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Commit 32eae492 authored by Alexandre Julliard's avatar Alexandre Julliard
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include: Use gcc builtin for HUGE_VAL.

Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 6482ce76
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Showing with 2 additions and 12 deletions
include/msvcrt/math.h
View file @ 32eae492
......@@ -201,21 +201,10 @@ float __cdecl _hypotf(float, float);
int __cdecl _matherr(struct _exception*);
double __cdecl _cabs(struct _complex);
#ifndef HUGE_VAL
# if defined(__GNUC__) && (__GNUC__ >= 3)
# define HUGE_VAL (__extension__ 0x1.0p2047)
# else
static const union {
unsigned char __c[8];
double __d;
} __huge_val = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
# define HUGE_VAL (__huge_val.__d)
# endif
#endif
#if (defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)))) || defined(__clang__)
# define INFINITY __builtin_inff()
# define NAN __builtin_nanf("")
# define HUGE_VAL __builtin_huge_val()
#else
static const union {
unsigned int __i;
......@@ -223,6 +212,7 @@ static const union {
} __inff = { 0x7f800000 }, __nanf = { 0x7fc00000 };
# define INFINITY (__inff.__f)
# define NAN (__nanf.__f)
# define HUGE_VAL ((double)INFINITY)
#endif
#define FP_INFINITE 1
......
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