diff options
-rw-r--r-- | test/raytracer/config.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/raytracer/config.h b/test/raytracer/config.h index 49361dc5..009c125e 100644 --- a/test/raytracer/config.h +++ b/test/raytracer/config.h @@ -5,6 +5,10 @@ #include <stdlib.h> #include <string.h> +#ifndef M_PI +# define M_PI 3.14159265358979323846 +#endif + #ifdef SINGLE_PRECISION typedef float flt; #else |