Changeset 11445

Timestamp:

02/14/12 11:56:44 (13 years ago)

Author:

Eric.Larour

Message:

NAN and INFINITY for Visual Studio win7 compile

File:

• issm/trunk-jpl/src/c/include/typedefs.h (modified) (1 diff)

issm/trunk-jpl/src/c/include/typedefs.h

@@ -23 +23 @@
 /*Windows specific typefefs: */
 #ifdef _INTEL_WIN_
-#define NAN 0.0/0.0
-#define INFINITY 1.0/0.0
+
+/*Complicated way, which does not handle INFINITY though: */
+/*#ifndef NAN
+        static const unsigned long __nan[2] = {0xffffffff, 0x7fffffff};
+        #define NAN (*(const float *) __nan)
+#endif*/
+
+//For reference, for Intel compile on win64
+//#define NAN 0.0/0.0 
+//#define INFINITY 1.0/0.0
+
+//Most generic way it would seem:
+#define INFINITY (DBL_MAX+DBL_MAX)
+#define NAN (INFINITY-INFINITY)
+        
 #endif