From b844c8e039b18a665ce2e80da0e4000708a16362 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Sat, 20 Jul 2013 00:31:18 +0100
Subject: [PATCH] util/u_math: Define NAN/INFINITY macros for MSVC.

Untested. But should hopefully fix the build.
---
 src/gallium/auxiliary/util/u_math.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index bc3948875a9..702d4e9d403 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -48,6 +48,7 @@ extern "C" {
 
 
 #include <math.h>
+#include <float.h>
 #include <stdarg.h>
 
 #ifdef PIPE_OS_UNIX
@@ -133,6 +134,9 @@ roundf(float x)
    return x >= 0.0f ? floorf(x + 0.5f) : ceilf(x - 0.5f);
 }
 
+#define INFINITY (DBL_MAX + DBL_MAX)
+#define NAN (INFINITY - INFINITY)
+
 #endif /* _MSC_VER */
 
 
-- 
2.30.2