port.h: Add INFINITY macro.

cb8af015 · Thomas Faber · Alexandre Julliard · 7d24e592 · cb8af015
Commit cb8af015 authored Jun 17, 2012 by Thomas Faber Committed by Alexandre Julliard Jun 18, 2012
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port.h include/wine/port.h +9 -0

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--- a/include/wine/port.h
+++ b/include/wine/port.h
@@ -199,6 +199,15 @@ struct statvfs
 #define M_PI_2 1.570796326794896619
 #endif

+#ifndef INFINITY
+static inline float __port_infinity(void)
+{
+    static const unsigned __inf_bytes = 0x7f800000;
+    return *(const float *)&__inf_bytes;
+}
+#define INFINITY __port_infinity()
+#endif
+
 #ifndef NAN
 static inline float __port_nan(void)
 {