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libm/copysign: respect signed zero/NaN in copysign

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Yingwei Zheng 2024-07-31 20:34:15 +08:00 committed by Xiang Xiao
parent b35f7aed48
commit 871cd306c5
2 changed files with 2 additions and 2 deletions
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2
libs/libm/libm/lib_copysign.c
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@ -34,7 +34,7 @@
#ifdef CONFIG_HAVE_DOUBLE
double copysign(double x, double y)
{
if (y < 0)
if (signbit(y))
{
return -fabs(x);
}

2
libs/libm/libm/lib_copysignl.c
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@ -34,7 +34,7 @@
#ifdef CONFIG_HAVE_LONG_DOUBLE
long double copysignl(long double x, long double y)
{
if (y < 0)
if (signbit(y))
{
return -fabsl(x);
}