From dde62bcd2efbb3825d982326896ab774e73e4218 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 17 Jan 2000 08:37:53 +0000
Subject: 2000-01-17

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@606 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/isnan.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'missing')

diff --git a/missing/isnan.c b/missing/isnan.c
index 96bb93ba6a..3c56765807 100644
--- a/missing/isnan.c
+++ b/missing/isnan.c
@@ -1,3 +1,15 @@
+#ifdef _MSC_VER
+
+#include <float.h>
+int
+isnan(n)
+  double n;
+{
+  return _isnan(n);
+}
+
+#else
+
 static int double_ne();
 
 int
@@ -14,3 +26,4 @@ double_ne(n1, n2)
 {
   return n1 != n2;
 }
+#endif
-- 
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