45     cmsFloat64Number alpha;  member
131         sp ->alpha = sp ->theta = 0;  in ToSpherical()
135     sp ->alpha = _cmsAtan2(a, b);  in ToSpherical()
150     sin_alpha = sin((M_PI * sp ->alpha) / 180.0);  in ToCartesian()
151     cos_alpha = cos((M_PI * sp ->alpha) / 180.0);  in ToCartesian()
168 void QuantizeToSector(const cmsSpherical* sp, int* alpha, int* theta)  in QuantizeToSector()  argument
170     *alpha = (int) floor(((sp->alpha * (SECTORS)) / 360.0) );  in QuantizeToSector()
173     if (*alpha >= SECTORS)  in QuantizeToSector()
174         *alpha = 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
448         a = alpha + Spiral[i].AdvX;  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()
493     sp.alpha = (cmsFloat64Number) ((alpha + 0.5) * 360.0) / (SECTORS);  in InterpolateMissingSector()
506     closel.alpha = 0;  in InterpolateMissingSector()
531                  templ.alpha >= (alpha*360.0/SECTORS) &&  in InterpolateMissingSector()
532                  templ.alpha <= ((alpha+1)*360.0/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
557     for (alpha = 0; alpha < SECTORS; alpha++) {  in cmsGDBCompute()
559         if (!InterpolateMissingSector(gbd, alpha, 0)) return FALSE;  in cmsGDBCompute()
563     for (alpha = 0; alpha < SECTORS; alpha++) {  in cmsGDBCompute()
565         if (!InterpolateMissingSector(gbd, alpha, SECTORS-1)) return FALSE;  in cmsGDBCompute()
571         for (alpha = 0; alpha < SECTORS; alpha++) {  in cmsGDBCompute()
573             if (!InterpolateMissingSector(gbd, alpha, theta)) return FALSE;  in cmsGDBCompute()