Home | History | Annotate | Download | only in gregbook

Lines Matching refs:PI

128 #ifndef PI
129 #  define PI             3.141592653589793238
131 #define PI_2             (PI*0.5)
132 #define INV_PI_360       (360.0 / PI)
1004                 intensity = cos((angle+(rotate*dist*PI)) * freq) *
1007                 hue = (angle + PI) * INV_PI_360 + aoffset;