lib/libvgl/simple.c

442   int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
443   int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
452   d+=(3*(asq-bsq)/2-(dx+dy))/2;
458     y--; dy-=asq2; d+=asq-dy;
478   int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
479   int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
488   d+=(3*(asq-bsq)/2-(dx+dy))/2;
494     y--; dy-=asq2; d+=asq-dy;