helly Mon May 10 03:25:11 2004 EDT
Modified files: (Branch: PHP_4_3)
/php-src/ext/standard basic_functions.c config.m4
Log:
MFH Decouple NAN and INF
http://cvs.php.net/diff.php/php-src/ext/standard/basic_functions.c?r1=1.543.2.36&r2=1.543.2.37&ty=u
Index: php-src/ext/standard/basic_functions.c
diff -u php-src/ext/standard/basic_functions.c:1.543.2.36
php-src/ext/standard/basic_functions.c:1.543.2.37
--- php-src/ext/standard/basic_functions.c:1.543.2.36 Fri Apr 2 04:33:49 2004
+++ php-src/ext/standard/basic_functions.c Mon May 10 03:25:11 2004
@@ -17,7 +17,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: basic_functions.c,v 1.543.2.36 2004/04/02 09:33:49 derick Exp $ */
+/* $Id: basic_functions.c,v 1.543.2.37 2004/05/10 07:25:11 helly Exp $ */
#include "php.h"
#include "php_streams.h"
@@ -1004,7 +1004,7 @@
#if HAVE_HUGE_VAL_NAN
return HUGE_VAL + -HUGE_VAL;
#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) ||
defined(__alpha)
- double val = 0;
+ double val = 0.0;
((php_uint32*)&val)[1] = PHP_DOUBLE_QUIET_NAN_HIGH;
((php_uint32*)&val)[0] = 0;
return val;
@@ -1017,10 +1017,10 @@
PHPAPI double php_get_inf(void)
{
-#if HAVE_HUGE_VAL_NAN
+#if HAVE_HUGE_VAL_INF
return HUGE_VAL;
#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) ||
defined(__alpha)
- double val = 0;
+ double val = 0.0;
((php_uint32*)&val)[1] = PHP_DOUBLE_INFINITY_HIGH;
((php_uint32*)&val)[0] = 0;
return val;
http://cvs.php.net/diff.php/php-src/ext/standard/config.m4?r1=1.47.2.13&r2=1.47.2.14&ty=u
Index: php-src/ext/standard/config.m4
diff -u php-src/ext/standard/config.m4:1.47.2.13
php-src/ext/standard/config.m4:1.47.2.14
--- php-src/ext/standard/config.m4:1.47.2.13 Sun Apr 4 08:31:38 2004
+++ php-src/ext/standard/config.m4 Mon May 10 03:25:11 2004
@@ -1,4 +1,4 @@
-dnl $Id: config.m4,v 1.47.2.13 2004/04/04 12:31:38 helly Exp $ -*- sh -*-
+dnl $Id: config.m4,v 1.47.2.14 2004/05/10 07:25:11 helly Exp $ -*- sh -*-
divert(3)dnl
@@ -326,7 +326,7 @@
AC_DEFINE([HAVE_ATOF_ACCEPTS_INF], 1, [whether atof() accepts INF])
fi
-AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
+AC_CACHE_CHECK(whether HUGE_VAL == INF, ac_cv_huge_val_inf,[
AC_TRY_RUN([
#include <math.h>
#include <stdlib.h>
@@ -342,6 +342,28 @@
#define zend_isinf(a) 0
#endif
+int main(int argc, char** argv)
+{
+ return zend_isinf(HUGE_VAL) ? 0 : 1;
+}
+ ],[
+ ac_cv_huge_val_inf=yes
+ ],[
+ ac_cv_huge_val_inf=no
+ ],[
+ ac_cv_huge_val_inf=yes
+ ])
+])
+dnl This is the most probable fallback so we assume yes in case of cross compile.
+if test "$ac_cv_huge_val_inf" = "yes"; then
+ AC_DEFINE([HAVE_HUGE_VAL_INF], 1, [whether HUGE_VAL == INF])
+fi
+
+AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
+ AC_TRY_RUN([
+#include <math.h>
+#include <stdlib.h>
+
#ifdef HAVE_ISNAN
#define zend_isnan(a) isnan(a)
#elif defined(HAVE_FPCLASS)
@@ -356,7 +378,7 @@
/* prevent bug #27830 */
return 1;
#else
- return zend_isinf(HUGE_VAL) && zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
+ return zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
#endif
}
],[
--
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