MFH: NAN==NAN doest work (Ard)

diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 43000643c5d06932614ef6ee696ad9d82c10d2af..b92e50ab0bb4dc335ca6fd3e613a638208a5e0ac 100644 (file)
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -272,8 +272,6 @@ AC_CACHE_CHECK(whether atof() accepts NAN, ac_cv_atof_accept_nan,[
 
 #ifdef HAVE_ISNAN
 #define zend_isnan(a) isnan(a)
-#elif defined(NAN)
-#define zend_isnan(a) (((a)==NAN)?1:0)
 #elif defined(HAVE_FPCLASS)
 #define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
 #else
@@ -346,8 +344,6 @@ AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL = NAN, ac_cv_huge_val_nan,[
 
 #ifdef HAVE_ISNAN
 #define zend_isnan(a) isnan(a)
-#elif defined(NAN)
-#define zend_isnan(a) (((a)==NAN)?1:0)
 #elif defined(HAVE_FPCLASS)
 #define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
 #else