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fixes for old standards.

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This commit is contained in:
HedgehogInTheCPP 2026-08-17 21:54:19 +03:00
parent 5d65edb6cd
commit da875ff9cf
2 changed files with 4 additions and 7 deletions
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8
include/fast_float/ascii_number.h
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@ -134,7 +134,7 @@ uint64_t simd_read8_to_u64(UC const *) {
}
// credit @aqrit
fastfloat_really_inline constexpr uint32_t
fastfloat_really_inline FASTFLOAT_CONSTEXPR14 uint32_t
parse_eight_digits_unrolled(uint64_t val) noexcept {
uint64_t const mask = 0x000000FF000000FF;
uint64_t const mul1 = 0x000F424000000064; // 100 + (1000000ULL << 32)
@ -353,9 +353,9 @@ x86_parse_16_digits(char const *p) noexcept {
#endif
// credit @hedgehoginthecpp
fastfloat_really_inline void constexpr
fastfloat_really_inline void FASTFLOAT_CONSTEXPR20
parse_digits_until_19(char const *&p, char const *pend,
am_mant_t &mantissa) noexcept {
am_mant_t &mantissa) {
if (is_constant_evaluated()) {
do {
mantissa = mantissa * 10 + static_cast<am_mant_t>(*p - '0');
@ -836,8 +836,6 @@ parse_number_string(UC const *p, UC const *pend,
answer.mantissa = 0;
p = answer.integer.ptr;
UC const *int_end = p + answer.integer.len();
constexpr am_mant_t minimal_nineteen_digit_integer{
1000000000000000000ULL};
parse_digits_until_19(p, int_end, answer.mantissa);
if (answer.mantissa >= minimal_nineteen_digit_integer) {

3
include/fast_float/float_common.h
View File

@ -303,8 +303,7 @@ namespace fast_float {
using std::bit_cast;
#else
template <typename To, typename From, FASTFLOAT_ENABLE_IF(sizeof(To) == sizeof(From))>
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 auto bit_cast(const From &from)
-> To noexcept {
fastfloat_really_inline FASTFLOAT_CONSTEXPR20 To bit_cast(const From &from) {
// Implementation of std::bit_cast for pre-C++20.
auto to = To();
// The cast suppresses a bogus -Wclass-memaccess on GCC.