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Diffstat (limited to 'src/common/util.h')
-rw-r--r-- | src/common/util.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/common/util.h b/src/common/util.h index 652278e..74871dc 100644 --- a/src/common/util.h +++ b/src/common/util.h @@ -22,6 +22,10 @@ #include <math.h> +#ifndef M_PI +#define M_PI 3.141592654 +#endif + /*! @brief Compute a bounding rectangle for two given points. @param p1 a point. |