From d3642d720ce0149b158046bd79677e536d9c0f31 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 25 Oct 2004 18:47:10 +0000
Subject: Patch to support MSVC, contributed by Morten Ofstad

llvm-svn: 17220
---
 llvm/lib/Support/IsInf.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/Support/IsInf.cpp')

diff --git a/llvm/lib/Support/IsInf.cpp b/llvm/lib/Support/IsInf.cpp
index c50eadff179..7087dd94c14 100644
--- a/llvm/lib/Support/IsInf.cpp
+++ b/llvm/lib/Support/IsInf.cpp
@@ -24,6 +24,9 @@ using std::isinf;
 // apparently this has been a problem with Solaris for years.
 # include <ieeefp.h>
 static int isinf(double x) { return !finite(x) && x==x; }
+#elif defined(_MSC_VER)
+#include <float.h>
+#define isinf(X) (!_finite(X))
 #else
 # error "Don't know how to get isinf()"
 #endif
-- 
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