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In some cases, Visual Studio, when compiling 32-bit binaries, gets

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0*something == -0 even when the 'something' is positive, when the system
is not set to compile to nearest.
This commit is contained in:
Daniel Lemire 2023-11-27 15:44:24 -05:00
parent 80400d270e
commit 70d8e0ad0e
1 changed files with 1 additions and 1 deletions
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2
include/fast_float/parse_number.h
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@ -202,7 +202,7 @@ from_chars_result_t<UC> from_chars_advanced(UC const * first, UC const * last,
// We do not have that fegetround() == FE_TONEAREST. // We do not have that fegetround() == FE_TONEAREST.
// Next is a modified Clinger's fast path, inspired by Jakub Jelínek's proposal // Next is a modified Clinger's fast path, inspired by Jakub Jelínek's proposal
if (pns.exponent >= 0 && pns.mantissa <=binary_format<T>::max_mantissa_fast_path(pns.exponent)) { if (pns.exponent >= 0 && pns.mantissa <=binary_format<T>::max_mantissa_fast_path(pns.exponent)) {
#if defined(__clang__) #if defined(__clang__) || defined(FASTFLOAT_32BIT)
// Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD // Clang may map 0 to -0.0 when fegetround() == FE_DOWNWARD
if(pns.mantissa == 0) { if(pns.mantissa == 0) {
value = pns.negative ? -0. : 0.; value = pns.negative ? -0. : 0.;