zend_isinf() is already defined in Zend/zend_config.w32.h for Win32.

diff --git a/ext/standard/math.c b/ext/standard/math.c
index cfaa7ae964efaeb6081b2084d21f192936875c97..f108e4f34d14ea0e9cc7249262ff65a5670542f7 100644 (file)
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -34,7 +34,6 @@
 #ifdef PHP_WIN32
 # define zend_finite(x) _finite(x)
 # define zend_isnan(x) _isnan(x)
-# define zend_isinf(x) _isnan(x)
 #endif
 
 /* {{{ proto int abs(int number)