From: Sascha Schumann <sas@php.net>
Date: Sun, 20 Aug 2000 07:12:48 +0000 (+0000)
Subject: If available, use fpclassify for substituting zend_finite.
X-Git-Tag: php-4.0.2RC1~40
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9e6e64955fb87342ea40a18f9c87cf328126c81f;p=php

If available, use fpclassify for substituting zend_finite.
---

diff --git a/Zend/acconfig.h b/Zend/acconfig.h
index 2686ae8af8..01397626a0 100644
--- a/Zend/acconfig.h
+++ b/Zend/acconfig.h
@@ -56,8 +56,10 @@ int zend_sprintf(char *buffer, const char *format, ...);
 
 #ifdef HAVE_FINITE
 #define zend_finite(a) finite(a)
-#elif defined(HAVE_ISFINITE)
+#elif defined(HAVE_ISFINITE) || defined(isfinite)
 #define zend_finite(a) isfinite(a)
+#elif defined(fpclassify)
+#define zend_finite(a) ((fpclassify((a))!=FP_INFINITE&&fpclassify((a))!=FP_NAN)?1:0)
 #else
 #define zend_finite(a) (zend_isnan(a) ? 0 : zend_isinf(a) ? 0 : 1)
 #endif