diff options
Diffstat (limited to 'Eigen/Geometry')
| -rw-r--r-- | Eigen/Geometry | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/Geometry b/Eigen/Geometry index 7a3ca9ede..d62723188 100644 --- a/Eigen/Geometry +++ b/Eigen/Geometry @@ -3,6 +3,10 @@ #include "Core" +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + namespace Eigen { /** \defgroup Geometry Geometry module |