Searched defs:PI (Results 1 - 2 of 2) sorted by relevance

/vbox/src/libs/libpng-1.2.8/contrib/gregbook/
H A Drpng2-win.c72 #ifndef PI
73 # define PI 3.141592653589793238 macro
75 #define PI_2 (PI*0.5)
76 #define INV_PI_360 (360.0 / PI)
922 intensity = cos((angle+(rotate*dist*PI)) * freq) *
925 hue = (angle + PI) * INV_PI_360 + aoffset;
H A Drpng2-x.c79 #ifndef PI
80 # define PI 3.141592653589793238 macro
82 #define PI_2 (PI*0.5)
83 #define INV_PI_360 (360.0 / PI)
1027 intensity = cos((angle+(rotate*dist*PI)) * freq) *
1030 hue = (angle + PI) * INV_PI_360 + aoffset;

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