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Add M_PI for C99

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Jan Niklas Hasse 2014-08-12 22:24:09 +02:00
parent 4f6fca0f62
commit 8193397946
1 changed files with 6 additions and 1 deletions
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poly2tri/common/utils.h
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@ -38,6 +38,11 @@
#include <exception> #include <exception>
#include <math.h> #include <math.h>
// C99 removes M_PI from math.h
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327
#endif
namespace p2t { namespace p2t {
const double PI_3div4 = 3 * M_PI / 4; const double PI_3div4 = 3 * M_PI / 4;
@ -119,4 +124,4 @@ bool InScanArea(const Point& pa, const Point& pb, const Point& pc, const Point&
} }
#endif #endif