diff options
| author | Danny Smith <dannysmith@users.sourceforge.net> | 2003-10-21 13:10:51 +0400 |
|---|---|---|
| committer | Danny Smith <dannysmith@users.sourceforge.net> | 2003-10-21 13:10:51 +0400 |
| commit | 359e09e7fd01afd36e4d8ac8291c6fb69b182ffb (patch) | |
| tree | 9ea0de9fdeb9f2c5a0e770d2b2f9773c8569a5b4 /winsup/mingw/mingwex | |
| parent | 672126d4f1a62a3030d5d1439d41a05525e472d5 (diff) | |
* mingwex/math/cephes_mconf.h (NAN, NANF, NANL):
Use GCC __builtin's if available.
(INFINITY, INFINITYF, INFINITYL): Likewise.
Diffstat (limited to 'winsup/mingw/mingwex')
| -rw-r--r-- | winsup/mingw/mingwex/math/cephes_mconf.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/winsup/mingw/mingwex/math/cephes_mconf.h b/winsup/mingw/mingwex/math/cephes_mconf.h index 85e0bdcf0..9818c4546 100644 --- a/winsup/mingw/mingwex/math/cephes_mconf.h +++ b/winsup/mingw/mingwex/math/cephes_mconf.h @@ -33,13 +33,17 @@ #define PIO4 7.85398163397448309616E-1 #define NEGZERO (-0.0) -extern double __INF; +#undef NAN #undef INFINITY +#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) +#define INFINITY __builtin_huge_val() +#define NAN __builtin_nan("") +#else +extern double __INF; #define INFINITY (__INF) extern double __QNAN; -#undef NAN #define NAN (__QNAN) - +#endif /*long double*/ #define MAXNUML 1.189731495357231765021263853E4932L @@ -57,10 +61,18 @@ extern double __QNAN; #define signbitl signbit #define NEGZEROL (-0.0L) + +#undef NANL +#undef INFINITYL +#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) +#define INFINITYL __builtin_huge_vall() +#define NANL __builtin_nanl("") +#else extern long double __INFL; #define INFINITYL (__INFL) extern long double __QNANL; #define NANL (__QNANL) +#endif /* float */ @@ -79,10 +91,18 @@ extern long double __QNANL; #define signbitf signbit #define NEGZEROF (-0.0F) + +#undef NANF +#undef INFINITYF +#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)) +#define INFINITYF __builtin_huge_valf() +#define NANF __builtin_nanf("") +#else extern float __INFF; #define INFINITYF (__INFF) extern float __QNANF; #define NANF (__QNANF) +#endif /* double */ |