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-rw-r--r--mesalib/src/gallium/auxiliary/util/u_math.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_math.h b/mesalib/src/gallium/auxiliary/util/u_math.h
index bc3948875..702d4e9d4 100644
--- a/mesalib/src/gallium/auxiliary/util/u_math.h
+++ b/mesalib/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 */