46     cmsFloat64Number theta;  member
131         sp ->alpha = sp ->theta = 0;  in ToSpherical()
136     sp ->theta = _cmsAtan2(sqrt(a*a + b*b), L);  in ToSpherical()
152     sin_theta = sin((M_PI * sp ->theta) / 180.0);  in ToCartesian()
153     cos_theta = cos((M_PI * sp ->theta) / 180.0);  in ToCartesian()
168 void QuantizeToSector(const cmsSpherical* sp, int* alpha, int* theta)  in QuantizeToSector()  argument
171     *theta = (int) floor(((sp->theta * (SECTORS)) / 180.0) );  in QuantizeToSector()
175     if (*theta >= SECTORS)  in QuantizeToSector()
176         *theta = SECTORS-1;  in QuantizeToSector()
325     int alpha, theta;  in GetPoint()  local
338     if (sp ->r < 0 || sp ->alpha < 0 || sp->theta < 0) {  in GetPoint()
344     QuantizeToSector(sp, &alpha, &theta);  in GetPoint()
346     if (alpha < 0 || theta < 0 || alpha >= SECTORS || theta >= SECTORS) {  in GetPoint()
352     return &gbd ->Gamut[theta][alpha];  in GetPoint()
439 int FindNearSectors(cmsGDB* gbd, int alpha, int theta, cmsGDBPoint* Close[])  in FindNearSectors()  argument
449         t = theta + Spiral[i].AdvY;  in FindNearSectors()
473 cmsBool InterpolateMissingSector(cmsGDB* gbd, int alpha, int theta)  in InterpolateMissingSector()  argument
486     if (gbd ->Gamut[theta][alpha].Type != GP_EMPTY) return TRUE;  in InterpolateMissingSector()
489     nCloseSectors = FindNearSectors(gbd, alpha, theta, Close);  in InterpolateMissingSector()
494     sp.theta = (cmsFloat64Number) ((theta + 0.5) * 180.0) / (SECTORS);  in InterpolateMissingSector()
507     closel.theta = 0;  in InterpolateMissingSector()
529                  templ.theta >= (theta*180.0/SECTORS) &&  in InterpolateMissingSector()
530                  templ.theta <= ((theta+1)*180.0/SECTORS) &&  in InterpolateMissingSector()
539     gbd ->Gamut[theta][alpha].p = closel;  in InterpolateMissingSector()
540     gbd ->Gamut[theta][alpha].Type = GP_MODELED;  in InterpolateMissingSector()
551     int alpha, theta;  in cmsGDBCompute()  local
570     for (theta = 1; theta < SECTORS; theta++) {  in cmsGDBCompute()
573             if (!InterpolateMissingSector(gbd, alpha, theta)) return FALSE;  in cmsGDBCompute()