com php-src: fix acosh for vs2012 and earlier: ext/standard/math.c
| From: | Anatol Belski | Date: | Mon, 01 Sep 2014 13:34:42 +0000 |
| Subject: | com php-src: fix acosh for vs2012 and earlier: ext/standard/math.c | ||
| Groups: | php.cvs | ||
| Request: | Send a blank email to php-cvs+get-81326@lists.php.net to get a copy of this message | ||
Commit: f4ed876db13db1bf0436b59c8f4f5d9298fd8b51
Author: Anatol Belski <ab@php.net> Mon, 1 Sep 2014 15:33:40 +0200
Parents: 3aa5583cab35f94dc6847c01b4e9838e1969faa9
Branches: master
Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=f4ed876db13db1bf0436b59c8f4f5d9298fd8b51
Log:
fix acosh for vs2012 and earlier
Changed paths:
M ext/standard/math.c
Diff:
diff --git a/ext/standard/math.c b/ext/standard/math.c
index 665822c..c957ca4 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -240,7 +240,15 @@ static double php_acosh(double x)
#ifdef HAVE_ACOSH
return(acosh(x));
#else
+# ifdef _WIN64
+ if (x >= 1) {
+ return log(x + sqrt(x * x - 1));
+ } else {
+ return (DBL_MAX+DBL_MAX)-(DBL_MAX+DBL_MAX);
+ }
+# else
return(log(x + sqrt(x * x - 1)));
+# endif
#endif
}
/* }}} */