From 0d3ac4cc30b893ea02b5adeeb9c407db357b298c Mon Sep 17 00:00:00 2001
From: Brian Gaeke <gaeke@uiuc.edu>
Date: Wed, 21 Jul 2004 03:32:51 +0000
Subject: Solaris hack for isinf()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15058 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/IsInf.cpp | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/lib/Support/IsInf.cpp b/lib/Support/IsInf.cpp
index 4142b91..7fd857e 100644
--- a/lib/Support/IsInf.cpp
+++ b/lib/Support/IsInf.cpp
@@ -19,6 +19,11 @@
 #elif HAVE_STD_ISINF_IN_CMATH
 # include <cmath>
 using std::isinf;
+#elif HAVE_FINITE_IN_IEEEFP_H
+// A handy workaround I found at http://www.unixguide.net/sun/faq ...
+// apparently this has been a problem with Solaris for years.
+# include <ieeefp.h>
+static int isinf(double x) { return !finite(x) && x==x; }
 #else
 # error "Don't know how to get isinf()"
 #endif
-- 
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