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type usage fix and cleanup.

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This commit is contained in:
IRainman 2025-12-29 18:23:06 +03:00
parent 38d0ab3f8e
commit 147cf3b4c7
3 changed files with 24 additions and 26 deletions
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7
include/fast_float/decimal_to_binary.h
View File

@ -17,7 +17,7 @@ namespace fast_float {
// most significant bits and the low part corresponding to the least significant
// bits.
//
template <limb_t bit_precision>
template <am_bits_t bit_precision>
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 value128
compute_product_approximation(am_pow_t q, am_mant_t w) noexcept {
am_pow_t const index = 2 * (q - powers::smallest_power_of_five);
@ -90,7 +90,7 @@ fastfloat_really_inline FASTFLOAT_CONSTEXPR20 adjusted_mantissa
compute_error(am_pow_t q, am_mant_t w) noexcept {
auto const lz = leading_zeroes(w);
w <<= lz;
value128 product =
value128 const product =
compute_product_approximation<binary::mantissa_explicit_bits() + 3>(q, w);
return compute_error_scaled<binary>(q, product.high, lz);
}
@ -201,7 +201,7 @@ compute_float(am_pow_t q, am_mant_t w) noexcept {
answer.mantissa >>= 1;
if (answer.mantissa >= (am_mant_t(2) << binary::mantissa_explicit_bits())) {
answer.mantissa = (am_mant_t(1) << binary::mantissa_explicit_bits());
++answer.power2; // undo previous addition
++answer.power2; // undo previous line addition
}
// Check if we have infinity after computation
@ -210,6 +210,7 @@ compute_float(am_pow_t q, am_mant_t w) noexcept {
answer.power2 = binary::infinite_power();
answer.mantissa = 0;
}
return answer;
}

2
include/fast_float/digit_comparison.h
View File

@ -68,7 +68,7 @@ to_extended(T const value) noexcept {
constexpr am_pow_t bias = binary_format<T>::mantissa_explicit_bits() -
binary_format<T>::minimum_exponent();
auto const bits = bit_cast<equiv_uint, T>(value);
auto const bits = bit_cast<equiv_uint>(value);
if ((bits & exponent_mask) == 0) {
// denormal

41
include/fast_float/float_common.h
View File

@ -120,27 +120,6 @@ using parse_options = parse_options_t<char>;
} // namespace fast_float
#if FASTFLOAT_HAS_BIT_CAST
#include <bit>
#endif
namespace fast_float {
template <typename To, typename From>
FASTFLOAT_CONSTEXPR20 To bit_cast(const From &from) noexcept {
#if FASTFLOAT_HAS_BIT_CAST
return std::bit_cast<To>(from);
#else
// Implementation of std::bit_cast for pre-C++20.
static_assert(sizeof(To) == sizeof(From),
"bit_cast requires source and destination to be the same size");
auto to = To();
// The cast suppresses a bogus -Wclass-memaccess on GCC.
std::memcpy(static_cast<void *>(&to), &from, sizeof(to));
return to;
#endif
}
} // namespace fast_float
#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || \
defined(__amd64) || defined(__aarch64__) || defined(_M_ARM64) || \
defined(__MINGW64__) || defined(__s390x__) || \
@ -269,7 +248,25 @@ FASTFLOAT_CONSTEXPR20 To bit_cast(const From &from) noexcept {
#define FASTFLOAT_ENABLE_IF(...) \
typename std::enable_if<(__VA_ARGS__), int>::type
#if FASTFLOAT_HAS_BIT_CAST
#include <bit>
#endif
namespace fast_float {
template <typename To, typename From>
constexpr fastfloat_really_inline To bit_cast(const From &from) noexcept {
#if FASTFLOAT_HAS_BIT_CAST
return std::bit_cast<To>(from);
#else
// Implementation of std::bit_cast for pre-C++20.
static_assert(sizeof(To) == sizeof(From),
"bit_cast requires source and destination to be the same size");
auto to = To();
// The cast suppresses a bogus -Wclass-memaccess on GCC.
std::memcpy(static_cast<void *>(&to), &from, sizeof(to));
return to;
#endif
}
fastfloat_really_inline constexpr bool cpp20_and_in_constexpr() noexcept {
#if FASTFLOAT_HAS_IS_CONSTANT_EVALUATED
@ -1124,7 +1121,7 @@ fastfloat_really_inline FASTFLOAT_CONSTEXPR20 void to_float(
word =
equiv_uint(word | equiv_uint(negative) << binary_format<T>::sign_index());
#endif
value = bit_cast<T, equiv_uint>(word);
value = bit_cast<T>(word);
}
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN