centerc2          945 ext/gd/libgd/gd_topal.c   int centerc0, centerc1, centerc2;
centerc2          961 ext/gd/libgd/gd_topal.c   centerc2 = (minc2 + maxc2) >> 1;
centerc2         1067 ext/gd/libgd/gd_topal.c 	  if (x <= centerc2)