From 98d6f01de3969ecd0bdc6458e7fb2475e581e6f9 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 7 Jun 2008 18:49:52 +0000
Subject: merge revision(s) 13914:13917: 	* missing/isinf.c (isinf):
 don't define if the macro is defined. 	* numeric.c (flodivmod): work around
 for infinity.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@16935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/isinf.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'missing')

diff --git a/missing/isinf.c b/missing/isinf.c
index e44ef6c3c1..c9e49c6795 100644
--- a/missing/isinf.c
+++ b/missing/isinf.c
@@ -28,12 +28,19 @@ isinf(n)
 #include <ieeefp.h>
 #endif
 
+/* 
+ * isinf may be provided only as a macro.
+ * ex. HP-UX, Solaris 10
+ * http://www.gnu.org/software/automake/manual/autoconf/Function-Portability.html
+ */
+#ifndef isinf
 int
 isinf(n)
     double n;
 {
     return (!finite(n) && !isnan(n));
 }
+#endif
 
 #else
 
-- 
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