diff --git a/clang-format-ignore.txt b/clang-format-ignore.txt new file mode 100644 index 0000000..e69de29 diff --git a/fuzz/from_chars.cc b/fuzz/from_chars.cc index f47466f..dc5ad90 100644 --- a/fuzz/from_chars.cc +++ b/fuzz/from_chars.cc @@ -4,19 +4,19 @@ #include fast_float::chars_format arbitrary_format(FuzzedDataProvider &fdp) { - using fast_float::chars_format; - switch (fdp.ConsumeIntegralInRange(0,3)) { - case 0: - return chars_format::scientific; - break; - case 1: - return chars_format::fixed; - break; - case 2: - return chars_format::fixed; - break; - } - return chars_format::general; + using fast_float::chars_format; + switch (fdp.ConsumeIntegralInRange(0, 3)) { + case 0: + return chars_format::scientific; + break; + case 1: + return chars_format::fixed; + break; + case 2: + return chars_format::fixed; + break; + } + return chars_format::general; } extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { @@ -24,15 +24,15 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { fast_float::chars_format format = arbitrary_format(fdp); double result_d = 0.0; std::string input_d = fdp.ConsumeRandomLengthString(128); - auto answer = - fast_float::from_chars(input_d.data(), input_d.data() + input_d.size(), result_d, format); + auto answer = fast_float::from_chars( + input_d.data(), input_d.data() + input_d.size(), result_d, format); std::string input_f = fdp.ConsumeRandomLengthString(128); float result_f = 0.0; - answer = - fast_float::from_chars(input_f.data(), input_f.data() + input_f.size(), result_f, format); + answer = fast_float::from_chars( + input_f.data(), input_f.data() + input_f.size(), result_f, format); int result_i = 0; std::string input_i = fdp.ConsumeRandomLengthString(128); - answer = - fast_float::from_chars(input_i.data(), input_i.data() + input_i.size(), result_i); + answer = fast_float::from_chars(input_i.data(), + input_i.data() + input_i.size(), result_i); return 0; } \ No newline at end of file diff --git a/include/fast_float/ascii_number.h b/include/fast_float/ascii_number.h index b9b7710..c027435 100644 --- a/include/fast_float/ascii_number.h +++ b/include/fast_float/ascii_number.h @@ -20,8 +20,7 @@ namespace fast_float { -template -fastfloat_really_inline constexpr bool has_simd_opt() { +template fastfloat_really_inline constexpr bool has_simd_opt() { #ifdef FASTFLOAT_HAS_SIMD return std::is_same::value; #else @@ -37,24 +36,20 @@ fastfloat_really_inline constexpr bool is_integer(UC c) noexcept { } fastfloat_really_inline constexpr uint64_t byteswap(uint64_t val) { - return (val & 0xFF00000000000000) >> 56 - | (val & 0x00FF000000000000) >> 40 - | (val & 0x0000FF0000000000) >> 24 - | (val & 0x000000FF00000000) >> 8 - | (val & 0x00000000FF000000) << 8 - | (val & 0x0000000000FF0000) << 24 - | (val & 0x000000000000FF00) << 40 - | (val & 0x00000000000000FF) << 56; + return (val & 0xFF00000000000000) >> 56 | (val & 0x00FF000000000000) >> 40 | + (val & 0x0000FF0000000000) >> 24 | (val & 0x000000FF00000000) >> 8 | + (val & 0x00000000FF000000) << 8 | (val & 0x0000000000FF0000) << 24 | + (val & 0x000000000000FF00) << 40 | (val & 0x00000000000000FF) << 56; } // Read 8 UC into a u64. Truncates UC if not char. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t read8_to_u64(const UC *chars) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +read8_to_u64(const UC *chars) { if (cpp20_and_in_constexpr() || !std::is_same::value) { uint64_t val = 0; - for(int i = 0; i < 8; ++i) { - val |= uint64_t(uint8_t(*chars)) << (i*8); + for (int i = 0; i < 8; ++i) { + val |= uint64_t(uint8_t(*chars)) << (i * 8); ++chars; } return val; @@ -70,44 +65,41 @@ uint64_t read8_to_u64(const UC *chars) { #ifdef FASTFLOAT_SSE2 -fastfloat_really_inline -uint64_t simd_read8_to_u64(const __m128i data) { -FASTFLOAT_SIMD_DISABLE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const __m128i data) { + FASTFLOAT_SIMD_DISABLE_WARNINGS const __m128i packed = _mm_packus_epi16(data, data); #ifdef FASTFLOAT_64BIT return uint64_t(_mm_cvtsi128_si64(packed)); #else uint64_t value; // Visual Studio + older versions of GCC don't support _mm_storeu_si64 - _mm_storel_epi64(reinterpret_cast<__m128i*>(&value), packed); + _mm_storel_epi64(reinterpret_cast<__m128i *>(&value), packed); return value; #endif -FASTFLOAT_SIMD_RESTORE_WARNINGS + FASTFLOAT_SIMD_RESTORE_WARNINGS } -fastfloat_really_inline -uint64_t simd_read8_to_u64(const char16_t* chars) { -FASTFLOAT_SIMD_DISABLE_WARNINGS - return simd_read8_to_u64(_mm_loadu_si128(reinterpret_cast(chars))); -FASTFLOAT_SIMD_RESTORE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) { + FASTFLOAT_SIMD_DISABLE_WARNINGS + return simd_read8_to_u64( + _mm_loadu_si128(reinterpret_cast(chars))); + FASTFLOAT_SIMD_RESTORE_WARNINGS } #elif defined(FASTFLOAT_NEON) - -fastfloat_really_inline -uint64_t simd_read8_to_u64(const uint16x8_t data) { -FASTFLOAT_SIMD_DISABLE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const uint16x8_t data) { + FASTFLOAT_SIMD_DISABLE_WARNINGS uint8x8_t utf8_packed = vmovn_u16(data); return vget_lane_u64(vreinterpret_u64_u8(utf8_packed), 0); -FASTFLOAT_SIMD_RESTORE_WARNINGS + FASTFLOAT_SIMD_RESTORE_WARNINGS } -fastfloat_really_inline -uint64_t simd_read8_to_u64(const char16_t* chars) { -FASTFLOAT_SIMD_DISABLE_WARNINGS - return simd_read8_to_u64(vld1q_u16(reinterpret_cast(chars))); -FASTFLOAT_SIMD_RESTORE_WARNINGS +fastfloat_really_inline uint64_t simd_read8_to_u64(const char16_t *chars) { + FASTFLOAT_SIMD_DISABLE_WARNINGS + return simd_read8_to_u64( + vld1q_u16(reinterpret_cast(chars))); + FASTFLOAT_SIMD_RESTORE_WARNINGS } #endif // FASTFLOAT_SSE2 @@ -119,13 +111,13 @@ template template ()) = 0> #endif // dummy for compile -uint64_t simd_read8_to_u64(UC const*) { +uint64_t simd_read8_to_u64(UC const *) { return 0; } // credit @aqrit -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint32_t parse_eight_digits_unrolled(uint64_t val) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t +parse_eight_digits_unrolled(uint64_t val) { const uint64_t mask = 0x000000FF000000FF; const uint64_t mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32) const uint64_t mul2 = 0x0000271000000001; // 1 + (10000ULL << 32) @@ -135,38 +127,38 @@ uint32_t parse_eight_digits_unrolled(uint64_t val) { return uint32_t(val); } - // Call this if chars are definitely 8 digits. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint32_t parse_eight_digits_unrolled(UC const * chars) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint32_t +parse_eight_digits_unrolled(UC const *chars) noexcept { if (cpp20_and_in_constexpr() || !has_simd_opt()) { return parse_eight_digits_unrolled(read8_to_u64(chars)); // truncation okay } return parse_eight_digits_unrolled(simd_read8_to_u64(chars)); } - // credit @aqrit -fastfloat_really_inline constexpr bool is_made_of_eight_digits_fast(uint64_t val) noexcept { +fastfloat_really_inline constexpr bool +is_made_of_eight_digits_fast(uint64_t val) noexcept { return !((((val + 0x4646464646464646) | (val - 0x3030303030303030)) & - 0x8080808080808080)); + 0x8080808080808080)); } - #ifdef FASTFLOAT_HAS_SIMD // Call this if chars might not be 8 digits. -// Using this style (instead of is_made_of_eight_digits_fast() then parse_eight_digits_unrolled()) -// ensures we don't load SIMD registers twice. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool simd_parse_if_eight_digits_unrolled(const char16_t* chars, uint64_t& i) noexcept { +// Using this style (instead of is_made_of_eight_digits_fast() then +// parse_eight_digits_unrolled()) ensures we don't load SIMD registers twice. +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +simd_parse_if_eight_digits_unrolled(const char16_t *chars, + uint64_t &i) noexcept { if (cpp20_and_in_constexpr()) { return false; - } + } #ifdef FASTFLOAT_SSE2 -FASTFLOAT_SIMD_DISABLE_WARNINGS - const __m128i data = _mm_loadu_si128(reinterpret_cast(chars)); + FASTFLOAT_SIMD_DISABLE_WARNINGS + const __m128i data = + _mm_loadu_si128(reinterpret_cast(chars)); // (x - '0') <= 9 // http://0x80.pl/articles/simd-parsing-int-sequences.html @@ -176,13 +168,13 @@ FASTFLOAT_SIMD_DISABLE_WARNINGS if (_mm_movemask_epi8(t1) == 0) { i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data)); return true; - } - else return false; -FASTFLOAT_SIMD_RESTORE_WARNINGS + } else + return false; + FASTFLOAT_SIMD_RESTORE_WARNINGS #elif defined(FASTFLOAT_NEON) -FASTFLOAT_SIMD_DISABLE_WARNINGS - const uint16x8_t data = vld1q_u16(reinterpret_cast(chars)); - + FASTFLOAT_SIMD_DISABLE_WARNINGS + const uint16x8_t data = vld1q_u16(reinterpret_cast(chars)); + // (x - '0') <= 9 // http://0x80.pl/articles/simd-parsing-int-sequences.html const uint16x8_t t0 = vsubq_u16(data, vmovq_n_u16('0')); @@ -191,11 +183,12 @@ FASTFLOAT_SIMD_DISABLE_WARNINGS if (vminvq_u16(mask) == 0xFFFF) { i = i * 100000000 + parse_eight_digits_unrolled(simd_read8_to_u64(data)); return true; - } - else return false; -FASTFLOAT_SIMD_RESTORE_WARNINGS + } else + return false; + FASTFLOAT_SIMD_RESTORE_WARNINGS #else - (void)chars; (void)i; + (void)chars; + (void)i; return false; #endif // FASTFLOAT_SSE2 } @@ -209,27 +202,32 @@ template template ()) = 0> #endif // dummy for compile -bool simd_parse_if_eight_digits_unrolled(UC const*, uint64_t&) { +bool simd_parse_if_eight_digits_unrolled(UC const *, uint64_t &) { return 0; } - template ::value) = 0> -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void loop_parse_if_eight_digits(const UC*& p, const UC* const pend, uint64_t& i) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +loop_parse_if_eight_digits(const UC *&p, const UC *const pend, uint64_t &i) { if (!has_simd_opt()) { return; } - while ((std::distance(p, pend) >= 8) && simd_parse_if_eight_digits_unrolled(p, i)) { // in rare cases, this will overflow, but that's ok + while ((std::distance(p, pend) >= 8) && + simd_parse_if_eight_digits_unrolled( + p, i)) { // in rare cases, this will overflow, but that's ok p += 8; } } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void loop_parse_if_eight_digits(const char*& p, const char* const pend, uint64_t& i) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +loop_parse_if_eight_digits(const char *&p, const char *const pend, + uint64_t &i) { // optimizes better than parse_if_eight_digits_unrolled() for UC = char. - while ((std::distance(p, pend) >= 8) && is_made_of_eight_digits_fast(read8_to_u64(p))) { - i = i * 100000000 + parse_eight_digits_unrolled(read8_to_u64(p)); // in rare cases, this will overflow, but that's ok + while ((std::distance(p, pend) >= 8) && + is_made_of_eight_digits_fast(read8_to_u64(p))) { + i = i * 100000000 + + parse_eight_digits_unrolled(read8_to_u64( + p)); // in rare cases, this will overflow, but that's ok p += 8; } } @@ -253,11 +251,10 @@ enum class parse_error { missing_exponential_part, }; -template -struct parsed_number_string_t { +template struct parsed_number_string_t { int64_t exponent{0}; uint64_t mantissa{0}; - UC const * lastmatch{nullptr}; + UC const *lastmatch{nullptr}; bool negative{false}; bool valid{false}; bool too_many_digits{false}; @@ -272,7 +269,7 @@ using parsed_number_string = parsed_number_string_t; template fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t -report_parse_error(UC const* p, parse_error error) { +report_parse_error(UC const *p, parse_error error) { parsed_number_string_t answer; answer.valid = false; answer.lastmatch = p; @@ -283,8 +280,9 @@ report_parse_error(UC const* p, parse_error error) { // Assuming that you use no more than 19 digits, this will // parse an ASCII string. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -parsed_number_string_t parse_number_string(UC const *p, UC const * pend, parse_options_t options) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 parsed_number_string_t +parse_number_string(UC const *p, UC const *pend, + parse_options_t options) noexcept { chars_format const fmt = options.format; UC const decimal_point = options.decimal_point; @@ -299,20 +297,24 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par #endif ++p; if (p == pend) { - return report_parse_error( - p, parse_error::missing_integer_or_dot_after_sign); + return report_parse_error( + p, parse_error::missing_integer_or_dot_after_sign); } if (fmt & FASTFLOAT_JSONFMT) { if (!is_integer(*p)) { // a sign must be followed by an integer - return report_parse_error(p, parse_error::missing_integer_after_sign); - } + return report_parse_error(p, + parse_error::missing_integer_after_sign); + } } else { - if (!is_integer(*p) && (*p != decimal_point)) { // a sign must be followed by an integer or the dot - return report_parse_error(p, parse_error::missing_integer_or_dot_after_sign); + if (!is_integer(*p) && + (*p != + decimal_point)) { // a sign must be followed by an integer or the dot + return report_parse_error( + p, parse_error::missing_integer_or_dot_after_sign); } } } - UC const * const start_digits = p; + UC const *const start_digits = p; uint64_t i = 0; // an unsigned int avoids signed overflows (which are bad) @@ -320,10 +322,11 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par // a multiplication by 10 is cheaper than an arbitrary integer // multiplication i = 10 * i + - uint64_t(*p - UC('0')); // might overflow, we will handle the overflow later + uint64_t(*p - + UC('0')); // might overflow, we will handle the overflow later ++p; } - UC const * const end_of_integer_part = p; + UC const *const end_of_integer_part = p; int64_t digit_count = int64_t(end_of_integer_part - start_digits); answer.integer = span(start_digits, size_t(digit_count)); if (fmt & FASTFLOAT_JSONFMT) { @@ -341,7 +344,7 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par const bool has_decimal_point = (p != pend) && (*p == decimal_point); if (has_decimal_point) { ++p; - UC const * before = p; + UC const *before = p; // can occur at most twice without overflowing, but let it occur more, since // for integers with many digits, digit parsing is the primary bottleneck. loop_parse_if_eight_digits(p, pend, i); @@ -358,32 +361,35 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par if (fmt & FASTFLOAT_JSONFMT) { // at least 1 digit in fractional part if (has_decimal_point && exponent == 0) { - return report_parse_error(p, parse_error::no_digits_in_fractional_part); + return report_parse_error(p, + parse_error::no_digits_in_fractional_part); } - } else if (digit_count == 0) { // we must have encountered at least one integer! + } else if (digit_count == + 0) { // we must have encountered at least one integer! return report_parse_error(p, parse_error::no_digits_in_mantissa); } - int64_t exp_number = 0; // explicit exponential part - if ( ((fmt & chars_format::scientific) && - (p != pend) && - ((UC('e') == *p) || (UC('E') == *p))) - || - ((fmt & FASTFLOAT_FORTRANFMT) && - (p != pend) && - ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) || (UC('D') == *p)))) { - UC const * location_of_e = p; - if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) || (UC('D') == *p)) { + int64_t exp_number = 0; // explicit exponential part + if (((fmt & chars_format::scientific) && (p != pend) && + ((UC('e') == *p) || (UC('E') == *p))) || + ((fmt & FASTFLOAT_FORTRANFMT) && (p != pend) && + ((UC('+') == *p) || (UC('-') == *p) || (UC('d') == *p) || + (UC('D') == *p)))) { + UC const *location_of_e = p; + if ((UC('e') == *p) || (UC('E') == *p) || (UC('d') == *p) || + (UC('D') == *p)) { ++p; } bool neg_exp = false; if ((p != pend) && (UC('-') == *p)) { neg_exp = true; ++p; - } else if ((p != pend) && (UC('+') == *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1) + } else if ((p != pend) && + (UC('+') == + *p)) { // '+' on exponent is allowed by C++17 20.19.3.(7.1) ++p; } if ((p == pend) || !is_integer(*p)) { - if(!(fmt & chars_format::fixed)) { + if (!(fmt & chars_format::fixed)) { // The exponential part is invalid for scientific notation, so it must // be a trailing token for fixed notation. However, fixed notation is // disabled, so report a scientific notation error. @@ -399,7 +405,9 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par } ++p; } - if(neg_exp) { exp_number = - exp_number; } + if (neg_exp) { + exp_number = -exp_number; + } exponent += exp_number; } } else { @@ -421,9 +429,11 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par // We have to handle the case where we have 0.0000somenumber. // We need to be mindful of the case where we only have zeroes... // E.g., 0.000000000...000. - UC const * start = start_digits; + UC const *start = start_digits; while ((start != pend) && (*start == UC('0') || *start == decimal_point)) { - if(*start == UC('0')) { digit_count --; } + if (*start == UC('0')) { + digit_count--; + } start++; } @@ -434,18 +444,17 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par // pre-tokenized spans from above. i = 0; p = answer.integer.ptr; - UC const* int_end = p + answer.integer.len(); - const uint64_t minimal_nineteen_digit_integer{ 1000000000000000000 }; + UC const *int_end = p + answer.integer.len(); + const uint64_t minimal_nineteen_digit_integer{1000000000000000000}; while ((i < minimal_nineteen_digit_integer) && (p != int_end)) { i = i * 10 + uint64_t(*p - UC('0')); ++p; } if (i >= minimal_nineteen_digit_integer) { // We have a big integers exponent = end_of_integer_part - p + exp_number; - } - else { // We have a value with a fractional component. + } else { // We have a value with a fractional component. p = answer.fraction.ptr; - UC const* frac_end = p + answer.fraction.len(); + UC const *frac_end = p + answer.fraction.len(); while ((i < minimal_nineteen_digit_integer) && (p != frac_end)) { i = i * 10 + uint64_t(*p - UC('0')); ++p; @@ -461,11 +470,11 @@ parsed_number_string_t parse_number_string(UC const *p, UC const * pend, par } template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, int base) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 from_chars_result_t +parse_int_string(UC const *p, UC const *pend, T &value, int base) { from_chars_result_t answer; - - UC const* const first = p; + + UC const *const first = p; bool negative = (*p == UC('-')); if (!std::is_signed::value && negative) { @@ -481,15 +490,15 @@ from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, ++p; } - UC const* const start_num = p; + UC const *const start_num = p; - while (p!= pend && *p == UC('0')) { - ++p; + while (p != pend && *p == UC('0')) { + ++p; } const bool has_leading_zeros = p > start_num; - UC const* const start_digits = p; + UC const *const start_digits = p; uint64_t i = 0; if (base == 10) { @@ -501,9 +510,9 @@ from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, break; } i = uint64_t(base) * i + digit; // might overflow, check this later - p++; + p++; } - + size_t digit_count = size_t(p - start_digits); if (digit_count == 0) { @@ -511,12 +520,11 @@ from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, value = 0; answer.ec = std::errc(); answer.ptr = p; - } - else { + } else { answer.ec = std::errc::invalid_argument; answer.ptr = first; } - return answer; + return answer; } answer.ptr = p; @@ -527,7 +535,8 @@ from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, answer.ec = std::errc::result_out_of_range; return answer; } - // this check can be eliminated for all other types, but they will all require a max_digits(base) equivalent + // this check can be eliminated for all other types, but they will all require + // a max_digits(base) equivalent if (digit_count == max_digits && i < min_safe_u64(base)) { answer.ec = std::errc::result_out_of_range; return answer; @@ -544,18 +553,22 @@ from_chars_result_t parse_int_string(UC const* p, UC const* pend, T& value, if (negative) { #ifdef FASTFLOAT_VISUAL_STUDIO #pragma warning(push) -#pragma warning(disable: 4146) +#pragma warning(disable : 4146) #endif // this weird workaround is required because: - // - converting unsigned to signed when its value is greater than signed max is UB pre-C++23. + // - converting unsigned to signed when its value is greater than signed max + // is UB pre-C++23. // - reinterpret_casting (~i + 1) would work, but it is not constexpr - // this is always optimized into a neg instruction (note: T is an integer type) - value = T(-std::numeric_limits::max() - T(i - uint64_t(std::numeric_limits::max()))); + // this is always optimized into a neg instruction (note: T is an integer + // type) + value = T(-std::numeric_limits::max() - + T(i - uint64_t(std::numeric_limits::max()))); #ifdef FASTFLOAT_VISUAL_STUDIO #pragma warning(pop) #endif + } else { + value = T(i); } - else { value = T(i); } answer.ec = std::errc(); return answer; diff --git a/include/fast_float/bigint.h b/include/fast_float/bigint.h index 5076b47..92c3d5b 100644 --- a/include/fast_float/bigint.h +++ b/include/fast_float/bigint.h @@ -37,8 +37,7 @@ constexpr size_t bigint_limbs = bigint_bits / limb_bits; // vector-like type that is allocated on the stack. the entire // buffer is pre-allocated, and only the length changes. -template -struct stackvec { +template struct stackvec { limb data[size]; // we never need more than 150 limbs uint16_t length{0}; @@ -54,16 +53,16 @@ struct stackvec { FASTFLOAT_ASSERT(try_extend(s)); } - FASTFLOAT_CONSTEXPR14 limb& operator[](size_t index) noexcept { + FASTFLOAT_CONSTEXPR14 limb &operator[](size_t index) noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return data[index]; } - FASTFLOAT_CONSTEXPR14 const limb& operator[](size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const limb &operator[](size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return data[index]; } // index from the end of the container - FASTFLOAT_CONSTEXPR14 const limb& rindex(size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const limb &rindex(size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); size_t rindex = length - index - 1; return data[rindex]; @@ -73,15 +72,9 @@ struct stackvec { FASTFLOAT_CONSTEXPR14 void set_len(size_t len) noexcept { length = uint16_t(len); } - constexpr size_t len() const noexcept { - return length; - } - constexpr bool is_empty() const noexcept { - return length == 0; - } - constexpr size_t capacity() const noexcept { - return size; - } + constexpr size_t len() const noexcept { return length; } + constexpr bool is_empty() const noexcept { return length == 0; } + constexpr size_t capacity() const noexcept { return size; } // append item to vector, without bounds checking FASTFLOAT_CONSTEXPR14 void push_unchecked(limb value) noexcept { data[length] = value; @@ -98,7 +91,7 @@ struct stackvec { } // add items to the vector, from a span, without bounds checking FASTFLOAT_CONSTEXPR20 void extend_unchecked(limb_span s) noexcept { - limb* ptr = data + length; + limb *ptr = data + length; std::copy_n(s.ptr, s.len(), ptr); set_len(len() + s.len()); } @@ -118,8 +111,8 @@ struct stackvec { void resize_unchecked(size_t new_len, limb value) noexcept { if (new_len > len()) { size_t count = new_len - len(); - limb* first = data + len(); - limb* last = first + count; + limb *first = data + len(); + limb *last = first + count; ::std::fill(first, last, value); set_len(new_len); } else { @@ -155,21 +148,21 @@ struct stackvec { } }; -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t empty_hi64(bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t +empty_hi64(bool &truncated) noexcept { truncated = false; return 0; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint64_hi64(uint64_t r0, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint64_hi64(uint64_t r0, bool &truncated) noexcept { truncated = false; int shl = leading_zeroes(r0); return r0 << shl; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint64_hi64(uint64_t r0, uint64_t r1, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint64_hi64(uint64_t r0, uint64_t r1, bool &truncated) noexcept { int shl = leading_zeroes(r0); if (shl == 0) { truncated = r1 != 0; @@ -181,20 +174,20 @@ uint64_t uint64_hi64(uint64_t r0, uint64_t r1, bool& truncated) noexcept { } } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, bool &truncated) noexcept { return uint64_hi64(r0, truncated); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, uint32_t r1, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, uint32_t r1, bool &truncated) noexcept { uint64_t x0 = r0; uint64_t x1 = r1; return uint64_hi64((x0 << 32) | x1, truncated); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -uint64_t uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool& truncated) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 uint64_t +uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool &truncated) noexcept { uint64_t x0 = r0; uint64_t x1 = r1; uint64_t x2 = r2; @@ -205,17 +198,17 @@ uint64_t uint32_hi64(uint32_t r0, uint32_t r1, uint32_t r2, bool& truncated) noe // we want an efficient operation. for msvc, where // we don't have built-in intrinsics, this is still // pretty fast. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -limb scalar_add(limb x, limb y, bool& overflow) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb +scalar_add(limb x, limb y, bool &overflow) noexcept { limb z; // gcc and clang #if defined(__has_builtin) - #if __has_builtin(__builtin_add_overflow) - if (!cpp20_and_in_constexpr()) { - overflow = __builtin_add_overflow(x, y, &z); - return z; - } - #endif +#if __has_builtin(__builtin_add_overflow) + if (!cpp20_and_in_constexpr()) { + overflow = __builtin_add_overflow(x, y, &z); + return z; + } +#endif #endif // generic, this still optimizes correctly on MSVC. @@ -225,24 +218,24 @@ limb scalar_add(limb x, limb y, bool& overflow) noexcept { } // multiply two small integers, getting both the high and low bits. -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -limb scalar_mul(limb x, limb y, limb& carry) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 limb +scalar_mul(limb x, limb y, limb &carry) noexcept { #ifdef FASTFLOAT_64BIT_LIMB - #if defined(__SIZEOF_INT128__) +#if defined(__SIZEOF_INT128__) // GCC and clang both define it as an extension. __uint128_t z = __uint128_t(x) * __uint128_t(y) + __uint128_t(carry); carry = limb(z >> limb_bits); return limb(z); - #else +#else // fallback, no native 128-bit integer multiplication with carry. // on msvc, this optimizes identically, somehow. value128 z = full_multiplication(x, y); bool overflow; z.low = scalar_add(z.low, carry, overflow); - z.high += uint64_t(overflow); // cannot overflow + z.high += uint64_t(overflow); // cannot overflow carry = z.high; return z.low; - #endif +#endif #else uint64_t z = uint64_t(x) * uint64_t(y) + uint64_t(carry); carry = limb(z >> limb_bits); @@ -253,8 +246,8 @@ limb scalar_mul(limb x, limb y, limb& carry) noexcept { // add scalar value to bigint starting from offset. // used in grade school multiplication template -inline FASTFLOAT_CONSTEXPR20 -bool small_add_from(stackvec& vec, limb y, size_t start) noexcept { +inline FASTFLOAT_CONSTEXPR20 bool small_add_from(stackvec &vec, limb y, + size_t start) noexcept { size_t index = start; limb carry = y; bool overflow; @@ -271,15 +264,15 @@ bool small_add_from(stackvec& vec, limb y, size_t start) noexcept { // add scalar value to bigint. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool small_add(stackvec& vec, limb y) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +small_add(stackvec &vec, limb y) noexcept { return small_add_from(vec, y, 0); } // multiply bigint by scalar value. template -inline FASTFLOAT_CONSTEXPR20 -bool small_mul(stackvec& vec, limb y) noexcept { +inline FASTFLOAT_CONSTEXPR20 bool small_mul(stackvec &vec, + limb y) noexcept { limb carry = 0; for (size_t index = 0; index < vec.len(); index++) { vec[index] = scalar_mul(vec[index], y, carry); @@ -293,12 +286,12 @@ bool small_mul(stackvec& vec, limb y) noexcept { // add bigint to bigint starting from index. // used in grade school multiplication template -FASTFLOAT_CONSTEXPR20 -bool large_add_from(stackvec& x, limb_span y, size_t start) noexcept { +FASTFLOAT_CONSTEXPR20 bool large_add_from(stackvec &x, limb_span y, + size_t start) noexcept { // the effective x buffer is from `xstart..x.len()`, so exit early // if we can't get that current range. if (x.len() < start || y.len() > x.len() - start) { - FASTFLOAT_TRY(x.try_resize(y.len() + start, 0)); + FASTFLOAT_TRY(x.try_resize(y.len() + start, 0)); } bool carry = false; @@ -324,15 +317,14 @@ bool large_add_from(stackvec& x, limb_span y, size_t start) noexcept { // add bigint to bigint. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool large_add_from(stackvec& x, limb_span y) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +large_add_from(stackvec &x, limb_span y) noexcept { return large_add_from(x, y, 0); } // grade-school multiplication algorithm template -FASTFLOAT_CONSTEXPR20 -bool long_mul(stackvec& x, limb_span y) noexcept { +FASTFLOAT_CONSTEXPR20 bool long_mul(stackvec &x, limb_span y) noexcept { limb_span xs = limb_span(x.data, x.len()); stackvec z(xs); limb_span zs = limb_span(z.data, z.len()); @@ -360,8 +352,7 @@ bool long_mul(stackvec& x, limb_span y) noexcept { // grade-school multiplication algorithm template -FASTFLOAT_CONSTEXPR20 -bool large_mul(stackvec& x, limb_span y) noexcept { +FASTFLOAT_CONSTEXPR20 bool large_mul(stackvec &x, limb_span y) noexcept { if (y.len() == 1) { FASTFLOAT_TRY(small_mul(x, y[0])); } else { @@ -370,36 +361,54 @@ bool large_mul(stackvec& x, limb_span y) noexcept { return true; } -template -struct pow5_tables { +template struct pow5_tables { static constexpr uint32_t large_step = 135; static constexpr uint64_t small_power_of_5[] = { - 1UL, 5UL, 25UL, 125UL, 625UL, 3125UL, 15625UL, 78125UL, 390625UL, - 1953125UL, 9765625UL, 48828125UL, 244140625UL, 1220703125UL, - 6103515625UL, 30517578125UL, 152587890625UL, 762939453125UL, - 3814697265625UL, 19073486328125UL, 95367431640625UL, 476837158203125UL, - 2384185791015625UL, 11920928955078125UL, 59604644775390625UL, - 298023223876953125UL, 1490116119384765625UL, 7450580596923828125UL, + 1UL, + 5UL, + 25UL, + 125UL, + 625UL, + 3125UL, + 15625UL, + 78125UL, + 390625UL, + 1953125UL, + 9765625UL, + 48828125UL, + 244140625UL, + 1220703125UL, + 6103515625UL, + 30517578125UL, + 152587890625UL, + 762939453125UL, + 3814697265625UL, + 19073486328125UL, + 95367431640625UL, + 476837158203125UL, + 2384185791015625UL, + 11920928955078125UL, + 59604644775390625UL, + 298023223876953125UL, + 1490116119384765625UL, + 7450580596923828125UL, }; #ifdef FASTFLOAT_64BIT_LIMB constexpr static limb large_power_of_5[] = { - 1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL, - 10482974169319127550UL, 198276706040285095UL}; + 1414648277510068013UL, 9180637584431281687UL, 4539964771860779200UL, + 10482974169319127550UL, 198276706040285095UL}; #else constexpr static limb large_power_of_5[] = { - 4279965485U, 329373468U, 4020270615U, 2137533757U, 4287402176U, - 1057042919U, 1071430142U, 2440757623U, 381945767U, 46164893U}; + 4279965485U, 329373468U, 4020270615U, 2137533757U, 4287402176U, + 1057042919U, 1071430142U, 2440757623U, 381945767U, 46164893U}; #endif }; -template -constexpr uint32_t pow5_tables::large_step; +template constexpr uint32_t pow5_tables::large_step; -template -constexpr uint64_t pow5_tables::small_power_of_5[]; +template constexpr uint64_t pow5_tables::small_power_of_5[]; -template -constexpr limb pow5_tables::large_power_of_5[]; +template constexpr limb pow5_tables::large_power_of_5[]; // big integer type. implements a small subset of big integer // arithmetic, using simple algorithms since asymptotically @@ -409,13 +418,13 @@ struct bigint : pow5_tables<> { // storage of the limbs, in little-endian order. stackvec vec; - FASTFLOAT_CONSTEXPR20 bigint(): vec() {} + FASTFLOAT_CONSTEXPR20 bigint() : vec() {} bigint(const bigint &) = delete; bigint &operator=(const bigint &) = delete; bigint(bigint &&) = delete; bigint &operator=(bigint &&other) = delete; - FASTFLOAT_CONSTEXPR20 bigint(uint64_t value): vec() { + FASTFLOAT_CONSTEXPR20 bigint(uint64_t value) : vec() { #ifdef FASTFLOAT_64BIT_LIMB vec.push_unchecked(value); #else @@ -427,7 +436,7 @@ struct bigint : pow5_tables<> { // get the high 64 bits from the vector, and if bits were truncated. // this is to get the significant digits for the float. - FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool& truncated) const noexcept { + FASTFLOAT_CONSTEXPR20 uint64_t hi64(bool &truncated) const noexcept { #ifdef FASTFLOAT_64BIT_LIMB if (vec.len() == 0) { return empty_hi64(truncated); @@ -446,7 +455,8 @@ struct bigint : pow5_tables<> { } else if (vec.len() == 2) { return uint32_hi64(vec.rindex(0), vec.rindex(1), truncated); } else { - uint64_t result = uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated); + uint64_t result = + uint32_hi64(vec.rindex(0), vec.rindex(1), vec.rindex(2), truncated); truncated |= vec.nonzero(3); return result; } @@ -459,7 +469,7 @@ struct bigint : pow5_tables<> { // positive, this is larger, otherwise they are equal. // the limbs are stored in little-endian order, so we // must compare the limbs in ever order. - FASTFLOAT_CONSTEXPR20 int compare(const bigint& other) const noexcept { + FASTFLOAT_CONSTEXPR20 int compare(const bigint &other) const noexcept { if (vec.len() > other.vec.len()) { return 1; } else if (vec.len() < other.vec.len()) { @@ -512,12 +522,12 @@ struct bigint : pow5_tables<> { return false; } else if (!vec.is_empty()) { // move limbs - limb* dst = vec.data + n; - const limb* src = vec.data; + limb *dst = vec.data + n; + const limb *src = vec.data; std::copy_backward(src, src + vec.len(), dst + vec.len()); // fill in empty limbs - limb* first = vec.data; - limb* last = first + n; + limb *first = vec.data; + limb *last = first + n; ::std::fill(first, last, 0); vec.set_len(n + vec.len()); return true; @@ -560,18 +570,12 @@ struct bigint : pow5_tables<> { return int(limb_bits * vec.len()) - lz; } - FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { - return small_mul(vec, y); - } + FASTFLOAT_CONSTEXPR20 bool mul(limb y) noexcept { return small_mul(vec, y); } - FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { - return small_add(vec, y); - } + FASTFLOAT_CONSTEXPR20 bool add(limb y) noexcept { return small_add(vec, y); } // multiply as if by 2 raised to a power. - FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { - return shl(exp); - } + FASTFLOAT_CONSTEXPR20 bool pow2(uint32_t exp) noexcept { return shl(exp); } // multiply as if by 5 raised to a power. FASTFLOAT_CONSTEXPR20 bool pow5(uint32_t exp) noexcept { @@ -597,9 +601,8 @@ struct bigint : pow5_tables<> { // Work around clang bug https://godbolt.org/z/zedh7rrhc // This is similar to https://github.com/llvm/llvm-project/issues/47746, // except the workaround described there don't work here - FASTFLOAT_TRY( - small_mul(vec, limb(((void)small_power_of_5[0], small_power_of_5[exp]))) - ); + FASTFLOAT_TRY(small_mul( + vec, limb(((void)small_power_of_5[0], small_power_of_5[exp])))); } return true; diff --git a/include/fast_float/constexpr_feature_detect.h b/include/fast_float/constexpr_feature_detect.h index ba8b65c..18daf40 100644 --- a/include/fast_float/constexpr_feature_detect.h +++ b/include/fast_float/constexpr_feature_detect.h @@ -20,16 +20,16 @@ #define FASTFLOAT_HAS_BIT_CAST 0 #endif -#if defined(__cpp_lib_is_constant_evaluated) && __cpp_lib_is_constant_evaluated >= 201811L +#if defined(__cpp_lib_is_constant_evaluated) && \ + __cpp_lib_is_constant_evaluated >= 201811L #define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 1 #else #define FASTFLOAT_HAS_IS_CONSTANT_EVALUATED 0 #endif // Testing for relevant C++20 constexpr library features -#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED \ - && FASTFLOAT_HAS_BIT_CAST \ - && __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/ +#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED && FASTFLOAT_HAS_BIT_CAST && \ + __cpp_lib_constexpr_algorithms >= 201806L /*For std::copy and std::fill*/ #define FASTFLOAT_CONSTEXPR20 constexpr #define FASTFLOAT_IS_CONSTEXPR 1 #else diff --git a/include/fast_float/decimal_to_binary.h b/include/fast_float/decimal_to_binary.h index a4e245b..70ecf73 100644 --- a/include/fast_float/decimal_to_binary.h +++ b/include/fast_float/decimal_to_binary.h @@ -12,27 +12,34 @@ namespace fast_float { -// This will compute or rather approximate w * 5**q and return a pair of 64-bit words approximating -// the result, with the "high" part corresponding to the most significant bits and the -// low part corresponding to the least significant bits. +// This will compute or rather approximate w * 5**q and return a pair of 64-bit +// words approximating the result, with the "high" part corresponding to the +// most significant bits and the low part corresponding to the least significant +// bits. // template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -value128 compute_product_approximation(int64_t q, uint64_t w) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128 +compute_product_approximation(int64_t q, uint64_t w) { const int index = 2 * int(q - powers::smallest_power_of_five); - // For small values of q, e.g., q in [0,27], the answer is always exact because - // The line value128 firstproduct = full_multiplication(w, power_of_five_128[index]); - // gives the exact answer. - value128 firstproduct = full_multiplication(w, powers::power_of_five_128[index]); - static_assert((bit_precision >= 0) && (bit_precision <= 64), " precision should be in (0,64]"); - constexpr uint64_t precision_mask = (bit_precision < 64) ? - (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision) - : uint64_t(0xFFFFFFFFFFFFFFFF); - if((firstproduct.high & precision_mask) == precision_mask) { // could further guard with (lower + w < lower) - // regarding the second product, we only need secondproduct.high, but our expectation is that the compiler will optimize this extra work away if needed. - value128 secondproduct = full_multiplication(w, powers::power_of_five_128[index + 1]); + // For small values of q, e.g., q in [0,27], the answer is always exact + // because The line value128 firstproduct = full_multiplication(w, + // power_of_five_128[index]); gives the exact answer. + value128 firstproduct = + full_multiplication(w, powers::power_of_five_128[index]); + static_assert((bit_precision >= 0) && (bit_precision <= 64), + " precision should be in (0,64]"); + constexpr uint64_t precision_mask = + (bit_precision < 64) ? (uint64_t(0xFFFFFFFFFFFFFFFF) >> bit_precision) + : uint64_t(0xFFFFFFFFFFFFFFFF); + if ((firstproduct.high & precision_mask) == + precision_mask) { // could further guard with (lower + w < lower) + // regarding the second product, we only need secondproduct.high, but our + // expectation is that the compiler will optimize this extra work away if + // needed. + value128 secondproduct = + full_multiplication(w, powers::power_of_five_128[index + 1]); firstproduct.low += secondproduct.high; - if(secondproduct.high > firstproduct.low) { + if (secondproduct.high > firstproduct.low) { firstproduct.high++; } } @@ -55,43 +62,45 @@ namespace detail { * where * p = log(5**-q)/log(2) = -q * log(5)/log(2) */ - constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept { - return (((152170 + 65536) * q) >> 16) + 63; - } +constexpr fastfloat_really_inline int32_t power(int32_t q) noexcept { + return (((152170 + 65536) * q) >> 16) + 63; +} } // namespace detail // create an adjusted mantissa, biased by the invalid power2 // for significant digits already multiplied by 10 ** q. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -adjusted_mantissa compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 adjusted_mantissa +compute_error_scaled(int64_t q, uint64_t w, int lz) noexcept { int hilz = int(w >> 63) ^ 1; adjusted_mantissa answer; answer.mantissa = w << hilz; int bias = binary::mantissa_explicit_bits() - binary::minimum_exponent(); - answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 + invalid_am_bias); + answer.power2 = int32_t(detail::power(int32_t(q)) + bias - hilz - lz - 62 + + invalid_am_bias); return answer; } // w * 10 ** q, without rounding the representation up. // the power2 in the exponent will be adjusted by invalid_am_bias. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa compute_error(int64_t q, uint64_t w) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +compute_error(int64_t q, uint64_t w) noexcept { int lz = leading_zeroes(w); w <<= lz; - value128 product = compute_product_approximation(q, w); + value128 product = + compute_product_approximation(q, w); return compute_error_scaled(q, product.high, lz); } // w * 10 ** q -// The returned value should be a valid ieee64 number that simply need to be packed. -// However, in some very rare cases, the computation will fail. In such cases, we -// return an adjusted_mantissa with a negative power of 2: the caller should recompute -// in such cases. +// The returned value should be a valid ieee64 number that simply need to be +// packed. However, in some very rare cases, the computation will fail. In such +// cases, we return an adjusted_mantissa with a negative power of 2: the caller +// should recompute in such cases. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +compute_float(int64_t q, uint64_t w) noexcept { adjusted_mantissa answer; if ((w == 0) || (q < binary::smallest_power_of_ten())) { answer.power2 = 0; @@ -105,7 +114,8 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { answer.mantissa = 0; return answer; } - // At this point in time q is in [powers::smallest_power_of_five, powers::largest_power_of_five]. + // At this point in time q is in [powers::smallest_power_of_five, + // powers::largest_power_of_five]. // We want the most significant bit of i to be 1. Shift if needed. int lz = leading_zeroes(w); @@ -114,27 +124,32 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { // The required precision is binary::mantissa_explicit_bits() + 3 because // 1. We need the implicit bit // 2. We need an extra bit for rounding purposes - // 3. We might lose a bit due to the "upperbit" routine (result too small, requiring a shift) + // 3. We might lose a bit due to the "upperbit" routine (result too small, + // requiring a shift) - value128 product = compute_product_approximation(q, w); + value128 product = + compute_product_approximation(q, w); // The computed 'product' is always sufficient. // Mathematical proof: - // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to appear) - // See script/mushtak_lemire.py + // Noble Mushtak and Daniel Lemire, Fast Number Parsing Without Fallback (to + // appear) See script/mushtak_lemire.py - // The "compute_product_approximation" function can be slightly slower than a branchless approach: - // value128 product = compute_product(q, w); - // but in practice, we can win big with the compute_product_approximation if its additional branch - // is easily predicted. Which is best is data specific. + // The "compute_product_approximation" function can be slightly slower than a + // branchless approach: value128 product = compute_product(q, w); but in + // practice, we can win big with the compute_product_approximation if its + // additional branch is easily predicted. Which is best is data specific. int upperbit = int(product.high >> 63); int shift = upperbit + 64 - binary::mantissa_explicit_bits() - 3; answer.mantissa = product.high >> shift; - answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz - binary::minimum_exponent()); + answer.power2 = int32_t(detail::power(int32_t(q)) + upperbit - lz - + binary::minimum_exponent()); if (answer.power2 <= 0) { // we have a subnormal? // Here have that answer.power2 <= 0 so -answer.power2 >= 0 - if(-answer.power2 + 1 >= 64) { // if we have more than 64 bits below the minimum exponent, you have a zero for sure. + if (-answer.power2 + 1 >= + 64) { // if we have more than 64 bits below the minimum exponent, you + // have a zero for sure. answer.power2 = 0; answer.mantissa = 0; // result should be zero @@ -153,20 +168,26 @@ adjusted_mantissa compute_float(int64_t q, uint64_t w) noexcept { // up 0x3fffffffffffff x 2^-1023-53 and once we do, we are no longer // subnormal, but we can only know this after rounding. // So we only declare a subnormal if we are smaller than the threshold. - answer.power2 = (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits())) ? 