atan2deg          353 src/cmspcs.c       LCh -> h = atan2deg(Lab ->b, Lab ->a);
atan2deg          607 src/cmspcs.c       cmsFloat64Number h_p = atan2deg(b_p, a_p);
atan2deg          613 src/cmspcs.c       cmsFloat64Number h_ps = atan2deg(b_ps, a_ps);