X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/311765c2a864aa1c23d90108443fde554c52a0b3..f5a1953b341d16396763bee067ccdd96108f3aad:/src/common/matrix.cpp

diff --git a/src/common/matrix.cpp b/src/common/matrix.cpp
index 78a4251891..d324a852dd 100644
--- a/src/common/matrix.cpp
+++ b/src/common/matrix.cpp
@@ -25,12 +25,12 @@
 
 #ifndef WX_PRECOMP
 #include "wx/defs.h"
+#include "wx/math.h"
 #endif
 
 #include "wx/matrix.h"
-#include <math.h>
 
-static const double pi = 3.1415926535;
+static const double pi = M_PI;
 
 wxTransformMatrix::wxTransformMatrix(void)
 {