0 : 1; + answer.power2 = + (answer.mantissa < (uint64_t(1) << binary::mantissa_explicit_bits())) + ? 0 + : 1; return answer; } // usually, we round *up*, but if we fall right in between and and we have an // even basis, we need to round down // We are only concerned with the cases where 5**q fits in single 64-bit word. - if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) && (q <= binary::max_exponent_round_to_even()) && - ((answer.mantissa & 3) == 1) ) { // we may fall between two floats! + if ((product.low <= 1) && (q >= binary::min_exponent_round_to_even()) && + (q <= binary::max_exponent_round_to_even()) && + ((answer.mantissa & 3) == 1)) { // we may fall between two floats! // To be in-between two floats we need that in doing - // answer.mantissa = product.high >> (upperbit + 64 - binary::mantissa_explicit_bits() - 3); - // ... we dropped out only zeroes. But if this happened, then we can go back!!! - if((answer.mantissa << shift) == product.high) { - answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up + // answer.mantissa = product.high >> (upperbit + 64 - + // binary::mantissa_explicit_bits() - 3); + // ... we dropped out only zeroes. But if this happened, then we can go + // back!!! + if ((answer.mantissa << shift) == product.high) { + answer.mantissa &= ~uint64_t(1); // flip it so that we do not round up } } diff --git a/include/fast_float/digit_comparison.h b/include/fast_float/digit_comparison.h index 512a27f..303fff9 100644 --- a/include/fast_float/digit_comparison.h +++ b/include/fast_float/digit_comparison.h @@ -13,19 +13,34 @@ namespace fast_float { // 1e0 to 1e19 -constexpr static uint64_t powers_of_ten_uint64[] = { - 1UL, 10UL, 100UL, 1000UL, 10000UL, 100000UL, 1000000UL, 10000000UL, 100000000UL, - 1000000000UL, 10000000000UL, 100000000000UL, 1000000000000UL, 10000000000000UL, - 100000000000000UL, 1000000000000000UL, 10000000000000000UL, 100000000000000000UL, - 1000000000000000000UL, 10000000000000000000UL}; +constexpr static uint64_t powers_of_ten_uint64[] = {1UL, + 10UL, + 100UL, + 1000UL, + 10000UL, + 100000UL, + 1000000UL, + 10000000UL, + 100000000UL, + 1000000000UL, + 10000000000UL, + 100000000000UL, + 1000000000000UL, + 10000000000000UL, + 100000000000000UL, + 1000000000000000UL, + 10000000000000000UL, + 100000000000000000UL, + 1000000000000000000UL, + 10000000000000000000UL}; // calculate the exponent, in scientific notation, of the number. // this algorithm is not even close to optimized, but it has no practical // effect on performance: in order to have a faster algorithm, we'd need // to slow down performance for faster algorithms, and this is still fast. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -int32_t scientific_exponent(parsed_number_string_t & num) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int32_t +scientific_exponent(parsed_number_string_t &num) noexcept { uint64_t mantissa = num.mantissa; int32_t exponent = int32_t(num.exponent); while (mantissa >= 10000) { @@ -45,15 +60,16 @@ int32_t scientific_exponent(parsed_number_string_t & num) noexcept { // this converts a native floating-point number to an extended-precision float. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa to_extended(T value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +to_extended(T value) noexcept { using equiv_uint = typename binary_format::equiv_uint; constexpr equiv_uint exponent_mask = binary_format::exponent_mask(); constexpr equiv_uint mantissa_mask = binary_format::mantissa_mask(); constexpr equiv_uint hidden_bit_mask = binary_format::hidden_bit_mask(); adjusted_mantissa am; - int32_t bias = binary_format::mantissa_explicit_bits() - binary_format::minimum_exponent(); + int32_t bias = binary_format::mantissa_explicit_bits() - + binary_format::minimum_exponent(); equiv_uint bits; #if FASTFLOAT_HAS_BIT_CAST bits = std::bit_cast(value); @@ -66,7 +82,8 @@ adjusted_mantissa to_extended(T value) noexcept { am.mantissa = bits & mantissa_mask; } else { // normal - am.power2 = int32_t((bits & exponent_mask) >> binary_format::mantissa_explicit_bits()); + am.power2 = int32_t((bits & exponent_mask) >> + binary_format::mantissa_explicit_bits()); am.power2 -= bias; am.mantissa = (bits & mantissa_mask) | hidden_bit_mask; } @@ -78,8 +95,8 @@ adjusted_mantissa to_extended(T value) noexcept { // we are given a native float that represents b, so we need to adjust it // halfway between b and b+u. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa to_extended_halfway(T value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +to_extended_halfway(T value) noexcept { adjusted_mantissa am = to_extended(value); am.mantissa <<= 1; am.mantissa += 1; @@ -89,15 +106,18 @@ adjusted_mantissa to_extended_halfway(T value) noexcept { // round an extended-precision float to the nearest machine float. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round(adjusted_mantissa& am, callback cb) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void round(adjusted_mantissa &am, + callback cb) noexcept { int32_t mantissa_shift = 64 - binary_format::mantissa_explicit_bits() - 1; if (-am.power2 >= mantissa_shift) { // have a denormal float int32_t shift = -am.power2 + 1; cb(am, std::min(shift, 64)); // check for round-up: if rounding-nearest carried us to the hidden bit. - am.power2 = (am.mantissa < (uint64_t(1) << binary_format::mantissa_explicit_bits())) ? 0 : 1; + am.power2 = (am.mantissa < + (uint64_t(1) << binary_format::mantissa_explicit_bits())) + ? 0 + : 1; return; } @@ -105,7 +125,8 @@ void round(adjusted_mantissa& am, callback cb) noexcept { cb(am, mantissa_shift); // check for carry - if (am.mantissa >= (uint64_t(2) << binary_format::mantissa_explicit_bits())) { + if (am.mantissa >= + (uint64_t(2) << binary_format::mantissa_explicit_bits())) { am.mantissa = (uint64_t(1) << binary_format::mantissa_explicit_bits()); am.power2++; } @@ -119,16 +140,11 @@ void round(adjusted_mantissa& am, callback cb) noexcept { } template -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round_nearest_tie_even(adjusted_mantissa& am, int32_t shift, callback cb) noexcept { - const uint64_t mask - = (shift == 64) - ? UINT64_MAX - : (uint64_t(1) << shift) - 1; - const uint64_t halfway - = (shift == 0) - ? 0 - : uint64_t(1) << (shift - 1); +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +round_nearest_tie_even(adjusted_mantissa &am, int32_t shift, + callback cb) noexcept { + const uint64_t mask = (shift == 64) ? UINT64_MAX : (uint64_t(1) << shift) - 1; + const uint64_t halfway = (shift == 0) ? 0 : uint64_t(1) << (shift - 1); uint64_t truncated_bits = am.mantissa & mask; bool is_above = truncated_bits > halfway; bool is_halfway = truncated_bits == halfway; @@ -145,8 +161,8 @@ void round_nearest_tie_even(adjusted_mantissa& am, int32_t shift, callback cb) n am.mantissa += uint64_t(cb(is_odd, is_halfway, is_above)); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void round_down(adjusted_mantissa& am, int32_t shift) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +round_down(adjusted_mantissa &am, int32_t shift) noexcept { if (shift == 64) { am.mantissa = 0; } else { @@ -155,10 +171,11 @@ void round_down(adjusted_mantissa& am, int32_t shift) noexcept { am.power2 += shift; } template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void skip_zeros(UC const * & first, UC const * last) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +skip_zeros(UC const *&first, UC const *last) noexcept { uint64_t val; - while (!cpp20_and_in_constexpr() && std::distance(first, last) >= int_cmp_len()) { + while (!cpp20_and_in_constexpr() && + std::distance(first, last) >= int_cmp_len()) { ::memcpy(&val, first, sizeof(uint64_t)); if (val != int_cmp_zeros()) { break; @@ -176,11 +193,12 @@ void skip_zeros(UC const * & first, UC const * last) noexcept { // determine if any non-zero digits were truncated. // all characters must be valid digits. template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool is_truncated(UC const * first, UC const * last) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +is_truncated(UC const *first, UC const *last) noexcept { // do 8-bit optimizations, can just compare to 8 literal 0s. uint64_t val; - while (!cpp20_and_in_constexpr() && std::distance(first, last) >= int_cmp_len()) { + while (!cpp20_and_in_constexpr() && + std::distance(first, last) >= int_cmp_len()) { ::memcpy(&val, first, sizeof(uint64_t)); if (val != int_cmp_zeros()) { return true; @@ -196,15 +214,15 @@ bool is_truncated(UC const * first, UC const * last) noexcept { return false; } template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -bool is_truncated(span s) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 bool +is_truncated(span s) noexcept { return is_truncated(s.ptr, s.ptr + s.len()); } - template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void parse_eight_digits(const UC*& p, limb& value, size_t& counter, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +parse_eight_digits(const UC *&p, limb &value, size_t &counter, + size_t &count) noexcept { value = value * 100000000 + parse_eight_digits_unrolled(p); p += 8; counter += 8; @@ -212,22 +230,23 @@ void parse_eight_digits(const UC*& p, limb& value, size_t& counter, size_t& coun } template -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -void parse_one_digit(UC const *& p, limb& value, size_t& counter, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 void +parse_one_digit(UC const *&p, limb &value, size_t &counter, + size_t &count) noexcept { value = value * 10 + limb(*p - UC('0')); p++; counter++; count++; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void add_native(bigint& big, limb power, limb value) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +add_native(bigint &big, limb power, limb value) noexcept { big.mul(power); big.add(value); } -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void round_up_bigint(bigint& big, size_t& count) noexcept { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +round_up_bigint(bigint &big, size_t &count) noexcept { // need to round-up the digits, but need to avoid rounding // ....9999 to ...10000, which could cause a false halfway point. add_native(big, 10, 1); @@ -236,8 +255,9 @@ void round_up_bigint(bigint& big, size_t& count) noexcept { // parse the significant digits into a big integer template -inline FASTFLOAT_CONSTEXPR20 -void parse_mantissa(bigint& result, parsed_number_string_t& num, size_t max_digits, size_t& digits) noexcept { +inline FASTFLOAT_CONSTEXPR20 void +parse_mantissa(bigint &result, parsed_number_string_t &num, + size_t max_digits, size_t &digits) noexcept { // try to minimize the number of big integer and scalar multiplication. // therefore, try to parse 8 digits at a time, and multiply by the largest // scalar value (9 or 19 digits) for each step. @@ -251,12 +271,13 @@ void parse_mantissa(bigint& result, parsed_number_string_t& num, size_t max_ #endif // process all integer digits. - UC const * p = num.integer.ptr; - UC const * pend = p + num.integer.len(); + UC const *p = num.integer.ptr; + UC const *pend = p + num.integer.len(); skip_zeros(p, pend); // process all digits, in increments of step per loop while (p != pend) { - while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && (max_digits - digits >= 8)) { + while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && + (max_digits - digits >= 8)) { parse_eight_digits(p, value, counter, digits); } while (counter < step && p != pend && digits < max_digits) { @@ -289,7 +310,8 @@ void parse_mantissa(bigint& result, parsed_number_string_t& num, size_t max_ } // process all digits, in increments of step per loop while (p != pend) { - while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && (max_digits - digits >= 8)) { + while ((std::distance(p, pend) >= 8) && (step - counter >= 8) && + (max_digits - digits >= 8)) { parse_eight_digits(p, value, counter, digits); } while (counter < step && p != pend && digits < max_digits) { @@ -317,19 +339,23 @@ void parse_mantissa(bigint& result, parsed_number_string_t& num, size_t max_ } template -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa positive_digit_comp(bigint& bigmant, int32_t exponent) noexcept { +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +positive_digit_comp(bigint &bigmant, int32_t exponent) noexcept { FASTFLOAT_ASSERT(bigmant.pow10(uint32_t(exponent))); adjusted_mantissa answer; bool truncated; answer.mantissa = bigmant.hi64(truncated); - int bias = binary_format::mantissa_explicit_bits() - binary_format::minimum_exponent(); + int bias = binary_format::mantissa_explicit_bits() - + binary_format::minimum_exponent(); answer.power2 = bigmant.bit_length() - 64 + bias; - round(answer, [truncated](adjusted_mantissa& a, int32_t shift) { - round_nearest_tie_even(a, shift, [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool { - return is_above || (is_halfway && truncated) || (is_odd && is_halfway); - }); + round(answer, [truncated](adjusted_mantissa &a, int32_t shift) { + round_nearest_tie_even( + a, shift, + [truncated](bool is_odd, bool is_halfway, bool is_above) -> bool { + return is_above || (is_halfway && truncated) || + (is_odd && is_halfway); + }); }); return answer; @@ -341,15 +367,17 @@ adjusted_mantissa positive_digit_comp(bigint& bigmant, int32_t exponent) noexcep // we then need to scale by `2^(f- e)`, and then the two significant digits // are of the same magnitude. template -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int32_t exponent) noexcept { - bigint& real_digits = bigmant; +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa negative_digit_comp( + bigint &bigmant, adjusted_mantissa am, int32_t exponent) noexcept { + bigint &real_digits = bigmant; int32_t real_exp = exponent; // get the value of `b`, rounded down, and get a bigint representation of b+h adjusted_mantissa am_b = am; - // gcc7 buf: use a lambda to remove the noexcept qualifier bug with -Wnoexcept-type. - round(am_b, [](adjusted_mantissa&a, int32_t shift) { round_down(a, shift); }); + // gcc7 buf: use a lambda to remove the noexcept qualifier bug with + // -Wnoexcept-type. + round(am_b, + [](adjusted_mantissa &a, int32_t shift) { round_down(a, shift); }); T b; to_float(false, am_b, b); adjusted_mantissa theor = to_extended_halfway(b); @@ -371,18 +399,19 @@ adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int // compare digits, and use it to director rounding int ord = real_digits.compare(theor_digits); adjusted_mantissa answer = am; - round(answer, [ord](adjusted_mantissa& a, int32_t shift) { - round_nearest_tie_even(a, shift, [ord](bool is_odd, bool _, bool __) -> bool { - (void)_; // not needed, since we've done our comparison - (void)__; // not needed, since we've done our comparison - if (ord > 0) { - return true; - } else if (ord < 0) { - return false; - } else { - return is_odd; - } - }); + round(answer, [ord](adjusted_mantissa &a, int32_t shift) { + round_nearest_tie_even( + a, shift, [ord](bool is_odd, bool _, bool __) -> bool { + (void)_; // not needed, since we've done our comparison + (void)__; // not needed, since we've done our comparison + if (ord > 0) { + return true; + } else if (ord < 0) { + return false; + } else { + return is_odd; + } + }); }); return answer; @@ -402,8 +431,8 @@ adjusted_mantissa negative_digit_comp(bigint& bigmant, adjusted_mantissa am, int // the actual digits. we then compare the big integer representations // of both, and use that to direct rounding. template -inline FASTFLOAT_CONSTEXPR20 -adjusted_mantissa digit_comp(parsed_number_string_t& num, adjusted_mantissa am) noexcept { +inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa +digit_comp(parsed_number_string_t &num, adjusted_mantissa am) noexcept { // remove the invalid exponent bias am.power2 -= invalid_am_bias; diff --git a/include/fast_float/fast_float.h b/include/fast_float/fast_float.h index 9b1b9b4..42a3cdf 100644 --- a/include/fast_float/fast_float.h +++ b/include/fast_float/fast_float.h @@ -6,42 +6,50 @@ namespace fast_float { /** - * This function parses the character sequence [first,last) for a number. It parses floating-point numbers expecting - * a locale-indepent format equivalent to what is used by std::strtod in the default ("C") locale. - * The resulting floating-point value is the closest floating-point values (using either float or double), - * using the "round to even" convention for values that would otherwise fall right in-between two values. - * That is, we provide exact parsing according to the IEEE standard. + * This function parses the character sequence [first,last) for a number. It + * parses floating-point numbers expecting a locale-indepent format equivalent + * to what is used by std::strtod in the default ("C") locale. The resulting + * floating-point value is the closest floating-point values (using either float + * or double), using the "round to even" convention for values that would + * otherwise fall right in-between two values. That is, we provide exact parsing + * according to the IEEE standard. * - * Given a successful parse, the pointer (`ptr`) in the returned value is set to point right after the - * parsed number, and the `value` referenced is set to the parsed value. In case of error, the returned - * `ec` contains a representative error, otherwise the default (`std::errc()`) value is stored. + * Given a successful parse, the pointer (`ptr`) in the returned value is set to + * point right after the parsed number, and the `value` referenced is set to the + * parsed value. In case of error, the returned `ec` contains a representative + * error, otherwise the default (`std::errc()`) value is stored. * - * The implementation does not throw and does not allocate memory (e.g., with `new` or `malloc`). + * The implementation does not throw and does not allocate memory (e.g., with + * `new` or `malloc`). * - * Like the C++17 standard, the `fast_float::from_chars` functions take an optional last argument of - * the type `fast_float::chars_format`. It is a bitset value: we check whether - * `fmt & fast_float::chars_format::fixed` and `fmt & fast_float::chars_format::scientific` are set - * to determine whether we allow the fixed point and scientific notation respectively. - * The default is `fast_float::chars_format::general` which allows both `fixed` and `scientific`. + * Like the C++17 standard, the `fast_float::from_chars` functions take an + * optional last argument of the type `fast_float::chars_format`. It is a bitset + * value: we check whether `fmt & fast_float::chars_format::fixed` and `fmt & + * fast_float::chars_format::scientific` are set to determine whether we allow + * the fixed point and scientific notation respectively. The default is + * `fast_float::chars_format::general` which allows both `fixed` and + * `scientific`. */ -template())> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars(UC const * first, UC const * last, - T &value, chars_format fmt = chars_format::general) noexcept; +template ())> +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars(UC const *first, UC const *last, T &value, + chars_format fmt = chars_format::general) noexcept; /** * Like from_chars, but accepts an `options` argument to govern number parsing. */ -template -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars_advanced(UC const * first, UC const * last, - T &value, parse_options_t options) noexcept; +template +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars_advanced(UC const *first, UC const *last, T &value, + parse_options_t options) noexcept; /** -* from_chars for integer types. -*/ -template ())> -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars(UC const * first, UC const * last, T& value, int base = 10) noexcept; + * from_chars for integer types. + */ +template ())> +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars(UC const *first, UC const *last, T &value, int base = 10) noexcept; } // namespace fast_float #include "parse_number.h" diff --git a/include/fast_float/fast_table.h b/include/fast_float/fast_table.h index d8dc569..097e27b 100644 --- a/include/fast_float/fast_table.h +++ b/include/fast_float/fast_table.h @@ -29,669 +29,673 @@ namespace fast_float { * infinite in binary64 so we never need to worry about powers * of 5 greater than 308. */ -template -struct powers_template { +template struct powers_template { -constexpr static int smallest_power_of_five = binary_format::smallest_power_of_ten(); -constexpr static int largest_power_of_five = binary_format::largest_power_of_ten(); -constexpr static int number_of_entries = 2 * (largest_power_of_five - smallest_power_of_five + 1); -// Powers of five from 5^-342 all the way to 5^308 rounded toward one. -constexpr static uint64_t power_of_five_128[number_of_entries] = { - 0xeef453d6923bd65a,0x113faa2906a13b3f, - 0x9558b4661b6565f8,0x4ac7ca59a424c507, - 0xbaaee17fa23ebf76,0x5d79bcf00d2df649, - 0xe95a99df8ace6f53,0xf4d82c2c107973dc, - 0x91d8a02bb6c10594,0x79071b9b8a4be869, - 0xb64ec836a47146f9,0x9748e2826cdee284, - 0xe3e27a444d8d98b7,0xfd1b1b2308169b25, - 0x8e6d8c6ab0787f72,0xfe30f0f5e50e20f7, - 0xb208ef855c969f4f,0xbdbd2d335e51a935, - 0xde8b2b66b3bc4723,0xad2c788035e61382, - 0x8b16fb203055ac76,0x4c3bcb5021afcc31, - 0xaddcb9e83c6b1793,0xdf4abe242a1bbf3d, - 0xd953e8624b85dd78,0xd71d6dad34a2af0d, - 0x87d4713d6f33aa6b,0x8672648c40e5ad68, - 0xa9c98d8ccb009506,0x680efdaf511f18c2, - 0xd43bf0effdc0ba48,0x212bd1b2566def2, - 0x84a57695fe98746d,0x14bb630f7604b57, - 0xa5ced43b7e3e9188,0x419ea3bd35385e2d, - 0xcf42894a5dce35ea,0x52064cac828675b9, - 0x818995ce7aa0e1b2,0x7343efebd1940993, - 0xa1ebfb4219491a1f,0x1014ebe6c5f90bf8, - 0xca66fa129f9b60a6,0xd41a26e077774ef6, - 0xfd00b897478238d0,0x8920b098955522b4, - 0x9e20735e8cb16382,0x55b46e5f5d5535b0, - 0xc5a890362fddbc62,0xeb2189f734aa831d, - 0xf712b443bbd52b7b,0xa5e9ec7501d523e4, - 0x9a6bb0aa55653b2d,0x47b233c92125366e, - 0xc1069cd4eabe89f8,0x999ec0bb696e840a, - 0xf148440a256e2c76,0xc00670ea43ca250d, - 0x96cd2a865764dbca,0x380406926a5e5728, - 0xbc807527ed3e12bc,0xc605083704f5ecf2, - 0xeba09271e88d976b,0xf7864a44c633682e, - 0x93445b8731587ea3,0x7ab3ee6afbe0211d, - 0xb8157268fdae9e4c,0x5960ea05bad82964, - 0xe61acf033d1a45df,0x6fb92487298e33bd, - 0x8fd0c16206306bab,0xa5d3b6d479f8e056, - 0xb3c4f1ba87bc8696,0x8f48a4899877186c, - 0xe0b62e2929aba83c,0x331acdabfe94de87, - 0x8c71dcd9ba0b4925,0x9ff0c08b7f1d0b14, - 0xaf8e5410288e1b6f,0x7ecf0ae5ee44dd9, - 0xdb71e91432b1a24a,0xc9e82cd9f69d6150, - 0x892731ac9faf056e,0xbe311c083a225cd2, - 0xab70fe17c79ac6ca,0x6dbd630a48aaf406, - 0xd64d3d9db981787d,0x92cbbccdad5b108, - 0x85f0468293f0eb4e,0x25bbf56008c58ea5, - 0xa76c582338ed2621,0xaf2af2b80af6f24e, - 0xd1476e2c07286faa,0x1af5af660db4aee1, - 0x82cca4db847945ca,0x50d98d9fc890ed4d, - 0xa37fce126597973c,0xe50ff107bab528a0, - 0xcc5fc196fefd7d0c,0x1e53ed49a96272c8, - 0xff77b1fcbebcdc4f,0x25e8e89c13bb0f7a, - 0x9faacf3df73609b1,0x77b191618c54e9ac, - 0xc795830d75038c1d,0xd59df5b9ef6a2417, - 0xf97ae3d0d2446f25,0x4b0573286b44ad1d, - 0x9becce62836ac577,0x4ee367f9430aec32, - 0xc2e801fb244576d5,0x229c41f793cda73f, - 0xf3a20279ed56d48a,0x6b43527578c1110f, - 0x9845418c345644d6,0x830a13896b78aaa9, - 0xbe5691ef416bd60c,0x23cc986bc656d553, - 0xedec366b11c6cb8f,0x2cbfbe86b7ec8aa8, - 0x94b3a202eb1c3f39,0x7bf7d71432f3d6a9, - 0xb9e08a83a5e34f07,0xdaf5ccd93fb0cc53, - 0xe858ad248f5c22c9,0xd1b3400f8f9cff68, - 0x91376c36d99995be,0x23100809b9c21fa1, - 0xb58547448ffffb2d,0xabd40a0c2832a78a, - 0xe2e69915b3fff9f9,0x16c90c8f323f516c, - 0x8dd01fad907ffc3b,0xae3da7d97f6792e3, - 0xb1442798f49ffb4a,0x99cd11cfdf41779c, - 0xdd95317f31c7fa1d,0x40405643d711d583, - 0x8a7d3eef7f1cfc52,0x482835ea666b2572, - 0xad1c8eab5ee43b66,0xda3243650005eecf, - 0xd863b256369d4a40,0x90bed43e40076a82, - 0x873e4f75e2224e68,0x5a7744a6e804a291, - 0xa90de3535aaae202,0x711515d0a205cb36, - 0xd3515c2831559a83,0xd5a5b44ca873e03, - 0x8412d9991ed58091,0xe858790afe9486c2, - 0xa5178fff668ae0b6,0x626e974dbe39a872, - 0xce5d73ff402d98e3,0xfb0a3d212dc8128f, - 0x80fa687f881c7f8e,0x7ce66634bc9d0b99, - 0xa139029f6a239f72,0x1c1fffc1ebc44e80, - 0xc987434744ac874e,0xa327ffb266b56220, - 0xfbe9141915d7a922,0x4bf1ff9f0062baa8, - 0x9d71ac8fada6c9b5,0x6f773fc3603db4a9, - 0xc4ce17b399107c22,0xcb550fb4384d21d3, - 0xf6019da07f549b2b,0x7e2a53a146606a48, - 0x99c102844f94e0fb,0x2eda7444cbfc426d, - 0xc0314325637a1939,0xfa911155fefb5308, - 0xf03d93eebc589f88,0x793555ab7eba27ca, - 0x96267c7535b763b5,0x4bc1558b2f3458de, - 0xbbb01b9283253ca2,0x9eb1aaedfb016f16, - 0xea9c227723ee8bcb,0x465e15a979c1cadc, - 0x92a1958a7675175f,0xbfacd89ec191ec9, - 0xb749faed14125d36,0xcef980ec671f667b, - 0xe51c79a85916f484,0x82b7e12780e7401a, - 0x8f31cc0937ae58d2,0xd1b2ecb8b0908810, - 0xb2fe3f0b8599ef07,0x861fa7e6dcb4aa15, - 0xdfbdcece67006ac9,0x67a791e093e1d49a, - 0x8bd6a141006042bd,0xe0c8bb2c5c6d24e0, - 0xaecc49914078536d,0x58fae9f773886e18, - 0xda7f5bf590966848,0xaf39a475506a899e, - 0x888f99797a5e012d,0x6d8406c952429603, - 0xaab37fd7d8f58178,0xc8e5087ba6d33b83, - 0xd5605fcdcf32e1d6,0xfb1e4a9a90880a64, - 0x855c3be0a17fcd26,0x5cf2eea09a55067f, - 0xa6b34ad8c9dfc06f,0xf42faa48c0ea481e, - 0xd0601d8efc57b08b,0xf13b94daf124da26, - 0x823c12795db6ce57,0x76c53d08d6b70858, - 0xa2cb1717b52481ed,0x54768c4b0c64ca6e, - 0xcb7ddcdda26da268,0xa9942f5dcf7dfd09, - 0xfe5d54150b090b02,0xd3f93b35435d7c4c, - 0x9efa548d26e5a6e1,0xc47bc5014a1a6daf, - 0xc6b8e9b0709f109a,0x359ab6419ca1091b, - 0xf867241c8cc6d4c0,0xc30163d203c94b62, - 0x9b407691d7fc44f8,0x79e0de63425dcf1d, - 0xc21094364dfb5636,0x985915fc12f542e4, - 0xf294b943e17a2bc4,0x3e6f5b7b17b2939d, - 0x979cf3ca6cec5b5a,0xa705992ceecf9c42, - 0xbd8430bd08277231,0x50c6ff782a838353, - 0xece53cec4a314ebd,0xa4f8bf5635246428, - 0x940f4613ae5ed136,0x871b7795e136be99, - 0xb913179899f68584,0x28e2557b59846e3f, - 0xe757dd7ec07426e5,0x331aeada2fe589cf, - 0x9096ea6f3848984f,0x3ff0d2c85def7621, - 0xb4bca50b065abe63,0xfed077a756b53a9, - 0xe1ebce4dc7f16dfb,0xd3e8495912c62894, - 0x8d3360f09cf6e4bd,0x64712dd7abbbd95c, - 0xb080392cc4349dec,0xbd8d794d96aacfb3, - 0xdca04777f541c567,0xecf0d7a0fc5583a0, - 0x89e42caaf9491b60,0xf41686c49db57244, - 0xac5d37d5b79b6239,0x311c2875c522ced5, - 0xd77485cb25823ac7,0x7d633293366b828b, - 0x86a8d39ef77164bc,0xae5dff9c02033197, - 0xa8530886b54dbdeb,0xd9f57f830283fdfc, - 0xd267caa862a12d66,0xd072df63c324fd7b, - 0x8380dea93da4bc60,0x4247cb9e59f71e6d, - 0xa46116538d0deb78,0x52d9be85f074e608, - 0xcd795be870516656,0x67902e276c921f8b, - 0x806bd9714632dff6,0xba1cd8a3db53b6, - 0xa086cfcd97bf97f3,0x80e8a40eccd228a4, - 0xc8a883c0fdaf7df0,0x6122cd128006b2cd, - 0xfad2a4b13d1b5d6c,0x796b805720085f81, - 0x9cc3a6eec6311a63,0xcbe3303674053bb0, - 0xc3f490aa77bd60fc,0xbedbfc4411068a9c, - 0xf4f1b4d515acb93b,0xee92fb5515482d44, - 0x991711052d8bf3c5,0x751bdd152d4d1c4a, - 0xbf5cd54678eef0b6,0xd262d45a78a0635d, - 0xef340a98172aace4,0x86fb897116c87c34, - 0x9580869f0e7aac0e,0xd45d35e6ae3d4da0, - 0xbae0a846d2195712,0x8974836059cca109, - 0xe998d258869facd7,0x2bd1a438703fc94b, - 0x91ff83775423cc06,0x7b6306a34627ddcf, - 0xb67f6455292cbf08,0x1a3bc84c17b1d542, - 0xe41f3d6a7377eeca,0x20caba5f1d9e4a93, - 0x8e938662882af53e,0x547eb47b7282ee9c, - 0xb23867fb2a35b28d,0xe99e619a4f23aa43, - 0xdec681f9f4c31f31,0x6405fa00e2ec94d4, - 0x8b3c113c38f9f37e,0xde83bc408dd3dd04, - 0xae0b158b4738705e,0x9624ab50b148d445, - 0xd98ddaee19068c76,0x3badd624dd9b0957, - 0x87f8a8d4cfa417c9,0xe54ca5d70a80e5d6, - 0xa9f6d30a038d1dbc,0x5e9fcf4ccd211f4c, - 0xd47487cc8470652b,0x7647c3200069671f, - 0x84c8d4dfd2c63f3b,0x29ecd9f40041e073, - 0xa5fb0a17c777cf09,0xf468107100525890, - 0xcf79cc9db955c2cc,0x7182148d4066eeb4, - 0x81ac1fe293d599bf,0xc6f14cd848405530, - 0xa21727db38cb002f,0xb8ada00e5a506a7c, - 0xca9cf1d206fdc03b,0xa6d90811f0e4851c, - 0xfd442e4688bd304a,0x908f4a166d1da663, - 0x9e4a9cec15763e2e,0x9a598e4e043287fe, - 0xc5dd44271ad3cdba,0x40eff1e1853f29fd, - 0xf7549530e188c128,0xd12bee59e68ef47c, - 0x9a94dd3e8cf578b9,0x82bb74f8301958ce, - 0xc13a148e3032d6e7,0xe36a52363c1faf01, - 0xf18899b1bc3f8ca1,0xdc44e6c3cb279ac1, - 0x96f5600f15a7b7e5,0x29ab103a5ef8c0b9, - 0xbcb2b812db11a5de,0x7415d448f6b6f0e7, - 0xebdf661791d60f56,0x111b495b3464ad21, - 0x936b9fcebb25c995,0xcab10dd900beec34, - 0xb84687c269ef3bfb,0x3d5d514f40eea742, - 0xe65829b3046b0afa,0xcb4a5a3112a5112, - 0x8ff71a0fe2c2e6dc,0x47f0e785eaba72ab, - 0xb3f4e093db73a093,0x59ed216765690f56, - 0xe0f218b8d25088b8,0x306869c13ec3532c, - 0x8c974f7383725573,0x1e414218c73a13fb, - 0xafbd2350644eeacf,0xe5d1929ef90898fa, - 0xdbac6c247d62a583,0xdf45f746b74abf39, - 0x894bc396ce5da772,0x6b8bba8c328eb783, - 0xab9eb47c81f5114f,0x66ea92f3f326564, - 0xd686619ba27255a2,0xc80a537b0efefebd, - 0x8613fd0145877585,0xbd06742ce95f5f36, - 0xa798fc4196e952e7,0x2c48113823b73704, - 0xd17f3b51fca3a7a0,0xf75a15862ca504c5, - 0x82ef85133de648c4,0x9a984d73dbe722fb, - 0xa3ab66580d5fdaf5,0xc13e60d0d2e0ebba, - 0xcc963fee10b7d1b3,0x318df905079926a8, - 0xffbbcfe994e5c61f,0xfdf17746497f7052, - 0x9fd561f1fd0f9bd3,0xfeb6ea8bedefa633, - 0xc7caba6e7c5382c8,0xfe64a52ee96b8fc0, - 0xf9bd690a1b68637b,0x3dfdce7aa3c673b0, - 0x9c1661a651213e2d,0x6bea10ca65c084e, - 0xc31bfa0fe5698db8,0x486e494fcff30a62, - 0xf3e2f893dec3f126,0x5a89dba3c3efccfa, - 0x986ddb5c6b3a76b7,0xf89629465a75e01c, - 0xbe89523386091465,0xf6bbb397f1135823, - 0xee2ba6c0678b597f,0x746aa07ded582e2c, - 0x94db483840b717ef,0xa8c2a44eb4571cdc, - 0xba121a4650e4ddeb,0x92f34d62616ce413, - 0xe896a0d7e51e1566,0x77b020baf9c81d17, - 0x915e2486ef32cd60,0xace1474dc1d122e, - 0xb5b5ada8aaff80b8,0xd819992132456ba, - 0xe3231912d5bf60e6,0x10e1fff697ed6c69, - 0x8df5efabc5979c8f,0xca8d3ffa1ef463c1, - 0xb1736b96b6fd83b3,0xbd308ff8a6b17cb2, - 0xddd0467c64bce4a0,0xac7cb3f6d05ddbde, - 0x8aa22c0dbef60ee4,0x6bcdf07a423aa96b, - 0xad4ab7112eb3929d,0x86c16c98d2c953c6, - 0xd89d64d57a607744,0xe871c7bf077ba8b7, - 0x87625f056c7c4a8b,0x11471cd764ad4972, - 0xa93af6c6c79b5d2d,0xd598e40d3dd89bcf, - 0xd389b47879823479,0x4aff1d108d4ec2c3, - 0x843610cb4bf160cb,0xcedf722a585139ba, - 0xa54394fe1eedb8fe,0xc2974eb4ee658828, - 0xce947a3da6a9273e,0x733d226229feea32, - 0x811ccc668829b887,0x806357d5a3f525f, - 0xa163ff802a3426a8,0xca07c2dcb0cf26f7, - 0xc9bcff6034c13052,0xfc89b393dd02f0b5, - 0xfc2c3f3841f17c67,0xbbac2078d443ace2, - 0x9d9ba7832936edc0,0xd54b944b84aa4c0d, - 0xc5029163f384a931,0xa9e795e65d4df11, - 0xf64335bcf065d37d,0x4d4617b5ff4a16d5, - 0x99ea0196163fa42e,0x504bced1bf8e4e45, - 0xc06481fb9bcf8d39,0xe45ec2862f71e1d6, - 0xf07da27a82c37088,0x5d767327bb4e5a4c, - 0x964e858c91ba2655,0x3a6a07f8d510f86f, - 0xbbe226efb628afea,0x890489f70a55368b, - 0xeadab0aba3b2dbe5,0x2b45ac74ccea842e, - 0x92c8ae6b464fc96f,0x3b0b8bc90012929d, - 0xb77ada0617e3bbcb,0x9ce6ebb40173744, - 0xe55990879ddcaabd,0xcc420a6a101d0515, - 0x8f57fa54c2a9eab6,0x9fa946824a12232d, - 0xb32df8e9f3546564,0x47939822dc96abf9, - 0xdff9772470297ebd,0x59787e2b93bc56f7, - 0x8bfbea76c619ef36,0x57eb4edb3c55b65a, - 0xaefae51477a06b03,0xede622920b6b23f1, - 0xdab99e59958885c4,0xe95fab368e45eced, - 0x88b402f7fd75539b,0x11dbcb0218ebb414, - 0xaae103b5fcd2a881,0xd652bdc29f26a119, - 0xd59944a37c0752a2,0x4be76d3346f0495f, - 0x857fcae62d8493a5,0x6f70a4400c562ddb, - 0xa6dfbd9fb8e5b88e,0xcb4ccd500f6bb952, - 0xd097ad07a71f26b2,0x7e2000a41346a7a7, - 0x825ecc24c873782f,0x8ed400668c0c28c8, - 0xa2f67f2dfa90563b,0x728900802f0f32fa, - 0xcbb41ef979346bca,0x4f2b40a03ad2ffb9, - 0xfea126b7d78186bc,0xe2f610c84987bfa8, - 0x9f24b832e6b0f436,0xdd9ca7d2df4d7c9, - 0xc6ede63fa05d3143,0x91503d1c79720dbb, - 0xf8a95fcf88747d94,0x75a44c6397ce912a, - 0x9b69dbe1b548ce7c,0xc986afbe3ee11aba, - 0xc24452da229b021b,0xfbe85badce996168, - 0xf2d56790ab41c2a2,0xfae27299423fb9c3, - 0x97c560ba6b0919a5,0xdccd879fc967d41a, - 0xbdb6b8e905cb600f,0x5400e987bbc1c920, - 0xed246723473e3813,0x290123e9aab23b68, - 0x9436c0760c86e30b,0xf9a0b6720aaf6521, - 0xb94470938fa89bce,0xf808e40e8d5b3e69, - 0xe7958cb87392c2c2,0xb60b1d1230b20e04, - 0x90bd77f3483bb9b9,0xb1c6f22b5e6f48c2, - 0xb4ecd5f01a4aa828,0x1e38aeb6360b1af3, - 0xe2280b6c20dd5232,0x25c6da63c38de1b0, - 0x8d590723948a535f,0x579c487e5a38ad0e, - 0xb0af48ec79ace837,0x2d835a9df0c6d851, - 0xdcdb1b2798182244,0xf8e431456cf88e65, - 0x8a08f0f8bf0f156b,0x1b8e9ecb641b58ff, - 0xac8b2d36eed2dac5,0xe272467e3d222f3f, - 0xd7adf884aa879177,0x5b0ed81dcc6abb0f, - 0x86ccbb52ea94baea,0x98e947129fc2b4e9, - 0xa87fea27a539e9a5,0x3f2398d747b36224, - 0xd29fe4b18e88640e,0x8eec7f0d19a03aad, - 0x83a3eeeef9153e89,0x1953cf68300424ac, - 0xa48ceaaab75a8e2b,0x5fa8c3423c052dd7, - 0xcdb02555653131b6,0x3792f412cb06794d, - 0x808e17555f3ebf11,0xe2bbd88bbee40bd0, - 0xa0b19d2ab70e6ed6,0x5b6aceaeae9d0ec4, - 0xc8de047564d20a8b,0xf245825a5a445275, - 0xfb158592be068d2e,0xeed6e2f0f0d56712, - 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0x847c9b5d7c2e09b7,0x69956135febada11, - 0xa59bc234db398c25,0x43fab9837e699095, - 0xcf02b2c21207ef2e,0x94f967e45e03f4bb, - 0x8161afb94b44f57d,0x1d1be0eebac278f5, - 0xa1ba1ba79e1632dc,0x6462d92a69731732, - 0xca28a291859bbf93,0x7d7b8f7503cfdcfe, - 0xfcb2cb35e702af78,0x5cda735244c3d43e, - 0x9defbf01b061adab,0x3a0888136afa64a7, - 0xc56baec21c7a1916,0x88aaa1845b8fdd0, - 0xf6c69a72a3989f5b,0x8aad549e57273d45, - 0x9a3c2087a63f6399,0x36ac54e2f678864b, - 0xc0cb28a98fcf3c7f,0x84576a1bb416a7dd, - 0xf0fdf2d3f3c30b9f,0x656d44a2a11c51d5, - 0x969eb7c47859e743,0x9f644ae5a4b1b325, - 0xbc4665b596706114,0x873d5d9f0dde1fee, - 0xeb57ff22fc0c7959,0xa90cb506d155a7ea, - 0x9316ff75dd87cbd8,0x9a7f12442d588f2, - 0xb7dcbf5354e9bece,0xc11ed6d538aeb2f, - 0xe5d3ef282a242e81,0x8f1668c8a86da5fa, - 0x8fa475791a569d10,0xf96e017d694487bc, - 0xb38d92d760ec4455,0x37c981dcc395a9ac, - 0xe070f78d3927556a,0x85bbe253f47b1417, - 0x8c469ab843b89562,0x93956d7478ccec8e, - 0xaf58416654a6babb,0x387ac8d1970027b2, - 0xdb2e51bfe9d0696a,0x6997b05fcc0319e, - 0x88fcf317f22241e2,0x441fece3bdf81f03, - 0xab3c2fddeeaad25a,0xd527e81cad7626c3, - 0xd60b3bd56a5586f1,0x8a71e223d8d3b074, - 0x85c7056562757456,0xf6872d5667844e49, - 0xa738c6bebb12d16c,0xb428f8ac016561db, - 0xd106f86e69d785c7,0xe13336d701beba52, - 0x82a45b450226b39c,0xecc0024661173473, - 0xa34d721642b06084,0x27f002d7f95d0190, - 0xcc20ce9bd35c78a5,0x31ec038df7b441f4, - 0xff290242c83396ce,0x7e67047175a15271, - 0x9f79a169bd203e41,0xf0062c6e984d386, - 0xc75809c42c684dd1,0x52c07b78a3e60868, - 0xf92e0c3537826145,0xa7709a56ccdf8a82, - 0x9bbcc7a142b17ccb,0x88a66076400bb691, - 0xc2abf989935ddbfe,0x6acff893d00ea435, - 0xf356f7ebf83552fe,0x583f6b8c4124d43, - 0x98165af37b2153de,0xc3727a337a8b704a, - 0xbe1bf1b059e9a8d6,0x744f18c0592e4c5c, - 0xeda2ee1c7064130c,0x1162def06f79df73, - 0x9485d4d1c63e8be7,0x8addcb5645ac2ba8, - 0xb9a74a0637ce2ee1,0x6d953e2bd7173692, - 0xe8111c87c5c1ba99,0xc8fa8db6ccdd0437, - 0x910ab1d4db9914a0,0x1d9c9892400a22a2, - 0xb54d5e4a127f59c8,0x2503beb6d00cab4b, - 0xe2a0b5dc971f303a,0x2e44ae64840fd61d, - 0x8da471a9de737e24,0x5ceaecfed289e5d2, - 0xb10d8e1456105dad,0x7425a83e872c5f47, - 0xdd50f1996b947518,0xd12f124e28f77719, - 0x8a5296ffe33cc92f,0x82bd6b70d99aaa6f, - 0xace73cbfdc0bfb7b,0x636cc64d1001550b, - 0xd8210befd30efa5a,0x3c47f7e05401aa4e, - 0x8714a775e3e95c78,0x65acfaec34810a71, - 0xa8d9d1535ce3b396,0x7f1839a741a14d0d, - 0xd31045a8341ca07c,0x1ede48111209a050, - 0x83ea2b892091e44d,0x934aed0aab460432, - 0xa4e4b66b68b65d60,0xf81da84d5617853f, - 0xce1de40642e3f4b9,0x36251260ab9d668e, - 0x80d2ae83e9ce78f3,0xc1d72b7c6b426019, - 0xa1075a24e4421730,0xb24cf65b8612f81f, - 0xc94930ae1d529cfc,0xdee033f26797b627, - 0xfb9b7cd9a4a7443c,0x169840ef017da3b1, - 0x9d412e0806e88aa5,0x8e1f289560ee864e, - 0xc491798a08a2ad4e,0xf1a6f2bab92a27e2, - 0xf5b5d7ec8acb58a2,0xae10af696774b1db, - 0x9991a6f3d6bf1765,0xacca6da1e0a8ef29, - 0xbff610b0cc6edd3f,0x17fd090a58d32af3, - 0xeff394dcff8a948e,0xddfc4b4cef07f5b0, - 0x95f83d0a1fb69cd9,0x4abdaf101564f98e, - 0xbb764c4ca7a4440f,0x9d6d1ad41abe37f1, - 0xea53df5fd18d5513,0x84c86189216dc5ed, - 0x92746b9be2f8552c,0x32fd3cf5b4e49bb4, - 0xb7118682dbb66a77,0x3fbc8c33221dc2a1, - 0xe4d5e82392a40515,0xfabaf3feaa5334a, - 0x8f05b1163ba6832d,0x29cb4d87f2a7400e, - 0xb2c71d5bca9023f8,0x743e20e9ef511012, - 0xdf78e4b2bd342cf6,0x914da9246b255416, - 0x8bab8eefb6409c1a,0x1ad089b6c2f7548e, - 0xae9672aba3d0c320,0xa184ac2473b529b1, - 0xda3c0f568cc4f3e8,0xc9e5d72d90a2741e, - 0x8865899617fb1871,0x7e2fa67c7a658892, - 0xaa7eebfb9df9de8d,0xddbb901b98feeab7, - 0xd51ea6fa85785631,0x552a74227f3ea565, - 0x8533285c936b35de,0xd53a88958f87275f, - 0xa67ff273b8460356,0x8a892abaf368f137, - 0xd01fef10a657842c,0x2d2b7569b0432d85, - 0x8213f56a67f6b29b,0x9c3b29620e29fc73, - 0xa298f2c501f45f42,0x8349f3ba91b47b8f, - 0xcb3f2f7642717713,0x241c70a936219a73, - 0xfe0efb53d30dd4d7,0xed238cd383aa0110, - 0x9ec95d1463e8a506,0xf4363804324a40aa, - 0xc67bb4597ce2ce48,0xb143c6053edcd0d5, - 0xf81aa16fdc1b81da,0xdd94b7868e94050a, - 0x9b10a4e5e9913128,0xca7cf2b4191c8326, - 0xc1d4ce1f63f57d72,0xfd1c2f611f63a3f0, - 0xf24a01a73cf2dccf,0xbc633b39673c8cec, - 0x976e41088617ca01,0xd5be0503e085d813, - 0xbd49d14aa79dbc82,0x4b2d8644d8a74e18, - 0xec9c459d51852ba2,0xddf8e7d60ed1219e, - 0x93e1ab8252f33b45,0xcabb90e5c942b503, - 0xb8da1662e7b00a17,0x3d6a751f3b936243, - 0xe7109bfba19c0c9d,0xcc512670a783ad4, - 0x906a617d450187e2,0x27fb2b80668b24c5, - 0xb484f9dc9641e9da,0xb1f9f660802dedf6, - 0xe1a63853bbd26451,0x5e7873f8a0396973, - 0x8d07e33455637eb2,0xdb0b487b6423e1e8, - 0xb049dc016abc5e5f,0x91ce1a9a3d2cda62, - 0xdc5c5301c56b75f7,0x7641a140cc7810fb, - 0x89b9b3e11b6329ba,0xa9e904c87fcb0a9d, - 0xac2820d9623bf429,0x546345fa9fbdcd44, - 0xd732290fbacaf133,0xa97c177947ad4095, - 0x867f59a9d4bed6c0,0x49ed8eabcccc485d, - 0xa81f301449ee8c70,0x5c68f256bfff5a74, - 0xd226fc195c6a2f8c,0x73832eec6fff3111, - 0x83585d8fd9c25db7,0xc831fd53c5ff7eab, - 0xa42e74f3d032f525,0xba3e7ca8b77f5e55, - 0xcd3a1230c43fb26f,0x28ce1bd2e55f35eb, - 0x80444b5e7aa7cf85,0x7980d163cf5b81b3, - 0xa0555e361951c366,0xd7e105bcc332621f, - 0xc86ab5c39fa63440,0x8dd9472bf3fefaa7, - 0xfa856334878fc150,0xb14f98f6f0feb951, - 0x9c935e00d4b9d8d2,0x6ed1bf9a569f33d3, - 0xc3b8358109e84f07,0xa862f80ec4700c8, - 0xf4a642e14c6262c8,0xcd27bb612758c0fa, - 0x98e7e9cccfbd7dbd,0x8038d51cb897789c, - 0xbf21e44003acdd2c,0xe0470a63e6bd56c3, - 0xeeea5d5004981478,0x1858ccfce06cac74, - 0x95527a5202df0ccb,0xf37801e0c43ebc8, - 0xbaa718e68396cffd,0xd30560258f54e6ba, - 0xe950df20247c83fd,0x47c6b82ef32a2069, - 0x91d28b7416cdd27e,0x4cdc331d57fa5441, - 0xb6472e511c81471d,0xe0133fe4adf8e952, - 0xe3d8f9e563a198e5,0x58180fddd97723a6, - 0x8e679c2f5e44ff8f,0x570f09eaa7ea7648,}; + constexpr static int smallest_power_of_five = + binary_format::smallest_power_of_ten(); + constexpr static int largest_power_of_five = + binary_format::largest_power_of_ten(); + constexpr static int number_of_entries = + 2 * (largest_power_of_five - smallest_power_of_five + 1); + // Powers of five from 5^-342 all the way to 5^308 rounded toward one. + constexpr static uint64_t power_of_five_128[number_of_entries] = { + 0xeef453d6923bd65a, 0x113faa2906a13b3f, + 0x9558b4661b6565f8, 0x4ac7ca59a424c507, + 0xbaaee17fa23ebf76, 0x5d79bcf00d2df649, + 0xe95a99df8ace6f53, 0xf4d82c2c107973dc, + 0x91d8a02bb6c10594, 0x79071b9b8a4be869, + 0xb64ec836a47146f9, 0x9748e2826cdee284, + 0xe3e27a444d8d98b7, 0xfd1b1b2308169b25, + 0x8e6d8c6ab0787f72, 0xfe30f0f5e50e20f7, + 0xb208ef855c969f4f, 0xbdbd2d335e51a935, + 0xde8b2b66b3bc4723, 0xad2c788035e61382, + 0x8b16fb203055ac76, 0x4c3bcb5021afcc31, + 0xaddcb9e83c6b1793, 0xdf4abe242a1bbf3d, + 0xd953e8624b85dd78, 0xd71d6dad34a2af0d, + 0x87d4713d6f33aa6b, 0x8672648c40e5ad68, + 0xa9c98d8ccb009506, 0x680efdaf511f18c2, + 0xd43bf0effdc0ba48, 0x212bd1b2566def2, + 0x84a57695fe98746d, 0x14bb630f7604b57, + 0xa5ced43b7e3e9188, 0x419ea3bd35385e2d, + 0xcf42894a5dce35ea, 0x52064cac828675b9, + 0x818995ce7aa0e1b2, 0x7343efebd1940993, + 0xa1ebfb4219491a1f, 0x1014ebe6c5f90bf8, + 0xca66fa129f9b60a6, 0xd41a26e077774ef6, + 0xfd00b897478238d0, 0x8920b098955522b4, + 0x9e20735e8cb16382, 0x55b46e5f5d5535b0, + 0xc5a890362fddbc62, 0xeb2189f734aa831d, + 0xf712b443bbd52b7b, 0xa5e9ec7501d523e4, + 0x9a6bb0aa55653b2d, 0x47b233c92125366e, + 0xc1069cd4eabe89f8, 0x999ec0bb696e840a, + 0xf148440a256e2c76, 0xc00670ea43ca250d, + 0x96cd2a865764dbca, 0x380406926a5e5728, + 0xbc807527ed3e12bc, 0xc605083704f5ecf2, + 0xeba09271e88d976b, 0xf7864a44c633682e, + 0x93445b8731587ea3, 0x7ab3ee6afbe0211d, + 0xb8157268fdae9e4c, 0x5960ea05bad82964, + 0xe61acf033d1a45df, 0x6fb92487298e33bd, + 0x8fd0c16206306bab, 0xa5d3b6d479f8e056, + 0xb3c4f1ba87bc8696, 0x8f48a4899877186c, + 0xe0b62e2929aba83c, 0x331acdabfe94de87, + 0x8c71dcd9ba0b4925, 0x9ff0c08b7f1d0b14, + 0xaf8e5410288e1b6f, 0x7ecf0ae5ee44dd9, + 0xdb71e91432b1a24a, 0xc9e82cd9f69d6150, + 0x892731ac9faf056e, 0xbe311c083a225cd2, + 0xab70fe17c79ac6ca, 0x6dbd630a48aaf406, + 0xd64d3d9db981787d, 0x92cbbccdad5b108, + 0x85f0468293f0eb4e, 0x25bbf56008c58ea5, + 0xa76c582338ed2621, 0xaf2af2b80af6f24e, + 0xd1476e2c07286faa, 0x1af5af660db4aee1, + 0x82cca4db847945ca, 0x50d98d9fc890ed4d, + 0xa37fce126597973c, 0xe50ff107bab528a0, + 0xcc5fc196fefd7d0c, 0x1e53ed49a96272c8, + 0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7a, + 0x9faacf3df73609b1, 0x77b191618c54e9ac, + 0xc795830d75038c1d, 0xd59df5b9ef6a2417, + 0xf97ae3d0d2446f25, 0x4b0573286b44ad1d, + 0x9becce62836ac577, 0x4ee367f9430aec32, + 0xc2e801fb244576d5, 0x229c41f793cda73f, + 0xf3a20279ed56d48a, 0x6b43527578c1110f, + 0x9845418c345644d6, 0x830a13896b78aaa9, + 0xbe5691ef416bd60c, 0x23cc986bc656d553, + 0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa8, + 0x94b3a202eb1c3f39, 0x7bf7d71432f3d6a9, + 0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc53, + 0xe858ad248f5c22c9, 0xd1b3400f8f9cff68, + 0x91376c36d99995be, 0x23100809b9c21fa1, + 0xb58547448ffffb2d, 0xabd40a0c2832a78a, + 0xe2e69915b3fff9f9, 0x16c90c8f323f516c, + 0x8dd01fad907ffc3b, 0xae3da7d97f6792e3, + 0xb1442798f49ffb4a, 0x99cd11cfdf41779c, + 0xdd95317f31c7fa1d, 0x40405643d711d583, + 0x8a7d3eef7f1cfc52, 0x482835ea666b2572, + 0xad1c8eab5ee43b66, 0xda3243650005eecf, + 0xd863b256369d4a40, 0x90bed43e40076a82, + 0x873e4f75e2224e68, 0x5a7744a6e804a291, + 0xa90de3535aaae202, 0x711515d0a205cb36, + 0xd3515c2831559a83, 0xd5a5b44ca873e03, + 0x8412d9991ed58091, 0xe858790afe9486c2, + 0xa5178fff668ae0b6, 0x626e974dbe39a872, + 0xce5d73ff402d98e3, 0xfb0a3d212dc8128f, + 0x80fa687f881c7f8e, 0x7ce66634bc9d0b99, + 0xa139029f6a239f72, 0x1c1fffc1ebc44e80, + 0xc987434744ac874e, 0xa327ffb266b56220, + 0xfbe9141915d7a922, 0x4bf1ff9f0062baa8, + 0x9d71ac8fada6c9b5, 0x6f773fc3603db4a9, + 0xc4ce17b399107c22, 0xcb550fb4384d21d3, + 0xf6019da07f549b2b, 0x7e2a53a146606a48, + 0x99c102844f94e0fb, 0x2eda7444cbfc426d, + 