Fix some #defines for Windows

[libs/gl.git] / source / ambientocclusion.cpp

diff --git a/source/ambientocclusion.cpp b/source/ambientocclusion.cpp
index cf530dc3ce389fcd6650fd60f82966df055ef354..f1e722af5896ddf6754e991acb28fbbb5bc65449 100644 (file)
--- a/source/ambientocclusion.cpp
+++ b/source/ambientocclusion.cpp
@@ -1,3 +1,4 @@
+#define _USE_MATH_DEFINES
 #include <cmath>
 #include "ambientocclusion.h"
 #include "blend.h"