--- old/src/windows/native/common/jdk_util_md.h	2013-03-04 20:45:37.881824725 -0800
+++ new/src/windows/native/common/jdk_util_md.h	2013-03-04 20:45:37.765824727 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,11 @@
 #define JDK_UTIL_MD_H
 
 #include "jni.h"
+#include <float.h>
+
+// checking for nanness
+#define ISNANF(f) _isnan(f)
+#define ISNAND(d) _isnan(d)
 
 #ifdef __cplusplus
 extern "C" {