0xc0314325637a1939, 0xfa911155fefb5308, + 0xf03d93eebc589f88, 0x793555ab7eba27ca, + 0x96267c7535b763b5, 0x4bc1558b2f3458de, + 0xbbb01b9283253ca2, 0x9eb1aaedfb016f16, + 0xea9c227723ee8bcb, 0x465e15a979c1cadc, + 0x92a1958a7675175f, 0xbfacd89ec191ec9, + 0xb749faed14125d36, 0xcef980ec671f667b, + 0xe51c79a85916f484, 0x82b7e12780e7401a, + 0x8f31cc0937ae58d2, 0xd1b2ecb8b0908810, + 0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa15, + 0xdfbdcece67006ac9, 0x67a791e093e1d49a, + 0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e0, + 0xaecc49914078536d, 0x58fae9f773886e18, + 0xda7f5bf590966848, 0xaf39a475506a899e, + 0x888f99797a5e012d, 0x6d8406c952429603, + 0xaab37fd7d8f58178, 0xc8e5087ba6d33b83, + 0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a64, + 0x855c3be0a17fcd26, 0x5cf2eea09a55067f, + 0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481e, + 0xd0601d8efc57b08b, 0xf13b94daf124da26, + 0x823c12795db6ce57, 0x76c53d08d6b70858, + 0xa2cb1717b52481ed, 0x54768c4b0c64ca6e, + 0xcb7ddcdda26da268, 0xa9942f5dcf7dfd09, + 0xfe5d54150b090b02, 0xd3f93b35435d7c4c, + 0x9efa548d26e5a6e1, 0xc47bc5014a1a6daf, + 0xc6b8e9b0709f109a, 0x359ab6419ca1091b, + 0xf867241c8cc6d4c0, 0xc30163d203c94b62, + 0x9b407691d7fc44f8, 0x79e0de63425dcf1d, + 0xc21094364dfb5636, 0x985915fc12f542e4, + 0xf294b943e17a2bc4, 0x3e6f5b7b17b2939d, + 0x979cf3ca6cec5b5a, 0xa705992ceecf9c42, + 0xbd8430bd08277231, 0x50c6ff782a838353, + 0xece53cec4a314ebd, 0xa4f8bf5635246428, + 0x940f4613ae5ed136, 0x871b7795e136be99, + 0xb913179899f68584, 0x28e2557b59846e3f, + 0xe757dd7ec07426e5, 0x331aeada2fe589cf, + 0x9096ea6f3848984f, 0x3ff0d2c85def7621, + 0xb4bca50b065abe63, 0xfed077a756b53a9, + 0xe1ebce4dc7f16dfb, 0xd3e8495912c62894, + 0x8d3360f09cf6e4bd, 0x64712dd7abbbd95c, + 0xb080392cc4349dec, 0xbd8d794d96aacfb3, + 0xdca04777f541c567, 0xecf0d7a0fc5583a0, + 0x89e42caaf9491b60, 0xf41686c49db57244, + 0xac5d37d5b79b6239, 0x311c2875c522ced5, + 0xd77485cb25823ac7, 0x7d633293366b828b, + 0x86a8d39ef77164bc, 0xae5dff9c02033197, + 0xa8530886b54dbdeb, 0xd9f57f830283fdfc, + 0xd267caa862a12d66, 0xd072df63c324fd7b, + 0x8380dea93da4bc60, 0x4247cb9e59f71e6d, + 0xa46116538d0deb78, 0x52d9be85f074e608, + 0xcd795be870516656, 0x67902e276c921f8b, + 0x806bd9714632dff6, 0xba1cd8a3db53b6, + 0xa086cfcd97bf97f3, 0x80e8a40eccd228a4, + 0xc8a883c0fdaf7df0, 0x6122cd128006b2cd, + 0xfad2a4b13d1b5d6c, 0x796b805720085f81, + 0x9cc3a6eec6311a63, 0xcbe3303674053bb0, + 0xc3f490aa77bd60fc, 0xbedbfc4411068a9c, + 0xf4f1b4d515acb93b, 0xee92fb5515482d44, + 0x991711052d8bf3c5, 0x751bdd152d4d1c4a, + 0xbf5cd54678eef0b6, 0xd262d45a78a0635d, + 0xef340a98172aace4, 0x86fb897116c87c34, + 0x9580869f0e7aac0e, 0xd45d35e6ae3d4da0, + 0xbae0a846d2195712, 0x8974836059cca109, + 0xe998d258869facd7, 0x2bd1a438703fc94b, + 0x91ff83775423cc06, 0x7b6306a34627ddcf, + 0xb67f6455292cbf08, 0x1a3bc84c17b1d542, + 0xe41f3d6a7377eeca, 0x20caba5f1d9e4a93, + 0x8e938662882af53e, 0x547eb47b7282ee9c, + 0xb23867fb2a35b28d, 0xe99e619a4f23aa43, + 0xdec681f9f4c31f31, 0x6405fa00e2ec94d4, + 0x8b3c113c38f9f37e, 0xde83bc408dd3dd04, + 0xae0b158b4738705e, 0x9624ab50b148d445, + 0xd98ddaee19068c76, 0x3badd624dd9b0957, + 0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d6, + 0xa9f6d30a038d1dbc, 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0x544f8158315b05b4, + 0xa0dc75f1778e39d6, 0x696361ae3db1c721, + 0xc913936dd571c84c, 0x3bc3a19cd1e38e9, + 0xfb5878494ace3a5f, 0x4ab48a04065c723, + 0x9d174b2dcec0e47b, 0x62eb0d64283f9c76, + 0xc45d1df942711d9a, 0x3ba5d0bd324f8394, + 0xf5746577930d6500, 0xca8f44ec7ee36479, + 0x9968bf6abbe85f20, 0x7e998b13cf4e1ecb, + 0xbfc2ef456ae276e8, 0x9e3fedd8c321a67e, + 0xefb3ab16c59b14a2, 0xc5cfe94ef3ea101e, + 0x95d04aee3b80ece5, 0xbba1f1d158724a12, + 0xbb445da9ca61281f, 0x2a8a6e45ae8edc97, + 0xea1575143cf97226, 0xf52d09d71a3293bd, + 0x924d692ca61be758, 0x593c2626705f9c56, + 0xb6e0c377cfa2e12e, 0x6f8b2fb00c77836c, + 0xe498f455c38b997a, 0xb6dfb9c0f956447, + 0x8edf98b59a373fec, 0x4724bd4189bd5eac, + 0xb2977ee300c50fe7, 0x58edec91ec2cb657, + 0xdf3d5e9bc0f653e1, 0x2f2967b66737e3ed, + 0x8b865b215899f46c, 0xbd79e0d20082ee74, + 0xae67f1e9aec07187, 0xecd8590680a3aa11, + 0xda01ee641a708de9, 0xe80e6f4820cc9495, + 0x884134fe908658b2, 0x3109058d147fdcdd, + 0xaa51823e34a7eede, 0xbd4b46f0599fd415, + 0xd4e5e2cdc1d1ea96, 0x6c9e18ac7007c91a, + 0x850fadc09923329e, 0x3e2cf6bc604ddb0, + 0xa6539930bf6bff45, 0x84db8346b786151c, + 0xcfe87f7cef46ff16, 0xe612641865679a63, + 0x81f14fae158c5f6e, 0x4fcb7e8f3f60c07e, + 0xa26da3999aef7749, 0xe3be5e330f38f09d, + 0xcb090c8001ab551c, 0x5cadf5bfd3072cc5, + 0xfdcb4fa002162a63, 0x73d9732fc7c8f7f6, + 0x9e9f11c4014dda7e, 0x2867e7fddcdd9afa, + 0xc646d63501a1511d, 0xb281e1fd541501b8, + 0xf7d88bc24209a565, 0x1f225a7ca91a4226, + 0x9ae757596946075f, 0x3375788de9b06958, + 0xc1a12d2fc3978937, 0x52d6b1641c83ae, + 0xf209787bb47d6b84, 0xc0678c5dbd23a49a, + 0x9745eb4d50ce6332, 0xf840b7ba963646e0, + 0xbd176620a501fbff, 0xb650e5a93bc3d898, + 0xec5d3fa8ce427aff, 0xa3e51f138ab4cebe, + 0x93ba47c980e98cdf, 0xc66f336c36b10137, + 0xb8a8d9bbe123f017, 0xb80b0047445d4184, + 0xe6d3102ad96cec1d, 0xa60dc059157491e5, + 0x9043ea1ac7e41392, 0x87c89837ad68db2f, + 0xb454e4a179dd1877, 0x29babe4598c311fb, + 0xe16a1dc9d8545e94, 0xf4296dd6fef3d67a, + 0x8ce2529e2734bb1d, 0x1899e4a65f58660c, + 0xb01ae745b101e9e4, 0x5ec05dcff72e7f8f, + 0xdc21a1171d42645d, 0x76707543f4fa1f73, + 0x899504ae72497eba, 0x6a06494a791c53a8, + 0xabfa45da0edbde69, 0x487db9d17636892, + 0xd6f8d7509292d603, 0x45a9d2845d3c42b6, + 0x865b86925b9bc5c2, 0xb8a2392ba45a9b2, + 0xa7f26836f282b732, 0x8e6cac7768d7141e, + 0xd1ef0244af2364ff, 0x3207d795430cd926, + 0x8335616aed761f1f, 0x7f44e6bd49e807b8, + 0xa402b9c5a8d3a6e7, 0x5f16206c9c6209a6, + 0xcd036837130890a1, 0x36dba887c37a8c0f, + 0x802221226be55a64, 0xc2494954da2c9789, + 0xa02aa96b06deb0fd, 0xf2db9baa10b7bd6c, + 0xc83553c5c8965d3d, 0x6f92829494e5acc7, + 0xfa42a8b73abbf48c, 0xcb772339ba1f17f9, + 0x9c69a97284b578d7, 0xff2a760414536efb, + 0xc38413cf25e2d70d, 0xfef5138519684aba, + 0xf46518c2ef5b8cd1, 0x7eb258665fc25d69, + 0x98bf2f79d5993802, 0xef2f773ffbd97a61, + 0xbeeefb584aff8603, 0xaafb550ffacfd8fa, + 0xeeaaba2e5dbf6784, 0x95ba2a53f983cf38, + 0x952ab45cfa97a0b2, 0xdd945a747bf26183, + 0xba756174393d88df, 0x94f971119aeef9e4, + 0xe912b9d1478ceb17, 0x7a37cd5601aab85d, + 0x91abb422ccb812ee, 0xac62e055c10ab33a, + 0xb616a12b7fe617aa, 0x577b986b314d6009, + 0xe39c49765fdf9d94, 0xed5a7e85fda0b80b, + 0x8e41ade9fbebc27d, 0x14588f13be847307, + 0xb1d219647ae6b31c, 0x596eb2d8ae258fc8, + 0xde469fbd99a05fe3, 0x6fca5f8ed9aef3bb, + 0x8aec23d680043bee, 0x25de7bb9480d5854, + 0xada72ccc20054ae9, 0xaf561aa79a10ae6a, + 0xd910f7ff28069da4, 0x1b2ba1518094da04, + 0x87aa9aff79042286, 0x90fb44d2f05d0842, + 0xa99541bf57452b28, 0x353a1607ac744a53, + 0xd3fa922f2d1675f2, 0x42889b8997915ce8, + 0x847c9b5d7c2e09b7, 0x69956135febada11, + 0xa59bc234db398c25, 0x43fab9837e699095, + 0xcf02b2c21207ef2e, 0x94f967e45e03f4bb, + 0x8161afb94b44f57d, 0x1d1be0eebac278f5, + 0xa1ba1ba79e1632dc, 0x6462d92a69731732, + 0xca28a291859bbf93, 0x7d7b8f7503cfdcfe, + 0xfcb2cb35e702af78, 0x5cda735244c3d43e, + 0x9defbf01b061adab, 0x3a0888136afa64a7, + 0xc56baec21c7a1916, 0x88aaa1845b8fdd0, + 0xf6c69a72a3989f5b, 0x8aad549e57273d45, + 0x9a3c2087a63f6399, 0x36ac54e2f678864b, + 0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd, + 0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5, + 0x969eb7c47859e743, 0x9f644ae5a4b1b325, + 0xbc4665b596706114, 0x873d5d9f0dde1fee, + 0xeb57ff22fc0c7959, 0xa90cb506d155a7ea, + 0x9316ff75dd87cbd8, 0x9a7f12442d588f2, + 0xb7dcbf5354e9bece, 0xc11ed6d538aeb2f, + 0xe5d3ef282a242e81, 0x8f1668c8a86da5fa, + 0x8fa475791a569d10, 0xf96e017d694487bc, + 0xb38d92d760ec4455, 0x37c981dcc395a9ac, + 0xe070f78d3927556a, 0x85bbe253f47b1417, + 0x8c469ab843b89562, 0x93956d7478ccec8e, + 0xaf58416654a6babb, 0x387ac8d1970027b2, + 0xdb2e51bfe9d0696a, 0x6997b05fcc0319e, + 0x88fcf317f22241e2, 0x441fece3bdf81f03, + 0xab3c2fddeeaad25a, 0xd527e81cad7626c3, + 0xd60b3bd56a5586f1, 0x8a71e223d8d3b074, + 0x85c7056562757456, 0xf6872d5667844e49, + 0xa738c6bebb12d16c, 0xb428f8ac016561db, + 0xd106f86e69d785c7, 0xe13336d701beba52, + 0x82a45b450226b39c, 0xecc0024661173473, + 0xa34d721642b06084, 0x27f002d7f95d0190, + 0xcc20ce9bd35c78a5, 0x31ec038df7b441f4, + 0xff290242c83396ce, 0x7e67047175a15271, + 0x9f79a169bd203e41, 0xf0062c6e984d386, + 0xc75809c42c684dd1, 0x52c07b78a3e60868, + 0xf92e0c3537826145, 0xa7709a56ccdf8a82, + 0x9bbcc7a142b17ccb, 0x88a66076400bb691, + 0xc2abf989935ddbfe, 0x6acff893d00ea435, + 0xf356f7ebf83552fe, 0x583f6b8c4124d43, + 0x98165af37b2153de, 0xc3727a337a8b704a, + 0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c, + 0xeda2ee1c7064130c, 0x1162def06f79df73, + 0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8, + 0xb9a74a0637ce2ee1, 0x6d953e2bd7173692, + 0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437, + 0x910ab1d4db9914a0, 0x1d9c9892400a22a2, + 0xb54d5e4a127f59c8, 0x2503beb6d00cab4b, + 0xe2a0b5dc971f303a, 0x2e44ae64840fd61d, + 0x8da471a9de737e24, 0x5ceaecfed289e5d2, + 0xb10d8e1456105dad, 0x7425a83e872c5f47, + 0xdd50f1996b947518, 0xd12f124e28f77719, + 0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f, + 0xace73cbfdc0bfb7b, 0x636cc64d1001550b, + 0xd8210befd30efa5a, 0x3c47f7e05401aa4e, + 0x8714a775e3e95c78, 0x65acfaec34810a71, + 0xa8d9d1535ce3b396, 0x7f1839a741a14d0d, + 0xd31045a8341ca07c, 0x1ede48111209a050, + 0x83ea2b892091e44d, 0x934aed0aab460432, + 0xa4e4b66b68b65d60, 0xf81da84d5617853f, + 0xce1de40642e3f4b9, 0x36251260ab9d668e, + 0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019, + 0xa1075a24e4421730, 0xb24cf65b8612f81f, + 0xc94930ae1d529cfc, 0xdee033f26797b627, + 0xfb9b7cd9a4a7443c, 0x169840ef017da3b1, + 0x9d412e0806e88aa5, 0x8e1f289560ee864e, + 0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2, + 0xf5b5d7ec8acb58a2, 0xae10af696774b1db, + 0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29, + 0xbff610b0cc6edd3f, 0x17fd090a58d32af3, + 0xeff394dcff8a948e, 0xddfc4b4cef07f5b0, + 0x95f83d0a1fb69cd9, 0x4abdaf101564f98e, + 0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1, + 0xea53df5fd18d5513, 0x84c86189216dc5ed, + 0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4, + 0xb7118682dbb66a77, 0x3fbc8c33221dc2a1, + 0xe4d5e82392a40515, 0xfabaf3feaa5334a, + 0x8f05b1163ba6832d, 0x29cb4d87f2a7400e, + 0xb2c71d5bca9023f8, 0x743e20e9ef511012, + 0xdf78e4b2bd342cf6, 0x914da9246b255416, + 0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e, + 0xae9672aba3d0c320, 0xa184ac2473b529b1, + 0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e, + 0x8865899617fb1871, 0x7e2fa67c7a658892, + 0xaa7eebfb9df9de8d, 0xddbb901b98feeab7, + 0xd51ea6fa85785631, 0x552a74227f3ea565, + 0x8533285c936b35de, 0xd53a88958f87275f, + 0xa67ff273b8460356, 0x8a892abaf368f137, + 0xd01fef10a657842c, 0x2d2b7569b0432d85, + 0x8213f56a67f6b29b, 0x9c3b29620e29fc73, + 0xa298f2c501f45f42, 0x8349f3ba91b47b8f, + 0xcb3f2f7642717713, 0x241c70a936219a73, + 0xfe0efb53d30dd4d7, 0xed238cd383aa0110, + 0x9ec95d1463e8a506, 0xf4363804324a40aa, + 0xc67bb4597ce2ce48, 0xb143c6053edcd0d5, + 0xf81aa16fdc1b81da, 0xdd94b7868e94050a, + 0x9b10a4e5e9913128, 0xca7cf2b4191c8326, + 0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0, + 0xf24a01a73cf2dccf, 0xbc633b39673c8cec, + 0x976e41088617ca01, 0xd5be0503e085d813, + 0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18, + 0xec9c459d51852ba2, 0xddf8e7d60ed1219e, + 0x93e1ab8252f33b45, 0xcabb90e5c942b503, + 0xb8da1662e7b00a17, 0x3d6a751f3b936243, + 0xe7109bfba19c0c9d, 0xcc512670a783ad4, + 0x906a617d450187e2, 0x27fb2b80668b24c5, + 0xb484f9dc9641e9da, 0xb1f9f660802dedf6, + 0xe1a63853bbd26451, 0x5e7873f8a0396973, + 0x8d07e33455637eb2, 0xdb0b487b6423e1e8, + 0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62, + 0xdc5c5301c56b75f7, 0x7641a140cc7810fb, + 0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d, + 0xac2820d9623bf429, 0x546345fa9fbdcd44, + 0xd732290fbacaf133, 0xa97c177947ad4095, + 0x867f59a9d4bed6c0, 0x49ed8eabcccc485d, + 0xa81f301449ee8c70, 0x5c68f256bfff5a74, + 0xd226fc195c6a2f8c, 0x73832eec6fff3111, + 0x83585d8fd9c25db7, 0xc831fd53c5ff7eab, + 0xa42e74f3d032f525, 0xba3e7ca8b77f5e55, + 0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb, + 0x80444b5e7aa7cf85, 0x7980d163cf5b81b3, + 0xa0555e361951c366, 0xd7e105bcc332621f, + 0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7, + 0xfa856334878fc150, 0xb14f98f6f0feb951, + 0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3, + 0xc3b8358109e84f07, 0xa862f80ec4700c8, + 0xf4a642e14c6262c8, 0xcd27bb612758c0fa, + 0x98e7e9cccfbd7dbd, 0x8038d51cb897789c, + 0xbf21e44003acdd2c, 0xe0470a63e6bd56c3, + 0xeeea5d5004981478, 0x1858ccfce06cac74, + 0x95527a5202df0ccb, 0xf37801e0c43ebc8, + 0xbaa718e68396cffd, 0xd30560258f54e6ba, + 0xe950df20247c83fd, 0x47c6b82ef32a2069, + 0x91d28b7416cdd27e, 0x4cdc331d57fa5441, + 0xb6472e511c81471d, 0xe0133fe4adf8e952, + 0xe3d8f9e563a198e5, 0x58180fddd97723a6, + 0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648, + }; }; template -constexpr uint64_t powers_template::power_of_five_128[number_of_entries]; +constexpr uint64_t + powers_template::power_of_five_128[number_of_entries]; using powers = powers_template<>; diff --git a/include/fast_float/float_common.h b/include/fast_float/float_common.h index 33d5a61..ddee4ce 100644 --- a/include/fast_float/float_common.h +++ b/include/fast_float/float_common.h @@ -8,9 +8,9 @@ #include #include #ifdef __has_include - #if __has_include() && (__cplusplus > 202002L || _MSVC_LANG > 202002L) - #include - #endif +#if __has_include() && (__cplusplus > 202002L || _MSVC_LANG > 202002L) +#include +#endif #endif #include "constexpr_feature_detect.h" @@ -32,18 +32,16 @@ enum chars_format { general = fixed | scientific }; -template -struct from_chars_result_t { - UC const* ptr; +template struct from_chars_result_t { + UC const *ptr; std::errc ec; }; using from_chars_result = from_chars_result_t; -template -struct parse_options_t { +template struct parse_options_t { constexpr explicit parse_options_t(chars_format fmt = chars_format::general, - UC dot = UC('.')) - : format(fmt), decimal_point(dot) {} + UC dot = UC('.')) + : format(fmt), decimal_point(dot) {} /** Which number formats are accepted */ chars_format format; @@ -52,39 +50,40 @@ struct parse_options_t { }; using parse_options = parse_options_t; -} +} // namespace fast_float #if FASTFLOAT_HAS_BIT_CAST #include #endif -#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) \ - || defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) \ - || defined(__MINGW64__) \ - || defined(__s390x__) \ - || (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || defined(__PPC64LE__)) \ - || defined(__loongarch64) ) +#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \ + defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) || \ + defined(__MINGW64__) || defined(__s390x__) || \ + (defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || \ + defined(__PPC64LE__)) || \ + defined(__loongarch64)) #define FASTFLOAT_64BIT 1 -#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) \ - || defined(__arm__) || defined(_M_ARM) || defined(__ppc__) \ - || defined(__MINGW32__) || defined(__EMSCRIPTEN__)) +#elif (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ + defined(__arm__) || defined(_M_ARM) || defined(__ppc__) || \ + defined(__MINGW32__) || defined(__EMSCRIPTEN__)) #define FASTFLOAT_32BIT 1 #else // Need to check incrementally, since SIZE_MAX is a size_t, avoid overflow. - // We can never tell the register width, but the SIZE_MAX is a good approximation. - // UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max portability. - #if SIZE_MAX == 0xffff - #error Unknown platform (16-bit, unsupported) - #elif SIZE_MAX == 0xffffffff - #define FASTFLOAT_32BIT 1 - #elif SIZE_MAX == 0xffffffffffffffff - #define FASTFLOAT_64BIT 1 - #else - #error Unknown platform (not 32-bit, not 64-bit?) - #endif +// We can never tell the register width, but the SIZE_MAX is a good +// approximation. UINTPTR_MAX and INTPTR_MAX are optional, so avoid them for max +// portability. +#if SIZE_MAX == 0xffff +#error Unknown platform (16-bit, unsupported) +#elif SIZE_MAX == 0xffffffff +#define FASTFLOAT_32BIT 1 +#elif SIZE_MAX == 0xffffffffffffffff +#define FASTFLOAT_64BIT 1 +#else +#error Unknown platform (not 32-bit, not 64-bit?) +#endif #endif -#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) || \ +#if ((defined(_WIN32) || defined(_WIN64)) && !defined(__clang__)) || \ (defined(_M_ARM64) && !defined(__MINGW32__)) #include #endif @@ -129,9 +128,9 @@ using parse_options = parse_options_t; #endif #endif -#if defined(__SSE2__) || \ - (defined(FASTFLOAT_VISUAL_STUDIO) && \ - (defined(_M_AMD64) || defined(_M_X64) || (defined(_M_IX86_FP) && _M_IX86_FP == 2))) +#if defined(__SSE2__) || (defined(FASTFLOAT_VISUAL_STUDIO) && \ + (defined(_M_AMD64) || defined(_M_X64) || \ + (defined(_M_IX86_FP) && _M_IX86_FP == 2))) #define FASTFLOAT_SSE2 1 #endif @@ -145,22 +144,19 @@ using parse_options = parse_options_t; #if defined(__GNUC__) // disable -Wcast-align=strict (GCC only) -#define FASTFLOAT_SIMD_DISABLE_WARNINGS \ - _Pragma("GCC diagnostic push") \ - _Pragma("GCC diagnostic ignored \"-Wcast-align\"") +#define FASTFLOAT_SIMD_DISABLE_WARNINGS \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wcast-align\"") #else #define FASTFLOAT_SIMD_DISABLE_WARNINGS #endif #if defined(__GNUC__) -#define FASTFLOAT_SIMD_RESTORE_WARNINGS \ - _Pragma("GCC diagnostic pop") +#define FASTFLOAT_SIMD_RESTORE_WARNINGS _Pragma("GCC diagnostic pop") #else #define FASTFLOAT_SIMD_RESTORE_WARNINGS #endif - - #ifdef FASTFLOAT_VISUAL_STUDIO #define fastfloat_really_inline __forceinline #else @@ -168,18 +164,24 @@ using parse_options = parse_options_t; #endif #ifndef FASTFLOAT_ASSERT -#define FASTFLOAT_ASSERT(x) { ((void)(x)); } +#define FASTFLOAT_ASSERT(x) \ + { ((void)(x)); } #endif #ifndef FASTFLOAT_DEBUG_ASSERT -#define FASTFLOAT_DEBUG_ASSERT(x) { ((void)(x)); } +#define FASTFLOAT_DEBUG_ASSERT(x) \ + { ((void)(x)); } #endif // rust style `try!()` macro, or `?` operator -#define FASTFLOAT_TRY(x) { if (!(x)) return false; } - -#define FASTFLOAT_ENABLE_IF(...) typename std::enable_if<(__VA_ARGS__), int>::type +#define FASTFLOAT_TRY(x) \ + { \ + if (!(x)) \ + return false; \ + } +#define FASTFLOAT_ENABLE_IF(...) \ + typename std::enable_if<(__VA_ARGS__), int>::type namespace fast_float { @@ -195,27 +197,24 @@ template fastfloat_really_inline constexpr bool is_supported_float_type() { return std::is_same::value || std::is_same::value #if __STDCPP_FLOAT32_T__ - || std::is_same::value + || std::is_same::value #endif #if __STDCPP_FLOAT64_T__ - || std::is_same::value + || std::is_same::value #endif - ; + ; } template fastfloat_really_inline constexpr bool is_supported_char_type() { - return - std::is_same::value || - std::is_same::value || - std::is_same::value || - std::is_same::value; + return std::is_same::value || std::is_same::value || + std::is_same::value || std::is_same::value; } // Compares two ASCII strings in a case insensitive manner. template inline FASTFLOAT_CONSTEXPR14 bool -fastfloat_strncasecmp(UC const * input1, UC const * input2, size_t length) { +fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length) { char running_diff{0}; for (size_t i = 0; i < length; ++i) { running_diff |= (char(input1[i]) ^ char(input2[i])); @@ -228,18 +227,15 @@ fastfloat_strncasecmp(UC const * input1, UC const * input2, size_t length) { #endif // a pointer and a length to a contiguous block of memory -template -struct span { - const T* ptr; +template struct span { + const T *ptr; size_t length; - constexpr span(const T* _ptr, size_t _length) : ptr(_ptr), length(_length) {} + constexpr span(const T *_ptr, size_t _length) : ptr(_ptr), length(_length) {} constexpr span() : ptr(nullptr), length(0) {} - constexpr size_t len() const noexcept { - return length; - } + constexpr size_t len() const noexcept { return length; } - FASTFLOAT_CONSTEXPR14 const T& operator[](size_t index) const noexcept { + FASTFLOAT_CONSTEXPR14 const T &operator[](size_t index) const noexcept { FASTFLOAT_DEBUG_ASSERT(index < length); return ptr[index]; } @@ -253,34 +249,51 @@ struct value128 { }; /* Helper C++14 constexpr generic implementation of leading_zeroes */ -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -int leading_zeroes_generic(uint64_t input_num, int last_bit = 0) { - if(input_num & uint64_t(0xffffffff00000000)) { input_num >>= 32; last_bit |= 32; } - if(input_num & uint64_t( 0xffff0000)) { input_num >>= 16; last_bit |= 16; } - if(input_num & uint64_t( 0xff00)) { input_num >>= 8; last_bit |= 8; } - if(input_num & uint64_t( 0xf0)) { input_num >>= 4; last_bit |= 4; } - if(input_num & uint64_t( 0xc)) { input_num >>= 2; last_bit |= 2; } - if(input_num & uint64_t( 0x2)) { /* input_num >>= 1; */ last_bit |= 1; } - return 63 - last_bit; +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 int +leading_zeroes_generic(uint64_t input_num, int last_bit = 0) { + if (input_num & uint64_t(0xffffffff00000000)) { + input_num >>= 32; + last_bit |= 32; + } + if (input_num & uint64_t(0xffff0000)) { + input_num >>= 16; + last_bit |= 16; + } + if (input_num & uint64_t(0xff00)) { + input_num >>= 8; + last_bit |= 8; + } + if (input_num & uint64_t(0xf0)) { + input_num >>= 4; + last_bit |= 4; + } + if (input_num & uint64_t(0xc)) { + input_num >>= 2; + last_bit |= 2; + } + if (input_num & uint64_t(0x2)) { /* input_num >>= 1; */ + last_bit |= 1; + } + return 63 - last_bit; } /* result might be undefined when input_num is zero */ -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -int leading_zeroes(uint64_t input_num) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 int +leading_zeroes(uint64_t input_num) { assert(input_num > 0); if (cpp20_and_in_constexpr()) { return leading_zeroes_generic(input_num); } #ifdef FASTFLOAT_VISUAL_STUDIO - #if defined(_M_X64) || defined(_M_ARM64) +#if defined(_M_X64) || defined(_M_ARM64) unsigned long leading_zero = 0; // Search the mask data from most significant bit (MSB) // to least significant bit (LSB) for a set bit (1). _BitScanReverse64(&leading_zero, input_num); return (int)(63 - leading_zero); - #else +#else return leading_zeroes_generic(input_num); - #endif +#endif #else return __builtin_clzll(input_num); #endif @@ -288,11 +301,11 @@ int leading_zeroes(uint64_t input_num) { // slow emulation routine for 32-bit fastfloat_really_inline constexpr uint64_t emulu(uint32_t x, uint32_t y) { - return x * (uint64_t)y; + return x * (uint64_t)y; } -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t +umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { uint64_t ad = emulu((uint32_t)(ab >> 32), (uint32_t)cd); uint64_t bd = emulu((uint32_t)ab, (uint32_t)cd); uint64_t adbc = ad + emulu((uint32_t)ab, (uint32_t)(cd >> 32)); @@ -307,18 +320,18 @@ uint64_t umul128_generic(uint64_t ab, uint64_t cd, uint64_t *hi) { // slow emulation routine for 32-bit #if !defined(__MINGW64__) -fastfloat_really_inline FASTFLOAT_CONSTEXPR14 -uint64_t _umul128(uint64_t ab, uint64_t cd, uint64_t *hi) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint64_t _umul128(uint64_t ab, + uint64_t cd, + uint64_t *hi) { return umul128_generic(ab, cd, hi); } #endif // !__MINGW64__ #endif // FASTFLOAT_32BIT - // compute 64-bit a*b -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -value128 full_multiplication(uint64_t a, uint64_t b) { +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128 +full_multiplication(uint64_t a, uint64_t b) { if (cpp20_and_in_constexpr()) { value128 answer; answer.low = umul128_generic(a, b, &answer.high); @@ -360,22 +373,24 @@ constexpr static int32_t invalid_am_bias = -0x8000; // used for binary_format_lookup_tables::max_mantissa constexpr uint64_t constant_55555 = 5 * 5 * 5 * 5 * 5; -template -struct binary_format_lookup_tables; +template struct binary_format_lookup_tables; template struct binary_format : binary_format_lookup_tables { - using equiv_uint = typename std::conditional::type; + using equiv_uint = + typename std::conditional::type; static inline constexpr int mantissa_explicit_bits(); static inline constexpr int minimum_exponent(); static inline constexpr int infinite_power(); static inline constexpr int sign_index(); - static inline constexpr int min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST + static inline constexpr int + min_exponent_fast_path(); // used when fegetround() == FE_TONEAREST static inline constexpr int max_exponent_fast_path(); static inline constexpr int max_exponent_round_to_even(); static inline constexpr int min_exponent_round_to_even(); static inline constexpr uint64_t max_mantissa_fast_path(int64_t power); - static inline constexpr uint64_t max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST + static inline constexpr uint64_t + max_mantissa_fast_path(); // used when fegetround() == FE_TONEAREST static inline constexpr int largest_power_of_ten(); static inline constexpr int smallest_power_of_ten(); static inline constexpr T exact_power_of_ten(int64_t power); @@ -385,8 +400,7 @@ template struct binary_format : binary_format_lookup_tables { static inline constexpr equiv_uint hidden_bit_mask(); }; -template -struct binary_format_lookup_tables { +template struct binary_format_lookup_tables { static constexpr double powers_of_ten[] = { 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, 1e20, 1e21, 1e22}; @@ -410,14 +424,22 @@ struct binary_format_lookup_tables { 0x20000000000000 / (constant_55555 * constant_55555 * 5 * 5 * 5), 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555), 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), - 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5)}; + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * 5 * 5 * 5 * 5), + 0x20000000000000 / + (constant_55555 * constant_55555 * constant_55555 * constant_55555), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5 * 5), + 0x20000000000000 / (constant_55555 * constant_55555 * constant_55555 * + constant_55555 * 5 * 5 * 5 * 5)}; }; template @@ -426,26 +448,25 @@ constexpr double binary_format_lookup_tables::powers_of_ten[]; template constexpr uint64_t binary_format_lookup_tables::max_mantissa[]; -template -struct binary_format_lookup_tables { +template struct binary_format_lookup_tables { static constexpr float powers_of_ten[] = {1e0f, 1e1f, 1e2f, 1e3f, 1e4f, 1e5f, - 1e6f, 1e7f, 1e8f, 1e9f, 1e10f}; + 1e6f, 1e7f, 1e8f, 1e9f, 1e10f}; // Largest integer value v so that (5**index * v) <= 1<<24. // 0x1000000 == 1<<24 static constexpr uint64_t max_mantissa[] = { - 0x1000000, - 0x1000000 / 5, - 0x1000000 / (5 * 5), - 0x1000000 / (5 * 5 * 5), - 0x1000000 / (5 * 5 * 5 * 5), - 0x1000000 / (constant_55555), - 0x1000000 / (constant_55555 * 5), - 0x1000000 / (constant_55555 * 5 * 5), - 0x1000000 / (constant_55555 * 5 * 5 * 5), - 0x1000000 / (constant_55555 * 5 * 5 * 5 * 5), - 0x1000000 / (constant_55555 * constant_55555), - 0x1000000 / (constant_55555 * constant_55555 * 5)}; + 0x1000000, + 0x1000000 / 5, + 0x1000000 / (5 * 5), + 0x1000000 / (5 * 5 * 5), + 0x1000000 / (5 * 5 * 5 * 5), + 0x1000000 / (constant_55555), + 0x1000000 / (constant_55555 * 5), + 0x1000000 / (constant_55555 * 5 * 5), + 0x1000000 / (constant_55555 * 5 * 5 * 5), + 0x1000000 / (constant_55555 * 5 * 5 * 5 * 5), + 0x1000000 / (constant_55555 * constant_55555), + 0x1000000 / (constant_55555 * constant_55555 * 5)}; }; template @@ -454,7 +475,8 @@ constexpr float binary_format_lookup_tables::powers_of_ten[]; template constexpr uint64_t binary_format_lookup_tables::max_mantissa[]; -template <> inline constexpr int binary_format::min_exponent_fast_path() { +template <> +inline constexpr int binary_format::min_exponent_fast_path() { #if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0) return 0; #else @@ -462,7 +484,8 @@ template <> inline constexpr int binary_format::min_exponent_fast_path() #endif } -template <> inline constexpr int binary_format::min_exponent_fast_path() { +template <> +inline constexpr int binary_format::min_exponent_fast_path() { #if (FLT_EVAL_METHOD != 1) && (FLT_EVAL_METHOD != 0) return 0; #else @@ -470,26 +493,32 @@ template <> inline constexpr int binary_format::min_exponent_fast_path() #endif } -template <> inline constexpr int binary_format::mantissa_explicit_bits() { +template <> +inline constexpr int binary_format::mantissa_explicit_bits() { return 52; } -template <> inline constexpr int binary_format::mantissa_explicit_bits() { +template <> +inline constexpr int binary_format::mantissa_explicit_bits() { return 23; } -template <> inline constexpr int binary_format::max_exponent_round_to_even() { +template <> +inline constexpr int binary_format::max_exponent_round_to_even() { return 23; } -template <> inline constexpr int binary_format::max_exponent_round_to_even() { +template <> +inline constexpr int binary_format::max_exponent_round_to_even() { return 10; } -template <> inline constexpr int binary_format::min_exponent_round_to_even() { +template <> +inline constexpr int binary_format::min_exponent_round_to_even() { return -4; } -template <> inline constexpr int binary_format::min_exponent_round_to_even() { +template <> +inline constexpr int binary_format::min_exponent_round_to_even() { return -17; } @@ -507,30 +536,42 @@ template <> inline constexpr int binary_format::infinite_power() { return 0xFF; } -template <> inline constexpr int binary_format::sign_index() { return 63; } -template <> inline constexpr int binary_format::sign_index() { return 31; } +template <> inline constexpr int binary_format::sign_index() { + return 63; +} +template <> inline constexpr int binary_format::sign_index() { + return 31; +} -template <> inline constexpr int binary_format::max_exponent_fast_path() { +template <> +inline constexpr int binary_format::max_exponent_fast_path() { return 22; } -template <> inline constexpr int binary_format::max_exponent_fast_path() { +template <> +inline constexpr int binary_format::max_exponent_fast_path() { return 10; } -template <> inline constexpr uint64_t binary_format::max_mantissa_fast_path() { +template <> +inline constexpr uint64_t binary_format::max_mantissa_fast_path() { return uint64_t(2) << mantissa_explicit_bits(); } -template <> inline constexpr uint64_t binary_format::max_mantissa_fast_path(int64_t power) { +template <> +inline constexpr uint64_t +binary_format::max_mantissa_fast_path(int64_t power) { // caller is responsible to ensure that // power >= 0 && power <= 22 // // Work around clang bug https://godbolt.org/z/zedh7rrhc return (void)max_mantissa[0], max_mantissa[power]; } -template <> inline constexpr uint64_t binary_format::max_mantissa_fast_path() { +template <> +inline constexpr uint64_t binary_format::max_mantissa_fast_path() { return uint64_t(2) << mantissa_explicit_bits(); } -template <> inline constexpr uint64_t binary_format::max_mantissa_fast_path(int64_t power) { +template <> +inline constexpr uint64_t +binary_format::max_mantissa_fast_path(int64_t power) { // caller is responsible to ensure that // power >= 0 && power <= 10 // @@ -539,7 +580,8 @@ template <> inline constexpr uint64_t binary_format::max_mantissa_fast_pa } template <> -inline constexpr double binary_format::exact_power_of_ten(int64_t power) { +inline constexpr double +binary_format::exact_power_of_ten(int64_t power) { // Work around clang bug https://godbolt.org/z/zedh7rrhc return (void)powers_of_ten[0], powers_of_ten[power]; } @@ -549,13 +591,10 @@ inline constexpr float binary_format::exact_power_of_ten(int64_t power) { return (void)powers_of_ten[0], powers_of_ten[power]; } - -template <> -inline constexpr int binary_format::largest_power_of_ten() { +template <> inline constexpr int binary_format::largest_power_of_ten() { return 308; } -template <> -inline constexpr int binary_format::largest_power_of_ten() { +template <> inline constexpr int binary_format::largest_power_of_ten() { return 38; } @@ -563,8 +602,7 @@ template <> inline constexpr int binary_format::smallest_power_of_ten() { return -342; } -template <> -inline constexpr int binary_format::smallest_power_of_ten() { +template <> inline constexpr int binary_format::smallest_power_of_ten() { return -64; } @@ -575,39 +613,46 @@ template <> inline constexpr size_t binary_format::max_digits() { return 114; } -template <> inline constexpr binary_format::equiv_uint - binary_format::exponent_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::exponent_mask() { return 0x7F800000; } -template <> inline constexpr binary_format::equiv_uint - binary_format::exponent_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::exponent_mask() { return 0x7FF0000000000000; } -template <> inline constexpr binary_format::equiv_uint - binary_format::mantissa_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::mantissa_mask() { return 0x007FFFFF; } -template <> inline constexpr binary_format::equiv_uint - binary_format::mantissa_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::mantissa_mask() { return 0x000FFFFFFFFFFFFF; } -template <> inline constexpr binary_format::equiv_uint - binary_format::hidden_bit_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::hidden_bit_mask() { return 0x00800000; } -template <> inline constexpr binary_format::equiv_uint - binary_format::hidden_bit_mask() { +template <> +inline constexpr binary_format::equiv_uint +binary_format::hidden_bit_mask() { return 0x0010000000000000; } -template -fastfloat_really_inline FASTFLOAT_CONSTEXPR20 -void to_float(bool negative, adjusted_mantissa am, T &value) { +template +fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void +to_float(bool negative, adjusted_mantissa am, T &value) { using fastfloat_uint = typename binary_format::equiv_uint; fastfloat_uint word = (fastfloat_uint)am.mantissa; - word |= fastfloat_uint(am.power2) << binary_format::mantissa_explicit_bits(); + word |= fastfloat_uint(am.power2) + << binary_format::mantissa_explicit_bits(); word |= fastfloat_uint(negative) << binary_format::sign_index(); #if FASTFLOAT_HAS_BIT_CAST value = std::bit_cast(word); @@ -617,151 +662,123 @@ void to_float(bool negative, adjusted_mantissa am, T &value) { } #ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default -template -struct space_lut { +template struct space_lut { static constexpr bool value[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; }; -template -constexpr bool space_lut::value[]; +template constexpr bool space_lut::value[]; inline constexpr bool is_space(uint8_t c) { return space_lut<>::value[c]; } #endif -template -static constexpr uint64_t int_cmp_zeros() -{ - static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4), "Unsupported character size"); - return (sizeof(UC) == 1) ? 0x3030303030303030 : (sizeof(UC) == 2) ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 | uint64_t(UC('0')) << 16 | UC('0')) : (uint64_t(UC('0')) << 32 | UC('0')); +template static constexpr uint64_t int_cmp_zeros() { + static_assert((sizeof(UC) == 1) || (sizeof(UC) == 2) || (sizeof(UC) == 4), + "Unsupported character size"); + return (sizeof(UC) == 1) ? 0x3030303030303030 + : (sizeof(UC) == 2) + ? (uint64_t(UC('0')) << 48 | uint64_t(UC('0')) << 32 | + uint64_t(UC('0')) << 16 | UC('0')) + : (uint64_t(UC('0')) << 32 | UC('0')); } -template -static constexpr int int_cmp_len() -{ - return sizeof(uint64_t) / sizeof(UC); +template static constexpr int int_cmp_len() { + return sizeof(uint64_t) / sizeof(UC); } -template -static constexpr UC const * str_const_nan() -{ - return nullptr; +template static constexpr UC const *str_const_nan() { + return nullptr; } -template<> -constexpr char const * str_const_nan() -{ - return "nan"; +template <> constexpr char const *str_const_nan() { return "nan"; } +template <> constexpr wchar_t const *str_const_nan() { return L"nan"; } +template <> constexpr char16_t const *str_const_nan() { + return u"nan"; } -template<> -constexpr wchar_t const * str_const_nan() -{ - return L"nan"; +template <> constexpr char32_t const *str_const_nan() { + return U"nan"; } -template<> -constexpr char16_t const * str_const_nan() -{ - return u"nan"; +template static constexpr UC const *str_const_inf() { + return nullptr; } -template<> -constexpr char32_t const * str_const_nan() -{ - return U"nan"; +template <> constexpr char const *str_const_inf() { return "infinity"; } +template <> constexpr wchar_t const *str_const_inf() { + return L"infinity"; } -template -static constexpr UC const * str_const_inf() -{ - return nullptr; +template <> constexpr char16_t const *str_const_inf() { + return u"infinity"; } -template<> -constexpr char const * str_const_inf() -{ - return "infinity"; -} -template<> -constexpr wchar_t const * str_const_inf() -{ - return L"infinity"; -} -template<> -constexpr char16_t const * str_const_inf() -{ - return u"infinity"; -} -template<> -constexpr char32_t const * str_const_inf() -{ - return U"infinity"; +template <> constexpr char32_t const *str_const_inf() { + return U"infinity"; } - -template -struct int_luts { +template struct int_luts { static constexpr uint8_t chdigit[] = { - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, 255, 255, 255, 255, - 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 255, 255, 255, 255, 255, - 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 - }; + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, 255, + 255, 255, 255, 255, 255, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 255, 255, 255, 255, 255, 255, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255}; static constexpr size_t maxdigits_u64[] = { - 64, 41, 32, 28, 25, 23, 22, 21, - 20, 19, 18, 18, 17, 17, 16, 16, - 16, 16, 15, 15, 15, 15, 14, 14, - 14, 14, 14, 14, 14, 13, 13, 13, - 13, 13, 13 - }; + 64, 41, 32, 28, 25, 23, 22, 21, 20, 19, 18, 18, 17, 17, 16, 16, 16, 16, + 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13}; static constexpr uint64_t min_safe_u64[] = { - 9223372036854775808ull, 12157665459056928801ull, 4611686018427387904, 7450580596923828125, 4738381338321616896, - 3909821048582988049, 9223372036854775808ull, 12157665459056928801ull, 10000000000000000000ull, 5559917313492231481, - 2218611106740436992, 8650415919381337933, 2177953337809371136, 6568408355712890625, 1152921504606846976, - 2862423051509815793, 6746640616477458432, 15181127029874798299ull, 1638400000000000000, 3243919932521508681, - 6221821273427820544, 11592836324538749809ull, 876488338465357824, 1490116119384765625, 2481152873203736576, - 4052555153018976267, 6502111422497947648, 10260628712958602189ull, 15943230000000000000ull, 787662783788549761, - 1152921504606846976, 1667889514952984961, 2386420683693101056, 3379220508056640625, 4738381338321616896 - }; + 9223372036854775808ull, 12157665459056928801ull, 4611686018427387904, + 7450580596923828125, 4738381338321616896, 3909821048582988049, + 9223372036854775808ull, 12157665459056928801ull, 10000000000000000000ull, + 5559917313492231481, 2218611106740436992, 8650415919381337933, + 2177953337809371136, 6568408355712890625, 1152921504606846976, + 2862423051509815793, 6746640616477458432, 15181127029874798299ull, + 1638400000000000000, 3243919932521508681, 6221821273427820544, + 11592836324538749809ull, 876488338465357824, 1490116119384765625, + 2481152873203736576, 4052555153018976267, 6502111422497947648, + 10260628712958602189ull, 15943230000000000000ull, 787662783788549761, + 1152921504606846976, 1667889514952984961, 2386420683693101056, + 3379220508056640625, 4738381338321616896}; }; -template -constexpr uint8_t int_luts::chdigit[]; +template constexpr uint8_t int_luts::chdigit[]; -template -constexpr size_t int_luts::maxdigits_u64[]; +template constexpr size_t int_luts::maxdigits_u64[]; -template -constexpr uint64_t int_luts::min_safe_u64[]; +template constexpr uint64_t int_luts::min_safe_u64[]; template -fastfloat_really_inline -constexpr uint8_t ch_to_digit(UC c) { return int_luts<>::chdigit[static_cast(c)]; } +fastfloat_really_inline constexpr uint8_t ch_to_digit(UC c) { + return int_luts<>::chdigit[static_cast(c)]; +} -fastfloat_really_inline -constexpr size_t max_digits_u64(int base) { return int_luts<>::maxdigits_u64[base - 2]; } +fastfloat_really_inline constexpr size_t max_digits_u64(int base) { + return int_luts<>::maxdigits_u64[base - 2]; +} // If a u64 is exactly max_digits_u64() in length, this is -// the value below which it has definitely overflowed. -fastfloat_really_inline -constexpr uint64_t min_safe_u64(int base) { return int_luts<>::min_safe_u64[base - 2]; } +// the value below which it has definitely overflowed. +fastfloat_really_inline constexpr uint64_t min_safe_u64(int base) { + return int_luts<>::min_safe_u64[base - 2]; +} } // namespace fast_float diff --git a/include/fast_float/parse_number.h b/include/fast_float/parse_number.h index 57bcf46..6d883fb 100644 --- a/include/fast_float/parse_number.h +++ b/include/fast_float/parse_number.h @@ -12,7 +12,6 @@ #include namespace fast_float { - namespace detail { /** * Special case +inf, -inf, nan, infinity, -infinity. @@ -20,45 +19,53 @@ namespace detail { * strings a null-free and fixed. **/ template -from_chars_result_t FASTFLOAT_CONSTEXPR14 -parse_infnan(UC const * first, UC const * last, T &value) noexcept { +from_chars_result_t FASTFLOAT_CONSTEXPR14 parse_infnan(UC const *first, + UC const *last, + T &value) noexcept { from_chars_result_t answer{}; answer.ptr = first; answer.ec = std::errc(); // be optimistic bool minusSign = false; - if (*first == UC('-')) { // assume first < last, so dereference without checks; C++17 20.19.3.(7.1) explicitly forbids '+' here - minusSign = true; - ++first; + if (*first == + UC('-')) { // assume first < last, so dereference without checks; + // C++17 20.19.3.(7.1) explicitly forbids '+' here + minusSign = true; + ++first; } #ifdef FASTFLOAT_ALLOWS_LEADING_PLUS // disabled by default if (*first == UC('+')) { - ++first; + ++first; } #endif if (last - first >= 3) { if (fastfloat_strncasecmp(first, str_const_nan(), 3)) { answer.ptr = (first += 3); - value = minusSign ? -std::numeric_limits::quiet_NaN() : std::numeric_limits::quiet_NaN(); - // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7, C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan). - if(first != last && *first == UC('(')) { - for(UC const * ptr = first + 1; ptr != last; ++ptr) { + value = minusSign ? -std::numeric_limits::quiet_NaN() + : std::numeric_limits::quiet_NaN(); + // Check for possible nan(n-char-seq-opt), C++17 20.19.3.7, + // C11 7.20.1.3.3. At least MSVC produces nan(ind) and nan(snan). + if (first != last && *first == UC('(')) { + for (UC const *ptr = first + 1; ptr != last; ++ptr) { if (*ptr == UC(')')) { answer.ptr = ptr + 1; // valid nan(n-char-seq-opt) break; - } - else if(!((UC('a') <= *ptr && *ptr <= UC('z')) || (UC('A') <= *ptr && *ptr <= UC('Z')) || (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_'))) + } else if (!