[WINE]

Add math.h for wine code, with NAN and INFINITY as portable constants.

svn path=/branches/cmake-bringup/; revision=50731

include/reactos/wine/math.h

@@ -0,0 +1,26 @@
+#ifndef __WINE_MATH_H_
+#define __WINE_MATH_H_
+
+#include <crt/math.h>
+
+#ifdef _MSC_VER
+__forceinline float _NaN()
+{
+    unsigned long NaN = 0x7fc00000;
+    return *(float*)&NaN;
+}
+#define NAN _NaN()
+
+__forceinline float _Infinity()
+{
+    unsigned long Infinity = 0x7f800000;
+    return *(float*)&Infinity;
+}
+#define INFINITY _Infinity()
+
+#else
+#define NAN (0.0f / 0.0f)
+#define INFINITY (1.0F/0.0F)
+#endif
+
+#endif /* __WINE_MATH_H_ */