Searched refs:TWOPI (Results 1 – 3 of 3) sorted by relevance
59 *u = 1.0 - acos(x / sqrt(r1)) / TWOPI; in xytopolar()61 *u = acos(x / sqrt(r1)) / TWOPI; in xytopolar()71 *u = 1.0 - acos(pnt.x / sqrt(r1)) / TWOPI; in xyztocyl()73 *u = acos(pnt.x / sqrt(r1)) / TWOPI; in xyztocyl()84 theta = acos((pnt.x / r1) / sin(phi)) / TWOPI; in xyztospr()
52 #define TWOPI 6.2831853 macro
66 #define TWOPI 6.2831853 /* guess */ macro