((UC('a') <= *ptr && *ptr <= UC('z')) || + (UC('A') <= *ptr && *ptr <= UC('Z')) || + (UC('0') <= *ptr && *ptr <= UC('9')) || *ptr == UC('_'))) break; // forbidden char, not nan(n-char-seq-opt) } } return answer; } if (fastfloat_strncasecmp(first, str_const_inf(), 3)) { - if ((last - first >= 8) && fastfloat_strncasecmp(first + 3, str_const_inf() + 3, 5)) { + if ((last - first >= 8) && + fastfloat_strncasecmp(first + 3, str_const_inf() + 3, 5)) { answer.ptr = first + 8; } else { answer.ptr = first + 3; } - value = minusSign ? -std::numeric_limits::infinity() : std::numeric_limits::infinity(); + value = minusSign ? -std::numeric_limits::infinity() + : std::numeric_limits::infinity(); return answer; } } @@ -88,71 +95,69 @@ fastfloat_really_inline bool rounds_to_nearest() noexcept { // // The volatile keywoard prevents the compiler from computing the function // at compile-time. - // There might be other ways to prevent compile-time optimizations (e.g., asm). - // The value does not need to be std::numeric_limits::min(), any small - // value so that 1 + x should round to 1 would do (after accounting for excess - // precision, as in 387 instructions). + // There might be other ways to prevent compile-time optimizations (e.g., + // asm). The value does not need to be std::numeric_limits::min(), any + // small value so that 1 + x should round to 1 would do (after accounting for + // excess precision, as in 387 instructions). static volatile float fmin = std::numeric_limits::min(); float fmini = fmin; // we copy it so that it gets loaded at most once. - // - // Explanation: - // Only when fegetround() == FE_TONEAREST do we have that - // fmin + 1.0f == 1.0f - fmin. - // - // FE_UPWARD: - // fmin + 1.0f > 1 - // 1.0f - fmin == 1 - // - // FE_DOWNWARD or FE_TOWARDZERO: - // fmin + 1.0f == 1 - // 1.0f - fmin < 1 - // - // Note: This may fail to be accurate if fast-math has been - // enabled, as rounding conventions may not apply. - #ifdef FASTFLOAT_VISUAL_STUDIO - # pragma warning(push) - // todo: is there a VS warning? - // see https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013 - #elif defined(__clang__) - # pragma clang diagnostic push - # pragma clang diagnostic ignored "-Wfloat-equal" - #elif defined(__GNUC__) - # pragma GCC diagnostic push - # pragma GCC diagnostic ignored "-Wfloat-equal" - #endif +// +// Explanation: +// Only when fegetround() == FE_TONEAREST do we have that +// fmin + 1.0f == 1.0f - fmin. +// +// FE_UPWARD: +// fmin + 1.0f > 1 +// 1.0f - fmin == 1 +// +// FE_DOWNWARD or FE_TOWARDZERO: +// fmin + 1.0f == 1 +// 1.0f - fmin < 1 +// +// Note: This may fail to be accurate if fast-math has been +// enabled, as rounding conventions may not apply. +#ifdef FASTFLOAT_VISUAL_STUDIO +#pragma warning(push) +// todo: is there a VS warning? +// see +// https://stackoverflow.com/questions/46079446/is-there-a-warning-for-floating-point-equality-checking-in-visual-studio-2013 +#elif defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wfloat-equal" +#elif defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wfloat-equal" +#endif return (fmini + 1.0f == 1.0f - fmini); - #ifdef FASTFLOAT_VISUAL_STUDIO - # pragma warning(pop) - #elif defined(__clang__) - # pragma clang diagnostic pop - #elif defined(__GNUC__) - # pragma GCC diagnostic pop - #endif +#ifdef FASTFLOAT_VISUAL_STUDIO +#pragma warning(pop) +#elif defined(__clang__) +#pragma clang diagnostic pop +#elif defined(__GNUC__) +#pragma GCC diagnostic pop +#endif } } // namespace detail -template -struct from_chars_caller -{ +template struct from_chars_caller { template - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t call(UC const * first, UC const * last, - T &value, parse_options_t options) noexcept { + FASTFLOAT_CONSTEXPR20 static from_chars_result_t + call(UC const *first, UC const *last, T &value, + parse_options_t options) noexcept { return from_chars_advanced(first, last, value, options); } }; #if __STDCPP_FLOAT32_T__ == 1 -template <> -struct from_chars_caller -{ +template <> struct from_chars_caller { template - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t call(UC const * first, UC const * last, - std::float32_t &value, parse_options_t options) noexcept{ - // if std::float32_t is defined, and we are in C++23 mode; macro set for float32; - // set value to float due to equivalence between float and float32_t + FASTFLOAT_CONSTEXPR20 static from_chars_result_t + call(UC const *first, UC const *last, std::float32_t &value, + parse_options_t options) noexcept { + // if std::float32_t is defined, and we are in C++23 mode; macro set for + // float32; set value to float due to equivalence between float and + // float32_t float val; auto ret = from_chars_advanced(first, last, val, options); value = val; @@ -162,15 +167,14 @@ struct from_chars_caller #endif #if __STDCPP_FLOAT64_T__ == 1 -template <> -struct from_chars_caller -{ +template <> struct from_chars_caller { template - FASTFLOAT_CONSTEXPR20 - static from_chars_result_t call(UC const * first, UC const * last, - std::float64_t &value, parse_options_t options) noexcept{ - // if std::float64_t is defined, and we are in C++23 mode; macro set for float64; - // set value as double due to equivalence between double and float64_t + FASTFLOAT_CONSTEXPR20 static from_chars_result_t + call(UC const *first, UC const *last, std::float64_t &value, + parse_options_t options) noexcept { + // if std::float64_t is defined, and we are in C++23 mode; macro set for + // float64; set value as double due to equivalence between double and + // float64_t double val; auto ret = from_chars_advanced(first, last, val, options); value = val; @@ -179,26 +183,27 @@ struct from_chars_caller }; #endif - -template -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars(UC const * first, UC const * last, - T &value, chars_format fmt /*= chars_format::general*/) noexcept { - return from_chars_caller::call(first, last, value, parse_options_t(fmt)); +template +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars(UC const *first, UC const *last, T &value, + chars_format fmt /*= chars_format::general*/) noexcept { + return from_chars_caller::call(first, last, value, + parse_options_t(fmt)); } /** - * This function overload takes parsed_number_string_t structure that is created and populated - * either by from_chars_advanced function taking chars range and parsing options - * or other parsing custom function implemented by user. + * This function overload takes parsed_number_string_t structure that is created + * and populated either by from_chars_advanced function taking chars range and + * parsing options or other parsing custom function implemented by user. */ -template -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars_advanced(parsed_number_string_t& pns, - T &value) noexcept { +template +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars_advanced(parsed_number_string_t &pns, T &value) noexcept { - static_assert (is_supported_float_type(), "only some floating-point types are supported"); - static_assert (is_supported_char_type(), "only char, wchar_t, char16_t and char32_t are supported"); + static_assert(is_supported_float_type(), + "only some floating-point types are supported"); + static_assert(is_supported_char_type(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t answer; @@ -207,9 +212,11 @@ from_chars_result_t from_chars_advanced(parsed_number_string_t& pns, // The implementation of the Clinger's fast path is convoluted because // we want round-to-nearest in all cases, irrespective of the rounding mode // selected on the thread. - // We proceed optimistically, assuming that detail::rounds_to_nearest() returns - // true. - if (binary_format::min_exponent_fast_path() <= pns.exponent && pns.exponent <= binary_format::max_exponent_fast_path() && !pns.too_many_digits) { + // We proceed optimistically, assuming that detail::rounds_to_nearest() + // returns true. + if (binary_format::min_exponent_fast_path() <= pns.exponent && + pns.exponent <= binary_format::max_exponent_fast_path() && + !pns.too_many_digits) { // Unfortunately, the conventional Clinger's fast path is only possible // when the system rounds to the nearest float. // @@ -217,60 +224,78 @@ from_chars_result_t from_chars_advanced(parsed_number_string_t& pns, // We could check it first (before the previous branch), but // there might be performance advantages at having the check // be last. - if(!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) { + if (!cpp20_and_in_constexpr() && detail::rounds_to_nearest()) { // We have that fegetround() == FE_TONEAREST. // Next is Clinger's fast path. - if (pns.mantissa <=binary_format::max_mantissa_fast_path()) { + if (pns.mantissa <= binary_format::max_mantissa_fast_path()) { value = T(pns.mantissa); - if (pns.exponent < 0) { value = value / binary_format::exact_power_of_ten(-pns.exponent); } - else { value = value * binary_format::exact_power_of_ten(pns.exponent); } - if (pns.negative) { value = -value; } + if (pns.exponent < 0) { + value = value / binary_format::exact_power_of_ten(-pns.exponent); + } else { + value = value * binary_format::exact_power_of_ten(pns.exponent); + } + if (pns.negative) { + value = -value; + } return answer; } } else { // We do not have that fegetround() == FE_TONEAREST. - // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's proposal - if (pns.exponent >= 0 && pns.mantissa <=binary_format::max_mantissa_fast_path(pns.exponent)) { + // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's + // proposal + if (pns.exponent >= 0 && + pns.mantissa <= + binary_format::max_mantissa_fast_path(pns.exponent)) { #if defined(__clang__) || defined(FASTFLOAT_32BIT) // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD - if(pns.mantissa == 0) { + if (pns.mantissa == 0) { value = pns.negative ? T(-0.) : T(0.); return answer; } #endif - value = T(pns.mantissa) * binary_format::exact_power_of_ten(pns.exponent); - if (pns.negative) { value = -value; } + value = T(pns.mantissa) * + binary_format::exact_power_of_ten(pns.exponent); + if (pns.negative) { + value = -value; + } return answer; } } } - adjusted_mantissa am = compute_float>(pns.exponent, pns.mantissa); - if(pns.too_many_digits && am.power2 >= 0) { - if(am != compute_float>(pns.exponent, pns.mantissa + 1)) { + adjusted_mantissa am = + compute_float>(pns.exponent, pns.mantissa); + if (pns.too_many_digits && am.power2 >= 0) { + if (am != compute_float>(pns.exponent, pns.mantissa + 1)) { am = compute_error>(pns.exponent, pns.mantissa); } } - // If we called compute_float>(pns.exponent, pns.mantissa) and we have an invalid power (am.power2 < 0), - // then we need to go the long way around again. This is very uncommon. - if(am.power2 < 0) { am = digit_comp(pns, am); } + // If we called compute_float>(pns.exponent, pns.mantissa) + // and we have an invalid power (am.power2 < 0), then we need to go the long + // way around again. This is very uncommon. + if (am.power2 < 0) { + am = digit_comp(pns, am); + } to_float(pns.negative, am, value); // Test for over/underflow. - if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) || am.power2 == binary_format::infinite_power()) { + if ((pns.mantissa != 0 && am.mantissa == 0 && am.power2 == 0) || + am.power2 == binary_format::infinite_power()) { answer.ec = std::errc::result_out_of_range; } return answer; } -template -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars_advanced(UC const * first, UC const * last, - T &value, parse_options_t options) noexcept { +template +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars_advanced(UC const *first, UC const *last, T &value, + parse_options_t options) noexcept { - static_assert (is_supported_float_type(), "only some floating-point types are supported"); - static_assert (is_supported_char_type(), "only char, wchar_t, char16_t and char32_t are supported"); + static_assert(is_supported_float_type(), + "only some floating-point types are supported"); + static_assert(is_supported_char_type(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t answer; -#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default +#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default while ((first != last) && fast_float::is_space(uint8_t(*first))) { first++; } @@ -280,7 +305,8 @@ from_chars_result_t from_chars_advanced(UC const * first, UC const * last, answer.ptr = first; return answer; } - parsed_number_string_t pns = parse_number_string(first, last, options); + parsed_number_string_t pns = + parse_number_string(first, last, options); if (!pns.valid) { if (options.format & chars_format::no_infnan) { answer.ec = std::errc::invalid_argument; @@ -295,14 +321,14 @@ from_chars_result_t from_chars_advanced(UC const * first, UC const * last, return from_chars_advanced(pns, value); } - template -FASTFLOAT_CONSTEXPR20 -from_chars_result_t from_chars(UC const* first, UC const* last, T& value, int base) noexcept { - static_assert (is_supported_char_type(), "only char, wchar_t, char16_t and char32_t are supported"); +FASTFLOAT_CONSTEXPR20 from_chars_result_t +from_chars(UC const *first, UC const *last, T &value, int base) noexcept { + static_assert(is_supported_char_type(), + "only char, wchar_t, char16_t and char32_t are supported"); from_chars_result_t answer; -#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default +#ifdef FASTFLOAT_SKIP_WHITE_SPACE // disabled by default while ((first != last) && fast_float::is_space(uint8_t(*first))) { first++; } diff --git a/script/run-clangcldocker.sh b/script/run-clangcldocker.sh old mode 100644 new mode 100755 diff --git a/tests/basictest.cpp b/tests/basictest.cpp index 59f52ae..a66ccaf 100644 --- a/tests/basictest.cpp +++ b/tests/basictest.cpp @@ -39,12 +39,12 @@ #endif #endif - -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) #define FASTFLOAT_ODDPLATFORM 1 #endif #if defined __has_include -#if __has_include () +#if __has_include() #else // filesystem is not available #define FASTFLOAT_ODDPLATFORM 1 @@ -54,98 +54,98 @@ #define FASTFLOAT_ODDPLATFORM 1 #endif - #define iHexAndDec(v) std::hex << "0x" << (v) << " (" << std::dec << (v) << ")" -#define fHexAndDec(v) std::hexfloat << (v) << " (" << std::defaultfloat << (v) << ")" +#define fHexAndDec(v) \ + std::hexfloat << (v) << " (" << std::defaultfloat << (v) << ")" - -const char * round_name(int d) { - switch(d) { - case FE_UPWARD: - return "FE_UPWARD"; - case FE_DOWNWARD: - return "FE_DOWNWARD"; - case FE_TOWARDZERO: - return "FE_TOWARDZERO"; - case FE_TONEAREST: - return "FE_TONEAREST"; - default: - return "UNKNOWN"; +const char *round_name(int d) { + switch (d) { + case FE_UPWARD: + return "FE_UPWARD"; + case FE_DOWNWARD: + return "FE_DOWNWARD"; + case FE_TOWARDZERO: + return "FE_TOWARDZERO"; + case FE_TONEAREST: + return "FE_TONEAREST"; + default: + return "UNKNOWN"; } } - -#define FASTFLOAT_STR(x) #x +#define FASTFLOAT_STR(x) #x #define SHOW_DEFINE(x) printf("%s='%s'\n", #x, FASTFLOAT_STR(x)) TEST_CASE("system_info") { - std::cout << "system info:" << std::endl; + std::cout << "system info:" << std::endl; #ifdef FASTFLOAT_CONSTEXPR_TESTS - SHOW_DEFINE(FASTFLOAT_CONSTEXPR_TESTS); + SHOW_DEFINE(FASTFLOAT_CONSTEXPR_TESTS); #endif #ifdef _MSC_VER - SHOW_DEFINE(_MSC_VER); + SHOW_DEFINE(_MSC_VER); #endif #ifdef FASTFLOAT_64BIT_LIMB - SHOW_DEFINE(FASTFLOAT_64BIT_LIMB); + SHOW_DEFINE(FASTFLOAT_64BIT_LIMB); #endif #ifdef __clang__ - SHOW_DEFINE(__clang__); + SHOW_DEFINE(__clang__); #endif #ifdef FASTFLOAT_VISUAL_STUDIO - SHOW_DEFINE(FASTFLOAT_VISUAL_STUDIO); + SHOW_DEFINE(FASTFLOAT_VISUAL_STUDIO); #endif #ifdef FASTFLOAT_IS_BIG_ENDIAN - #if FASTFLOAT_IS_BIG_ENDIAN - printf("big endian\n"); - #else - printf("little endian\n"); - #endif +#if FASTFLOAT_IS_BIG_ENDIAN + printf("big endian\n"); +#else + printf("little endian\n"); +#endif #endif #ifdef FASTFLOAT_32BIT - SHOW_DEFINE(FASTFLOAT_32BIT); + SHOW_DEFINE(FASTFLOAT_32BIT); #endif #ifdef FASTFLOAT_64BIT - SHOW_DEFINE(FASTFLOAT_64BIT); + SHOW_DEFINE(FASTFLOAT_64BIT); #endif #ifdef FLT_EVAL_METHOD - SHOW_DEFINE(FLT_EVAL_METHOD); + SHOW_DEFINE(FLT_EVAL_METHOD); #endif #ifdef _WIN32 - SHOW_DEFINE(_WIN32); + SHOW_DEFINE(_WIN32); #endif #ifdef _WIN64 - SHOW_DEFINE(_WIN64); + SHOW_DEFINE(_WIN64); #endif - std::cout << "fegetround() = " << round_name(fegetround()) << std::endl; - std::cout << std::endl; - + std::cout << "fegetround() = " << round_name(fegetround()) << std::endl; + std::cout << std::endl; } - TEST_CASE("rounds_to_nearest") { // // If this function fails, we may be left in a non-standard rounding state. // static volatile float fmin = std::numeric_limits::min(); fesetround(FE_UPWARD); - std::cout << "FE_UPWARD: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; + std::cout << "FE_UPWARD: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) + << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; CHECK(fegetround() == FE_UPWARD); CHECK(fast_float::detail::rounds_to_nearest() == false); fesetround(FE_DOWNWARD); - std::cout << "FE_DOWNWARD: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; + std::cout << "FE_DOWNWARD: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) + << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; CHECK(fegetround() == FE_DOWNWARD); CHECK(fast_float::detail::rounds_to_nearest() == false); fesetround(FE_TOWARDZERO); - std::cout << "FE_TOWARDZERO: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; + std::cout << "FE_TOWARDZERO: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) + << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; CHECK(fegetround() == FE_TOWARDZERO); CHECK(fast_float::detail::rounds_to_nearest() == false); fesetround(FE_TONEAREST); - std::cout << "FE_TONEAREST: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; + std::cout << "FE_TONEAREST: fmin + 1.0f = " << iHexAndDec(fmin + 1.0f) + << " 1.0f - fmin = " << iHexAndDec(1.0f - fmin) << std::endl; CHECK(fegetround() == FE_TONEAREST); #if (FLT_EVAL_METHOD == 1) || (FLT_EVAL_METHOD == 0) CHECK(fast_float::detail::rounds_to_nearest() == true); @@ -156,7 +156,7 @@ TEST_CASE("parse_zero") { // // If this function fails, we may be left in a non-standard rounding state. // - const char * zero = "0"; + const char *zero = "0"; uint64_t float64_parsed; double f = 0; ::memcpy(&float64_parsed, &f, sizeof(f)); @@ -203,7 +203,7 @@ TEST_CASE("parse_negative_zero") { // // If this function fails, we may be left in a non-standard rounding state. // - const char * negative_zero = "-0"; + const char *negative_zero = "-0"; uint64_t float64_parsed; double f = -0.; ::memcpy(&float64_parsed, &f, sizeof(f)); @@ -212,7 +212,8 @@ TEST_CASE("parse_negative_zero") { fesetround(FE_UPWARD); auto r1 = fast_float::from_chars(negative_zero, negative_zero + 2, f); CHECK(r1.ec == std::errc()); - std::cout << "FE_UPWARD parsed negative zero as " << iHexAndDec(f) << std::endl; + std::cout << "FE_UPWARD parsed negative zero as " << iHexAndDec(f) + << std::endl; CHECK(f == 0); ::memcpy(&float64_parsed, &f, sizeof(f)); std::cout << "double as uint64_t is " << float64_parsed << std::endl; @@ -221,7 +222,8 @@ TEST_CASE("parse_negative_zero") { fesetround(FE_TOWARDZERO); auto r2 = fast_float::from_chars(negative_zero, negative_zero + 2, f); CHECK(r2.ec == std::errc()); - std::cout << "FE_TOWARDZERO parsed negative zero as " << iHexAndDec(f) << std::endl; + std::cout << "FE_TOWARDZERO parsed negative zero as " << iHexAndDec(f) + << std::endl; CHECK(f == 0); ::memcpy(&float64_parsed, &f, sizeof(f)); std::cout << "double as uint64_t is " << float64_parsed << std::endl; @@ -230,7 +232,8 @@ TEST_CASE("parse_negative_zero") { fesetround(FE_DOWNWARD); auto r3 = fast_float::from_chars(negative_zero, negative_zero + 2, f); CHECK(r3.ec == std::errc()); - std::cout << "FE_DOWNWARD parsed negative zero as " << iHexAndDec(f) << std::endl; + std::cout << "FE_DOWNWARD parsed negative zero as " << iHexAndDec(f) + << std::endl; CHECK(f == 0); ::memcpy(&float64_parsed, &f, sizeof(f)); std::cout << "double as uint64_t is " << float64_parsed << std::endl; @@ -239,7 +242,8 @@ TEST_CASE("parse_negative_zero") { fesetround(FE_TONEAREST); auto r4 = fast_float::from_chars(negative_zero, negative_zero + 2, f); CHECK(r4.ec == std::errc()); - std::cout << "FE_TONEAREST parsed negative zero as " << iHexAndDec(f) << std::endl; + std::cout << "FE_TONEAREST parsed negative zero as " << iHexAndDec(f) + << std::endl; CHECK(f == 0); ::memcpy(&float64_parsed, &f, sizeof(f)); std::cout << "double as uint64_t is " << float64_parsed << std::endl; @@ -249,19 +253,19 @@ TEST_CASE("parse_negative_zero") { #if FASTFLOAT_SUPPLEMENTAL_TESTS // C++ 17 because it is otherwise annoying to browse all files in a directory. // We also only run these tests on little endian systems. -#if (FASTFLOAT_CPLUSPLUS >= 201703L) && (FASTFLOAT_IS_BIG_ENDIAN == 0) && !defined(FASTFLOAT_ODDPLATFORM) +#if (FASTFLOAT_CPLUSPLUS >= 201703L) && (FASTFLOAT_IS_BIG_ENDIAN == 0) && \ + !defined(FASTFLOAT_ODDPLATFORM) #include #include #include - - // return true on success bool check_file(std::string file_name) { std::cout << "Checking " << file_name << std::endl; // We check all rounding directions, for each file. - std::vector directions = {FE_UPWARD, FE_DOWNWARD, FE_TOWARDZERO, FE_TONEAREST}; + std::vector directions = {FE_UPWARD, FE_DOWNWARD, FE_TOWARDZERO, + FE_TONEAREST}; for (int d : directions) { std::cout << "fesetround to " << round_name(d) << std::endl; fesetround(d); @@ -274,24 +278,40 @@ bool check_file(std::string file_name) { // Read 32-bit hex uint32_t float32; auto r32 = std::from_chars(str.data() + 5, str.data() + str.size(), - float32, 16); - if(r32.ec != std::errc()) { std::cerr << "32-bit parsing failure\n"; return false; } + float32, 16); + if (r32.ec != std::errc()) { + std::cerr << "32-bit parsing failure\n"; + return false; + } // Read 64-bit hex uint64_t float64; auto r64 = std::from_chars(str.data() + 14, str.data() + str.size(), - float64, 16); - if(r64.ec != std::errc()) { std::cerr << "64-bit parsing failure\n"; return false; } + float64, 16); + if (r64.ec != std::errc()) { + std::cerr << "64-bit parsing failure\n"; + return false; + } // The string to parse: const char *number_string = str.data() + 31; const char *end_of_string = str.data() + str.size(); // Parse as 32-bit float float parsed_32; - auto fast_float_r32 = fast_float::from_chars(number_string, end_of_string, parsed_32); - if(fast_float_r32.ec != std::errc() && fast_float_r32.ec != std::errc::result_out_of_range) {std::cerr << "32-bit fast_float parsing failure for: " + str + "\n"; return false; } + auto fast_float_r32 = + fast_float::from_chars(number_string, end_of_string, parsed_32); + if (fast_float_r32.ec != std::errc() && + fast_float_r32.ec != std::errc::result_out_of_range) { + std::cerr << "32-bit fast_float parsing failure for: " + str + "\n"; + return false; + } // Parse as 64-bit float double parsed_64; - auto fast_float_r64 = fast_float::from_chars(number_string, end_of_string, parsed_64); - if(fast_float_r64.ec != std::errc() && fast_float_r32.ec != std::errc::result_out_of_range) { std::cerr << "64-bit fast_float parsing failure: " + str + "\n"; return false; } + auto fast_float_r64 = + fast_float::from_chars(number_string, end_of_string, parsed_64); + if (fast_float_r64.ec != std::errc() && + fast_float_r32.ec != std::errc::result_out_of_range) { + std::cerr << "64-bit fast_float parsing failure: " + str + "\n"; + return false; + } // Convert the floats to unsigned ints. uint32_t float32_parsed; uint64_t float64_parsed; @@ -301,7 +321,8 @@ bool check_file(std::string file_name) { if (float32_parsed != float32) { std::cout << "bad 32 " << str << std::endl; std::cout << "parsed as " << iHexAndDec(parsed_32) << std::endl; - std::cout << "as raw uint32_t, parsed = " << float32_parsed << ", expected = " << float32 << std::endl; + std::cout << "as raw uint32_t, parsed = " << float32_parsed + << ", expected = " << float32 << std::endl; std::cout << "fesetround: " << round_name(d) << std::endl; fesetround(FE_TONEAREST); return false; @@ -309,7 +330,8 @@ bool check_file(std::string file_name) { if (float64_parsed != float64) { std::cout << "bad 64 " << str << std::endl; std::cout << "parsed as " << iHexAndDec(parsed_64) << std::endl; - std::cout << "as raw uint64_t, parsed = " << float64_parsed << ", expected = " << float64 << std::endl; + std::cout << "as raw uint64_t, parsed = " << float64_parsed + << ", expected = " << float64 << std::endl; std::cout << "fesetround: " << round_name(d) << std::endl; fesetround(FE_TONEAREST); return false; @@ -317,7 +339,8 @@ bool check_file(std::string file_name) { number++; } } - std::cout << "checked " << std::defaultfloat << number << " values" << std::endl; + std::cout << "checked " << std::defaultfloat << number << " values" + << std::endl; newfile.close(); // close the file object } else { std::cout << "Could not read " << file_name << std::endl; @@ -329,32 +352,35 @@ bool check_file(std::string file_name) { return true; } - TEST_CASE("supplemental") { - std::string path = SUPPLEMENTAL_TEST_DATA_DIR; - for (const auto & entry : std::filesystem::directory_iterator(path)) { - CHECK(check_file(entry.path().string())); - } + std::string path = SUPPLEMENTAL_TEST_DATA_DIR; + for (const auto &entry : std::filesystem::directory_iterator(path)) { + CHECK(check_file(entry.path().string())); + } } #endif #endif TEST_CASE("leading_zeroes") { constexpr const uint64_t bit = 1; - CHECK(fast_float::leading_zeroes(bit << 0) == 63); - CHECK(fast_float::leading_zeroes(bit << 1) == 62); - CHECK(fast_float::leading_zeroes(bit << 2) == 61); - CHECK(fast_float::leading_zeroes(bit << 61) == 2); - CHECK(fast_float::leading_zeroes(bit << 62) == 1); - CHECK(fast_float::leading_zeroes(bit << 63) == 0); + CHECK(fast_float::leading_zeroes(bit << 0) == 63); + CHECK(fast_float::leading_zeroes(bit << 1) == 62); + CHECK(fast_float::leading_zeroes(bit << 2) == 61); + CHECK(fast_float::leading_zeroes(bit << 61) == 2); + CHECK(fast_float::leading_zeroes(bit << 62) == 1); + CHECK(fast_float::leading_zeroes(bit << 63) == 0); } -void test_full_multiplication(uint64_t lhs, uint64_t rhs, uint64_t expected_lo, uint64_t expected_hi) { +void test_full_multiplication(uint64_t lhs, uint64_t rhs, uint64_t expected_lo, + uint64_t expected_hi) { fast_float::value128 v; v = fast_float::full_multiplication(lhs, rhs); - INFO("lhs=" << iHexAndDec(lhs) << " " << "rhs=" << iHexAndDec(rhs) - << "\n actualLo=" << iHexAndDec(v.low) << " " << "actualHi=" << iHexAndDec(v.high) - << "\n expectedLo=" << iHexAndDec(expected_lo) << " " << "expectedHi=" << iHexAndDec(expected_hi)); + INFO("lhs=" << iHexAndDec(lhs) << " " + << "rhs=" << iHexAndDec(rhs) + << "\n actualLo=" << iHexAndDec(v.low) << " " + << "actualHi=" << iHexAndDec(v.high) + << "\n expectedLo=" << iHexAndDec(expected_lo) << " " + << "expectedHi=" << iHexAndDec(expected_hi)); CHECK_EQ(v.low, expected_lo); CHECK_EQ(v.high, expected_hi); v = fast_float::full_multiplication(rhs, lhs); @@ -365,18 +391,17 @@ void test_full_multiplication(uint64_t lhs, uint64_t rhs, uint64_t expected_lo, TEST_CASE("full_multiplication") { constexpr const uint64_t bit = 1; // lhs rhs lo hi - test_full_multiplication(bit << 0 , bit << 0, 1u , 0u); - test_full_multiplication(bit << 0 , bit << 63, bit << 63, 0u); - test_full_multiplication(bit << 1 , bit << 63, 0u , 1u); - test_full_multiplication(bit << 63, bit << 0, bit << 63, 0u); - test_full_multiplication(bit << 63, bit << 1, 0u , 1u); - test_full_multiplication(bit << 63, bit << 2, 0u , 2u); - test_full_multiplication(bit << 63, bit << 63, 0u , bit << 62); + test_full_multiplication(bit << 0, bit << 0, 1u, 0u); + test_full_multiplication(bit << 0, bit << 63, bit << 63, 0u); + test_full_multiplication(bit << 1, bit << 63, 0u, 1u); + test_full_multiplication(bit << 63, bit << 0, bit << 63, 0u); + test_full_multiplication(bit << 63, bit << 1, 0u, 1u); + test_full_multiplication(bit << 63, bit << 2, 0u, 2u); + test_full_multiplication(bit << 63, bit << 63, 0u, bit << 62); } - TEST_CASE("issue8") { - const char* s = + const char *s = "3." "141592653589793238462643383279502884197169399375105820974944592307816406" "286208998628034825342117067982148086513282306647093844609550582231725359" @@ -394,35 +419,40 @@ TEST_CASE("issue8") { double d = 0.0; auto answer = fast_float::from_chars(s, s + strlen(s) - i, d); CHECK_MESSAGE(answer.ec == std::errc(), "i=" << i); - CHECK_MESSAGE(d == 0x1.921fb54442d18p+1, "i=" << i << "\n" - << std::string(s, strlen(s) - size_t(i)) << "\n" - << std::hexfloat << d << "\n" - << std::defaultfloat << "\n"); + CHECK_MESSAGE(d == 0x1.921fb54442d18p+1, + "i=" << i << "\n" + << std::string(s, strlen(s) - size_t(i)) << "\n" + << std::hexfloat << d << "\n" + << std::defaultfloat << "\n"); } } TEST_CASE("check_behavior") { - const std::string input = "abc"; + const std::string input = "abc"; double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); CHECK_MESSAGE(answer.ec != std::errc(), "expected parse failure"); - CHECK_MESSAGE(answer.ptr == input.data(), "If there is no pattern match, we should have ptr equals first"); + CHECK_MESSAGE( + answer.ptr == input.data(), + "If there is no pattern match, we should have ptr equals first"); } - TEST_CASE("decimal_point_parsing") { double result; fast_float::parse_options options{}; { const std::string input = "1,25"; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); CHECK_MESSAGE(answer.ec == std::errc(), "expected parse success"); CHECK_MESSAGE(answer.ptr == input.data() + 1, "Parsing should have stopped at comma"); CHECK_EQ(result, 1.0); options.decimal_point = ','; - answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); + answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); CHECK_MESSAGE(answer.ec == std::errc(), "expected parse success"); CHECK_MESSAGE(answer.ptr == input.data() + input.size(), "Parsing should have stopped at end"); @@ -430,14 +460,16 @@ TEST_CASE("decimal_point_parsing") { } { const std::string input = "1.25"; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); CHECK_MESSAGE(answer.ec == std::errc(), "expected parse success"); CHECK_MESSAGE(answer.ptr == input.data() + 1, "Parsing should have stopped at dot"); CHECK_EQ(result, 1.0); options.decimal_point = '.'; - answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); + answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); CHECK_MESSAGE(answer.ec == std::errc(), "expected parse success"); CHECK_MESSAGE(answer.ptr == input.data() + input.size(), "Parsing should have stopped at end"); @@ -446,165 +478,183 @@ TEST_CASE("decimal_point_parsing") { } TEST_CASE("issue19") { - const std::string input = "234532.3426362,7869234.9823,324562.645"; + const std::string input = "234532.3426362,7869234.9823,324562.645"; double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); - CHECK_MESSAGE(answer.ec == std::errc(), "We want to parse up to 234532.3426362\n"); + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); + CHECK_MESSAGE(answer.ec == std::errc(), + "We want to parse up to 234532.3426362\n"); CHECK_MESSAGE(answer.ptr == input.data() + 14, - "Parsed the number " << result - << " and stopped at the wrong character: after " << (answer.ptr - input.data()) << " characters"); + "Parsed the number " + << result << " and stopped at the wrong character: after " + << (answer.ptr - input.data()) << " characters"); CHECK_MESSAGE(result == 234532.3426362, "We want to parse234532.3426362\n"); CHECK_MESSAGE(answer.ptr[0] == ',', "We want to parse up to the comma\n"); - answer = fast_float::from_chars(answer.ptr + 1, input.data()+input.size(), result); + answer = fast_float::from_chars(answer.ptr + 1, input.data() + input.size(), + result); CHECK_MESSAGE(answer.ec == std::errc(), "We want to parse 7869234.9823\n"); CHECK_MESSAGE(answer.ptr == input.data() + 27, "Parsed the number " << result - << " and stopped at the wrong character " << (answer.ptr - input.data())); + << " and stopped at the wrong character " + << (answer.ptr - input.data())); CHECK_MESSAGE(answer.ptr[0] == ',', "We want to parse up to the comma\n"); CHECK_MESSAGE(result == 7869234.9823, "We want to parse up 7869234.9823\n"); - answer = fast_float::from_chars(answer.ptr + 1, input.data()+input.size(), result); + answer = fast_float::from_chars(answer.ptr + 1, input.data() + input.size(), + result); CHECK_MESSAGE(answer.ec == std::errc(), "We want to parse 324562.645\n"); CHECK_MESSAGE(answer.ptr == input.data() + 38, "Parsed the number " << result - << " and stopped at the wrong character " << (answer.ptr - input.data())); + << " and stopped at the wrong character " + << (answer.ptr - input.data())); CHECK_MESSAGE(result == 324562.645, "We want to parse up 7869234.9823\n"); } TEST_CASE("issue19") { - const std::string input = "3.14e"; + const std::string input = "3.14e"; double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); CHECK_MESSAGE(answer.ec == std::errc(), "We want to parse up to 3.14\n"); CHECK_MESSAGE(answer.ptr == input.data() + 4, - "Parsed the number " << result - << " and stopped at the wrong character: after " << (answer.ptr - input.data()) << " characters"); + "Parsed the number " + << result << " and stopped at the wrong character: after " + << (answer.ptr - input.data()) << " characters"); } - TEST_CASE("scientific_only") { - // first, we try with something that should fail... - std::string input = "3.14"; - double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::scientific); - CHECK_MESSAGE(answer.ec != std::errc(), "It is not scientific! Parsed: " << result); + // first, we try with something that should fail... + std::string input = "3.14"; + double result; + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result, + fast_float::chars_format::scientific); + CHECK_MESSAGE(answer.ec != std::errc(), + "It is not scientific! Parsed: " << result); - input = "3.14e10"; - answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::scientific); - CHECK_MESSAGE(answer.ec == std::errc(), "It is scientific! Parsed: " << result); - CHECK_MESSAGE(answer.ptr == input.data() + input.size(), - "Parsed the number " << result - << " and stopped at the wrong character: after " << (answer.ptr - input.data()) << " characters"); + input = "3.14e10"; + answer = fast_float::from_chars(input.data(), input.data() + input.size(), + result, fast_float::chars_format::scientific); + CHECK_MESSAGE(answer.ec == std::errc(), + "It is scientific! Parsed: " << result); + CHECK_MESSAGE(answer.ptr == input.data() + input.size(), + "Parsed the number " + << result << " and stopped at the wrong character: after " + << (answer.ptr - input.data()) << " characters"); } - TEST_CASE("test_fixed_only") { - const std::string input = "3.14e10"; - double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result, fast_float::chars_format::fixed); - CHECK_MESSAGE(answer.ec == std::errc(), "We want to parse up to 3.14; parsed: " << result); - CHECK_MESSAGE(answer.ptr == input.data() + 4, - "Parsed the number " << result - << " and stopped at the wrong character: after " << (answer.ptr - input.data()) << " characters"); + const std::string input = "3.14e10"; + double result; + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result, + fast_float::chars_format::fixed); + CHECK_MESSAGE(answer.ec == std::errc(), + "We want to parse up to 3.14; parsed: " << result); + CHECK_MESSAGE(answer.ptr == input.data() + 4, + "Parsed the number " + << result << " and stopped at the wrong character: after " + << (answer.ptr - input.data()) << " characters"); } - static const double testing_power_of_ten[] = { - 1e-323, 1e-322, 1e-321, 1e-320, 1e-319, 1e-318, 1e-317, 1e-316, 1e-315, - 1e-314, 1e-313, 1e-312, 1e-311, 1e-310, 1e-309, 1e-308, - - 1e-307, 1e-306, 1e-305, 1e-304, 1e-303, 1e-302, 1e-301, 1e-300, 1e-299, - 1e-298, 1e-297, 1e-296, 1e-295, 1e-294, 1e-293, 1e-292, 1e-291, 1e-290, - 1e-289, 1e-288, 1e-287, 1e-286, 1e-285, 1e-284, 1e-283, 1e-282, 1e-281, - 1e-280, 1e-279, 1e-278, 1e-277, 1e-276, 1e-275, 1e-274, 1e-273, 1e-272, - 1e-271, 1e-270, 1e-269, 1e-268, 1e-267, 1e-266, 1e-265, 1e-264, 1e-263, - 1e-262, 1e-261, 1e-260, 1e-259, 1e-258, 1e-257, 1e-256, 1e-255, 1e-254, - 1e-253, 1e-252, 1e-251, 1e-250, 1e-249, 1e-248, 1e-247, 1e-246, 1e-245, - 1e-244, 1e-243, 1e-242, 1e-241, 1e-240, 1e-239, 1e-238, 1e-237, 1e-236, - 1e-235, 1e-234, 1e-233, 1e-232, 1e-231, 1e-230, 1e-229, 1e-228, 1e-227, - 1e-226, 1e-225, 1e-224, 1e-223, 1e-222, 1e-221, 1e-220, 1e-219, 1e-218, - 1e-217, 1e-216, 1e-215, 1e-214, 1e-213, 1e-212, 1e-211, 1e-210, 1e-209, - 1e-208, 1e-207, 1e-206, 1e-205, 1e-204, 1e-203, 1e-202, 1e-201, 1e-200, - 1e-199, 1e-198, 1e-197, 1e-196, 1e-195, 1e-194, 1e-193, 1e-192, 1e-191, - 1e-190, 1e-189, 1e-188, 1e-187, 1e-186, 1e-185, 1e-184, 1e-183, 1e-182, - 1e-181, 1e-180, 1e-179, 1e-178, 1e-177, 1e-176, 1e-175, 1e-174, 1e-173, - 1e-172, 1e-171, 1e-170, 1e-169, 1e-168, 1e-167, 1e-166, 1e-165, 1e-164, - 1e-163, 1e-162, 1e-161, 1e-160, 1e-159, 1e-158, 1e-157, 1e-156, 1e-155, - 1e-154, 1e-153, 1e-152, 1e-151, 1e-150, 1e-149, 1e-148, 1e-147, 1e-146, - 1e-145, 1e-144, 1e-143, 1e-142, 1e-141, 1e-140, 1e-139, 1e-138, 1e-137, - 1e-136, 1e-135, 1e-134, 1e-133, 1e-132, 1e-131, 1e-130, 1e-129, 1e-128, - 1e-127, 1e-126, 1e-125, 1e-124, 1e-123, 1e-122, 1e-121, 1e-120, 1e-119, - 1e-118, 1e-117, 1e-116, 1e-115, 1e-114, 1e-113, 1e-112, 1e-111, 1e-110, - 1e-109, 1e-108, 1e-107, 1e-106, 1e-105, 1e-104, 1e-103, 1e-102, 1e-101, - 1e-100, 1e-99, 1e-98, 1e-97, 1e-96, 1e-95, 1e-94, 1e-93, 1e-92, - 1e-91, 1e-90, 1e-89, 1e-88, 1e-87, 1e-86, 1e-85, 1e-84, 1e-83, - 1e-82, 1e-81, 1e-80, 1e-79, 1e-78, 1e-77, 1e-76, 1e-75, 1e-74, - 1e-73, 1e-72, 1e-71, 1e-70, 1e-69, 1e-68, 1e-67, 1e-66, 1e-65, - 1e-64, 1e-63, 1e-62, 1e-61, 1e-60, 1e-59, 1e-58, 1e-57, 1e-56, - 1e-55, 1e-54, 1e-53, 1e-52, 1e-51, 1e-50, 1e-49, 1e-48, 1e-47, - 1e-46, 1e-45, 1e-44, 1e-43, 1e-42, 1e-41, 1e-40, 1e-39, 1e-38, - 1e-37, 1e-36, 1e-35, 1e-34, 1e-33, 1e-32, 1e-31, 1e-30, 1e-29, - 1e-28, 1e-27, 1e-26, 1e-25, 1e-24, 1e-23, 1e-22, 1e-21, 1e-20, - 1e-19, 1e-18, 1e-17, 1e-16, 1e-15, 1e-14, 1e-13, 1e-12, 1e-11, - 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, - 1e-1, 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, - 1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, - 1e17, 1e18, 1e19, 1e20, 1e21, 1e22, 1e23, 1e24, 1e25, - 1e26, 1e27, 1e28, 1e29, 1e30, 1e31, 1e32, 1e33, 1e34, - 1e35, 1e36, 1e37, 1e38, 1e39, 1e40, 1e41, 1e42, 1e43, - 1e44, 1e45, 1e46, 1e47, 1e48, 1e49, 1e50, 1e51, 1e52, - 1e53, 1e54, 1e55, 1e56, 1e57, 1e58, 1e59, 1e60, 1e61, - 1e62, 1e63, 1e64, 1e65, 1e66, 1e67, 1e68, 1e69, 1e70, - 1e71, 1e72, 1e73, 1e74, 1e75, 1e76, 1e77, 1e78, 1e79, - 1e80, 1e81, 1e82, 1e83, 1e84, 1e85, 1e86, 1e87, 1e88, - 1e89, 1e90, 1e91, 1e92, 1e93, 1e94, 1e95, 1e96, 1e97, - 1e98, 1e99, 1e100, 1e101, 1e102, 1e103, 1e104, 1e105, 1e106, - 1e107, 1e108, 1e109, 1e110, 1e111, 1e112, 1e113, 1e114, 1e115, - 1e116, 1e117, 1e118, 1e119, 1e120, 1e121, 1e122, 1e123, 1e124, - 1e125, 1e126, 1e127, 1e128, 1e129, 1e130, 1e131, 1e132, 1e133, - 1e134, 1e135, 1e136, 1e137, 1e138, 1e139, 1e140, 1e141, 1e142, - 1e143, 1e144, 1e145, 1e146, 1e147, 1e148, 1e149, 1e150, 1e151, - 1e152, 1e153, 1e154, 1e155, 1e156, 1e157, 1e158, 1e159, 1e160, - 1e161, 1e162, 1e163, 1e164, 1e165, 1e166, 1e167, 1e168, 1e169, - 1e170, 1e171, 1e172, 1e173, 1e174, 1e175, 1e176, 1e177, 1e178, - 1e179, 1e180, 1e181, 1e182, 1e183, 1e184, 1e185, 1e186, 1e187, - 1e188, 1e189, 1e190, 1e191, 1e192, 1e193, 1e194, 1e195, 1e196, - 1e197, 1e198, 1e199, 1e200, 1e201, 1e202, 1e203, 1e204, 1e205, - 1e206, 1e207, 1e208, 1e209, 1e210, 1e211, 1e212, 1e213, 1e214, - 1e215, 1e216, 1e217, 1e218, 1e219, 1e220, 1e221, 1e222, 1e223, - 1e224, 1e225, 1e226, 1e227, 1e228, 1e229, 1e230, 1e231, 1e232, - 1e233, 1e234, 1e235, 1e236, 1e237, 1e238, 1e239, 1e240, 1e241, - 1e242, 1e243, 1e244, 1e245, 1e246, 1e247, 1e248, 1e249, 1e250, - 1e251, 1e252, 1e253, 1e254, 1e255, 1e256, 1e257, 1e258, 1e259, - 1e260, 1e261, 1e262, 1e263, 1e264, 1e265, 1e266, 1e267, 1e268, - 1e269, 1e270, 1e271, 1e272, 1e273, 1e274, 1e275, 1e276, 1e277, - 1e278, 1e279, 1e280, 1e281, 1e282, 1e283, 1e284, 1e285, 1e286, - 1e287, 1e288, 1e289, 1e290, 1e291, 1e292, 1e293, 1e294, 1e295, - 1e296, 1e297, 1e298, 1e299, 1e300, 1e301, 1e302, 1e303, 1e304, - 1e305, 1e306, 1e307, 1e308}; + 1e-323, 1e-322, 1e-321, 1e-320, 1e-319, 1e-318, 1e-317, 1e-316, 1e-315, + 1e-314, 1e-313, 1e-312, 1e-311, 1e-310, 1e-309, 1e-308, + 1e-307, 1e-306, 1e-305, 1e-304, 1e-303, 1e-302, 1e-301, 1e-300, 1e-299, + 1e-298, 1e-297, 1e-296, 1e-295, 1e-294, 1e-293, 1e-292, 1e-291, 1e-290, + 1e-289, 1e-288, 1e-287, 1e-286, 1e-285, 1e-284, 1e-283, 1e-282, 1e-281, + 1e-280, 1e-279, 1e-278, 1e-277, 1e-276, 1e-275, 1e-274, 1e-273, 1e-272, + 1e-271, 1e-270, 1e-269, 1e-268, 1e-267, 1e-266, 1e-265, 1e-264, 1e-263, + 1e-262, 1e-261, 1e-260, 1e-259, 1e-258, 1e-257, 1e-256, 1e-255, 1e-254, + 1e-253, 1e-252, 1e-251, 1e-250, 1e-249, 1e-248, 1e-247, 1e-246, 1e-245, + 1e-244, 1e-243, 1e-242, 1e-241, 1e-240, 1e-239, 1e-238, 1e-237, 1e-236, + 1e-235, 1e-234, 1e-233, 1e-232, 1e-231, 1e-230, 1e-229, 1e-228, 1e-227, + 1e-226, 1e-225, 1e-224, 1e-223, 1e-222, 1e-221, 1e-220, 1e-219, 1e-218, + 1e-217, 1e-216, 1e-215, 1e-214, 1e-213, 1e-212, 1e-211, 1e-210, 1e-209, + 1e-208, 1e-207, 1e-206, 1e-205, 1e-204, 1e-203, 1e-202, 1e-201, 1e-200, + 1e-199, 1e-198, 1e-197, 1e-196, 1e-195, 1e-194, 1e-193, 1e-192, 1e-191, + 1e-190, 1e-189, 1e-188, 1e-187, 1e-186, 1e-185, 1e-184, 1e-183, 1e-182, + 1e-181, 1e-180, 1e-179, 1e-178, 1e-177, 1e-176, 1e-175, 1e-174, 1e-173, + 1e-172, 1e-171, 1e-170, 1e-169, 1e-168, 1e-167, 1e-166, 1e-165, 1e-164, + 1e-163, 1e-162, 1e-161, 1e-160, 1e-159, 1e-158, 1e-157, 1e-156, 1e-155, + 1e-154, 1e-153, 1e-152, 1e-151, 1e-150, 1e-149, 1e-148, 1e-147, 1e-146, + 1e-145, 1e-144, 1e-143, 1e-142, 1e-141, 1e-140, 1e-139, 1e-138, 1e-137, + 1e-136, 1e-135, 1e-134, 1e-133, 1e-132, 1e-131, 1e-130, 1e-129, 1e-128, + 1e-127, 1e-126, 1e-125, 1e-124, 1e-123, 1e-122, 1e-121, 1e-120, 1e-119, + 1e-118, 1e-117, 1e-116, 1e-115, 1e-114, 1e-113, 1e-112, 1e-111, 1e-110, + 1e-109, 1e-108, 1e-107, 1e-106, 1e-105, 1e-104, 1e-103, 1e-102, 1e-101, + 1e-100, 1e-99, 1e-98, 1e-97, 1e-96, 1e-95, 1e-94, 1e-93, 1e-92, + 1e-91, 1e-90, 1e-89, 1e-88, 1e-87, 1e-86, 1e-85, 1e-84, 1e-83, + 1e-82, 1e-81, 1e-80, 1e-79, 1e-78, 1e-77, 1e-76, 1e-75, 1e-74, + 1e-73, 1e-72, 1e-71, 1e-70, 1e-69, 1e-68, 1e-67, 1e-66, 1e-65, + 1e-64, 1e-63, 1e-62, 1e-61, 1e-60, 1e-59, 1e-58, 1e-57, 1e-56, + 1e-55, 1e-54, 1e-53, 1e-52, 1e-51, 1e-50, 1e-49, 1e-48, 1e-47, + 1e-46, 1e-45, 1e-44, 1e-43, 1e-42, 1e-41, 1e-40, 1e-39, 1e-38, + 1e-37, 1e-36, 1e-35, 1e-34, 1e-33, 1e-32, 1e-31, 1e-30, 1e-29, + 1e-28, 1e-27, 1e-26, 1e-25, 1e-24, 1e-23, 1e-22, 1e-21, 1e-20, + 1e-19, 1e-18, 1e-17, 1e-16, 1e-15, 1e-14, 1e-13, 1e-12, 1e-11, + 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, + 1e-1, 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, + 1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, + 1e17, 1e18, 1e19, 1e20, 1e21, 1e22, 1e23, 1e24, 1e25, + 1e26, 1e27, 1e28, 1e29, 1e30, 1e31, 1e32, 1e33, 1e34, + 1e35, 1e36, 1e37, 1e38, 1e39, 1e40, 1e41, 1e42, 1e43, + 1e44, 1e45, 1e46, 1e47, 1e48, 1e49, 1e50, 1e51, 1e52, + 1e53, 1e54, 1e55, 1e56, 1e57, 1e58, 1e59, 1e60, 1e61, + 1e62, 1e63, 1e64, 1e65, 1e66, 1e67, 1e68, 1e69, 1e70, + 1e71, 1e72, 1e73, 1e74, 1e75, 1e76, 1e77, 1e78, 1e79, + 1e80, 1e81, 1e82, 1e83, 1e84, 1e85, 1e86, 1e87, 1e88, + 1e89, 1e90, 1e91, 1e92, 1e93, 1e94, 1e95, 1e96, 1e97, + 1e98, 1e99, 1e100, 1e101, 1e102, 1e103, 1e104, 1e105, 1e106, + 1e107, 1e108, 1e109, 1e110, 1e111, 1e112, 1e113, 1e114, 1e115, + 1e116, 1e117, 1e118, 1e119, 1e120, 1e121, 1e122, 1e123, 1e124, + 1e125, 1e126, 1e127, 1e128, 1e129, 1e130, 1e131, 1e132, 1e133, + 1e134, 1e135, 1e136, 1e137, 1e138, 1e139, 1e140, 1e141, 1e142, + 1e143, 1e144, 1e145, 1e146, 1e147, 1e148, 1e149, 1e150, 1e151, + 1e152, 1e153, 1e154, 1e155, 1e156, 1e157, 1e158, 1e159, 1e160, + 1e161, 1e162, 1e163, 1e164, 1e165, 1e166, 1e167, 1e168, 1e169, + 1e170, 1e171, 1e172, 1e173, 1e174, 1e175, 1e176, 1e177, 1e178, + 1e179, 1e180, 1e181, 1e182, 1e183, 1e184, 1e185, 1e186, 1e187, + 1e188, 1e189, 1e190, 1e191, 1e192, 1e193, 1e194, 1e195, 1e196, + 1e197, 1e198, 1e199, 1e200, 1e201, 1e202, 1e203, 1e204, 1e205, + 1e206, 1e207, 1e208, 1e209, 1e210, 1e211, 1e212, 1e213, 1e214, + 1e215, 1e216, 1e217, 1e218, 1e219, 1e220, 1e221, 1e222, 1e223, + 1e224, 1e225, 1e226, 1e227, 1e228, 1e229, 1e230, 1e231, 1e232, + 1e233, 1e234, 1e235, 1e236, 1e237, 1e238, 1e239, 1e240, 1e241, + 1e242, 1e243, 1e244, 1e245, 1e246, 1e247, 1e248, 1e249, 1e250, + 1e251, 1e252, 1e253, 1e254, 1e255, 1e256, 1e257, 1e258, 1e259, + 1e260, 1e261, 1e262, 1e263, 1e264, 1e265, 1e266, 1e267, 1e268, + 1e269, 1e270, 1e271, 1e272, 1e273, 1e274, 1e275, 1e276, 1e277, + 1e278, 1e279, 1e280, 1e281, 1e282, 1e283, 1e284, 1e285, 1e286, + 1e287, 1e288, 1e289, 1e290, 1e291, 1e292, 1e293, 1e294, 1e295, + 1e296, 1e297, 1e298, 1e299, 1e300, 1e301, 1e302, 1e303, 1e304, + 1e305, 1e306, 1e307, 1e308}; TEST_CASE("powers_of_ten") { - char buf[1024]; - WARN_MESSAGE(1e-308 == std::pow(10, -308), "On your system, the pow function is busted. Sorry about that."); - bool is_pow_correct{1e-308 == std::pow(10,-308)}; - // large negative values should be zero. - int start_point = is_pow_correct ? -1000 : -307; - for (int i = start_point; i <= 308; ++i) { - INFO("i=" << i); - size_t n = size_t(snprintf(buf, sizeof(buf), "1e%d", i)); - REQUIRE(n < sizeof(buf)); // if false, fails the test and exits - double actual; - auto result = fast_float::from_chars(buf, buf + 1000, actual); - double expected = ((i >= -323) ? testing_power_of_ten[i + 323] : std::pow(10, i)); - auto expected_ec = (i < -323 || i > 308) ? std::errc::result_out_of_range : std::errc(); - CHECK_MESSAGE(result.ec == expected_ec, " I could not parse " << buf); - CHECK_MESSAGE(actual == expected, "String '" << buf << "'parsed to " << actual); - } + char buf[1024]; + WARN_MESSAGE(1e-308 == std::pow(10, -308), + "On your system, the pow function is busted. Sorry about that."); + bool is_pow_correct{1e-308 == std::pow(10, -308)}; + // large negative values should be zero. + int start_point = is_pow_correct ? -1000 : -307; + for (int i = start_point; i <= 308; ++i) { + INFO("i=" << i); + size_t n = size_t(snprintf(buf, sizeof(buf), "1e%d", i)); + REQUIRE(n < sizeof(buf)); // if false, fails the test and exits + double actual; + auto result = fast_float::from_chars(buf, buf + 1000, actual); + double expected = + ((i >= -323) ? testing_power_of_ten[i + 323] : std::pow(10, i)); + auto expected_ec = + (i < -323 || i > 308) ? std::errc::result_out_of_range : std::errc(); + CHECK_MESSAGE(result.ec == expected_ec, " I could not parse " << buf); + CHECK_MESSAGE(actual == expected, + "String '" << buf << "'parsed to " << actual); + } } - template std::string to_string(T d) { std::string s(64, '\0'); auto written = std::snprintf(&s[0], s.size(), "%.