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* mingwex/math/signbit.c (__signbit): Make return value

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consistent with GCC's __builtin_signbit.
	* mingwex/math/signbitf.c (__signbitf):  Likewise.
	* mingwex/math/signbitf.c (__signbitl):  Likewise.
	* include/math.h (__signbit, __signbitf, __signbitl): Likewise
	for inlines.
This commit is contained in:
Danny Smith
2005-05-03 08:39:19 +00:00
parent 38efa5f128
commit 8559dd92d0
5 changed files with 15 additions and 6 deletions
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6
winsup/mingw/include/math.h
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@ -373,19 +373,19 @@ __CRT_INLINE int __cdecl __isnanl (long double _x)
__CRT_INLINE int __cdecl __signbit (double x) {
unsigned short stw;
__asm__ ( "fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
return stw & 0x0200;
return (stw & 0x0200) != 0;
}
__CRT_INLINE int __cdecl __signbitf (float x) {
unsigned short stw;
__asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
return stw & 0x0200;
return (stw & 0x0200) != 0;
}
__CRT_INLINE int __cdecl __signbitl (long double x) {
unsigned short stw;
__asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x));
return stw & 0x0200;
return (stw & 0x0200) != 0;
}
#define signbit(x) (sizeof (x) == sizeof (float) ? __signbitf (x) \