PI                130 contrib/gregbook/rpng2-win.c #ifndef PI
PI                133 contrib/gregbook/rpng2-win.c #define PI_2             (PI*0.5)
PI                134 contrib/gregbook/rpng2-win.c #define INV_PI_360       (360.0 / PI)
PI               1006 contrib/gregbook/rpng2-win.c                 intensity = cos((angle+(rotate*dist*PI)) * freq) *
PI               1009 contrib/gregbook/rpng2-win.c                 hue = (angle + PI) * INV_PI_360 + aoffset;
PI                135 contrib/gregbook/rpng2-x.c #ifndef PI
PI                138 contrib/gregbook/rpng2-x.c #define PI_2             (PI*0.5)
PI                139 contrib/gregbook/rpng2-x.c #define INV_PI_360       (360.0 / PI)
PI               1256 contrib/gregbook/rpng2-x.c                 intensity = cos((angle+(rotate*dist*PI)) * freq) *
PI               1259 contrib/gregbook/rpng2-x.c                 hue = (angle + PI) * INV_PI_360 + aoffset;
PI               2024 contrib/gregbook/rpng2-x.c                 intensity = cos((angle+(rotate*dist*PI)) * freq) *
PI               2027 contrib/gregbook/rpng2-x.c                 hue = (angle + PI) * INV_PI_360 + aoffset;