*e", @@ -624,19 +674,20 @@ template std::string to_long_string(T d) { uint32_t get_mantissa(float f) { uint32_t m; memcpy(&m, &f, sizeof(f)); - return (m & ((uint32_t(1)<<23)-1)); + return (m & ((uint32_t(1) << 23) - 1)); } uint64_t get_mantissa(double f) { uint64_t m; memcpy(&m, &f, sizeof(f)); - return (m & ((uint64_t(1)<<57)-1)); + return (m & ((uint64_t(1) << 57) - 1)); } - std::string append_zeros(std::string str, size_t number_of_zeros) { std::string answer(str); - for(size_t i = 0; i < number_of_zeros; i++) { answer += "0"; } + for (size_t i = 0; i < number_of_zeros; i++) { + answer += "0"; + } return answer; } @@ -647,22 +698,21 @@ enum class Diag { runtime, comptime }; } // anonymous namespace template -constexpr void check_basic_test_result(stringtype str, - result_type result, - T actual, T expected, std::errc expected_ec) { +constexpr void check_basic_test_result(stringtype str, result_type result, + T actual, T expected, + std::errc expected_ec) { if constexpr (diag == Diag::runtime) { - INFO( - "str=" << str << "\n" - << " expected=" << fHexAndDec(expected) << "\n" - << " ..actual=" << fHexAndDec(actual) << "\n" - << " expected mantissa=" << iHexAndDec(get_mantissa(expected)) - << "\n" - << " ..actual mantissa=" << iHexAndDec(get_mantissa(actual))); + INFO("str=" << str << "\n" + << " expected=" << fHexAndDec(expected) << "\n" + << " ..actual=" << fHexAndDec(actual) << "\n" + << " expected mantissa=" << iHexAndDec(get_mantissa(expected)) + << "\n" + << " ..actual mantissa=" << iHexAndDec(get_mantissa(actual))); } struct ComptimeDiag { - // Purposely not constexpr - static void error_not_equal() {} + // Purposely not constexpr + static void error_not_equal() {} }; #define FASTFLOAT_CHECK_EQ(...) \ @@ -691,9 +741,7 @@ constexpr void check_basic_test_result(stringtype str, return std::copysign(x, y); }; - auto isnan = [](double x) -> bool { - return x != x; - }; + auto isnan = [](double x) -> bool { return x != x; }; FASTFLOAT_CHECK_EQ(result.ec, expected_ec); FASTFLOAT_CHECK_EQ(result.ptr, str.data() + str.size()); @@ -704,15 +752,16 @@ constexpr void check_basic_test_result(stringtype str, #undef FASTFLOAT_CHECK_EQ } - -template -constexpr void basic_test(std::string_view str, T expected, std::errc expected_ec = std::errc()) { +template +constexpr void basic_test(std::string_view str, T expected, + std::errc expected_ec = std::errc()) { T actual; - auto result = fast_float::from_chars(str.data(), str.data() + str.size(), actual); + auto result = + fast_float::from_chars(str.data(), str.data() + str.size(), actual); check_basic_test_result(str, result, actual, expected, expected_ec); constexpr size_t global_string_capacity = 2048; - if(str.size() > global_string_capacity) { + if (str.size() > global_string_capacity) { return; } // We give plenty of memory: 2048 characters. @@ -722,7 +771,8 @@ constexpr void basic_test(std::string_view str, T expected, std::errc expected_e u16[i] = char16_t(str[i]); } auto result16 = fast_float::from_chars(u16, u16 + str.size(), actual); - check_basic_test_result(std::u16string_view(u16, str.size()), result16, actual, expected, expected_ec); + check_basic_test_result(std::u16string_view(u16, str.size()), result16, + actual, expected, expected_ec); char32_t u32[global_string_capacity]{}; @@ -730,33 +780,39 @@ constexpr void basic_test(std::string_view str, T expected, std::errc expected_e u32[i] = char32_t(str[i]); } auto result32 = fast_float::from_chars(u32, u32 + str.size(), actual); - check_basic_test_result(std::u32string_view(u32, str.size()), result32, actual, expected, expected_ec); + check_basic_test_result(std::u32string_view(u32, str.size()), result32, + actual, expected, expected_ec); } -template -constexpr void basic_test(std::string_view str, T expected, fast_float::parse_options options) { +template +constexpr void basic_test(std::string_view str, T expected, + fast_float::parse_options options) { T actual; - auto result = fast_float::from_chars_advanced(str.data(), str.data() + str.size(), actual, options); + auto result = fast_float::from_chars_advanced( + str.data(), str.data() + str.size(), actual, options); check_basic_test_result(str, result, actual, expected, std::errc()); } -template -constexpr void basic_test(std::string_view str, T expected, std::errc expected_ec, fast_float::parse_options options) { +template +constexpr void basic_test(std::string_view str, T expected, + std::errc expected_ec, + fast_float::parse_options options) { T actual; - auto result = fast_float::from_chars_advanced(str.data(), str.data() + str.size(), actual, options); + auto result = fast_float::from_chars_advanced( + str.data(), str.data() + str.size(), actual, options); check_basic_test_result(str, result, actual, expected, expected_ec); } void basic_test(float val) { { - std::string long_vals = to_long_string(val); - INFO("long vals: " << long_vals); - basic_test(long_vals, val); + std::string long_vals = to_long_string(val); + INFO("long vals: " << long_vals); + basic_test(long_vals, val); } { - std::string vals = to_string(val); - INFO("vals: " << vals); - basic_test(vals, val); + std::string vals = to_string(val); + INFO("vals: " << vals); + basic_test(vals, val); } } @@ -806,7 +862,11 @@ void basic_test(float val) { #define verify_options verify_options_runtime #endif -#define verify32(val) { INFO(#val); basic_test(val); } +#define verify32(val) \ + { \ + INFO(#val); \ + basic_test(val); \ + } TEST_CASE("64bit.inf") { verify("INF", std::numeric_limits::infinity()); @@ -817,53 +877,119 @@ TEST_CASE("64bit.inf") { verify("-infinity", -std::numeric_limits::infinity()); verify("inf", std::numeric_limits::infinity()); verify("-inf", -std::numeric_limits::infinity()); - verify("1234456789012345678901234567890e9999999999999999999999999999", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("-2139879401095466344511101915470454744.9813888656856943E+272", -std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("1.8e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("1.832312213213213232132132143451234453123412321321312e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("2e30000000000000000", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("2e3000", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("1.9e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); + verify("1234456789012345678901234567890e9999999999999999999999999999", + std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("-2139879401095466344511101915470454744.9813888656856943E+272", + -std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("1.8e308", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("1.832312213213213232132132143451234453123412321321312e308", + std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("2e30000000000000000", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("2e3000", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("1.9e308", std::numeric_limits::infinity(), + std::errc::result_out_of_range); } TEST_CASE("64bit.general") { - verify("0.95000000000000000000",0.95); - verify("22250738585072012e-324",0x1p-1022); /* limit between normal and subnormal*/ - verify("-22250738585072012e-324",-0x1p-1022); /* limit between normal and subnormal*/ + verify("0.95000000000000000000", 0.95); + verify("22250738585072012e-324", + 0x1p-1022); /* limit between normal and subnormal*/ + verify("-22250738585072012e-324", + -0x1p-1022); /* limit between normal and subnormal*/ verify("-1e-999", -0.0, std::errc::result_out_of_range); - verify("-2.2222222222223e-322",-0x1.68p-1069); + verify("-2.2222222222223e-322", -0x1.68p-1069); verify("9007199254740993.0", 0x1p+53); verify("860228122.6654514319E+90", 0x1.92bb20990715fp+328); - verify_runtime(append_zeros("9007199254740993.0",1000), 0x1p+53); + verify_runtime(append_zeros("9007199254740993.0", 1000), 0x1p+53); verify("10000000000000000000", 0x1.158e460913dp+63); - verify("10000000000000000000000000000001000000000000", 0x1.cb2d6f618c879p+142); - verify("10000000000000000000000000000000000000000001", 0x1.cb2d6f618c879p+142); + verify("10000000000000000000000000000001000000000000", + 0x1.cb2d6f618c879p+142); + verify("10000000000000000000000000000000000000000001", + 0x1.cb2d6f618c879p+142); verify("1.1920928955078125e-07", 1.1920928955078125e-07); - verify("9355950000000000000.00000000000000000000000000000000001844674407370955161600000184467440737095516161844674407370955161407370955161618446744073709551616000184467440737095516166000001844674407370955161618446744073709551614073709551616184467440737095516160001844674407370955161601844674407370955674451616184467440737095516140737095516161844674407370955161600018446744073709551616018446744073709551611616000184467440737095001844674407370955161600184467440737095516160018446744073709551168164467440737095516160001844073709551616018446744073709551616184467440737095516160001844674407536910751601611616000184467440737095001844674407370955161600184467440737095516160018446744073709551616184467440737095516160001844955161618446744073709551616000184467440753691075160018446744073709",0x1.03ae05e8fca1cp+63); - verify("-0",-0.0); - verify("2.22507385850720212418870147920222032907240528279439037814303133837435107319244194686754406432563881851382188218502438069999947733013005649884107791928741341929297200970481951993067993290969042784064731682041565926728632933630474670123316852983422152744517260835859654566319282835244787787799894310779783833699159288594555213714181128458251145584319223079897504395086859412457230891738946169368372321191373658977977723286698840356390251044443035457396733706583981055420456693824658413747607155981176573877626747665912387199931904006317334709003012790188175203447190250028061277777916798391090578584006464715943810511489154282775041174682194133952466682503431306181587829379004205392375072083366693241580002758391118854188641513168478436313080237596295773983001708984375e-308", 0x1.0000000000002p-1022); - verify("1.0000000000000006661338147750939242541790008544921875",1.0000000000000007); - verify("1090544144181609348835077142190",0x1.b8779f2474dfbp+99); + verify("9355950000000000000." + "000000000000000000000000000000000018446744073709551616000001844674407" + "370955161618446744073709551614073709551616184467440737095516160001844" + "674407370955161660000018446744073709551616184467440737095516140737095" + "516161844674407370955161600018446744073709551616018446744073709556744" + "516161844674407370955161407370955161618446744073709551616000184467440" + "737095516160184467440737095516116160001844674407370950018446744073709" + "551616001844674407370955161600184467440737095511681644674407370955161" + "600018440737095516160184467440737095516161844674407370955161600018446" + "744075369107516016116160001844674407370950018446744073709551616001844" + "674407370955161600184467440737095516161844674407370955161600018449551" + "61618446744073709551616000184467440753691075160018446744073709", + 0x1.03ae05e8fca1cp+63); + verify("-0", -0.0); + verify( + "2." + "225073858507202124188701479202220329072405282794390378143031338374351073" + "192441946867544064325638818513821882185024380699999477330130056498841077" + "919287413419292972009704819519930679932909690427840647316820415659267286" + "329336304746701233168529834221527445172608358596545663192828352447877877" + "998943107797838336991592885945552137141811284582511455843192230798975043" + "950868594124572308917389461693683723211913736589779777232866988403563902" + "510444430354573967337065839810554204566938246584137476071559811765738776" + "267476659123871999319040063173347090030127901881752034471902500280612777" + "779167983910905785840064647159438105114891542827750411746821941339524666" + "825034313061815878293790042053923750720833666932415800027583911188541886" + "41513168478436313080237596295773983001708984375e-308", + 0x1.0000000000002p-1022); + verify("1.0000000000000006661338147750939242541790008544921875", + 1.0000000000000007); + verify("1090544144181609348835077142190", 0x1.b8779f2474dfbp+99); verify("2.2250738585072013e-308", 2.2250738585072013e-308); verify("-92666518056446206563E3", -92666518056446206563E3); verify("-92666518056446206563E3", -92666518056446206563E3); - verify("-42823146028335318693e-128",-42823146028335318693e-128); - verify("90054602635948575728E72",90054602635948575728E72); - verify("1.00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309", 1.00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309); + verify("-42823146028335318693e-128", -42823146028335318693e-128); + verify("90054602635948575728E72", 90054602635948575728E72); + verify( + "1." + "000000000000001885589208702234638701745660206917535153946435506630705583" + "68373221972569761144603605635692374830246134201063722058e-309", + 1.00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309); verify("0e9999999999999999999999999999", 0.0); verify("-2402844368454405395.2", -2402844368454405395.2); verify("2402844368454405395.2", 2402844368454405395.2); - verify("7.0420557077594588669468784357561207962098443483187940792729600000e+59", 7.0420557077594588669468784357561207962098443483187940792729600000e+59); - verify("7.0420557077594588669468784357561207962098443483187940792729600000e+59", 7.0420557077594588669468784357561207962098443483187940792729600000e+59); - verify("-1.7339253062092163730578609458683877051596800000000000000000000000e+42", -1.7339253062092163730578609458683877051596800000000000000000000000e+42); - verify("-2.0972622234386619214559824785284023792871122537545728000000000000e+52", -2.0972622234386619214559824785284023792871122537545728000000000000e+52); - verify("-1.0001803374372191849407179462120053338028379051879898808320000000e+57", -1.0001803374372191849407179462120053338028379051879898808320000000e+57); - verify("-1.8607245283054342363818436991534856973992070520151142825984000000e+58", -1.8607245283054342363818436991534856973992070520151142825984000000e+58); - verify("-1.9189205311132686907264385602245237137907390376574976000000000000e+52", -1.9189205311132686907264385602245237137907390376574976000000000000e+52); - verify("-2.8184483231688951563253238886553506793085187889855201280000000000e+54", -2.8184483231688951563253238886553506793085187889855201280000000000e+54); - verify("-1.7664960224650106892054063261344555646357024359107788800000000000e+53", -1.7664960224650106892054063261344555646357024359107788800000000000e+53); - verify("-2.1470977154320536489471030463761883783915110400000000000000000000e+45", -2.1470977154320536489471030463761883783915110400000000000000000000e+45); - verify("-4.4900312744003159009338275160799498340862630046359789166919680000e+61", -4.4900312744003159009338275160799498340862630046359789166919680000e+61); + verify( + "7.0420557077594588669468784357561207962098443483187940792729600000e+59", + 7.0420557077594588669468784357561207962098443483187940792729600000e+59); + verify( + "7.0420557077594588669468784357561207962098443483187940792729600000e+59", + 7.0420557077594588669468784357561207962098443483187940792729600000e+59); + verify( + "-1.7339253062092163730578609458683877051596800000000000000000000000e+42", + -1.7339253062092163730578609458683877051596800000000000000000000000e+42); + verify( + "-2.0972622234386619214559824785284023792871122537545728000000000000e+52", + -2.0972622234386619214559824785284023792871122537545728000000000000e+52); + verify( + "-1.0001803374372191849407179462120053338028379051879898808320000000e+57", + -1.0001803374372191849407179462120053338028379051879898808320000000e+57); + verify( + "-1.8607245283054342363818436991534856973992070520151142825984000000e+58", + -1.8607245283054342363818436991534856973992070520151142825984000000e+58); + verify( + "-1.9189205311132686907264385602245237137907390376574976000000000000e+52", + -1.9189205311132686907264385602245237137907390376574976000000000000e+52); + verify( + "-2.8184483231688951563253238886553506793085187889855201280000000000e+54", + -2.8184483231688951563253238886553506793085187889855201280000000000e+54); + verify( + "-1.7664960224650106892054063261344555646357024359107788800000000000e+53", + -1.7664960224650106892054063261344555646357024359107788800000000000e+53); + verify( + "-2.1470977154320536489471030463761883783915110400000000000000000000e+45", + -2.1470977154320536489471030463761883783915110400000000000000000000e+45); + verify( + "-4.4900312744003159009338275160799498340862630046359789166919680000e+61", + -4.4900312744003159009338275160799498340862630046359789166919680000e+61); verify("1", 1.0); verify("1.797693134862315700000000000000001e308", 1.7976931348623157e308); verify("3e-324", 0x0.0000000000001p-1022); @@ -884,52 +1010,176 @@ TEST_CASE("64bit.general") { verify("4503599627370497.5", 4503599627370497.5); verify("45035996.273704995", 45035996.273704995); verify("45035996.273704985", 45035996.273704985); - verify("0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375); - verify("0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375); - verify("1438456663141390273526118207642235581183227845246331231162636653790368152091394196930365828634687637948157940776599182791387527135353034738357134110310609455693900824193549772792016543182680519740580354365467985440183598701312257624545562331397018329928613196125590274187720073914818062530830316533158098624984118889298281371812288789537310599037529113415438738954894752124724983067241108764488346454376699018673078404751121414804937224240805993123816932326223683090770561597570457793932985826162604255884529134126396282202126526253389383421806727954588525596114379801269094096329805054803089299736996870951258573010877404407451953846698609198213926882692078557033228265259305481198526059813164469187586693257335779522020407645498684263339921905227556616698129967412891282231685504660671277927198290009824680186319750978665734576683784255802269708917361719466043175201158849097881370477111850171579869056016061666173029059588433776015644439705050377554277696143928278093453792803846252715966016733222646442382892123940052441346822429721593884378212558701004356924243030059517489346646577724622498919752597382095222500311124181823512251071356181769376577651390028297796156208815375089159128394945710515861334486267101797497111125909272505194792870889617179758703442608016143343262159998149700606597792535574457560429226974273443630323818747730771316763398572110874959981923732463076884528677392654150010269822239401993427482376513231389212353583573566376915572650916866553612366187378959554983566712767093372906030188976220169058025354973622211666504549316958271880975697143546564469806791358707318873075708383345004090151974068325838177531266954177406661392229801349994695941509935655355652985723782153570084089560139142231.738475042362596875449154552392299548947138162081694168675340677843807613129780449323363759027012972466987370921816813162658754726545121090545507240267000456594786540949605260722461937870630634874991729398208026467698131898691830012167897399682179601734569071423681e-733", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("-2240084132271013504.131248280843119943687942846658579428", -0x1.f1660a65b00bfp+60); + verify( + "0." + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000044501477170144022721148195934182639518696390927032912" + "960468522194496444440421538910330590478162701758282983178260792422137401" + "728773891892910553144148156412434867599762821265346585071045737627442980" + "259622449029037796981144446145705102663115100318287949527959668236039986" + "479250965780342141637013812613333119898765515451440315261253813266652951" + "306000184917766328660755595837392240989947807556594098101021612198814605" + "258742579179000071675999344145086087205681577915435923018910334964869420" + "614052182892431445797605163650903606514140377217442262561590244668525767" + "372446430075513332450079650686719491377688478005309963967709758965844137" + "894433796621993967316936280457084866613206797017728916080020698679408551" + "343728867675409720757232455434770912461317493580281734466552734375", + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375); + verify( + "0." + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000022250738585072008890245868760858598876504231122409594" + "654935248025624400092282356951787758888037591552642309780950434312085877" + "387158357291821993020294379224223559819827501242041788969571311791082261" + "043971979604000454897391938079198936081525613113376149842043271751033627" + "391549782731594143828136275113838604094249464942286316695429105080201815" + "926642134996606517803095075913058719846423906068637102005108723282784678" + "843631944515866135041223479014792369585208321597621066375401613736583044" + "193603714778355306682834535634005074073040135602968046375918583163124224" + "521599262546494300836851861719422417646455137135420132217031370496583210" + "154654068035397417906022589503023501937519773030945763173210852507299305" + "089761582519159720757232455434770912461317493580281734466552734375", + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375); + verify( + "143845666314139027352611820764223558118322784524633123116263665379036815" + "209139419693036582863468763794815794077659918279138752713535303473835713" + "411031060945569390082419354977279201654318268051974058035436546798544018" + "359870131225762454556233139701832992861319612559027418772007391481806253" + "083031653315809862498411888929828137181228878953731059903752911341543873" + "895489475212472498306724110876448834645437669901867307840475112141480493" + "722424080599312381693232622368309077056159757045779393298582616260425588" + "452913412639628220212652625338938342180672795458852559611437980126909409" + "632980505480308929973699687095125857301087740440745195384669860919821392" + "688269207855703322826525930548119852605981316446918758669325733577952202" + "040764549868426333992190522755661669812996741289128223168550466067127792" + "719829000982468018631975097866573457668378425580226970891736171946604317" + "520115884909788137047711185017157986905601606166617302905958843377601564" + "443970505037755427769614392827809345379280384625271596601673322264644238" + "289212394005244134682242972159388437821255870100435692424303005951748934" + "664657772462249891975259738209522250031112418182351225107135618176937657" + "765139002829779615620881537508915912839494571051586133448626710179749711" + "112590927250519479287088961717975870344260801614334326215999814970060659" + "779253557445756042922697427344363032381874773077131676339857211087495998" + "192373246307688452867739265415001026982223940199342748237651323138921235" + "358357356637691557265091686655361236618737895955498356671276709337290603" + "018897622016905802535497362221166650454931695827188097569714354656446980" + "679135870731887307570838334500409015197406832583817753126695417740666139" + "2229801349994695941509935655355652985723782153570084089560139142231." + "738475042362596875449154552392299548947138162081694168675340677843807613" + "129780449323363759027012972466987370921816813162658754726545121090545507" + "240267000456594786540949605260722461937870630634874991729398208026467698" + "131898691830012167897399682179601734569071423681e-733", + std::numeric_limits::infinity(), std::errc::result_out_of_range); + verify("-2240084132271013504.131248280843119943687942846658579428", + -0x1.f1660a65b00bfp+60); } TEST_CASE("64bit.decimal_point") { - constexpr auto options = []{ + constexpr auto options = [] { fast_float::parse_options ret{}; ret.decimal_point = ','; return ret; }(); // infinities - verify_options("1,8e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify_options("1,832312213213213232132132143451234453123412321321312e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify_options("2e30000000000000000", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify_options("2e3000", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify_options("1,9e308", std::numeric_limits::infinity(), std::errc::result_out_of_range); + verify_options("1,8e308", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify_options("1,832312213213213232132132143451234453123412321321312e308", + std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify_options("2e30000000000000000", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify_options("2e3000", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify_options("1,9e308", std::numeric_limits::infinity(), + std::errc::result_out_of_range); // finites - verify_options("-2,2222222222223e-322",-0x1.68p-1069); + verify_options("-2,2222222222223e-322", -0x1.68p-1069); verify_options("9007199254740993,0", 0x1p+53); verify_options("860228122,6654514319E+90", 0x1.92bb20990715fp+328); - verify_options_runtime(append_zeros("9007199254740993,0",1000), 0x1p+53); + verify_options_runtime(append_zeros("9007199254740993,0", 1000), 0x1p+53); verify_options("1,1920928955078125e-07", 1.1920928955078125e-07); - verify_options("9355950000000000000,00000000000000000000000000000000001844674407370955161600000184467440737095516161844674407370955161407370955161618446744073709551616000184467440737095516166000001844674407370955161618446744073709551614073709551616184467440737095516160001844674407370955161601844674407370955674451616184467440737095516140737095516161844674407370955161600018446744073709551616018446744073709551611616000184467440737095001844674407370955161600184467440737095516160018446744073709551168164467440737095516160001844073709551616018446744073709551616184467440737095516160001844674407536910751601611616000184467440737095001844674407370955161600184467440737095516160018446744073709551616184467440737095516160001844955161618446744073709551616000184467440753691075160018446744073709",0x1.03ae05e8fca1cp+63); - verify_options("2,22507385850720212418870147920222032907240528279439037814303133837435107319244194686754406432563881851382188218502438069999947733013005649884107791928741341929297200970481951993067993290969042784064731682041565926728632933630474670123316852983422152744517260835859654566319282835244787787799894310779783833699159288594555213714181128458251145584319223079897504395086859412457230891738946169368372321191373658977977723286698840356390251044443035457396733706583981055420456693824658413747607155981176573877626747665912387199931904006317334709003012790188175203447190250028061277777916798391090578584006464715943810511489154282775041174682194133952466682503431306181587829379004205392375072083366693241580002758391118854188641513168478436313080237596295773983001708984375e-308", 0x1.0000000000002p-1022); - verify_options("1,0000000000000006661338147750939242541790008544921875",1.0000000000000007); + verify_options( + "9355950000000000000," + "000000000000000000000000000000000018446744073709551616000001844674407370" + "955161618446744073709551614073709551616184467440737095516160001844674407" + "370955161660000018446744073709551616184467440737095516140737095516161844" + "674407370955161600018446744073709551616018446744073709556744516161844674" + "407370955161407370955161618446744073709551616000184467440737095516160184" + "467440737095516116160001844674407370950018446744073709551616001844674407" + "370955161600184467440737095511681644674407370955161600018440737095516160" + "184467440737095516161844674407370955161600018446744075369107516016116160" + "001844674407370950018446744073709551616001844674407370955161600184467440" + "737095516161844674407370955161600018449551616184467440737095516160001844" + "67440753691075160018446744073709", + 0x1.03ae05e8fca1cp+63); + verify_options( + "2," + "225073858507202124188701479202220329072405282794390378143031338374351073" + "192441946867544064325638818513821882185024380699999477330130056498841077" + "919287413419292972009704819519930679932909690427840647316820415659267286" + "329336304746701233168529834221527445172608358596545663192828352447877877" + "998943107797838336991592885945552137141811284582511455843192230798975043" + "950868594124572308917389461693683723211913736589779777232866988403563902" + "510444430354573967337065839810554204566938246584137476071559811765738776" + "267476659123871999319040063173347090030127901881752034471902500280612777" + "779167983910905785840064647159438105114891542827750411746821941339524666" + "825034313061815878293790042053923750720833666932415800027583911188541886" + "41513168478436313080237596295773983001708984375e-308", + 0x1.0000000000002p-1022); + verify_options("1,0000000000000006661338147750939242541790008544921875", + 1.0000000000000007); verify_options("2,2250738585072013e-308", 2.2250738585072013e-308); - verify_options("1,00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309", 1.00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309); + verify_options( + "1," + "000000000000001885589208702234638701745660206917535153946435506630705583" + "68373221972569761144603605635692374830246134201063722058e-309", + 1.00000000000000188558920870223463870174566020691753515394643550663070558368373221972569761144603605635692374830246134201063722058e-309); verify_options("-2402844368454405395,2", -2402844368454405395.2); verify_options("2402844368454405395,2", 2402844368454405395.2); - verify_options("7,0420557077594588669468784357561207962098443483187940792729600000e+59", 7.0420557077594588669468784357561207962098443483187940792729600000e+59); - verify_options("7,0420557077594588669468784357561207962098443483187940792729600000e+59", 7.0420557077594588669468784357561207962098443483187940792729600000e+59); - verify_options("-1,7339253062092163730578609458683877051596800000000000000000000000e+42", -1.7339253062092163730578609458683877051596800000000000000000000000e+42); - verify_options("-2,0972622234386619214559824785284023792871122537545728000000000000e+52", -2.0972622234386619214559824785284023792871122537545728000000000000e+52); - verify_options("-1,0001803374372191849407179462120053338028379051879898808320000000e+57", -1.0001803374372191849407179462120053338028379051879898808320000000e+57); - verify_options("-1,8607245283054342363818436991534856973992070520151142825984000000e+58", -1.8607245283054342363818436991534856973992070520151142825984000000e+58); - verify_options("-1,9189205311132686907264385602245237137907390376574976000000000000e+52", -1.9189205311132686907264385602245237137907390376574976000000000000e+52); - verify_options("-2,8184483231688951563253238886553506793085187889855201280000000000e+54", -2.8184483231688951563253238886553506793085187889855201280000000000e+54); - verify_options("-1,7664960224650106892054063261344555646357024359107788800000000000e+53", -1.7664960224650106892054063261344555646357024359107788800000000000e+53); - verify_options("-2,1470977154320536489471030463761883783915110400000000000000000000e+45", -2.1470977154320536489471030463761883783915110400000000000000000000e+45); - verify_options("-4,4900312744003159009338275160799498340862630046359789166919680000e+61", -4.4900312744003159009338275160799498340862630046359789166919680000e+61); + verify_options( + "7,0420557077594588669468784357561207962098443483187940792729600000e+59", + 7.0420557077594588669468784357561207962098443483187940792729600000e+59); + verify_options( + "7,0420557077594588669468784357561207962098443483187940792729600000e+59", + 7.0420557077594588669468784357561207962098443483187940792729600000e+59); + verify_options( + "-1,7339253062092163730578609458683877051596800000000000000000000000e+42", + -1.7339253062092163730578609458683877051596800000000000000000000000e+42); + verify_options( + "-2,0972622234386619214559824785284023792871122537545728000000000000e+52", + -2.0972622234386619214559824785284023792871122537545728000000000000e+52); + verify_options( + "-1,0001803374372191849407179462120053338028379051879898808320000000e+57", + -1.0001803374372191849407179462120053338028379051879898808320000000e+57); + verify_options( + "-1,8607245283054342363818436991534856973992070520151142825984000000e+58", + -1.8607245283054342363818436991534856973992070520151142825984000000e+58); + verify_options( + "-1,9189205311132686907264385602245237137907390376574976000000000000e+52", + -1.9189205311132686907264385602245237137907390376574976000000000000e+52); + verify_options( + "-2,8184483231688951563253238886553506793085187889855201280000000000e+54", + -2.8184483231688951563253238886553506793085187889855201280000000000e+54); + verify_options( + "-1,7664960224650106892054063261344555646357024359107788800000000000e+53", + -1.7664960224650106892054063261344555646357024359107788800000000000e+53); + verify_options( + "-2,1470977154320536489471030463761883783915110400000000000000000000e+45", + -2.1470977154320536489471030463761883783915110400000000000000000000e+45); + verify_options( + "-4,4900312744003159009338275160799498340862630046359789166919680000e+61", + -4.4900312744003159009338275160799498340862630046359789166919680000e+61); verify_options("1", 1.0); - verify_options("1,797693134862315700000000000000001e308", 1.7976931348623157e308); + verify_options("1,797693134862315700000000000000001e308", + 1.7976931348623157e308); verify_options("3e-324", 0x0.0000000000001p-1022); verify_options("1,00000006e+09", 0x1.dcd651ep+29); verify_options("4,9406564584124653e-324", 0x0.0000000000001p-1022); @@ -948,11 +1198,44 @@ TEST_CASE("64bit.decimal_point") { verify_options("4503599627370497,5", 4503599627370497.5); verify_options("45035996,273704995", 45035996.273704995); verify_options("45035996,273704985", 45035996.273704985); - verify_options("0,000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375); - verify_options("0,000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375", 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375); + verify_options( + "0," + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000044501477170144022721148195934182639518696390927032912" + "960468522194496444440421538910330590478162701758282983178260792422137401" + "728773891892910553144148156412434867599762821265346585071045737627442980" + "259622449029037796981144446145705102663115100318287949527959668236039986" + "479250965780342141637013812613333119898765515451440315261253813266652951" + "306000184917766328660755595837392240989947807556594098101021612198814605" + "258742579179000071675999344145086087205681577915435923018910334964869420" + "614052182892431445797605163650903606514140377217442262561590244668525767" + "372446430075513332450079650686719491377688478005309963967709758965844137" + "894433796621993967316936280457084866613206797017728916080020698679408551" + "343728867675409720757232455434770912461317493580281734466552734375", + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044501477170144022721148195934182639518696390927032912960468522194496444440421538910330590478162701758282983178260792422137401728773891892910553144148156412434867599762821265346585071045737627442980259622449029037796981144446145705102663115100318287949527959668236039986479250965780342141637013812613333119898765515451440315261253813266652951306000184917766328660755595837392240989947807556594098101021612198814605258742579179000071675999344145086087205681577915435923018910334964869420614052182892431445797605163650903606514140377217442262561590244668525767372446430075513332450079650686719491377688478005309963967709758965844137894433796621993967316936280457084866613206797017728916080020698679408551343728867675409720757232455434770912461317493580281734466552734375); + verify_options( + "0," + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000000000022250738585072008890245868760858598876504231122409594" + "654935248025624400092282356951787758888037591552642309780950434312085877" + "387158357291821993020294379224223559819827501242041788969571311791082261" + "043971979604000454897391938079198936081525613113376149842043271751033627" + "391549782731594143828136275113838604094249464942286316695429105080201815" + "926642134996606517803095075913058719846423906068637102005108723282784678" + "843631944515866135041223479014792369585208321597621066375401613736583044" + "193603714778355306682834535634005074073040135602968046375918583163124224" + "521599262546494300836851861719422417646455137135420132217031370496583210" + "154654068035397417906022589503023501937519773030945763173210852507299305" + "089761582519159720757232455434770912461317493580281734466552734375", + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000022250738585072008890245868760858598876504231122409594654935248025624400092282356951787758888037591552642309780950434312085877387158357291821993020294379224223559819827501242041788969571311791082261043971979604000454897391938079198936081525613113376149842043271751033627391549782731594143828136275113838604094249464942286316695429105080201815926642134996606517803095075913058719846423906068637102005108723282784678843631944515866135041223479014792369585208321597621066375401613736583044193603714778355306682834535634005074073040135602968046375918583163124224521599262546494300836851861719422417646455137135420132217031370496583210154654068035397417906022589503023501937519773030945763173210852507299305089761582519159720757232455434770912461317493580281734466552734375); } - TEST_CASE("32bit.inf") { verify("INF", std::numeric_limits::infinity()); verify("-INF", -std::numeric_limits::infinity()); @@ -962,24 +1245,64 @@ TEST_CASE("32bit.inf") { verify("-infinity", -std::numeric_limits::infinity()); verify("inf", std::numeric_limits::infinity()); verify("-inf", -std::numeric_limits::infinity()); - verify("1234456789012345678901234567890e9999999999999999999999999999", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("2e3000", std::numeric_limits::infinity(), std::errc::result_out_of_range); - verify("3.5028234666e38", std::numeric_limits::infinity(), std::errc::result_out_of_range); + verify("1234456789012345678901234567890e9999999999999999999999999999", + std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("2e3000", std::numeric_limits::infinity(), + std::errc::result_out_of_range); + verify("3.5028234666e38", std::numeric_limits::infinity(), + std::errc::result_out_of_range); } TEST_CASE("32bit.general") { verify("-1e-999", -0.0f, std::errc::result_out_of_range); - verify("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125", 0x1.2ced3p+0f); - verify("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125e-38", 0x1.fffff8p-127f); - verify_runtime(append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",655), 0x1.2ced3p+0f); - verify_runtime(append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",656), 0x1.2ced3p+0f); - verify_runtime(append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",1000), 0x1.2ced3p+0f); + verify("1." + "175494140627517859246175898662808184331245864732796240031385942718174" + "6759860647699724722770042717456817626953125", + 0x1.2ced3p+0f); + verify("1." + "175494140627517859246175898662808184331245864732796240031385942718174" + "6759860647699724722770042717456817626953125e-38", + 0x1.fffff8p-127f); + verify_runtime( + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 655), + 0x1.2ced3p+0f); + verify_runtime( + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 656), + 0x1.2ced3p+0f); + verify_runtime( + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 1000), + 0x1.2ced3p+0f); std::string test_string; - test_string = append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",655) + std::string("e-38"); + test_string = + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 655) + + std::string("e-38"); verify_runtime(test_string, 0x1.fffff8p-127f); - test_string = append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",656) + std::string("e-38"); + test_string = + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 656) + + std::string("e-38"); verify_runtime(test_string, 0x1.fffff8p-127f); - test_string = append_zeros("1.1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",1000) + std::string("e-38"); + test_string = + append_zeros("1." + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 1000) + + std::string("e-38"); verify_runtime(test_string, 0x1.fffff8p-127f); verify32(1.00000006e+09f); verify32(1.4012984643e-45f); @@ -1030,18 +1353,45 @@ TEST_CASE("32bit.general") { verify("7.0064923216240854e-46", 0x1p-149f); verify("8388614.5", 