diff options
| -rw-r--r-- | data/diffraction.cl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/data/diffraction.cl b/data/diffraction.cl index c3a0e637..d3fef375 100644 --- a/data/diffraction.cl +++ b/data/diffraction.cl @@ -11,7 +11,9 @@ #include <defs.h> +#ifndef M_PI #define M_PI ((float)(3.14159265)) +#endif float4 quat_rot(float4 q, float4 z) { |