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-rw-r--r--src/util/mathconstants.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/util/mathconstants.h b/src/util/mathconstants.h
new file mode 100644
index 000000000..1b478aa95
--- /dev/null
+++ b/src/util/mathconstants.h
@@ -0,0 +1,7 @@
+#include <math.h>
+
+// MSVC doesn't seem to define this
+#ifndef M_PI
+ #define M_PI 3.1415926535
+#endif
+