centerc1          945 ext/gd/libgd/gd_topal.c   int centerc0, centerc1, centerc2;
centerc1          959 ext/gd/libgd/gd_topal.c   centerc1 = (minc1 + maxc1) >> 1;
centerc1         1033 ext/gd/libgd/gd_topal.c 	  if (x <= centerc1)