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| author | Sascha Schumann <sas@php.net> | 2000-06-18 16:33:15 +0000 |
|---|---|---|
| committer | Sascha Schumann <sas@php.net> | 2000-06-18 16:33:15 +0000 |
| commit | 0404a0243012a7fdf201cdf83a37e43c9455e9b6 (patch) | |
| tree | 2bd247ca55f67413566a462d36dccf7c3a98ee49 /Zend/acconfig.h | |
| parent | 6e815b76eabaddd4a8e91e2577d6a8d83f7143b4 (diff) | |
| download | php-git-0404a0243012a7fdf201cdf83a37e43c9455e9b6.tar.gz | |
Welcome zend_finite(n).
This chooses the best combination of what is available:
finite, isfinite, isinf, isnan
Diffstat (limited to 'Zend/acconfig.h')
| -rw-r--r-- | Zend/acconfig.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Zend/acconfig.h b/Zend/acconfig.h index 85e52829f1..9b3153daf1 100644 --- a/Zend/acconfig.h +++ b/Zend/acconfig.h @@ -35,6 +35,20 @@ int zend_sprintf(char *buffer, const char *format, ...); # define zend_sprintf sprintf #endif +#ifdef HAVE_FINITE +#define zend_finite(a) finite(a) +#elif defined(HAVE_ISFINITE) +#define zend_finite(a) isfinite(a) +#elif defined(HAVE_ISNAN) && defined(HAVE_ISINF) +#define zend_finite(a) (isnan(a) ? 0 : isinf(a) ? 0 : 1) +#elif defined(HAVE_ISNAN) +#define zend_finite(a) (isnan(a) ? 0 : 1) +#elif defined(HAVE_ISINF) +#define zend_finite(a) (isinf(a) ? 0 : 1) +#else +#define zend_finite(a) (1) +#endif + /* * Local variables: * tab-width: 4 |