8388614.5f); verify("0e9999999999999999999999999999", 0.f); - verify("4.7019774032891500318749461488889827112746622270883500860350068251e-38",4.7019774032891500318749461488889827112746622270883500860350068251e-38f); - verify("3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679", 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679f); - verify("2.3509887016445750159374730744444913556373311135441750430175034126e-38", 2.3509887016445750159374730744444913556373311135441750430175034126e-38f); + verify( + "4.7019774032891500318749461488889827112746622270883500860350068251e-38", + 4.7019774032891500318749461488889827112746622270883500860350068251e-38f); + verify( + "3." + "141592653589793238462643383279502884197169399375105820974944592307816406" + "2862089986280348253421170679", + 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679f); + verify( + "2.3509887016445750159374730744444913556373311135441750430175034126e-38", + 2.3509887016445750159374730744444913556373311135441750430175034126e-38f); verify("1", 1.f); verify("7.0060e-46", 0.f, std::errc::result_out_of_range); verify("3.4028234664e38", 0x1.fffffep+127f); verify("3.4028234665e38", 0x1.fffffep+127f); verify("3.4028234666e38", 0x1.fffffep+127f); - verify("0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625", 0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625); - verify("0.00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125", 0.00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125f); - verify("0.00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875", 0.00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875f); - verify("0.00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875", 0.00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875f); + verify( + "0." + "000000000000000000000000000000000000011754943508222875079687365372222456" + "778186655567720875215087517062784172594547271728515625", + 0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625); + verify( + "0." + "000000000000000000000000000000000000000000001401298464324817070923729583" + "289916131280261941876515771757068283889791082685860601486638188362121582" + "03125", + 0.00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125f); + verify( + "0." + "000000000000000000000000000000000000023509885615147285834557659820715330" + "266457179855179808553659262368500061299303460771170648513361811637878417" + "96875", + 0.00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875f); + verify( + "0." + "000000000000000000000000000000000000011754942106924410754870294448492873" + "488270524287458933338571745305715888704756189042655023513361811637878417" + "96875", + 0.00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875f); } TEST_CASE("32bit.decimal_point") { @@ -1052,20 +1402,57 @@ TEST_CASE("32bit.decimal_point") { }(); // infinity - verify_options("3,5028234666e38", std::numeric_limits::infinity(), std::errc::result_out_of_range); + verify_options("3,5028234666e38", std::numeric_limits::infinity(), + std::errc::result_out_of_range); // finites - verify_options("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125", 0x1.2ced3p+0f); - verify_options("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125e-38", 0x1.fffff8p-127f); - verify_options_runtime(append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",655), 0x1.2ced3p+0f); - verify_options_runtime(append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",656), 0x1.2ced3p+0f); - verify_options_runtime(append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",1000), 0x1.2ced3p+0f); + verify_options("1," + "1754941406275178592461758986628081843312458647327962400313859" + "427181746759860647699724722770042717456817626953125", + 0x1.2ced3p+0f); + verify_options("1," + "1754941406275178592461758986628081843312458647327962400313859" + "427181746759860647699724722770042717456817626953125e-38", + 0x1.fffff8p-127f); + verify_options_runtime( + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 655), + 0x1.2ced3p+0f); + verify_options_runtime( + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 656), + 0x1.2ced3p+0f); + verify_options_runtime( + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 1000), + 0x1.2ced3p+0f); std::string test_string; - test_string = append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",655) + std::string("e-38"); + test_string = + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 655) + + std::string("e-38"); verify_options_runtime(test_string, 0x1.fffff8p-127f); - test_string = append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",656) + std::string("e-38"); + test_string = + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 656) + + std::string("e-38"); verify_options_runtime(test_string, 0x1.fffff8p-127f); - test_string = append_zeros("1,1754941406275178592461758986628081843312458647327962400313859427181746759860647699724722770042717456817626953125",1000) + std::string("e-38"); + test_string = + append_zeros("1," + "17549414062751785924617589866280818433124586473279624003138" + "59427181746759860647699724722770042717456817626953125", + 1000) + + std::string("e-38"); verify_options_runtime(test_string, 0x1.fffff8p-127f); verify_options("1,1754943508e-38", 1.1754943508e-38f); verify_options("30219,0830078125", 30219.0830078125f); @@ -1073,16 +1460,43 @@ TEST_CASE("32bit.decimal_point") { verify_options("7,0064923216240854e-46", 0x1p-149f); verify_options("8388614,5", 8388614.5f); verify_options("0e9999999999999999999999999999", 0.f); - verify_options("4,7019774032891500318749461488889827112746622270883500860350068251e-38",4.7019774032891500318749461488889827112746622270883500860350068251e-38f); - verify_options("3,1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679", 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679f); - verify_options("2,3509887016445750159374730744444913556373311135441750430175034126e-38", 2.3509887016445750159374730744444913556373311135441750430175034126e-38f); + verify_options( + "4,7019774032891500318749461488889827112746622270883500860350068251e-38", + 4.7019774032891500318749461488889827112746622270883500860350068251e-38f); + verify_options( + "3," + "141592653589793238462643383279502884197169399375105820974944592307816406" + "2862089986280348253421170679", + 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679f); + verify_options( + "2,3509887016445750159374730744444913556373311135441750430175034126e-38", + 2.3509887016445750159374730744444913556373311135441750430175034126e-38f); verify_options("1", 1.f); verify_options("7,0060e-46", 0.f, std::errc::result_out_of_range); verify_options("3,4028234664e38", 0x1.fffffep+127f); verify_options("3,4028234665e38", 0x1.fffffep+127f); verify_options("3,4028234666e38", 0x1.fffffep+127f); - verify_options("0,000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625", 0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625); - verify_options("0,00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125", 0.00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125f); - verify_options("0,00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875", 0.00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875f); - verify_options("0,00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875", 0.00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875f); + verify_options( + "0," + "000000000000000000000000000000000000011754943508222875079687365372222456" + "778186655567720875215087517062784172594547271728515625", + 0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625); + verify_options( + "0," + "000000000000000000000000000000000000000000001401298464324817070923729583" + "289916131280261941876515771757068283889791082685860601486638188362121582" + "03125", + 0.00000000000000000000000000000000000000000000140129846432481707092372958328991613128026194187651577175706828388979108268586060148663818836212158203125f); + verify_options( + "0," + "000000000000000000000000000000000000023509885615147285834557659820715330" + "266457179855179808553659262368500061299303460771170648513361811637878417" + "96875", + 0.00000000000000000000000000000000000002350988561514728583455765982071533026645717985517980855365926236850006129930346077117064851336181163787841796875f); + verify_options( + "0," + "000000000000000000000000000000000000011754942106924410754870294448492873" + "488270524287458933338571745305715888704756189042655023513361811637878417" + "96875", + 0.00000000000000000000000000000000000001175494210692441075487029444849287348827052428745893333857174530571588870475618904265502351336181163787841796875f); } diff --git a/tests/bloat_analysis/a1.cpp b/tests/bloat_analysis/a1.cpp index a35e093..08dac4f 100644 --- a/tests/bloat_analysis/a1.cpp +++ b/tests/bloat_analysis/a1.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get1(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 1; } - return result_value; +double get1(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 1; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a10.cpp b/tests/bloat_analysis/a10.cpp index a1104a1..40df129 100644 --- a/tests/bloat_analysis/a10.cpp +++ b/tests/bloat_analysis/a10.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get10(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 10; } - return result_value; +double get10(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 10; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a2.cpp b/tests/bloat_analysis/a2.cpp index 7eee8a2..a8b0b50 100644 --- a/tests/bloat_analysis/a2.cpp +++ b/tests/bloat_analysis/a2.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get2(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 2; } - return result_value; +double get2(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 2; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a3.cpp b/tests/bloat_analysis/a3.cpp index 054048c..7e39d35 100644 --- a/tests/bloat_analysis/a3.cpp +++ b/tests/bloat_analysis/a3.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get3(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 3; } - return result_value; +double get3(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 3; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a4.cpp b/tests/bloat_analysis/a4.cpp index 7d182eb..8c8459a 100644 --- a/tests/bloat_analysis/a4.cpp +++ b/tests/bloat_analysis/a4.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get4(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 4; } - return result_value; +double get4(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 4; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a5.cpp b/tests/bloat_analysis/a5.cpp index 488c526..14d0c1c 100644 --- a/tests/bloat_analysis/a5.cpp +++ b/tests/bloat_analysis/a5.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get5(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 5; } - return result_value; +double get5(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 5; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a6.cpp b/tests/bloat_analysis/a6.cpp index f063541..7c19010 100644 --- a/tests/bloat_analysis/a6.cpp +++ b/tests/bloat_analysis/a6.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get6(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 6; } - return result_value; +double get6(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 6; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a7.cpp b/tests/bloat_analysis/a7.cpp index 34424ad..150b402 100644 --- a/tests/bloat_analysis/a7.cpp +++ b/tests/bloat_analysis/a7.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get7(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 7; } - return result_value; +double get7(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 7; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a8.cpp b/tests/bloat_analysis/a8.cpp index 316104b..1fffdfc 100644 --- a/tests/bloat_analysis/a8.cpp +++ b/tests/bloat_analysis/a8.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get8(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 8; } - return result_value; +double get8(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 8; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/a9.cpp b/tests/bloat_analysis/a9.cpp index 8941084..da65342 100644 --- a/tests/bloat_analysis/a9.cpp +++ b/tests/bloat_analysis/a9.cpp @@ -1,9 +1,11 @@ #include "fast_float/fast_float.h" - -double get9(const char* input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 9; } - return result_value; +double get9(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 9; + } + return result_value; } \ No newline at end of file diff --git a/tests/bloat_analysis/main.cpp b/tests/bloat_analysis/main.cpp index 60f26fc..72c928e 100644 --- a/tests/bloat_analysis/main.cpp +++ b/tests/bloat_analysis/main.cpp @@ -1,19 +1,20 @@ -double get1(const char* input); -double get2(const char* input); -double get3(const char* input); -double get4(const char* input); -double get5(const char* input); -double get6(const char* input); -double get7(const char* input); -double get8(const char* input); -double get9(const char* input); -double get10(const char* input); +double get1(const char *input); +double get2(const char *input); +double get3(const char *input); +double get4(const char *input); +double get5(const char *input); +double get6(const char *input); +double get7(const char *input); +double get8(const char *input); +double get9(const char *input); +double get10(const char *input); -int main(int arg, char** argv) { - double x = get1(argv[0]) + get2(argv[0]) + get3(argv[0]) + get4(argv[0]) + get5(argv[0]) - + get6(argv[0]) + get7(argv[0]) + get8(argv[0]) + get9(argv[0]) + get10(argv[0]); +int main(int arg, char **argv) { + double x = get1(argv[0]) + get2(argv[0]) + get3(argv[0]) + get4(argv[0]) + + get5(argv[0]) + get6(argv[0]) + get7(argv[0]) + get8(argv[0]) + + get9(argv[0]) + get10(argv[0]); - return int(x); + return int(x); } \ No newline at end of file diff --git a/tests/bloat_analysis/main_ref.cpp b/tests/bloat_analysis/main_ref.cpp index 80c8cb2..5631e0b 100644 --- a/tests/bloat_analysis/main_ref.cpp +++ b/tests/bloat_analysis/main_ref.cpp @@ -1,13 +1,16 @@ #include "fast_float/fast_float.h" -double get(const char * input) { - double result_value; - auto result = fast_float::from_chars(input, input + strlen(input), result_value); - if (result.ec != std::errc()) { return 10; } - return result_value; +double get(const char *input) { + double result_value; + auto result = + fast_float::from_chars(input, input + strlen(input), result_value); + if (result.ec != std::errc()) { + return 10; + } + return result_value; } -int main(int arg, char** argv) { - double x = get(argv[0]); - return int(x); +int main(int arg, char **argv) { + double x = get(argv[0]); + return int(x); } \ No newline at end of file diff --git a/tests/build_tests/issue72/foo.cpp b/tests/build_tests/issue72/foo.cpp index cbe2412..c2b9e1f 100644 --- a/tests/build_tests/issue72/foo.cpp +++ b/tests/build_tests/issue72/foo.cpp @@ -1,2 +1,2 @@ #include "test.h" -void foo() { } \ No newline at end of file +void foo() {} \ No newline at end of file diff --git a/tests/example_comma_test.cpp b/tests/example_comma_test.cpp index aa19735..92c3720 100644 --- a/tests/example_comma_test.cpp +++ b/tests/example_comma_test.cpp @@ -5,11 +5,15 @@ #include int main() { - const std::string input = "3,1416 xyz "; - double result; - fast_float::parse_options options{fast_float::chars_format::general, ','}; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); - if((answer.ec != std::errc()) || ((result != 3.1416))) { std::cerr << "parsing failure\n"; return EXIT_FAILURE; } - std::cout << "parsed the number " << result << std::endl; - return EXIT_SUCCESS; + const std::string input = "3,1416 xyz "; + double result; + fast_float::parse_options options{fast_float::chars_format::general, ','}; + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); + if ((answer.ec != std::errc()) || ((result != 3.1416))) { + std::cerr << "parsing failure\n"; + return EXIT_FAILURE; + } + std::cout << "parsed the number " << result << std::endl; + return EXIT_SUCCESS; } diff --git a/tests/example_test.cpp b/tests/example_test.cpp index 91437de..c5ef13e 100644 --- a/tests/example_test.cpp +++ b/tests/example_test.cpp @@ -4,36 +4,53 @@ #include #include - bool many() { - const std::string input = "234532.3426362,7869234.9823,324562.645"; + const std::string input = "234532.3426362,7869234.9823,324562.645"; double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); - if(answer.ec != std::errc()) { return false; } - if(result != 234532.3426362) { return false; } - if(answer.ptr[0] != ',') { return false; } - answer = fast_float::from_chars(answer.ptr + 1, input.data()+input.size(), result); - if(answer.ec != std::errc()) { return false; } - if(result != 7869234.9823) { return false; } - if(answer.ptr[0] != ',') { return false; } - answer = fast_float::from_chars(answer.ptr + 1, input.data()+input.size(), result); - if(answer.ec != std::errc()) { return false; } - if(result != 324562.645) { return false; } + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); + if (answer.ec != std::errc()) { + return false; + } + if (result != 234532.3426362) { + return false; + } + if (answer.ptr[0] != ',') { + return false; + } + answer = fast_float::from_chars(answer.ptr + 1, input.data() + input.size(), + result); + if (answer.ec != std::errc()) { + return false; + } + if (result != 7869234.9823) { + return false; + } + if (answer.ptr[0] != ',') { + return false; + } + answer = fast_float::from_chars(answer.ptr + 1, input.data() + input.size(), + result); + if (answer.ec != std::errc()) { + return false; + } + if (result != 324562.645) { + return false; + } return true; } - void many_loop() { - const std::string input = "234532.3426362,7869234.9823,324562.645"; + const std::string input = "234532.3426362,7869234.9823,324562.645"; double result; - const char* pointer = input.data(); - const char* end_pointer = input.data() + input.size(); + const char *pointer = input.data(); + const char *end_pointer = input.data() + input.size(); - while(pointer < end_pointer) { + while (pointer < end_pointer) { auto answer = fast_float::from_chars(pointer, end_pointer, result); - if(answer.ec != std::errc()) { - std::cerr << "error while parsing" << std::endl; - break; + if (answer.ec != std::errc()) { + std::cerr << "error while parsing" << std::endl; + break; } std::cout << "parsed: " << result << std::endl; pointer = answer.ptr; @@ -47,34 +64,39 @@ void many_loop() { // consteval forces compile-time evaluation of the function in C++20. consteval double parse(std::string_view input) { double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); - if(answer.ec != std::errc()) { return -1.0; } + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); + if (answer.ec != std::errc()) { + return -1.0; + } return result; } // This function should compile to a function which // merely returns 3.1415. -constexpr double constexptest() { - return parse("3.1415 input"); -} +constexpr double constexptest() { return parse("3.1415 input"); } #endif int main() { - const std::string input = "3.1416 xyz "; - double result; - auto answer = fast_float::from_chars(input.data(), input.data()+input.size(), result); - if((answer.ec != std::errc()) || ((result != 3.1416))) { std::cerr << "parsing failure\n"; return EXIT_FAILURE; } - std::cout << "parsed the number " << result << std::endl; + const std::string input = "3.1416 xyz "; + double result; + auto answer = + fast_float::from_chars(input.data(), input.data() + input.size(), result); + if ((answer.ec != std::errc()) || ((result != 3.1416))) { + std::cerr << "parsing failure\n"; + return EXIT_FAILURE; + } + std::cout << "parsed the number " << result << std::endl; - if(!many()) { - printf("Bug\n"); - return EXIT_FAILURE; - } - many_loop(); + if (!many()) { + printf("Bug\n"); + return EXIT_FAILURE; + } + many_loop(); #if FASTFLOAT_IS_CONSTEXPR - if constexpr(constexptest() != 3.1415) { - return EXIT_FAILURE; - } + if constexpr (constexptest() != 3.1415) { + return EXIT_FAILURE; + } #endif - return EXIT_SUCCESS; + return EXIT_SUCCESS; } diff --git a/tests/exhaustive32.cpp b/tests/exhaustive32.cpp index bddde23..8efd226 100644 --- a/tests/exhaustive32.cpp +++ b/tests/exhaustive32.cpp @@ -30,10 +30,12 @@ void allvalues() { const char *string_end = to_string(v, buffer); float result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; abort(); } @@ -42,9 +44,9 @@ void allvalues() { std::cerr << "not nan" << buffer << std::endl; abort(); } - } else if(copysign(1,result_value) != copysign(1,v)) { - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + } else if (copysign(1, result_value) != copysign(1, v)) { + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; abort(); } else if (result_value != v) { std::cerr << "no match ? " << buffer << std::endl; diff --git a/tests/exhaustive32_64.cpp b/tests/exhaustive32_64.cpp index 0c6285c..9e58e30 100644 --- a/tests/exhaustive32_64.cpp +++ b/tests/exhaustive32_64.cpp @@ -16,11 +16,10 @@ template char *to_string(T d, char *buffer) { return buffer + written; } - bool basic_test_64bit(std::string vals, double val) { double result_value; auto result = fast_float::from_chars(vals.data(), vals.data() + vals.size(), - result_value); + result_value); if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { std::cerr << " I could not parse " << vals << std::endl; return false; @@ -31,14 +30,14 @@ bool basic_test_64bit(std::string vals, double val) { std::cerr << "not nan" << result_value << std::endl; return false; } - } else if(copysign(1,result_value) != copysign(1,val)) { - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << val - << std::endl; + } else if (copysign(1, result_value) != copysign(1, val)) { + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << val << std::endl; return false; } else if (result_value != val) { std::cerr << vals << std::endl; - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << val - << std::endl; + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << val << std::endl; std::cerr << std::dec; std::cerr << "string: " << vals << std::endl; return false; @@ -46,7 +45,6 @@ bool basic_test_64bit(std::string vals, double val) { return true; } - void all_32bit_values() { char buffer[64]; for (uint64_t w = 0; w <= 0xFFFFFFFF; w++) { @@ -61,8 +59,8 @@ void all_32bit_values() { { const char *string_end = to_string(v, buffer); - std::string s(buffer, size_t(string_end-buffer)); - if(!basic_test_64bit(s,v)) { + std::string s(buffer, size_t(string_end - buffer)); + if (!basic_test_64bit(s, v)) { return; } } diff --git a/tests/exhaustive32_midpoint.cpp b/tests/exhaustive32_midpoint.cpp index 8b6f0a6..ca5e91b 100644 --- a/tests/exhaustive32_midpoint.cpp +++ b/tests/exhaustive32_midpoint.cpp @@ -15,29 +15,37 @@ #include #include // workaround for CYGWIN -double cygwin_strtod_l(const char* start, char** end) { - double d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +double cygwin_strtod_l(const char *start, char **end) { + double d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } -float cygwin_strtof_l(const char* start, char** end) { - float d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +float cygwin_strtof_l(const char *start, char **end) { + float d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } #endif @@ -47,20 +55,21 @@ template char *to_string(T d, char *buffer) { return buffer + written; } -void strtof_from_string(const char * st, float& d) { - char *pr = (char *)st; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtof_l(st, &pr); +void strtof_from_string(const char *st, float &d) { + char *pr = (char *)st; +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtof_l(st, &pr); #elif defined(_WIN32) - static _locale_t c_locale = _create_locale(LC_ALL, "C"); - d = _strtof_l(st, &pr, c_locale); + static _locale_t c_locale = _create_locale(LC_ALL, "C"); + d = _strtof_l(st, &pr, c_locale); #else - static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); - d = strtof_l(st, &pr, c_locale); + static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); + d = strtof_l(st, &pr, c_locale); #endif - if (pr == st) { - throw std::runtime_error("bug in strtod_from_string"); - } + if (pr == st) { + throw std::runtime_error("bug in strtod_from_string"); + } } bool allvalues() { @@ -73,10 +82,14 @@ bool allvalues() { } uint32_t word = uint32_t(w); memcpy(&v, &word, sizeof(v)); - if(std::isfinite(v)) { + if (std::isfinite(v)) { float nextf = std::nextafterf(v, INFINITY); - if(copysign(1,v) != copysign(1,nextf)) { continue; } - if(!std::isfinite(nextf)) { continue; } + if (copysign(1, v) != copysign(1, nextf)) { + continue; + } + if (!std::isfinite(nextf)) { + continue; + } double v1{v}; assert(float(v1) == v); double v2{nextf}; @@ -90,10 +103,12 @@ bool allvalues() { float result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; return false; } @@ -103,26 +118,30 @@ bool allvalues() { std::cerr << "v " << std::hexfloat << v << std::endl; std::cerr << "v2 " << std::hexfloat << v2 << std::endl; std::cerr << "midv " << std::hexfloat << midv << std::endl; - std::cerr << "expected_midv " << std::hexfloat << expected_midv << std::endl; + std::cerr << "expected_midv " << std::hexfloat << expected_midv + << std::endl; return false; } - } else if(copysign(1,result_value) != copysign(1,v)) { + } else if (copysign(1, result_value) != copysign(1, v)) { std::cerr << buffer << std::endl; std::cerr << "v " << std::hexfloat << v << std::endl; std::cerr << "v2 " << std::hexfloat << v2 << std::endl; std::cerr << "midv " << std::hexfloat << midv << std::endl; - std::cerr << "expected_midv " << std::hexfloat << expected_midv << std::endl; - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + std::cerr << "expected_midv " << std::hexfloat << expected_midv + << std::endl; + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; return false; } else if (result_value != str_answer) { std::cerr << "no match ? " << buffer << std::endl; std::cerr << "v " << std::hexfloat << v << std::endl; std::cerr << "v2 " << std::hexfloat << v2 << std::endl; std::cerr << "midv " << std::hexfloat << midv << std::endl; - std::cerr << "expected_midv " << std::hexfloat << expected_midv << std::endl; + std::cerr << "expected_midv " << std::hexfloat << expected_midv + << std::endl; std::cout << "started with " << std::hexfloat << midv << std::endl; - std::cout << "round down to " << std::hexfloat << str_answer << std::endl; + std::cout << "round down to " << std::hexfloat << str_answer + << std::endl; std::cout << "got back " << std::hexfloat << result_value << std::endl; std::cout << std::dec; return false; @@ -134,15 +153,24 @@ bool allvalues() { } inline void Assert(bool Assertion) { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - if (!Assertion) { std::cerr << "Omitting hard failure on msys/cygwin/sun systems."; } +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + if (!Assertion) { + std::cerr << "Omitting hard failure on msys/cygwin/sun systems."; + } #else - if (!Assertion) { throw std::runtime_error("bug"); } + if (!Assertion) { + throw std::runtime_error("bug"); + } #endif } int main() { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - std::cout << "Warning: msys/cygwin or solaris detected. This particular test is likely to generate false failures due to our reliance on the underlying runtime library as a gold standard." << std::endl; +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + std::cout << "Warning: msys/cygwin or solaris detected. This particular test " + "is likely to generate false failures due to our reliance on " + "the underlying runtime library as a gold standard." + << std::endl; #endif Assert(allvalues()); std::cout << std::endl; diff --git a/tests/fast_int.cpp b/tests/fast_int.cpp index 98a586c..e789837 100644 --- a/tests/fast_int.cpp +++ b/tests/fast_int.cpp @@ -11,10 +11,8 @@ #endif #endif - #if FASTFLOAT_CPLUSPLUS >= 201703L - #include #include #include @@ -24,29 +22,33 @@ #include /* -all tests conducted are to check fast_float::from_chars functionality with int and unsigned -test cases include: -int basic tests - numbers only, numbers with strings behind, decimals, negative numbers -unsigned basic tests - numbers only, numbers with strings behind, decimals -int invalid tests - strings only, strings with numbers behind, space in front of number, plus sign in front of number -unsigned invalid tests - strings only, strings with numbers behind, space in front of number, plus/minus sign in front of number -int out of range tests - numbers exceeding int bit size for 8, 16, 32, and 64 bits -unsigned out of range tests - numbers exceeding unsigned bit size 8, 16, 32, and 64 bits -int pointer tests - points to first character that is not recognized as int -unsigned pointer tests - points to first character that is not recognized as unsigned +all tests conducted are to check fast_float::from_chars functionality with int +and unsigned test cases include: int basic tests - numbers only, numbers with +strings behind, decimals, negative numbers unsigned basic tests - numbers only, +numbers with strings behind, decimals int invalid tests - strings only, strings +with numbers behind, space in front of number, plus sign in front of number +unsigned invalid tests - strings only, strings with numbers behind, space in +front of number, plus/minus sign in front of number int out of range tests - +numbers exceeding int bit size for 8, 16, 32, and 64 bits unsigned out of range +tests - numbers exceeding unsigned bit size 8, 16, 32, and 64 bits int pointer +tests - points to first character that is not recognized as int unsigned pointer +tests - points to first character that is not recognized as unsigned int/unsigned base 2 tests - numbers are converted from binary to decimal octal tests - numbers are converted from octal to decimal -hex tests - numbers are converted from hex to decimal (Note: 0x and 0X are considered invalid) -invalid base tests - any base not within 2-36 is invalid -out of range base tests - numbers exceeding int/unsigned bit size after converted from base (Note: only 64 bit int and unsigned are tested) -within range base tests - max/min numbers are still within int/unsigned bit size after converted from base (Note: only 64 bit int and unsigned are tested) -leading zeros tests - ignores all zeroes in front of valid number after converted from base +hex tests - numbers are converted from hex to decimal (Note: 0x and 0X are +considered invalid) invalid base tests - any base not within 2-36 is invalid out +of range base tests - numbers exceeding int/unsigned bit size after converted +from base (Note: only 64 bit int and unsigned are tested) within range base +tests - max/min numbers are still within int/unsigned bit size after converted +from base (Note: only 64 bit int and unsigned are tested) leading zeros tests - +ignores all zeroes in front of valid number after converted from base */ int main() { // int basic test - const std::vector int_basic_test_expected { 0, 10, -40, 1001, 9 }; - const std::vector int_basic_test { "0", "10 ", "-40", "1001 with text", "9.999" }; + const std::vector int_basic_test_expected{0, 10, -40, 1001, 9}; + const std::vector int_basic_test{"0", "10 ", "-40", + "1001 with text", "9.999"}; for (std::size_t i = 0; i < int_basic_test.size(); ++i) { const auto f = int_basic_test[i]; @@ -55,183 +57,208 @@ int main() { if (answer.ec != std::errc()) { if (answer.ec == std::errc::invalid_argument) { - std::cerr << "could not convert to int for input: \"" << f << "\" because of invalid argument" << std::endl; - } - else if (answer.ec == std::errc::result_out_of_range) { - std::cerr << "could not convert to int for input: \"" << f << "\" because it's out of range" << std::endl; - } - else { - std::cerr << "could not convert to int for input: \"" << f << "\" because of an unknown error" << std::endl; + std::cerr << "could not convert to int for input: \"" << f + << "\" because of invalid argument" << std::endl; + } else if (answer.ec == std::errc::result_out_of_range) { + std::cerr << "could not convert to int for input: \"" << f + << "\" because it's out of range" << std::endl; + } else { + std::cerr << "could not convert to int for input: \"" << f + << "\" because of an unknown error" << std::endl; } return EXIT_FAILURE; - } - else if (result != int_basic_test_expected[i]) { - std::cerr << "result \"" << f << "\" did not match with expected int: " << int_basic_test_expected[i] << std::endl; + } else if (result != int_basic_test_expected[i]) { + std::cerr << "result \"" << f << "\" did not match with expected int: " + << int_basic_test_expected[i] << std::endl; return EXIT_FAILURE; } } // unsigned basic test - const std::vector unsigned_basic_test_expected { 0, 10, 1001, 9 }; - const std::vector unsigned_basic_test { "0", "10 ", "1001 with text", "9.999" }; + const std::vector unsigned_basic_test_expected{0, 10, 1001, 9}; + const std::vector unsigned_basic_test{ + "0", "10 ", "1001 with text", "9.999"}; for (std::size_t i = 0; i < unsigned_basic_test.size(); ++i) { - const auto& f = unsigned_basic_test[i]; + const auto &f = unsigned_basic_test[i]; unsigned result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc()) { - std::cerr << "could not convert to unsigned for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to unsigned for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != unsigned_basic_test_expected[i]) { - std::cerr << "result \"" << f << "\" did not match with expected unsigned: " << unsigned_basic_test_expected[i] << std::endl; + } else if (result != unsigned_basic_test_expected[i]) { + std::cerr << "result \"" << f + << "\" did not match with expected unsigned: " + << unsigned_basic_test_expected[i] << std::endl; return EXIT_FAILURE; } } // int invalid error test - const std::vector int_invalid_argument_test{ "text", "text with 1002", "+50", " 50" }; + const std::vector int_invalid_argument_test{ + "text", "text with 1002", "+50", " 50"}; for (std::size_t i = 0; i < int_invalid_argument_test.size(); ++i) { - const auto& f = int_invalid_argument_test[i]; + const auto &f = int_invalid_argument_test[i]; int result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned invalid error test - const std::vector unsigned_invalid_argument_test{ "text", "text with 1002", "+50", " 50", "-50" }; + const std::vector unsigned_invalid_argument_test{ + "text", "text with 1002", "+50", " 50", "-50"}; for (std::size_t i = 0; i < unsigned_invalid_argument_test.size(); ++i) { - const auto& f = unsigned_invalid_argument_test[i]; + const auto &f = unsigned_invalid_argument_test[i]; unsigned result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int out of range error test #1 (8 bit) - const std::vector int_out_of_range_test_1{ "2000000000000000000000", "128", "-129"}; + const std::vector int_out_of_range_test_1{ + "2000000000000000000000", "128", "-129"}; for (std::size_t i = 0; i < int_out_of_range_test_1.size(); ++i) { - const auto& f = int_out_of_range_test_1[i]; + const auto &f = int_out_of_range_test_1[i]; int8_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int out of range error test #2 (16 bit) - const std::vector int_out_of_range_test_2{ "2000000000000000000000", "32768", "-32769"}; + const std::vector int_out_of_range_test_2{ + "2000000000000000000000", "32768", "-32769"}; for (std::size_t i = 0; i < int_out_of_range_test_2.size(); ++i) { - const auto& f = int_out_of_range_test_2[i]; + const auto &f = int_out_of_range_test_2[i]; int16_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int out of range error test #3 (32 bit) - const std::vector int_out_of_range_test_3{ "2000000000000000000000", "2147483648", "-2147483649"}; + const std::vector int_out_of_range_test_3{ + "2000000000000000000000", "2147483648", "-2147483649"}; for (std::size_t i = 0; i < int_out_of_range_test_3.size(); ++i) { - const auto& f = int_out_of_range_test_3[i]; + const auto &f = int_out_of_range_test_3[i]; int32_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int out of range error test #4 (64 bit) - const std::vector int_out_of_range_test_4{ "2000000000000000000000", "9223372036854775808", "-9223372036854775809"}; + const std::vector int_out_of_range_test_4{ + "2000000000000000000000", "9223372036854775808", "-9223372036854775809"}; for (std::size_t i = 0; i < int_out_of_range_test_4.size(); ++i) { - const auto& f = int_out_of_range_test_4[i]; + const auto &f = int_out_of_range_test_4[i]; int64_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned out of range error test #1 (8 bit) - const std::vector unsigned_out_of_range_test_1{ "2000000000000000000000", "256" }; + const std::vector unsigned_out_of_range_test_1{ + "2000000000000000000000", "256"}; for (std::size_t i = 0; i < unsigned_out_of_range_test_1.size(); ++i) { - const auto& f = unsigned_out_of_range_test_1[i]; + const auto &f = unsigned_out_of_range_test_1[i]; uint8_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned out of range error test #2 (16 bit) - const std::vector unsigned_out_of_range_test_2{ "2000000000000000000000", "65536" }; + const std::vector unsigned_out_of_range_test_2{ + "2000000000000000000000", "65536"}; for (std::size_t i = 0; i < unsigned_out_of_range_test_2.size(); ++i) { - const auto& f = unsigned_out_of_range_test_2[i]; + const auto &f = unsigned_out_of_range_test_2[i]; uint16_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned out of range error test #3 (32 bit) - const std::vector unsigned_out_of_range_test_3{ "2000000000000000000000", "4294967296" }; + const std::vector unsigned_out_of_range_test_3{ + "2000000000000000000000", "4294967296"}; for (std::size_t i = 0; i < unsigned_out_of_range_test_3.size(); ++i) { - const auto& f = unsigned_out_of_range_test_3[i]; + const auto &f = unsigned_out_of_range_test_3[i]; uint32_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned out of range error test #4 (64 bit) - const std::vector unsigned_out_of_range_test_4{ "2000000000000000000000", "18446744073709551616" }; + const std::vector unsigned_out_of_range_test_4{ + "2000000000000000000000", "18446744073709551616"}; for (std::size_t i = 0; i < unsigned_out_of_range_test_4.size(); ++i) { - const auto& f = unsigned_out_of_range_test_4[i]; + const auto &f = unsigned_out_of_range_test_4[i]; uint64_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int pointer test #1 (only numbers) - const std::vector int_pointer_test_1 { "0", "010", "-40" }; + const std::vector int_pointer_test_1{"0", "010", "-40"}; for (std::size_t i = 0; i < int_pointer_test_1.size(); ++i) { - const auto& f = int_pointer_test_1[i]; + const auto &f = int_pointer_test_1[i]; int result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); if (answer.ec != std::errc()) { - std::cerr << "could not convert to int for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to int for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (strcmp(answer.ptr, "") != 0) { - std::cerr << "ptr of result " << f << " did not match with expected ptr: \"\"" << std::endl; + } else if (strcmp(answer.ptr, "") != 0) { + std::cerr << "ptr of result " << f + << " did not match with expected ptr: \"\"" << std::endl; return EXIT_FAILURE; } } @@ -239,500 +266,554 @@ int main() { // int pointer test #2 (string behind numbers) const std::string_view int_pointer_test_2 = "1001 with text"; - const auto& f2 = int_pointer_test_2; + const auto &f2 = int_pointer_test_2; int result2; - auto answer2 = fast_float::from_chars(f2.data(), f2.data() + f2.size(), result2); + auto answer2 = + fast_float::from_chars(f2.data(), f2.data() + f2.size(), result2); if (strcmp(answer2.ptr, " with text") != 0) { - std::cerr << "ptr of result " << f2 << " did not match with expected ptr: \"with text\"" << std::endl; + std::cerr << "ptr of result " << f2 + << " did not match with expected ptr: \"with text\"" << std::endl; return EXIT_FAILURE; } // int pointer test #3 (string with newline behind numbers) const std::string_view int_pointer_test_3 = "1001 with text\n"; - const auto& f3 = int_pointer_test_3; + const auto &f3 = int_pointer_test_3; int result3; - auto answer3 = fast_float::from_chars(f3.data(), f3.data() + f3.size(), result3); + auto answer3 = + fast_float::from_chars(f3.data(), f3.data() + f3.size(), result3); if (strcmp(answer3.ptr, " with text\n") != 0) { - std::cerr << "ptr of result " << f3 << " did not match with expected ptr: with text" << std::endl; + std::cerr << "ptr of result " << f3 + << " did not match with expected ptr: with text" << std::endl; return EXIT_FAILURE; } // int pointer test #4 (float) const std::string_view int_pointer_test_4 = "9.999"; - const auto& f4 = int_pointer_test_4; + const auto &f4 = int_pointer_test_4; int result4; - auto answer4 = fast_float::from_chars(f4.data(), f4.data() + f4.size(), result4); + auto answer4 = + fast_float::from_chars(f4.data(), f4.data() + f4.size(), result4); if (strcmp(answer4.ptr, ".999") != 0) { - std::cerr << "ptr of result " << f4 << " did not match with expected ptr: .999" << std::endl; + std::cerr << "ptr of result " << f4 + << " did not match with expected ptr: .999" << std::endl; return EXIT_FAILURE; } // int pointer test #5 (invalid int) const std::string_view int_pointer_test_5 = "+50"; - const auto& f5 = int_pointer_test_5; + const auto &f5 = int_pointer_test_5; int result5; - auto answer5 = fast_float::from_chars(f5.data(), f5.data() + f5.size(), result5); + auto answer5 = + fast_float::from_chars(f5.data(), f5.data() + f5.size(), result5); if (strcmp(answer5.ptr, "+50") != 0) { - std::cerr << "ptr of result " << f5 << " did not match with expected ptr: +50" << std::endl; + std::cerr << "ptr of result " << f5 + << " did not match with expected ptr: +50" << std::endl; return EXIT_FAILURE; } // unsigned pointer test #2 (string behind numbers) const std::string_view unsigned_pointer_test_1 = "1001 with text"; - const auto& f6 = unsigned_pointer_test_1; + const auto &f6 = unsigned_pointer_test_1; unsigned result6; - auto answer6 = fast_float::from_chars(f6.data(), f6.data() + f6.size(), result6); + auto answer6 = + fast_float::from_chars(f6.data(), f6.data() + f6.size(), result6); if (strcmp(answer6.ptr, " with text") != 0) { - std::cerr << "ptr of result " << f6 << " did not match with expected ptr: with text" << std::endl; + std::cerr << "ptr of result " << f6 + << " did not match with expected ptr: with text" << std::endl; return EXIT_FAILURE; } // unsigned pointer test #2 (invalid unsigned) const std::string_view unsigned_pointer_test_2 = "-50"; - const auto& f7 = unsigned_pointer_test_2; + const auto &f7 = unsigned_pointer_test_2; unsigned result7; - auto answer7 = fast_float::from_chars(f7.data(), f7.data() + f7.size(), result7); + auto answer7 = + fast_float::from_chars(f7.data(), f7.data() + f7.size(), result7); if (strcmp(answer7.ptr, "-50") != 0) { - std::cerr << "ptr of result " << f7 << " did not match with expected ptr: -50" << std::endl; + std::cerr << "ptr of result " << f7 + << " did not match with expected ptr: -50" << std::endl; return EXIT_FAILURE; } // int base 2 test - const std::vector int_base_2_test_expected { 0, 1, 4, 2, -1 }; - const std::vector int_base_2_test { "0", "1", "100", "010", "-1" }; + const std::vector int_base_2_test_expected{0, 1, 4, 2, -1}; + const std::vector int_base_2_test{"0", "1", "100", "010", + "-1"}; for (std::size_t i = 0; i < int_base_2_test.size(); ++i) { const auto f = int_base_2_test[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); if (answer.ec != std::errc()) { - std::cerr << "could not convert to int for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to int for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != