C/autotools/chealpix.c

187   int iring, iphi, kshift, nr;
195     iphi  = (pix+1) - 2*iring*(iring-1);
198     *face_num = special_div(iphi-1,nr);
204     iphi  = (ip%(4*nside_)) + 1;
209     int ifm = (iphi - ire/2 + nside_ -1) / nside_;
210     int ifp = (iphi - irm/2 + nside_ -1) / nside_;
217     iphi  = 4*iring + 1 - (ip - 2*iring*(iring-1));
221     *face_num=8+special_div(iphi-1,nr);
225   int ipt = 2*iphi- jpll[*face_num]*nr - kshift -1;
328     int iphi  = (pix+1) - 2*iring*(iring-1);
331     *phi = (iphi-0.5) * halfpi/iring;
338     int iphi  = ip%(4*nside_) + 1;
344     *phi = (iphi-fodd) * pi/nl2;
350     int iphi  = 4*iring + 1 - (ip - 2*iring*(iring-1));
353     *phi = (iphi-0.5) * halfpi/iring;
594   int64_t iring, iphi, kshift, nr;
602     iphi  = (pix+1) - 2*iring*(iring-1);
605     *face_num=special_div64(iphi-1,nr);
611     iphi  = (ip%(4*nside_)) + 1;
616     int64_t ifm = (iphi - ire/2 + nside_ -1) / nside_;
617     int64_t ifp = (iphi - irm/2 + nside_ -1) / nside_;
624     iphi  = 4*iring + 1 - (ip - 2*iring*(iring-1));
628     *face_num=8+special_div64(iphi-1,nr);
632   int64_t ipt = 2*iphi- jpll[*face_num]*nr - kshift -1;
742     int64_t iphi  = (pix+1) - 2*iring*(iring-1);
747     *phi = (iphi-0.5) * halfpi/iring;
754     int64_t iphi  = ip%(4*nside_) + 1;
760     *phi = (iphi-fodd) * pi/nl2;
766     int64_t iphi  = 4*iring + 1 - (ip - 2*iring*(iring-1));
771     *phi = (iphi-0.5) * halfpi/iring;