int_base_2_test_expected[i]) { - std::cerr << "result " << f << " did not match with expected int: " << int_base_2_test_expected[i] << std::endl; + } else if (result != int_base_2_test_expected[i]) { + std::cerr << "result " << f << " did not match with expected int: " + << int_base_2_test_expected[i] << std::endl; return EXIT_FAILURE; } } // unsigned base 2 test - const std::vector unsigned_base_2_test_expected { 0, 1, 4, 2 }; - const std::vector unsigned_base_2_test { "0", "1", "100", "010" }; + const std::vector unsigned_base_2_test_expected{0, 1, 4, 2}; + const std::vector unsigned_base_2_test{"0", "1", "100", + "010"}; for (std::size_t i = 0; i < unsigned_base_2_test.size(); ++i) { - const auto& f = unsigned_base_2_test[i]; + const auto &f = unsigned_base_2_test[i]; unsigned result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); if (answer.ec != std::errc()) { - std::cerr << "could not convert to unsigned for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to unsigned for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != unsigned_base_2_test_expected[i]) { - std::cerr << "result " << f << " did not match with expected unsigned: " << unsigned_base_2_test_expected[i] << std::endl; + } else if (result != unsigned_base_2_test_expected[i]) { + std::cerr << "result " << f << " did not match with expected unsigned: " + << unsigned_base_2_test_expected[i] << std::endl; return EXIT_FAILURE; } } // int invalid error base 2 test - const std::vector int_invalid_argument_base_2_test{ "2", "A", "-2" }; + const std::vector int_invalid_argument_base_2_test{"2", "A", + "-2"}; for (std::size_t i = 0; i < int_invalid_argument_base_2_test.size(); ++i) { - const auto& f = int_invalid_argument_base_2_test[i]; + const auto &f = int_invalid_argument_base_2_test[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned invalid error base 2 test - const std::vector unsigned_invalid_argument_base_2_test{ "2", "A", "-1", "-2" }; + const std::vector unsigned_invalid_argument_base_2_test{ + "2", "A", "-1", "-2"}; - for (std::size_t i = 0; i < unsigned_invalid_argument_base_2_test.size(); ++i) { - const auto& f = unsigned_invalid_argument_base_2_test[i]; + for (std::size_t i = 0; i < unsigned_invalid_argument_base_2_test.size(); + ++i) { + const auto &f = unsigned_invalid_argument_base_2_test[i]; unsigned result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 2); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // octal test - const std::vector base_octal_test_expected {0, 1, 7, 8, 9}; - const std::vector base_octal_test { "0", "1", "07", "010", "0011" }; + const std::vector base_octal_test_expected{0, 1, 7, 8, 9}; + const std::vector base_octal_test{"0", "1", "07", "010", + "0011"}; for (std::size_t i = 0; i < base_octal_test.size(); ++i) { - const auto& f = base_octal_test[i]; + const auto &f = base_octal_test[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 8); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 8); if (answer.ec != std::errc()) { - std::cerr << "could not convert to int for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to int for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != base_octal_test_expected[i]) { - std::cerr << "result " << f << " did not match with expected int: " << base_octal_test_expected[i] << std::endl; + } else if (result != base_octal_test_expected[i]) { + std::cerr << "result " << f << " did not match with expected int: " + << base_octal_test_expected[i] << std::endl; return EXIT_FAILURE; } } // hex test - const std::vector base_hex_test_expected { 0, 1, 15, 31, 0, 16}; - const std::vector base_hex_test { "0", "1", "F", "01f", "0x11", "10X11" }; + const std::vector base_hex_test_expected{0, 1, 15, 31, 0, 16}; + const std::vector base_hex_test{"0", "1", "F", + "01f", "0x11", "10X11"}; for (std::size_t i = 0; i < base_hex_test.size(); ++i) { - const auto& f = base_hex_test[i]; + const auto &f = base_hex_test[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 16); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 16); if (answer.ec != std::errc()) { - std::cerr << "could not convert to int for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to int for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != base_hex_test_expected[i]) { - std::cerr << "result " << f << " did not match with expected int: " << base_hex_test_expected[i] << std::endl; + } else if (result != base_hex_test_expected[i]) { + std::cerr << "result " << f << " did not match with expected int: " + << base_hex_test_expected[i] << std::endl; return EXIT_FAILURE; } } - // invalid base test #1 (-1) - const std::vector invalid_base_test_1 { "0", "1", "-1", "F", "10Z" }; + // invalid base test #1 (-1) + const std::vector invalid_base_test_1{"0", "1", "-1", "F", + "10Z"}; for (std::size_t i = 0; i < invalid_base_test_1.size(); ++i) { - const auto& f = invalid_base_test_1[i]; + const auto &f = invalid_base_test_1[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, -1); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, -1); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // invalid base test #2 (37) - const std::vector invalid_base_test_2 { "0", "1", "F", "Z", "10Z" }; + const std::vector invalid_base_test_2{"0", "1", "F", "Z", + "10Z"}; for (std::size_t i = 0; i < invalid_base_test_2.size(); ++i) { - const auto& f = invalid_base_test_2[i]; + const auto &f = invalid_base_test_2[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, 37); + auto answer = + fast_float::from_chars(f.data(), f.data() + f.size(), result, 37); if (answer.ec != std::errc::invalid_argument) { - std::cerr << "expected error should be 'invalid_argument' for: \"" << f << "\"" << std::endl; + std::cerr << "expected error should be 'invalid_argument' for: \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // int out of range error base test (64 bit) - const std::vector int_out_of_range_base_test { "1000000000000000000000000000000000000000000000000000000000000000", - "-1000000000000000000000000000000000000000000000000000000000000001", - "2021110011022210012102010021220101220222", - "-2021110011022210012102010021220101221000", - "20000000000000000000000000000000", - "-20000000000000000000000000000001", - "1104332401304422434310311213", - "-1104332401304422434310311214", - "1540241003031030222122212", - "-1540241003031030222122213", - "22341010611245052052301", - "-22341010611245052052302", - "1000000000000000000000", - "-1000000000000000000001", - "67404283172107811828", - "-67404283172107811830", - "9223372036854775808", - "-9223372036854775809", - "1728002635214590698", - "-1728002635214590699", - "41A792678515120368", - "-41A792678515120369", - "10B269549075433C38", - "-10B269549075433C39", - "4340724C6C71DC7A8", - "-4340724C6C71DC7A9", - "160E2AD3246366808", - "-160E2AD3246366809", - "8000000000000000", - "-8000000000000001", - "33D3D8307B214009", - "-33D3D8307B21400A", - "16AGH595DF825FA8", - "-16AGH595DF825FA9", - "BA643DCI0FFEEHI", - "-BA643DCI0FFEEI0", - "5CBFJIA3FH26JA8", - "-5CBFJIA3FH26JA9", - "2HEICIIIE82DH98", - "-2HEICIIIE82DH99", - "1ADAIBB21DCKFA8", - "-1ADAIBB21DCKFA9", - "I6K448CF4192C3", - "-I6K448CF4192C4", - "ACD772JNC9L0L8", - "-ACD772JNC9L0L9", - "64IE1FOCNN5G78", - "-64IE1FOCNN5G79", - "3IGOECJBMCA688", - "-3IGOECJBMCA689", - "27C48L5B37OAOQ", - "-27C48L5B37OAP0", - "1BK39F3AH3DMQ8", - "-1BK39F3AH3DMQ9", - "Q1SE8F0M04ISC", - "-Q1SE8F0M04ISD", - "HAJPPBC1FC208", - "-HAJPPBC1FC209", - "BM03I95HIA438", - "-BM03I95HIA439", - "8000000000000", - "-8000000000001", - "5HG4CK9JD4U38", - "-5HG4CK9JD4U39", - "3TDTK1V8J6TPQ", - "-3TDTK1V8J6TPR", - "2PIJMIKEXRXP8", - "-2PIJMIKEXRXP9", - "1Y2P0IJ32E8E8", - "-1Y2P0IJ32E8E9" }; + const std::vector int_out_of_range_base_test{ + "1000000000000000000000000000000000000000000000000000000000000000", + "-1000000000000000000000000000000000000000000000000000000000000001", + "2021110011022210012102010021220101220222", + "-2021110011022210012102010021220101221000", + "20000000000000000000000000000000", + "-20000000000000000000000000000001", + "1104332401304422434310311213", + "-1104332401304422434310311214", + "1540241003031030222122212", + "-1540241003031030222122213", + "22341010611245052052301", + "-22341010611245052052302", + "1000000000000000000000", + "-1000000000000000000001", + "67404283172107811828", + "-67404283172107811830", + "9223372036854775808", + "-9223372036854775809", + "1728002635214590698", + "-1728002635214590699", + "41A792678515120368", + "-41A792678515120369", + "10B269549075433C38", + "-10B269549075433C39", + "4340724C6C71DC7A8", + "-4340724C6C71DC7A9", + "160E2AD3246366808", + "-160E2AD3246366809", + "8000000000000000", + "-8000000000000001", + "33D3D8307B214009", + "-33D3D8307B21400A", + "16AGH595DF825FA8", + "-16AGH595DF825FA9", + "BA643DCI0FFEEHI", + "-BA643DCI0FFEEI0", + "5CBFJIA3FH26JA8", + "-5CBFJIA3FH26JA9", + "2HEICIIIE82DH98", + "-2HEICIIIE82DH99", + "1ADAIBB21DCKFA8", + "-1ADAIBB21DCKFA9", + "I6K448CF4192C3", + "-I6K448CF4192C4", + "ACD772JNC9L0L8", + "-ACD772JNC9L0L9", + "64IE1FOCNN5G78", + "-64IE1FOCNN5G79", + "3IGOECJBMCA688", + "-3IGOECJBMCA689", + "27C48L5B37OAOQ", + "-27C48L5B37OAP0", + "1BK39F3AH3DMQ8", + "-1BK39F3AH3DMQ9", + "Q1SE8F0M04ISC", + "-Q1SE8F0M04ISD", + "HAJPPBC1FC208", + "-HAJPPBC1FC209", + "BM03I95HIA438", + "-BM03I95HIA439", + "8000000000000", + "-8000000000001", + "5HG4CK9JD4U38", + "-5HG4CK9JD4U39", + "3TDTK1V8J6TPQ", + "-3TDTK1V8J6TPR", + "2PIJMIKEXRXP8", + "-2PIJMIKEXRXP9", + "1Y2P0IJ32E8E8", + "-1Y2P0IJ32E8E9"}; for (std::size_t i = 0; i < int_out_of_range_base_test.size(); ++i) { - const auto& f = int_out_of_range_base_test[i]; + const auto &f = int_out_of_range_base_test[i]; int64_t result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, int(2 + (i / 2))); + auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, + int(2 + (i / 2))); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } } // unsigned out of range error base test (64 bit) - const std::vector unsigned_out_of_range_base_test { "10000000000000000000000000000000000000000000000000000000000000000", - "11112220022122120101211020120210210211221", - "100000000000000000000000000000000", - "2214220303114400424121122431", - "3520522010102100444244424", - "45012021522523134134602", - "2000000000000000000000", - "145808576354216723757", - "18446744073709551616", - "335500516A429071285", - "839365134A2A240714", - "219505A9511A867B73", - "8681049ADB03DB172", - "2C1D56B648C6CD111", - "10000000000000000", - "67979G60F5428011", - "2D3FGB0B9CG4BD2G", - "141C8786H1CCAAGH", - "B53BJH07BE4DJ0G", - "5E8G4GGG7G56DIG", - "2L4LF104353J8KG", - "1DDH88H2782I516", - "L12EE5FN0JI1IG", - "C9C336O0MLB7EG", - "7B7N2PCNIOKCGG", - "4EO8HFAM6FLLMP", - "2NC6J26L66RHOG", - "1N3RSH11F098RO", - "14L9LKMO30O40G", - "ND075IB45K86G", - "G000000000000", - "B1W8P7J5Q9R6G", - "7ORP63SH4DPHI", - "5G24A25TWKWFG", - "3W5E11264SGSG" }; + const std::vector unsigned_out_of_range_base_test{ + "10000000000000000000000000000000000000000000000000000000000000000", + "11112220022122120101211020120210210211221", + "100000000000000000000000000000000", + "2214220303114400424121122431", + "3520522010102100444244424", + "45012021522523134134602", + "2000000000000000000000", + "145808576354216723757", + "18446744073709551616", + "335500516A429071285", + "839365134A2A240714", + "219505A9511A867B73", + "8681049ADB03DB172", + "2C1D56B648C6CD111", + "10000000000000000", + "67979G60F5428011", + "2D3FGB0B9CG4BD2G", + "141C8786H1CCAAGH", + "B53BJH07BE4DJ0G", + "5E8G4GGG7G56DIG", + "2L4LF104353J8KG", + "1DDH88H2782I516", + "L12EE5FN0JI1IG", + "C9C336O0MLB7EG", + "7B7N2PCNIOKCGG", + "4EO8HFAM6FLLMP", + "2NC6J26L66RHOG", + "1N3RSH11F098RO", + "14L9LKMO30O40G", + "ND075IB45K86G", + "G000000000000", + "B1W8P7J5Q9R6G", + "7ORP63SH4DPHI", + "5G24A25TWKWFG", + "3W5E11264SGSG"}; int base_unsigned = 2; for (std::size_t i = 0; i < unsigned_out_of_range_base_test.size(); ++i) { - const auto& f = unsigned_out_of_range_base_test[i]; + const auto &f = unsigned_out_of_range_base_test[i]; uint64_t result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, base_unsigned); + auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, + base_unsigned); if (answer.ec != std::errc::result_out_of_range) { - std::cerr << "expected error for should be 'result_out_of_range': \"" << f << "\"" << std::endl; + std::cerr << "expected error for should be 'result_out_of_range': \"" << f + << "\"" << std::endl; return EXIT_FAILURE; } ++base_unsigned; } // just within range base test (64 bit) - const std::vector int_within_range_base_test { "111111111111111111111111111111111111111111111111111111111111111", - "-1000000000000000000000000000000000000000000000000000000000000000", - "2021110011022210012102010021220101220221", - "-2021110011022210012102010021220101220222", - "13333333333333333333333333333333", - "-20000000000000000000000000000000", - "1104332401304422434310311212", - "-1104332401304422434310311213", - "1540241003031030222122211", - "-1540241003031030222122212", - "22341010611245052052300", - "-22341010611245052052301", - "777777777777777777777", - "-1000000000000000000000", - "67404283172107811827", - "-67404283172107811828", - "9223372036854775807", - "-9223372036854775808", - "1728002635214590697", - "-1728002635214590698", - "41A792678515120367", - "-41A792678515120368", - "10B269549075433C37", - "-10B269549075433C38", - "4340724C6C71DC7A7", - "-4340724C6C71DC7A8", - "160E2AD3246366807", - "-160E2AD3246366808", - "7FFFFFFFFFFFFFFF", - "-8000000000000000", - "33D3D8307B214008", - "-33D3D8307B214009", - "16AGH595DF825FA7", - "-16AGH595DF825FA8", - "BA643DCI0FFEEHH", - "-BA643DCI0FFEEHI", - "5CBFJIA3FH26JA7", - "-5CBFJIA3FH26JA8", - "2HEICIIIE82DH97", - "-2HEICIIIE82DH98", - "1ADAIBB21DCKFA7", - "-1ADAIBB21DCKFA8", - "I6K448CF4192C2", - "-I6K448CF4192C3", - "ACD772JNC9L0L7", - "-ACD772JNC9L0L8", - "64IE1FOCNN5G77", - "-64IE1FOCNN5G78", - "3IGOECJBMCA687", - "-3IGOECJBMCA688", - "27C48L5B37OAOP", - "-27C48L5B37OAOQ", - "1BK39F3AH3DMQ7", - "-1BK39F3AH3DMQ8", - "Q1SE8F0M04ISB", - "-Q1SE8F0M04ISC", - "HAJPPBC1FC207", - "-HAJPPBC1FC208", - "BM03I95HIA437", - "-BM03I95HIA438", - "7VVVVVVVVVVVV", - "-8000000000000", - "5HG4CK9JD4U37", - "-5HG4CK9JD4U38", - "3TDTK1V8J6TPP", - "-3TDTK1V8J6TPQ", - "2PIJMIKEXRXP7", - "-2PIJMIKEXRXP8", - "1Y2P0IJ32E8E7", - "-1Y2P0IJ32E8E8" }; + const std::vector int_within_range_base_test{ + "111111111111111111111111111111111111111111111111111111111111111", + "-1000000000000000000000000000000000000000000000000000000000000000", + "2021110011022210012102010021220101220221", + "-2021110011022210012102010021220101220222", + "13333333333333333333333333333333", + "-20000000000000000000000000000000", + "1104332401304422434310311212", + "-1104332401304422434310311213", + "1540241003031030222122211", + "-1540241003031030222122212", + "22341010611245052052300", + "-22341010611245052052301", + "777777777777777777777", + "-1000000000000000000000", + "67404283172107811827", + "-67404283172107811828", + "9223372036854775807", + "-9223372036854775808", + "1728002635214590697", + "-1728002635214590698", + "41A792678515120367", + "-41A792678515120368", + "10B269549075433C37", + "-10B269549075433C38", + "4340724C6C71DC7A7", + "-4340724C6C71DC7A8", + "160E2AD3246366807", + "-160E2AD3246366808", + "7FFFFFFFFFFFFFFF", + "-8000000000000000", + "33D3D8307B214008", + "-33D3D8307B214009", + "16AGH595DF825FA7", + "-16AGH595DF825FA8", + "BA643DCI0FFEEHH", + "-BA643DCI0FFEEHI", + "5CBFJIA3FH26JA7", + "-5CBFJIA3FH26JA8", + "2HEICIIIE82DH97", + "-2HEICIIIE82DH98", + "1ADAIBB21DCKFA7", + "-1ADAIBB21DCKFA8", + "I6K448CF4192C2", + "-I6K448CF4192C3", + "ACD772JNC9L0L7", + "-ACD772JNC9L0L8", + "64IE1FOCNN5G77", + "-64IE1FOCNN5G78", + "3IGOECJBMCA687", + "-3IGOECJBMCA688", + "27C48L5B37OAOP", + "-27C48L5B37OAOQ", + "1BK39F3AH3DMQ7", + "-1BK39F3AH3DMQ8", + "Q1SE8F0M04ISB", + "-Q1SE8F0M04ISC", + "HAJPPBC1FC207", + "-HAJPPBC1FC208", + "BM03I95HIA437", + "-BM03I95HIA438", + "7VVVVVVVVVVVV", + "-8000000000000", + "5HG4CK9JD4U37", + "-5HG4CK9JD4U38", + "3TDTK1V8J6TPP", + "-3TDTK1V8J6TPQ", + "2PIJMIKEXRXP7", + "-2PIJMIKEXRXP8", + "1Y2P0IJ32E8E7", + "-1Y2P0IJ32E8E8"}; for (std::size_t i = 0; i < int_within_range_base_test.size(); ++i) { - const auto& f = int_within_range_base_test[i]; + const auto &f = int_within_range_base_test[i]; int64_t result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, int(2 + (i / 2))); + auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, + int(2 + (i / 2))); if (answer.ec != std::errc()) { - std::cerr << "converting " << f << " to int failed (most likely out of range)" << std::endl; + std::cerr << "converting " << f + << " to int failed (most likely out of range)" << std::endl; return EXIT_FAILURE; } } // unsigned within range base test (64 bit) - const std::vector unsigned_within_range_base_test { "1111111111111111111111111111111111111111111111111111111111111111", - "11112220022122120101211020120210210211220", - "33333333333333333333333333333333", - "2214220303114400424121122430", - "3520522010102100444244423", - "45012021522523134134601", - "1777777777777777777777", - "145808576354216723756", - "18446744073709551615", - "335500516A429071284", - "839365134A2A240713", - "219505A9511A867B72", - "8681049ADB03DB171", - "2C1D56B648C6CD110", - "FFFFFFFFFFFFFFFF", - "67979G60F5428010", - "2D3FGB0B9CG4BD2F", - "141C8786H1CCAAGG", - "B53BJH07BE4DJ0F", - "5E8G4GGG7G56DIF", - "2L4LF104353J8KF", - "1DDH88H2782I515", - "L12EE5FN0JI1IF", - "C9C336O0MLB7EF", - "7B7N2PCNIOKCGF", - "4EO8HFAM6FLLMO", - "2NC6J26L66RHOF", - "1N3RSH11F098RN", - "14L9LKMO30O40F", - "ND075IB45K86F", - "FVVVVVVVVVVVV", - "B1W8P7J5Q9R6F", - "7ORP63SH4DPHH", - "5G24A25TWKWFF", - "3W5E11264SGSF" }; + const std::vector unsigned_within_range_base_test{ + "1111111111111111111111111111111111111111111111111111111111111111", + "11112220022122120101211020120210210211220", + "33333333333333333333333333333333", + "2214220303114400424121122430", + "3520522010102100444244423", + "45012021522523134134601", + "1777777777777777777777", + "145808576354216723756", + "18446744073709551615", + "335500516A429071284", + "839365134A2A240713", + "219505A9511A867B72", + "8681049ADB03DB171", + "2C1D56B648C6CD110", + "FFFFFFFFFFFFFFFF", + "67979G60F5428010", + "2D3FGB0B9CG4BD2F", + "141C8786H1CCAAGG", + "B53BJH07BE4DJ0F", + "5E8G4GGG7G56DIF", + "2L4LF104353J8KF", + "1DDH88H2782I515", + "L12EE5FN0JI1IF", + "C9C336O0MLB7EF", + "7B7N2PCNIOKCGF", + "4EO8HFAM6FLLMO", + "2NC6J26L66RHOF", + "1N3RSH11F098RN", + "14L9LKMO30O40F", + "ND075IB45K86F", + "FVVVVVVVVVVVV", + "B1W8P7J5Q9R6F", + "7ORP63SH4DPHH", + "5G24A25TWKWFF", + "3W5E11264SGSF"}; int base_unsigned2 = 2; for (std::size_t i = 0; i < unsigned_within_range_base_test.size(); ++i) { - const auto& f = unsigned_within_range_base_test[i]; + const auto &f = unsigned_within_range_base_test[i]; uint64_t result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, base_unsigned2); + auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, + base_unsigned2); if (answer.ec != std::errc()) { - std::cerr << "converting " << f << " to unsigned failed (most likely out of range)" << std::endl; + std::cerr << "converting " << f + << " to unsigned failed (most likely out of range)" + << std::endl; return EXIT_FAILURE; } ++base_unsigned2; } // int leading zeros test - const std::vector int_leading_zeros_test { "00000000000000000000000000000000000000000000000000000000000000000000001111110111", - "000000000000000000000000000000000000000000000000001101121", - "000000000000000000000000000000000000000033313", - "00000000000000000000000000000013030", - "0000000000000000000000000000004411", - "0000000000000000000000000000002650", - "0000000000000000000000000000001767", - "0000000000000000000000000000001347", - "0000000000000000000000000000001015", - "00000000000000000000843", - "00000000000000000000707", - "00000000000000000000601", - "00000000000000000000527", - "0000000000000000000047A", - "000000000000000000003F7", - "0000000000000000000038C", - "00000000000000000000327", - "000000000000000000002F8", - "000000000000000000002AF", - "00000000000000000000267", - "00000000000000000000223", - "000000000000000000001L3", - "000000000000000000001I7", - "000000000000000000001FF", - "000000000000000000001D1", - "000000000000000000001AG", - "00000000000000000000187", - "00000000000000000000160", - "0000000000000000000013P", - "0000000000000000000011N", - "00000000000000000000VN", - "00000000000000000000UP", - "00000000000000000000TT", - "00000000000000000000T0", - "00000000000000000000S7" }; + const std::vector int_leading_zeros_test{ + "000000000000000000000000000000000000000000000000000000000000000000000011" + "11110111", + "000000000000000000000000000000000000000000000000001101121", + "000000000000000000000000000000000000000033313", + "00000000000000000000000000000013030", + "0000000000000000000000000000004411", + "0000000000000000000000000000002650", + "0000000000000000000000000000001767", + "0000000000000000000000000000001347", + "0000000000000000000000000000001015", + "00000000000000000000843", + "00000000000000000000707", + "00000000000000000000601", + "00000000000000000000527", + "0000000000000000000047A", + "000000000000000000003F7", + "0000000000000000000038C", + "00000000000000000000327", + "000000000000000000002F8", + "000000000000000000002AF", + "00000000000000000000267", + "00000000000000000000223", + "000000000000000000001L3", + "000000000000000000001I7", + "000000000000000000001FF", + "000000000000000000001D1", + "000000000000000000001AG", + "00000000000000000000187", + "00000000000000000000160", + "0000000000000000000013P", + "0000000000000000000011N", + "00000000000000000000VN", + "00000000000000000000UP", + "00000000000000000000TT", + "00000000000000000000T0", + "00000000000000000000S7"}; for (std::size_t i = 0; i < int_leading_zeros_test.size(); ++i) { - const auto& f = int_leading_zeros_test[i]; + const auto &f = int_leading_zeros_test[i]; int result; - auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, int(i + 2)); + auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result, + int(i + 2)); if (answer.ec != std::errc()) { - std::cerr << "could not convert to int for input: \"" << f << "\"" << std::endl; + std::cerr << "could not convert to int for input: \"" << f << "\"" + << std::endl; return EXIT_FAILURE; - } - else if (result != 1015) { - std::cerr << "result " << f << " did not match with expected int: " << 1015 << std::endl; + } else if (result != 1015) { + std::cerr << "result " << f + << " did not match with expected int: " << 1015 << std::endl; return EXIT_FAILURE; } } @@ -745,8 +826,7 @@ int main() { if (answer.ec != std::errc()) { std::cerr << "could not convert to int for input: '0'" << std::endl; return EXIT_FAILURE; - } - else if (foo != 0) { + } else if (foo != 0) { std::cerr << "expected zero: " << foo << std::endl; return EXIT_FAILURE; } diff --git a/tests/fixedwidthtest.cpp b/tests/fixedwidthtest.cpp index 6f32395..8443501 100644 --- a/tests/fixedwidthtest.cpp +++ b/tests/fixedwidthtest.cpp @@ -7,14 +7,16 @@ #include int main() { - // Write some testcases for the parsing of floating point numbers in the float32_t type. - // We use the from_chars function defined in this library. + // Write some testcases for the parsing of floating point numbers in the + // float32_t type. We use the from_chars function defined in this library. #if __STDCPP_FLOAT32_T__ - const std::vector float32_test_expected{123.456f, -78.9f, 0.0001f, 3.40282e+038f}; - const std::vector float32_test{"123.456", "-78.9", "0.0001", "3.40282e+038"}; + const std::vector float32_test_expected{ + 123.456f, -78.9f, 0.0001f, 3.40282e+038f}; + const std::vector float32_test{"123.456", "-78.9", "0.0001", + "3.40282e+038"}; std::cout << "runing float32 test" << std::endl; for (std::size_t i = 0; i < float32_test.size(); ++i) { - const auto& f = float32_test[i]; + const auto &f = float32_test[i]; std::float32_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); @@ -22,8 +24,9 @@ int main() { std::cerr << "Failed to parse: \"" << f << "\"" << std::endl; return EXIT_FAILURE; } - if(result != float32_test_expected[i]) { - std::cerr << "Test failed for input: \"" << f << "\" expected " << float32_test_expected[i] << " got " << result << std::endl; + if (result != float32_test_expected[i]) { + std::cerr << "Test failed for input: \"" << f << "\" expected " + << float32_test_expected[i] << " got " << result << std::endl; return EXIT_FAILURE; } } @@ -33,11 +36,14 @@ int main() { #if __STDCPP_FLOAT64_T__ // Test cases for std::float64_t - const std::vector float64_test_expected{1.23e4, -5.67e-8, 1.7976931348623157e+308, -1.7976931348623157e+308}; - const std::vector float64_test{"1.23e4", "-5.67e-8", "1.7976931348623157e+308", "-1.7976931348623157e+308"}; + const std::vector float64_test_expected{ + 1.23e4, -5.67e-8, 1.7976931348623157e+308, -1.7976931348623157e+308}; + const std::vector float64_test{"1.23e4", "-5.67e-8", + "1.7976931348623157e+308", + "-1.7976931348623157e+308"}; std::cout << "runing float64 test" << std::endl; for (std::size_t i = 0; i < float64_test.size(); ++i) { - const auto& f = float64_test[i]; + const auto &f = float64_test[i]; std::float64_t result; auto answer = fast_float::from_chars(f.data(), f.data() + f.size(), result); @@ -45,8 +51,9 @@ int main() { std::cerr << "Failed to parse: \"" << f << "\"" << std::endl; return EXIT_FAILURE; } - if(result != float64_test_expected[i]) { - std::cerr << "Test failed for input: \"" << f << "\" expected " << float64_test_expected[i] << " got " << result << std::endl; + if (result != float64_test_expected[i]) { + std::cerr << "Test failed for input: \"" << f << "\" expected " + << float64_test_expected[i] << " got " << result << std::endl; return EXIT_FAILURE; } } diff --git a/tests/fortran.cpp b/tests/fortran.cpp index ec3f90b..5b8c95e 100644 --- a/tests/fortran.cpp +++ b/tests/fortran.cpp @@ -9,61 +9,66 @@ #include "fast_float/fast_float.h" - int main_readme() { - const std::string input = "1d+4"; - double result; - fast_float::parse_options options{ fast_float::chars_format::fortran }; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); - if((answer.ec != std::errc()) || ((result != 10000))) { std::cerr << "parsing failure\n" << result <<"\n"; return EXIT_FAILURE; } - std::cout << "parsed the number " << result << std::endl; - return EXIT_SUCCESS; + const std::string input = "1d+4"; + double result; + fast_float::parse_options options{fast_float::chars_format::fortran}; + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); + if ((answer.ec != std::errc()) || ((result != 10000))) { + std::cerr << "parsing failure\n" << result << "\n"; + return EXIT_FAILURE; + } + std::cout << "parsed the number " << result << std::endl; + return EXIT_SUCCESS; } -int main () -{ - const std::vector expected{ 10000, 1000, 100, 10, 1, .1, .01, .001, .0001 }; - const std::vector fmt1{ "1+4", "1+3", "1+2", "1+1", "1+0", "1-1", "1-2", - "1-3", "1-4" }; - const std::vector fmt2{ "1d+4", "1d+3", "1d+2", "1d+1", "1d+0", "1d-1", - "1d-2", "1d-3", "1d-4" }; - const std::vector fmt3{ "+1+4", "+1+3", "+1+2", "+1+1", "+1+0", "+1-1", - "+1-2", "+1-3", "+1-4" }; - const fast_float::parse_options options{ fast_float::chars_format::fortran }; +int main() { + const std::vector expected{10000, 1000, 100, 10, 1, + .1, .01, .001, .0001}; + const std::vector fmt1{"1+4", "1+3", "1+2", "1+1", "1+0", + "1-1", "1-2", "1-3", "1-4"}; + const std::vector fmt2{"1d+4", "1d+3", "1d+2", "1d+1", "1d+0", + "1d-1", "1d-2", "1d-3", "1d-4"}; + const std::vector fmt3{"+1+4", "+1+3", "+1+2", "+1+1", "+1+0", + "+1-1", "+1-2", "+1-3", "+1-4"}; + const fast_float::parse_options options{fast_float::chars_format::fortran}; - for ( auto const& f : fmt1 ) { - auto d{ std::distance( &fmt1[0], &f ) }; + for (auto const &f : fmt1) { + auto d{std::distance(&fmt1[0], &f)}; double result; - auto answer{ fast_float::from_chars_advanced( f.data(), f.data()+f.size(), result, - options ) }; - if ( answer.ec != std::errc() || result != expected[std::size_t(d)] ) { + auto answer{fast_float::from_chars_advanced(f.data(), f.data() + f.size(), + result, options)}; + if (answer.ec != std::errc() || result != expected[std::size_t(d)]) { std::cerr << "parsing failure on " << f << std::endl; return EXIT_FAILURE; } } - for ( auto const& f : fmt2 ) { - auto d{ std::distance( &fmt2[0], &f ) }; + for (auto const &f : fmt2) { + auto d{std::distance(&fmt2[0], &f)}; double result; - auto answer{ fast_float::from_chars_advanced( f.data(), f.data()+f.size(), result, - options ) }; - if ( answer.ec != std::errc() || result != expected[std::size_t(d)] ) { + auto answer{fast_float::from_chars_advanced(f.data(), f.data() + f.size(), + result, options)}; + if (answer.ec != std::errc() || result != expected[std::size_t(d)]) { std::cerr << "parsing failure on " << f << std::endl; return EXIT_FAILURE; } } - for ( auto const& f : fmt3 ) { - auto d{ std::distance( &fmt3[0], &f ) }; + for (auto const &f : fmt3) { + auto d{std::distance(&fmt3[0], &f)}; double result; - auto answer{ fast_float::from_chars_advanced( f.data(), f.data()+f.size(), result, - options ) }; - if ( answer.ec != std::errc() || result != expected[std::size_t(d)] ) { + auto answer{fast_float::from_chars_advanced(f.data(), f.data() + f.size(), + result, options)}; + if (answer.ec != std::errc() || result != expected[std::size_t(d)]) { std::cerr << "parsing failure on " << f << std::endl; return EXIT_FAILURE; } } - if(main_readme() != EXIT_SUCCESS) { return EXIT_FAILURE; } + if (main_readme() != EXIT_SUCCESS) { + return EXIT_FAILURE; + } return EXIT_SUCCESS; } diff --git a/tests/json_fmt.cpp b/tests/json_fmt.cpp index c4ff52a..53b6078 100644 --- a/tests/json_fmt.cpp +++ b/tests/json_fmt.cpp @@ -9,31 +9,43 @@ #include "fast_float/fast_float.h" int main_readme() { - const std::string input = "+.1"; // not valid - double result; - fast_float::parse_options options{ fast_float::chars_format::json }; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); - if(answer.ec == std::errc()) { std::cerr << "should have failed\n"; return EXIT_FAILURE; } - return EXIT_SUCCESS; + const std::string input = "+.1"; // not valid + double result; + fast_float::parse_options options{fast_float::chars_format::json}; + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); + if (answer.ec == std::errc()) { + std::cerr << "should have failed\n"; + return EXIT_FAILURE; + } + return EXIT_SUCCESS; } - int main_readme2() { - const std::string input = "inf"; // not valid in JSON - double result; - fast_float::parse_options options{ fast_float::chars_format::json }; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); - if(answer.ec == std::errc()) { std::cerr << "should have failed\n"; return EXIT_FAILURE; } - return EXIT_SUCCESS; + const std::string input = "inf"; // not valid in JSON + double result; + fast_float::parse_options options{fast_float::chars_format::json}; + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); + if (answer.ec == std::errc()) { + std::cerr << "should have failed\n"; + return EXIT_FAILURE; + } + return EXIT_SUCCESS; } int main_readme3() { - const std::string input = "inf"; // not valid in JSON but we allow it with json_or_infnan - double result; - fast_float::parse_options options{ fast_float::chars_format::json_or_infnan }; - auto answer = fast_float::from_chars_advanced(input.data(), input.data()+input.size(), result, options); - if(answer.ec != std::errc() || (!std::isinf(result))) { std::cerr << "should have parsed infinity\n"; return EXIT_FAILURE; } - return EXIT_SUCCESS; + const std::string input = + "inf"; // not valid in JSON but we allow it with json_or_infnan + double result; + fast_float::parse_options options{fast_float::chars_format::json_or_infnan}; + auto answer = fast_float::from_chars_advanced( + input.data(), input.data() + input.size(), result, options); + if (answer.ec != std::errc() || (!std::isinf(result))) { + std::cerr << "should have parsed infinity\n"; + return EXIT_FAILURE; + } + return EXIT_SUCCESS; } struct ExpectedResult { @@ -77,41 +89,44 @@ int main() { {"inf", {fast_float::parse_error::no_digits_in_integer_part, 0}}, {"nan(snan)", {fast_float::parse_error::no_digits_in_integer_part, 0}}}; - for (std::size_t i = 0; i < accept.size(); ++i) - { - const auto& s = accept[i].input; - const auto& expected = accept[i].expected; + for (std::size_t i = 0; i < accept.size(); ++i) { + const auto &s = accept[i].input; + const auto &expected = accept[i].expected; double result; - auto answer = fast_float::from_chars(s.data(), s.data() + s.size(), result, fast_float::chars_format::json_or_infnan); + auto answer = + fast_float::from_chars(s.data(), s.data() + s.size(), result, + fast_float::chars_format::json_or_infnan); if (answer.ec != std::errc()) { std::cerr << "json fmt rejected valid json " << s << std::endl; return EXIT_FAILURE; } if (result != expected.value) { - std::cerr << "json fmt gave wrong result " << s << " (expected " << expected.value << " got " << result << ")" << std::endl; + std::cerr << "json fmt gave wrong result " << s << " (expected " + << expected.value << " got " << result << ")" << std::endl; return EXIT_FAILURE; } if (std::string(answer.ptr) != expected.junk_chars) { - std::cerr << "json fmt has wrong trailing characters " << s << " (expected " << expected.junk_chars << " got " << answer.ptr << ")" << std::endl; + std::cerr << "json fmt has wrong trailing characters " << s + << " (expected " << expected.junk_chars << " got " << answer.ptr + << ")" << std::endl; return EXIT_FAILURE; } } - for (std::size_t i = 0; i < reject.size(); ++i) - { - const auto& s = reject[i].input; + for (std::size_t i = 0; i < reject.size(); ++i) { + const auto &s = reject[i].input; double result; - auto answer = fast_float::from_chars(s.data(), s.data() + s.size(), result, fast_float::chars_format::json); + auto answer = fast_float::from_chars(s.data(), s.data() + s.size(), result, + fast_float::chars_format::json); if (answer.ec == std::errc()) { std::cerr << "json fmt accepted invalid json " << s << std::endl; return EXIT_FAILURE; } } - for (std::size_t i = 0; i < reject.size(); ++i) - { - const auto& f = reject[i].input; - const auto& expected_reason = reject[i].reason; + for (std::size_t i = 0; i < reject.size(); ++i) { + const auto &f = reject[i].input; + const auto &expected_reason = reject[i].reason; auto answer = fast_float::parse_number_string( f.data(), f.data() + f.size(), fast_float::parse_options(fast_float::chars_format::json)); @@ -133,8 +148,12 @@ int main() { } } - if(main_readme() != EXIT_SUCCESS) { return EXIT_FAILURE; } - if(main_readme2() != EXIT_SUCCESS) { return EXIT_FAILURE; } + if (main_readme() != EXIT_SUCCESS) { + return EXIT_FAILURE; + } + if (main_readme2() != EXIT_SUCCESS) { + return EXIT_FAILURE; + } return EXIT_SUCCESS; } \ No newline at end of file diff --git a/tests/long_exhaustive32.cpp b/tests/long_exhaustive32.cpp index 9c297bd..8a9cea0 100644 --- a/tests/long_exhaustive32.cpp +++ b/tests/long_exhaustive32.cpp @@ -9,8 +9,7 @@ #include template char *to_string(T d, char *buffer) { - auto written = std::snprintf(buffer, 128, "%.*e", - 64, d); + auto written = std::snprintf(buffer, 128, "%.*e", 64, d); return buffer + written; } @@ -29,10 +28,12 @@ void allvalues() { const char *string_end = to_string(v, buffer); float result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; abort(); } @@ -41,13 +42,14 @@ void allvalues() { std::cerr << "not nan" << buffer << std::endl; abort(); } - } else if(copysign(1,result_value) != copysign(1,v)) { + } else if (copysign(1, result_value) != copysign(1, v)) { std::cerr << buffer << std::endl; - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; abort(); } else if (result_value != v) { - std::cerr << "no match ? " << buffer << " got " << result_value << " expected " << v << std::endl; + std::cerr << "no match ? " << buffer << " got " << result_value + << " expected " << v << std::endl; std::cout << "started with " << std::hexfloat << v << std::endl; std::cout << "got back " << std::hexfloat << result_value << std::endl; std::cout << std::dec; diff --git a/tests/long_exhaustive32_64.cpp b/tests/long_exhaustive32_64.cpp index b6d9d50..90836ab 100644 --- a/tests/long_exhaustive32_64.cpp +++ b/tests/long_exhaustive32_64.cpp @@ -7,8 +7,7 @@ #include template char *to_string(T d, char *buffer) { - auto written = std::snprintf(buffer, 128, "%.*e", - 64, d); + auto written = std::snprintf(buffer, 128, "%.*e", 64, d); return buffer + written; } @@ -28,10 +27,12 @@ void all_32bit_values() { const char *string_end = to_string(v, buffer); double result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; abort(); } @@ -40,9 +41,9 @@ void all_32bit_values() { std::cerr << "not nan" << buffer << std::endl; abort(); } - } else if(copysign(1,result_value) != copysign(1,v)) { - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + } else if (copysign(1, result_value) != copysign(1, v)) { + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; abort(); } else if (std::isnan(v)) { if (!std::isnan(result_value)) { diff --git a/tests/long_random64.cpp b/tests/long_random64.cpp index 419414e..22e9ab6 100644 --- a/tests/long_random64.cpp +++ b/tests/long_random64.cpp @@ -8,8 +8,7 @@ #include template char *to_string(T d, char *buffer) { - auto written = std::snprintf(buffer, 128, "%.*e", - 64, d); + auto written = std::snprintf(buffer, 128, "%.*e", 64, d); return buffer + written; } @@ -33,7 +32,8 @@ static inline void lehmer64_seed(uint64_t seed) { } static inline uint64_t lehmer64() { - fast_float::value128 v = fast_float::full_multiplication(g_lehmer64_state.low,UINT64_C(0xda942042e4dd58b5)); + fast_float::value128 v = fast_float::full_multiplication( + g_lehmer64_state.low, UINT64_C(0xda942042e4dd58b5)); v.high += g_lehmer64_state.high * UINT64_C(0xda942042e4dd58b5); g_lehmer64_state = v; return v.high; @@ -56,10 +56,12 @@ void random_values(size_t N) { const char *string_end = to_string(v, buffer); double result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; errors++; if (errors > 10) { @@ -75,10 +77,10 @@ void random_values(size_t N) { abort(); } } - } else if(copysign(1,result_value) != copysign(1,v)) { + } else if (copysign(1, result_value) != copysign(1, v)) { std::cerr << buffer << std::endl; - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; abort(); } else if (result_value != v) { std::cerr << "no match ? '" << buffer << "'" << std::endl; @@ -97,7 +99,8 @@ void random_values(size_t N) { int main() { errors = 0; - size_t N = size_t(1) << (sizeof(size_t) * 4); // shift: 32 for 64bit, 16 for 32bit + size_t N = + size_t(1) << (sizeof(size_t) * 4); // shift: 32 for 64bit, 16 for 32bit random_values(N); if (errors == 0) { std::cout << std::endl; diff --git a/tests/long_test.cpp b/tests/long_test.cpp index 85ac0be..5079b92 100644 --- a/tests/long_test.cpp +++ b/tests/long_test.cpp @@ -8,39 +8,44 @@ #include inline void Assert(bool Assertion) { - if (!Assertion) { throw std::runtime_error("bug"); } + if (!Assertion) { + throw std::runtime_error("bug"); + } } -template -bool test() { - std::string input = "0.156250000000000000000000000000000000000000 3.14159265358979323846264338327950288419716939937510 2.71828182845904523536028747135266249775724709369995"; - std::vector answers = {T(0.15625), T(3.141592653589793), T(2.718281828459045)}; - const char * begin = input.data(); - const char * end = input.data() + input.size(); - for(size_t i = 0; i < answers.size(); i++) { +template bool test() { + std::string input = "0.156250000000000000000000000000000000000000 " + "3.14159265358979323846264338327950288419716939937510 " + "2.71828182845904523536028747135266249775724709369995"; + std::vector answers = {T(0.15625), T(3.141592653589793), + T(2.718281828459045)}; + const char *begin = input.data(); + const char *end = input.data() + input.size(); + for (size_t i = 0; i < answers.size(); i++) { T result_value; - while((begin < end) && (std::isspace(*begin))) { begin++; } - auto result = fast_float::from_chars(begin, end, - result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + while ((begin < end) && (std::isspace(*begin))) { + begin++; + } + auto result = fast_float::from_chars(begin, end, result_value); + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(end - begin), begin); std::cerr << " I could not parse " << std::endl; return false; } - if(result_value != answers[i]) { + if (result_value != answers[i]) { printf("parsing %.*s\n", int(end - begin), begin); std::cerr << " Mismatch " << std::endl; std::cerr << " Expected " << answers[i] << std::endl; std::cerr << " Got " << result_value << std::endl; return false; - } begin = result.ptr; } - if(begin != end) { - std::cerr << " bad ending " << std::endl; - return false; + if (begin != end) { + std::cerr << " bad ending " << std::endl; + return false; } return true; } diff --git a/tests/powersoffive_hardround.cpp b/tests/powersoffive_hardround.cpp index 7f0903f..e6f7a8b 100644 --- a/tests/powersoffive_hardround.cpp +++ b/tests/powersoffive_hardround.cpp @@ -9,45 +9,53 @@ #include #include - -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) // Anything at all that is related to cygwin, msys and so forth will // always use this fallback because we cannot rely on it behaving as normal // gcc. #include // workaround for CYGWIN -double cygwin_strtod_l(const char* start, char** end) { - double d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +double cygwin_strtod_l(const char *start, char **end) { + double d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } -float cygwin_strtof_l(const char* start, char** end) { - float d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +float cygwin_strtof_l(const char *start, char **end) { + float d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } #endif - std::pair strtod_from_string(const char *st) { double d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtod_l(st, &pr); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtod_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); d = _strtod_l(st, &pr, c_locale); @@ -65,7 +73,8 @@ std::pair strtod_from_string(const char *st) { std::pair strtof_from_string(char *st) { float d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) d = cygwin_strtof_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); @@ -103,9 +112,11 @@ bool tester() { std::pair expected_double = strtod_from_string(to_be_parsed.c_str()); double result_value; - auto result = - fast_float::from_chars(to_be_parsed.data(), to_be_parsed.data() + to_be_parsed.size(), result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + auto result = fast_float::from_chars( + to_be_parsed.data(), to_be_parsed.data() + to_be_parsed.size(), + result_value); + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cout << to_be_parsed << std::endl; std::cerr << " I could not parse " << std::endl; return false; diff --git a/tests/random64.cpp b/tests/random64.cpp index 4836947..9e31bf4 100644 --- a/tests/random64.cpp +++ b/tests/random64.cpp @@ -14,7 +14,6 @@ template char *to_string(T d, char *buffer) { return buffer + written; } - static fast_float::value128 g_lehmer64_state; /** @@ -35,7 +34,8 @@ static inline void lehmer64_seed(uint64_t seed) { } static inline uint64_t lehmer64() { - fast_float::value128 v = fast_float::full_multiplication(g_lehmer64_state.low,UINT64_C(0xda942042e4dd58b5)); + fast_float::value128 v = fast_float::full_multiplication( + g_lehmer64_state.low, UINT64_C(0xda942042e4dd58b5)); v.high += g_lehmer64_state.high * UINT64_C(0xda942042e4dd58b5); g_lehmer64_state = v; return v.high; @@ -59,10 +59,12 @@ void random_values(size_t N) { const char *string_end = to_string(v, buffer); double result_value; auto result = fast_float::from_chars(buffer, string_end, result_value); - // Starting with version 4.0 for fast_float, we return result_out_of_range if the - // value is either too small (too close to zero) or too large (effectively infinity). - // So std::errc::result_out_of_range is normal for well-formed input strings. - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + // Starting with version 4.0 for fast_float, we return result_out_of_range + // if the value is either too small (too close to zero) or too large + // (effectively infinity). So std::errc::result_out_of_range is normal for + // well-formed input strings. + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { std::cerr << "parsing error ? " << buffer << std::endl; errors++; if (errors > 10) { @@ -78,10 +80,10 @@ void random_values(size_t N) { abort(); } } - } else if(copysign(1,result_value) != copysign(1,v)) { + } else if (copysign(1, result_value) != copysign(1, v)) { std::cerr << buffer << std::endl; - std::cerr << "I got " << std::hexfloat << result_value << " but I was expecting " << v - << std::endl; + std::cerr << "I got " << std::hexfloat << result_value + << " but I was expecting " << v << std::endl; abort(); } else if (result_value != v) { std::cerr << "no match ? " << buffer << std::endl; @@ -100,7 +102,8 @@ void random_values(size_t N) { int main() { errors = 0; - size_t N = size_t(1) << (sizeof(size_t) * 4); // shift: 32 for 64bit, 16 for 32bit + size_t N = + size_t(1) << (sizeof(size_t) * 4); // shift: 32 for 64bit, 16 for 32bit random_values(N); if (errors == 0) { std::cout << std::endl; diff --git a/tests/random_string.cpp b/tests/random_string.cpp index 7ecfc6b..ee291dc 100644 --- a/tests/random_string.cpp +++ b/tests/random_string.cpp @@ -7,51 +7,61 @@ #include #include -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) // Anything at all that is related to cygwin, msys and so forth will // always use this fallback because we cannot rely on it behaving as normal // gcc. #include #include // workaround for CYGWIN -double cygwin_strtod_l(const char* start, char** end) { - double d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +double cygwin_strtod_l(const char *start, char **end) { + double d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } -float cygwin_strtof_l(const char* start, char** end) { - float d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +float cygwin_strtof_l(const char *start, char **end) { + float d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } #endif class RandomEngine { public: RandomEngine() = delete; - RandomEngine(uint64_t new_seed) : wyhash64_x_(new_seed) {}; + RandomEngine(uint64_t new_seed) : wyhash64_x_(new_seed){}; uint64_t next() { // Adapted from https://github.com/wangyi-fudan/wyhash/blob/master/wyhash.h // Inspired from // https://github.com/lemire/testingRNG/blob/master/source/wyhash.h wyhash64_x_ += UINT64_C(0x60bee2bee120fc15); - fast_float::value128 tmp = fast_float::full_multiplication(wyhash64_x_, UINT64_C(0xa3b195354a39b70d)); + fast_float::value128 tmp = fast_float::full_multiplication( + wyhash64_x_, UINT64_C(0xa3b195354a39b70d)); uint64_t m1 = (tmp.high) ^ tmp.low; - tmp = fast_float::full_multiplication(m1, UINT64_C(0x1b03738712fad5c9)); + tmp = fast_float::full_multiplication(m1, UINT64_C(0x1b03738712fad5c9)); uint64_t m2 = (tmp.high) ^ tmp.low; return m2; } @@ -68,7 +78,7 @@ public: }*/ uint64_t s = uint64_t(max - min + 1); uint64_t x = next(); - fast_float::value128 m = fast_float::full_multiplication(x, s); + fast_float::value128 m = fast_float::full_multiplication(x, s); uint64_t l = m.low; if (l < s) { uint64_t t = -s % s; @@ -92,8 +102,9 @@ size_t build_random_string(RandomEngine &rand, char *buffer) { buffer[pos++] = '-'; } int number_of_digits = rand.next_ranged_int(1, 100); - if(number_of_digits == 100) { - // With low probability, we want to allow very long strings just to stress the system. + if (number_of_digits == 100) { + // With low probability, we want to allow very long strings just to stress + // the system. number_of_digits = rand.next_ranged_int(1, 2000); } int location_of_decimal_separator = rand.next_ranged_int(1, number_of_digits); @@ -103,7 +114,8 @@ size_t build_random_string(RandomEngine &rand, char *buffer) { } buffer[pos] = char(rand.next_digit() + '0'); // We can have a leading zero only if location_of_decimal_separator = 1. - while(i == 0 && 1 != size_t(location_of_decimal_separator) && buffer[pos] == '0') { + while (i == 0 && 1 != size_t(location_of_decimal_separator) && + buffer[pos] == '0') { buffer[pos] = char(rand.next_digit() + '0'); } pos++; @@ -133,8 +145,9 @@ size_t build_random_string(RandomEngine &rand, char *buffer) { std::pair strtod_from_string(char *st) { double d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtod_l(st, &pr); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtod_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); d = _strtod_l(st, &pr, c_locale); @@ -152,8 +165,9 @@ std::pair strtod_from_string(char *st) { std::pair strtof_from_string(char *st) { float d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtof_l(st, &pr); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtof_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); d = _strtof_l(st, &pr, c_locale); @@ -176,14 +190,18 @@ bool tester(uint64_t seed, size_t volume) { char buffer[4096]; // large buffer (can't overflow) RandomEngine rand(seed); for (size_t i = 0; i < volume; i++) { - if((i%100000) == 0) { std::cout << "."; std::cout.flush(); } + if ((i % 100000) == 0) { + std::cout << "."; + std::cout.flush(); + } size_t length = build_random_string(rand, buffer); std::pair expected_double = strtod_from_string(buffer); if (expected_double.second) { double result_value; auto result = fast_float::from_chars(buffer, buffer + length, result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(length), buffer); std::cerr << " I could not parse " << std::endl; return false; @@ -206,7 +224,8 @@ bool tester(uint64_t seed, size_t volume) { float result_value; auto result = fast_float::from_chars(buffer, buffer + length, result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(length), buffer); std::cerr << " I could not parse " << std::endl; return false; @@ -230,7 +249,8 @@ bool tester(uint64_t seed, size_t volume) { int main() { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) std::cout << "Warning: msys/cygwin or solaris detected." << std::endl; return EXIT_SUCCESS; #else diff --git a/tests/rcppfastfloat_test.cpp b/tests/rcppfastfloat_test.cpp index 717f560..4017e10 100644 --- a/tests/rcppfastfloat_test.cpp +++ b/tests/rcppfastfloat_test.cpp @@ -75,7 +75,7 @@ bool eddelbuettel() { {true, 0.1}, {true, 10}, {true, 10}, - }; + }; for (size_t i = 0; i < inputs.size(); i++) { const std::string &input = inputs[i]; std::pair expected = expected_results[i]; @@ -121,7 +121,8 @@ bool eddelbuettel() { if (std::isnan(result) && std::isnan(expected.second)) { continue; } - std::cout << "results do not match. Expected "<< expected.second << std::endl; + std::cout << "results do not match. Expected " << expected.second + << std::endl; return false; } } diff --git a/tests/short_random_string.cpp b/tests/short_random_string.cpp index fd894ab..06393be 100644 --- a/tests/short_random_string.cpp +++ b/tests/short_random_string.cpp @@ -7,51 +7,61 @@ #include #include -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) // Anything at all that is related to cygwin, msys and so forth will // always use this fallback because we cannot rely on it behaving as normal // gcc. #include #include // workaround for CYGWIN -double cygwin_strtod_l(const char* start, char** end) { - double d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +double cygwin_strtod_l(const char *start, char **end) { + double d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } -float cygwin_strtof_l(const char* start, char** end) { - float d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +float cygwin_strtof_l(const char *start, char **end) { + float d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } #endif class RandomEngine { public: RandomEngine() = delete; - RandomEngine(uint64_t new_seed) : wyhash64_x_(new_seed) { }; + RandomEngine(uint64_t new_seed) : wyhash64_x_(new_seed){}; uint64_t next() { // Adapted from https://github.com/wangyi-fudan/wyhash/blob/master/wyhash.h // Inspired from // https://github.com/lemire/testingRNG/blob/master/source/wyhash.h wyhash64_x_ += UINT64_C(0x60bee2bee120fc15); - fast_float::value128 tmp = fast_float::full_multiplication(wyhash64_x_, UINT64_C(0xa3b195354a39b70d)); + fast_float::value128 tmp = fast_float::full_multiplication( + wyhash64_x_, UINT64_C(0xa3b195354a39b70d)); uint64_t m1 = (tmp.high) ^ tmp.low; - tmp = fast_float::full_multiplication(m1, UINT64_C(0x1b03738712fad5c9)); + tmp = fast_float::full_multiplication(m1, UINT64_C(0x1b03738712fad5c9)); uint64_t m2 = (tmp.high) ^ tmp.low; return m2; } @@ -68,7 +78,7 @@ public: }*/ uint64_t s = uint64_t(max - min + 1); uint64_t x = next(); - fast_float::value128 m = fast_float::full_multiplication(x, s); + fast_float::value128 m = fast_float::full_multiplication(x, s); uint64_t l = m.low; if (l < s) { uint64_t t = -s % s; @@ -99,7 +109,8 @@ size_t build_random_string(RandomEngine &rand, char *buffer) { } buffer[pos] = char(rand.next_digit() + '0'); // We can have a leading zero only if location_of_decimal_separator = 1. - while(i == 0 && 1 != size_t(location_of_decimal_separator) && buffer[pos] == '0') { + while (i == 0 && 1 != size_t(location_of_decimal_separator) && + buffer[pos] == '0') { buffer[pos] = char(rand.next_digit() + '0'); } pos++; @@ -129,8 +140,9 @@ size_t build_random_string(RandomEngine &rand, char *buffer) { std::pair strtod_from_string(char *st) { double d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtod_l(st, &pr); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtod_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); d = _strtod_l(st, &pr, c_locale); @@ -148,8 +160,9 @@ std::pair strtod_from_string(char *st) { std::pair strtof_from_string(char *st) { float d; char *pr; -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtof_l(st, &pr); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtof_l(st, &pr); #elif defined(_WIN32) static _locale_t c_locale = _create_locale(LC_ALL, "C"); d = _strtof_l(st, &pr, c_locale); @@ -172,14 +185,18 @@ bool tester(uint64_t seed, size_t volume) { char buffer[4096]; // large buffer (can't overflow) RandomEngine rand(seed); for (size_t i = 0; i < volume; i++) { - if((i%1000000) == 0) { std::cout << "."; std::cout.flush(); } + if ((i % 1000000) == 0) { + std::cout << "."; + std::cout.flush(); + } size_t length = build_random_string(rand, buffer); std::pair expected_double = strtod_from_string(buffer); if (expected_double.second) { double result_value; auto result = fast_float::from_chars(buffer, buffer + length, result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(length), buffer); std::cerr << " I could not parse " << std::endl; return false; @@ -202,7 +219,8 @@ bool tester(uint64_t seed, size_t volume) { float result_value; auto result = fast_float::from_chars(buffer, buffer + length, result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(length), buffer); std::cerr << " I could not parse " << std::endl; return false; @@ -225,8 +243,12 @@ bool tester(uint64_t seed, size_t volume) { } int main() { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - std::cout << "Warning: msys/cygwin detected. This particular test is likely to generate false failures due to our reliance on the underlying runtime library." << std::endl; +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + std::cout << "Warning: msys/cygwin detected. This particular test is likely " + "to generate false failures due to our reliance on the " + "underlying runtime library." + << std::endl; return EXIT_SUCCESS; #else if (tester(1234344, 100000000)) { diff --git a/tests/string_test.cpp b/tests/string_test.cpp index 05f840c..04e8ca2 100644 --- a/tests/string_test.cpp +++ b/tests/string_test.cpp @@ -9,44 +9,58 @@ #include #include -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) // Anything at all that is related to cygwin, msys and so forth will // always use this fallback because we cannot rely on it behaving as normal // gcc. #include #include // workaround for CYGWIN -double cygwin_strtod_l(const char* start, char** end) { - double d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +double cygwin_strtod_l(const char *start, char **end) { + double d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } -float cygwin_strtof_l(const char* start, char** end) { - float d; - std::stringstream ss; - ss.imbue(std::locale::classic()); - ss << start; - ss >> d; - if(ss.fail()) { *end = nullptr; } - if(ss.eof()) { ss.clear(); } - auto nread = ss.tellg(); - *end = const_cast(start) + nread; - return d; +float cygwin_strtof_l(const char *start, char **end) { + float d; + std::stringstream ss; + ss.imbue(std::locale::classic()); + ss << start; + ss >> d; + if (ss.fail()) { + *end = nullptr; + } + if (ss.eof()) { + ss.clear(); + } + auto nread = ss.tellg(); + *end = const_cast(start) + nread; + return d; } #endif inline void Assert(bool Assertion) { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - if (!Assertion) { std::cerr << "Omitting hard failure on msys/cygwin/sun systems."; } +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + if (!Assertion) { + std::cerr << "Omitting hard failure on msys/cygwin/sun systems."; + } #else - if (!Assertion) { throw std::runtime_error("bug"); } + if (!Assertion) { + throw std::runtime_error("bug"); + } #endif } @@ -58,213 +72,1051 @@ template std::string to_string(T d) { return s; } -template -bool test() { - std::string input = "0.1 1e1000 100000 3.14159265359 -1e-500 001 1e01 1e0000001 -inf"; - std::vector answers = {T(0.1), std::numeric_limits::infinity(), 100000, T(3.14159265359), -0.0, 1, 10, 10, -std::numeric_limits::infinity()}; - std::vector expected_ec = {std::errc(), std::errc::result_out_of_range, std::errc(), std::errc(), std::errc::result_out_of_range, std::errc(), std::errc(), std::errc(), std::errc()}; - const char * begin = input.data(); - const char * end = input.data() + input.size(); - for(size_t i = 0; i < answers.size(); i++) { +template bool test() { + std::string input = + "0.1 1e1000 100000 3.14159265359 -1e-500 001 1e01 1e0000001 -inf"; + std::vector answers = {T(0.1), + std::numeric_limits::infinity(), + 100000, + T(3.14159265359), + -0.0, + 1, + 10, + 10, + -std::numeric_limits::infinity()}; + std::vector expected_ec = {std::errc(), + std::errc::result_out_of_range, + std::errc(), + std::errc(), + std::errc::result_out_of_range, + std::errc(), + std::errc(), + std::errc(), + std::errc()}; + const char *begin = input.data(); + const char *end = input.data() + input.size(); + for (size_t i = 0; i < answers.size(); i++) { T result_value; - while((begin < end) && (std::isspace(*begin))) { begin++; } - auto result = fast_float::from_chars(begin, end, - result_value); + while ((begin < end) && (std::isspace(*begin))) { + begin++; + } + auto result = fast_float::from_chars(begin, end, result_value); if (result.ec != expected_ec[i]) { printf("parsing %.*s\n", int(end - begin), begin); std::cerr << " I could not parse " << std::endl; return false; } - if(result_value != answers[i]) { + if (result_value != answers[i]) { printf("parsing %.*s\n", int(end - begin), begin); std::cerr << " Mismatch " << std::endl; return false; - } begin = result.ptr; } - if(begin != end) { - std::cerr << " bad ending " << std::endl; - return false; + if (begin != end) { + std::cerr << " bad ending " << std::endl; + return false; } return true; } -template -void strtod_from_string(const std::string &st, T& d); +template void strtod_from_string(const std::string &st, T &d); -template <> -void strtod_from_string(const std::string &st, double& d) { - char *pr = (char *)st.c_str(); -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtod_l(pr, &pr); +template <> void strtod_from_string(const std::string &st, double &d) { + char *pr = (char *)st.c_str(); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtod_l(pr, &pr); #elif defined(_WIN32) - static _locale_t c_locale = _create_locale(LC_ALL, "C"); - d = _strtod_l(st.c_str(), &pr, c_locale); + static _locale_t c_locale = _create_locale(LC_ALL, "C"); + d = _strtod_l(st.c_str(), &pr, c_locale); #else - static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); - d = strtod_l(st.c_str(), &pr, c_locale); + static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); + d = strtod_l(st.c_str(), &pr, c_locale); #endif - if (pr == st.c_str()) { - throw std::runtime_error("bug in strtod_from_string"); - } + if (pr == st.c_str()) { + throw std::runtime_error("bug in strtod_from_string"); + } } -template <> -void strtod_from_string(const std::string &st, float& d) { - char *pr = (char *)st.c_str(); -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) - d = cygwin_strtof_l(st.c_str(), &pr); +template <> void strtod_from_string(const std::string &st, float &d) { + char *pr = (char *)st.c_str(); +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) + d = cygwin_strtof_l(st.c_str(), &pr); #elif defined(_WIN32) - static _locale_t c_locale = _create_locale(LC_ALL, "C"); - d = _strtof_l(st.c_str(), &pr, c_locale); + static _locale_t c_locale = _create_locale(LC_ALL, "C"); + d = _strtof_l(st.c_str(), &pr, c_locale); #else - static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); - d = strtof_l(st.c_str(), &pr, c_locale); + static locale_t c_locale = newlocale(LC_ALL_MASK, "C", NULL); + d = strtof_l(st.c_str(), &pr, c_locale); #endif - if (pr == st.c_str()) { - throw std::runtime_error("bug in strtod_from_string"); - } + if (pr == st.c_str()) { + throw std::runtime_error("bug in strtod_from_string"); + } } -template -bool partow_test() { - // credit: https://github.com/ArashPartow/strtk/blob/master/strtk_tokenizer_cmp.cpp#L568 +template bool partow_test() { + // credit: + // https://github.com/ArashPartow/strtk/blob/master/strtk_tokenizer_cmp.cpp#L568 // MIT license - const std::string strint_list[] = { "9007199254740993", "9007199254740994", "9007199254740995" , - "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", - "917049", "4931205", "6768064", "6884243", "5647132", "7371203", "-8629878", "4941840", "4543268", "1075600", - "290", "823", "111", "715", "-866", "367", "666", "-706", "850", "-161", - "9922547", "6960207", "1883152", "2300759", "-279294", "4187292", "3699841", "8386395", "-1441129", "-887892", - "-635422", "9742573", "2326186", "-5903851", "5648486", "3057647", "2980079", "2957468", "7929158", "1925615", - "879", "130", "292", "705", "817", "446", "576", "750", "523", "-527", - "4365041", "5624958", "8990205", "2652177", "3993588", "-298316", "2901599", "3887387", "-5202979", "1196268", - "5968501", "7619928", "3565643", "1885272", "-749485", "2961381", "2982579", "2387454", "4250081", "5958205", - "00000", "00001", "00002", "00003", "00004", "00005", "00006", "00007", "00008", "00009", - "4907034", "2592882", "3269234", "549815", "6256292", "9721039", "-595225", "5587491", "4596297", "-3885009", - "673", "-899", "174", "354", "870", "147", "898", "-510", "369", "859", - "6518423", "5149762", "8834164", "-8085586", "3233120", "8166948", "4172345", "6735549", "-934295", "9481935", - "-430406", "6932717", "4087292", "4047263", "3236400", "-3863050", "4312079", "6956261", "5689446", "3871332", - "535", "691", "326", "-409", "704", "-568", "301", "951", "121", "384", - "4969414", "9378599", "7971781", "5380630", "5001363", "1715827", "6044615", "9118925", "9956168", "-8865496", - "5962464", "7408980", "6646513", "-634564", "4188330", "9805948", "5625691", "7641113", "-4212929", "7802447", - "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", - "2174248", "7449361", "9896659", "-25961", "1706598", "2412368", "-4617035", "6314554", "2225957", "7521434", - "-9530566", "3914164", "2394759", "7157744", "9919392", "6406949", "-744004", "9899789", "8380325", "-1416284", - "3402833", "2150043", "5191009", "8979538", "9565778", "3750211", "7304823", "2829359", "6544236", "-615740", - "363", "-627", "129", "656", "135", "113", "381", "646", "198", "38", - "8060564", "-176752", "1184717", "-666343", "-1273292", "-485827", "6241066", "6579411", "8093119", "7481306", - "-4924485", "7467889", "9813178", "7927100", "3614859", "7293354", "9232973", "4323115", "1133911", "9511638", - "4443188", "2289448", "5639726", "9073898", "8540394", "5389992", "1397726", "-589230", "1017086", "1852330", - "-840", "267", "201", "533", "-675", "494", "315", "706", "-920", "784", - "9097353", "6002251", "-308780", "-3830169", "4340467", "2235284", "3314444", "1085967", "4152107", "5431117", - "-0000", "-0001", "-0002", "-0003", "-0004", "-0005", "-0006", "-0007", "-0008", "-0009", - "-444999", "2136400", "6925907", "6990614", "3588271", "8422028", "-4034772", "5804039", "-6740545", "9381873", - "-924923", "1652367", "2302616", "6776663", "2567821", "-248935", "2587688", "7076742", "-6461467", "1562896", - "-768116", "2338768", "9887307", "9992184", "2045182", "2797589", "9784597", "9696554", "5113329", "1067216", - "-76247763", "58169007", "29408062", "85342511", "42092201", "-95817703", "-1912517", "-26275135", "54656606", "-58188878", - "473", "74", "374", "-64", "266", "715", "937", "-249", "249", "780", - "3907360", "-23063423", "59062754", "83711047", "-95221044", "34894840", "-38562139", "-82018330", "14226223", "-10799717", - "8529722", "88961903", "25608618", "-39988247", "33228241", "38598533", "21161480", "-33723784", "8873948", "96505557", - "-47385048", "-79413272", "-85904404", "87791158", "49194195", "13051222", "57773302", "31904423", "3142966", "27846156", - "7420011", "-72376922", "-68873971", "23765361", "4040725", "-22359806", "85777219", "10099223", "-90364256", "-40158172", - "-7948696", "-64344821", "34404238", "84037448", "-85084788", "-42078409", "-56550310", "96898389", "-595829", "-73166703", - "-0", "-1", "-2", "-3", "-4", "-5", "-6", "-7", "-8", "-9", - "2147483647", "31", "2147483610", "33", "2147483573", "37", "2147483536", - "-82838342", "64441808", "43641062", "-64419642", "-44421934", "75232413", "-75773725", "-89139509", "12812089", "-97633526", - "36090916", "-57706234", "17804655", "4189936", "-4100124", "38803710", "-39735126", "-62397437", "75801648", "51302332", - "73433906", "13015224", "-12624818", "91360377", "11576319", "-54467535", "8892431", "36319780", "38832042", "50172572", - "-317", "109", "-888", "302", "-463", "716", "916", "665", "826", "513", - "42423473", "41078812", "40445652", "-76722281", "95092224", "12075234", "-4045888", "-74396490", "-57304222", "-21726885", - "92038121", "-31899682", "21589254", "-30260046", "56000244", "69686659", "93327838", "96882881", "-91419389", "77529147", - "43288506", "1192435", "-74095920", "76756590", "-31184683", "-35716724", "9451980", "-63168350", "62864002", "26283194", - "37188395", "29151634", "99343471", "-69450330", "-55680090", "-64957599", "47577948", "47107924", "2490477", "48633003", - "-82740809", "-24122215", "67301713", "-63649610", "75499016", "82746620", "17052193", "4602244", "-32721165", "20837836", - "674", "467", "706", "889", "172", "282", "-795", "188", "87", "153", - "64501793", "53146328", "5152287", "-9674493", "68105580", "57245637", "39740229", "-74071854", "86777268", "86484437", - "-86962508", "12644427", "-62944073", "59539680", "43340539", "30661534", "20143968", "-68183731", "-48250926", "42669063", - "000", "001", "002", "003", "004", "005", "006", "007", "008", "009", - "2147483499", "71", "2147483462", "73", "2147483425", "77", "2147483388", - "87736852", "-4444906", "-48094147", "54774735", "54571890", "-22473078", "95053418", "393654", "-33229960", "32276798", - "-48361110", "44295939", "-79813406", "11630865", "38544571", "70972830", "-9821748", "-60965384", "-13096675", "-24569041", - "708", "-467", "-794", "610", "929", "766", "152", "482", "397", "-191", - "97233152", "51028396", "-13796948", "95437272", "71352512", "-83233730", "-68517318", "61832742", "-42667174", "-18002395", - "-92239407", "12701336", "-63830875", "41514172", "-5726049", "18668677", "69555144", "-13737009", "-22626233", "-55078143", - "00", "11", "22", "33", "44", "-00", "-11", "-22", "-33", "-44", - "000", "111", "222", "333", "444", "-000", "-111", "-222", "-333", "-444", - "0000", "1111", "2222", "3333", "4444", "-0000", "-1111", "-2222", "-3333", "-4444", - "00000", "11111", "22222", "33333", "44444", "-00000", "-11111", "-22222", "-33333", "-44444", - "000000", "111111", "222222", "333333", "444444", "-000000", "-111111", "-222222", "-333333", "-444444", - "0000000", "1111111", "2222222", "3333333", "4444444", "-0000000", "-1111111", "-2222222", "-3333333", "-4444444", - "00000000", "11111111", "22222222", "33333333", "44444444", "-00000000", "-11111111", "-22222222", "-33333333", "-44444444", - "000000000", "111111111", "222222222", "333333333", "444444444","-000000000","-111111111","-222222222","-333333333","-444444444", - "2147483351", "51", "2147483314", "53", "-2147483648", "57", "-2147483611", - "55", "66", "77", "88", "99", "-55", "-66", "-77", "-88", "-99", - "555", "666", "777", "888", "999", "-555", "-666", "-777", "-888", "-999", - "5555", "6666", "7777", "8888", "9999", "-5555", "-6666", "-7777", "-8888", "-9999", - "55555", "66666", "77777", "88888", "99999", "-55555", "-66666", "-77777", "-88888", "-99999", - "555555", "666666", "777777", "888888", "999999", "-555555", "-666666", "-777777", "-888888", "-999999", - "5555555", "6666666", "7777777", "8888888", "9999999", "-5555555", "-6666666", "-7777777", "-8888888", "-9999999", - "55555555", "66666666", "77777777", "88888888", "99999999", "-55555555", "-66666666", "-77777777", "-88888888", "-99999999", - "555555555", "666666666", "777777777", "888888888", "999999999","-555555555","-666666666","-777777777","-888888888","-999999999", - "-2147483574", "91", "-2147483537", "93", "-2147483500", "97", "-2147483463", - "0000000011", "0000000022", "0000000033", "0000000044", "-000000011", "-000000022", "-000000033", "-000000044", "-000000088", - "0000000111", "0000000222", "0000000333", "0000000444", "-000000111", "-000000222", "-000000333", "-000000444", "-000000888", - "0000001111", "0000002222", "0000003333", "0000004444", "-000001111", "-000002222", "-000003333", "-000004444", "-000008888", - "0000011111", "0000022222", "0000033333", "0000044444", "-000011111", "-000022222", "-000033333", "-000044444", "-000088888", - "0000111111", "0000222222", "0000333333", "0000444444", "-000111111", "-000222222", "-000333333", "-000444444", "-000888888", - "0001111111", "0002222222", "0003333333", "0004444444", "-001111111", "-002222222", "-003333333", "-004444444", "-008888888", - "0011111111", "0022222222", "0033333333", "0044444444", "-011111111", "-022222222", "-033333333", "-044444444", "-088888888", - "0111111111", "0222222222", "0333333333", "0444444444", "-111111111", "-222222222", "-333333333", "-444444444", "-888888888", - "0000000055", "0000000066", "0000000077", "0000000088", "0000000099", "-000000055", "-000000066", "-000000077", "-000000099", - "0000000555", "0000000666", "0000000777", "0000000888", "0000000999", "-000000555", "-000000666", "-000000777", "-000000999", - "0000005555", "0000006666", "0000007777", "0000008888", "0000009999", "-000005555", "-000006666", "-000007777", "-000009999", - "0000055555", "0000066666", "0000077777", "0000088888", "0000099999", "-000055555", "-000066666", "-000077777", "-000099999", - "0000555555", "0000666666", "0000777777", "0000888888", "0000999999", "-000555555", "-000666666", "-000777777", "-000999999", - "0005555555", "0006666666", "0007777777", "0008888888", "0009999999", "-005555555", "-006666666", "-007777777", "-009999999", - "0055555555", "0066666666", "0077777777", "0088888888", "0099999999", "-055555555", "-066666666", "-077777777", "-099999999", - "0555555555", "0666666666", "0777777777", "0888888888", "0999999999", "-555555555", "-666666666", "-777777777", "-999999999", - "-2147483426", "101", "-2147483389", "103", "-2147483352", "105", "-2147483315", - "0000001234567890", "0000001234567890", "-0000001234567890", - "000001234567890", "000001234567890", "-000001234567890", - "00001234567890", "00001234567890", "-00001234567890", - "0001234567890", "0001234567890", "-0001234567890", - "001234567890", "001234567890", "-001234567890", - "01234567890", "01234567890", "-01234567890", - "1234567890", "1234567890", "-1234567890", - }; - for(const std::string& st : strint_list) { + const std::string strint_list[] = { + "9007199254740993", + "9007199254740994", + "9007199254740995", + "0", + "1", + "2", + "3", + "4", + "5", + "6", + "7", + "8", + "9", + "917049", + "4931205", + "6768064", + "6884243", + "5647132", + "7371203", + "-8629878", + "4941840", + "4543268", + "1075600", + "290", + "823", + "111", + "715", + "-866", + "367", + "666", + "-706", + "850", + "-161", + "9922547", + "6960207", + "1883152", + "2300759", + "-279294", + "4187292", + "3699841", + "8386395", + "-1441129", + "-887892", + "-635422", + "9742573", + "2326186", + "-5903851", + "5648486", + "3057647", + "2980079", + "2957468", + "7929158", + "1925615", + "879", + "130", + "292", + "705", + "817", + "446", + "576", + "750", + "523", + "-527", + "4365041", + "5624958", + "8990205", + "2652177", + "3993588", + "-298316", + "2901599", + "3887387", + "-5202979", + "1196268", + "5968501", + "7619928", + "3565643", + "1885272", + "-749485", + "2961381", + "2982579", + "2387454", + "4250081", + "5958205", + "00000", + "00001", + "00002", + "00003", + "00004", + "00005", + "00006", + "00007", + "00008", + "00009", + "4907034", + "2592882", + "3269234", + "549815", + "6256292", + "9721039", + "-595225", + "5587491", + "4596297", + "-3885009", + "673", + "-899", + "174", + "354", + "870", + "147", + "898", + "-510", + "369", + "859", + "6518423", + "5149762", + "8834164", + "-8085586", + "3233120", + "8166948", + "4172345", + "6735549", + "-934295", + "9481935", + "-430406", + "6932717", + "4087292", + "4047263", + "3236400", + "-3863050", + "4312079", + "6956261", + "5689446", + "3871332", + "535", + "691", + "326", + "-409", + "704", + "-568", + "301", + "951", + "121", + "384", + "4969414", + "9378599", + "7971781", + "5380630", + "5001363", + "1715827", + "6044615", + "9118925", + "9956168", + "-8865496", + "5962464", + "7408980", + "6646513", + "-634564", + "4188330", + "9805948", + "5625691", + "7641113", + "-4212929", + "7802447", + "0", + "1", + "2", + "3", + "4", + "5", + "6", + "7", + "8", + "9", + "2174248", + "7449361", + "9896659", + "-25961", + "1706598", + "2412368", + "-4617035", + "6314554", + "2225957", + "7521434", + "-9530566", + "3914164", + "2394759", + "7157744", + "9919392", + "6406949", + "-744004", + "9899789", + "8380325", + "-1416284", + "3402833", + "2150043", + "5191009", + "8979538", + "9565778", + "3750211", + "7304823", + "2829359", + "6544236", + "-615740", + "363", + "-627", + "129", + "656", + "135", + "113", + "381", + "646", + "198", + "38", + "8060564", + "-176752", + "1184717", + "-666343", + "-1273292", + "-485827", + "6241066", + "6579411", + "8093119", + "7481306", + "-4924485", + "7467889", + "9813178", + "7927100", + "3614859", + "7293354", + "9232973", + "4323115", + "1133911", + "9511638", + "4443188", + "2289448", + "5639726", + "9073898", + "8540394", + "5389992", + "1397726", + "-589230", + "1017086", + "1852330", + "-840", + "267", + "201", + "533", + "-675", + "494", + "315", + "706", + "-920", + "784", + "9097353", + "6002251", + "-308780", + "-3830169", + "4340467", + "2235284", + "3314444", + "1085967", + "4152107", + "5431117", + "-0000", + "-0001", + "-0002", + "-0003", + "-0004", + "-0005", + "-0006", + "-0007", + "-0008", + "-0009", + "-444999", + "2136400", + "6925907", + "6990614", + "3588271", + "8422028", + "-4034772", + "5804039", + "-6740545", + "9381873", + "-924923", + "1652367", + "2302616", + "6776663", + "2567821", + "-248935", + "2587688", + "7076742", + "-6461467", + "1562896", + "-768116", + "2338768", + "9887307", + "9992184", + "2045182", + "2797589", + "9784597", + "9696554", + "5113329", + "1067216", + "-76247763", + "58169007", + "29408062", + "85342511", + "42092201", + "-95817703", + "-1912517", + "-26275135", + "54656606", + "-58188878", + "473", + "74", + "374", + "-64", + "266", + "715", + "937", + "-249", + "249", + "780", + "3907360", + "-23063423", + "59062754", + "83711047", + "-95221044", + "34894840", + "-38562139", + "-82018330", + "14226223", + "-10799717", + "8529722", + "88961903", + "25608618", + "-39988247", + "33228241", + "38598533", + "21161480", + "-33723784", + "8873948", + "96505557", + "-47385048", + "-79413272", + "-85904404", + "87791158", + "49194195", + "13051222", + "57773302", + "31904423", + "3142966", + "27846156", + "7420011", + "-72376922", + "-68873971", + "23765361", + "4040725", + "-22359806", + "85777219", + "10099223", + "-90364256", + "-40158172", + "-7948696", + "-64344821", + "34404238", + "84037448", + "-85084788", + "-42078409", + "-56550310", + "96898389", + "-595829", + "-73166703", + "-0", + "-1", + "-2", + "-3", + "-4", + "-5", + "-6", + "-7", + "-8", + "-9", + "2147483647", + "31", + "2147483610", + "33", + "2147483573", + "37", + "2147483536", + "-82838342", + "64441808", + "43641062", + "-64419642", + "-44421934", + "75232413", + "-75773725", + "-89139509", + "12812089", + "-97633526", + "36090916", + "-57706234", + "17804655", + "4189936", + "-4100124", + "38803710", + "-39735126", + "-62397437", + "75801648", + "51302332", + "73433906", + "13015224", + "-12624818", + "91360377", + "11576319", + "-54467535", + "8892431", + "36319780", + "38832042", + "50172572", + "-317", + "109", + "-888", + "302", + "-463", + "716", + "916", + "665", + "826", + "513", + "42423473", + "41078812", + "40445652", + "-76722281", + "95092224", + "12075234", + "-4045888", + "-74396490", + "-57304222", + "-21726885", + "92038121", + "-31899682", + "21589254", + "-30260046", + "56000244", + "69686659", + "93327838", + "96882881", + "-91419389", + "77529147", + "43288506", + "1192435", + "-74095920", + "76756590", + "-31184683", + "-35716724", + "9451980", + "-63168350", + "62864002", + "26283194", + "37188395", + "29151634", + "99343471", + "-69450330", + "-55680090", + "-64957599", + "47577948", + "47107924", + "2490477", + "48633003", + "-82740809", + "-24122215", + "67301713", + "-63649610", + "75499016", + "82746620", + "17052193", + "4602244", + "-32721165", + "20837836", + "674", + "467", + "706", + "889", + "172", + "282", + "-795", + "188", + "87", + "153", + "64501793", + "53146328", + "5152287", + "-9674493", + "68105580", + "57245637", + "39740229", + "-74071854", + "86777268", + "86484437", + "-86962508", + "12644427", + "-62944073", + "59539680", + "43340539", + "30661534", + "20143968", + "-68183731", + "-48250926", + "42669063", + "000", + "001", + "002", + "003", + "004", + "005", + "006", + "007", + "008", + "009", + "2147483499", + "71", + "2147483462", + "73", + "2147483425", + "77", + "2147483388", + "87736852", + "-4444906", + "-48094147", + "54774735", + "54571890", + "-22473078", + "95053418", + "393654", + "-33229960", + "32276798", + "-48361110", + "44295939", + "-79813406", + "11630865", + "38544571", + "70972830", + "-9821748", + "-60965384", + "-13096675", + "-24569041", + "708", + "-467", + "-794", + "610", + "929", + "766", + "152", + "482", + "397", + "-191", + "97233152", + "51028396", + "-13796948", + "95437272", + "71352512", + "-83233730", + "-68517318", + "61832742", + "-42667174", + "-18002395", + "-92239407", + "12701336", + "-63830875", + "41514172", + "-5726049", + "18668677", + "69555144", + "-13737009", + "-22626233", + "-55078143", + "00", + "11", + "22", + "33", + "44", + "-00", + "-11", + "-22", + "-33", + "-44", + "000", + "111", + "222", + "333", + "444", + "-000", + "-111", + "-222", + "-333", + "-444", + "0000", + "1111", + "2222", + "3333", + "4444", + "-0000", + "-1111", + "-2222", + "-3333", + "-4444", + "00000", + "11111", + "22222", + "33333", + "44444", + "-00000", + "-11111", + "-22222", + "-33333", + "-44444", + "000000", + "111111", + "222222", + "333333", + "444444", + "-000000", + "-111111", + "-222222", + "-333333", + "-444444", + "0000000", + "1111111", + "2222222", + "3333333", + "4444444", + "-0000000", + "-1111111", + "-2222222", + "-3333333", + "-4444444", + "00000000", + "11111111", + "22222222", + "33333333", + "44444444", + "-00000000", + "-11111111", + "-22222222", + "-33333333", + "-44444444", + "000000000", + "111111111", + "222222222", + "333333333", + "444444444", + "-000000000", + "-111111111", + "-222222222", + "-333333333", + "-444444444", + "2147483351", + "51", + "2147483314", + "53", + "-2147483648", + "57", + "-2147483611", + "55", + "66", + "77", + "88", + "99", + "-55", + "-66", + "-77", + "-88", + "-99", + "555", + "666", + "777", + "888", + "999", + "-555", + "-666", + "-777", + "-888", + "-999", + "5555", + "6666", + "7777", + "8888", + "9999", + "-5555", + "-6666", + "-7777", + "-8888", + "-9999", + "55555", + "66666", + "77777", + "88888", + "99999", + "-55555", + "-66666", + "-77777", + "-88888", + "-99999", + "555555", + "666666", + "777777", + "888888", + "999999", + "-555555", + "-666666", + "-777777", + "-888888", + "-999999", + "5555555", + "6666666", + "7777777", + "8888888", + "9999999", + "-5555555", + "-6666666", + "-7777777", + "-8888888", + "-9999999", + "55555555", + "66666666", + "77777777", + "88888888", + "99999999", + "-55555555", + "-66666666", + "-77777777", + "-88888888", + "-99999999", + "555555555", + "666666666", + "777777777", + "888888888", + "999999999", + "-555555555", + "-666666666", + "-777777777", + "-888888888", + "-999999999", + "-2147483574", + "91", + "-2147483537", + "93", + "-2147483500", + "97", + "-2147483463", + "0000000011", + "0000000022", + "0000000033", + "0000000044", + "-000000011", + "-000000022", + "-000000033", + "-000000044", + "-000000088", + "0000000111", + "0000000222", + "0000000333", + "0000000444", + "-000000111", + "-000000222", + "-000000333", + "-000000444", + "-000000888", + "0000001111", + "0000002222", + "0000003333", + "0000004444", + "-000001111", + "-000002222", + "-000003333", + "-000004444", + "-000008888", + "0000011111", + "0000022222", + "0000033333", + "0000044444", + "-000011111", + "-000022222", + "-000033333", + "-000044444", + "-000088888", + "0000111111", + "0000222222", + "0000333333", + "0000444444", + "-000111111", + "-000222222", + "-000333333", + "-000444444", + "-000888888", + "0001111111", + "0002222222", + "0003333333", + "0004444444", + "-001111111", + "-002222222", + "-003333333", + "-004444444", + "-008888888", + "0011111111", + "0022222222", + "0033333333", + "0044444444", + "-011111111", + "-022222222", + "-033333333", + "-044444444", + "-088888888", + "0111111111", + "0222222222", + "0333333333", + "0444444444", + "-111111111", + "-222222222", + "-333333333", + "-444444444", + "-888888888", + "0000000055", + "0000000066", + "0000000077", + "0000000088", + "0000000099", + "-000000055", + "-000000066", + "-000000077", + "-000000099", + "0000000555", + "0000000666", + "0000000777", + "0000000888", + "0000000999", + "-000000555", + "-000000666", + "-000000777", + "-000000999", + "0000005555", + "0000006666", + "0000007777", + "0000008888", + "0000009999", + "-000005555", + "-000006666", + "-000007777", + "-000009999", + "0000055555", + "0000066666", + "0000077777", + "0000088888", + "0000099999", + "-000055555", + "-000066666", + "-000077777", + "-000099999", + "0000555555", + "0000666666", + "0000777777", + "0000888888", + "0000999999", + "-000555555", + "-000666666", + "-000777777", + "-000999999", + "0005555555", + "0006666666", + "0007777777", + "0008888888", + "0009999999", + "-005555555", + "-006666666", + "-007777777", + "-009999999", + "0055555555", + "0066666666", + "0077777777", + "0088888888", + "0099999999", + "-055555555", + "-066666666", + "-077777777", + "-099999999", + "0555555555", + "0666666666", + "0777777777", + "0888888888", + "0999999999", + "-555555555", + "-666666666", + "-777777777", + "-999999999", + "-2147483426", + "101", + "-2147483389", + "103", + "-2147483352", + "105", + "-2147483315", + "0000001234567890", + "0000001234567890", + "-0000001234567890", + "000001234567890", + "000001234567890", + "-000001234567890", + "00001234567890", + "00001234567890", + "-00001234567890", + "0001234567890", + "0001234567890", + "-0001234567890", + "001234567890", + "001234567890", + "-001234567890", + "01234567890", + "01234567890", + "-01234567890", + "1234567890", + "1234567890", + "-1234567890", + }; + for (const std::string &st : strint_list) { T expected_value; strtod_from_string(st, expected_value); T result_value; - auto result = fast_float::from_chars(st.data(), st.data() + st.size(), - result_value); - if (result.ec != std::errc() && result.ec != std::errc::result_out_of_range) { + auto result = + fast_float::from_chars(st.data(), st.data() + st.size(), result_value); + if (result.ec != std::errc() && + result.ec != std::errc::result_out_of_range) { printf("parsing %.*s\n", int(st.size()), st.data()); std::cerr << " I could not parse " << std::endl; return false; } - if(result.ptr != st.data() + st.size()) { + if (result.ptr != st.data() + st.size()) { printf("parsing %.*s\n", int(st.size()), st.data()); std::cerr << " Did not get to the end " << std::endl; return false; } - if(result_value != expected_value) { + if (result_value != expected_value) { printf("parsing %.*s\n", int(st.size()), st.data()); - std::cerr << "expected value : " << to_string(expected_value) << std::endl; + std::cerr << "expected value : " << to_string(expected_value) + << std::endl; std::cerr << "result value : " << to_string(result_value) << std::endl; std::cerr << " Mismatch " << std::endl; return false; } - } return true; - } - int main() { -#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(sun) || defined(__sun) +#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || \ + defined(sun) || defined(__sun) std::cout << "Warning: msys/cygwin or solaris detected." << std::endl; #endif std::cout << "32 bits checks" << std::endl;