inc0             1122 ext/gd/libgd/gd_topal.c   INT32 inc0, inc1, inc2;	/* initial values for increments */
inc0             1158 ext/gd/libgd/gd_topal.c       inc0 = (minc0 - r) * C0_SCALE;
inc0             1159 ext/gd/libgd/gd_topal.c       dist0 = inc0 * inc0;
inc0             1165 ext/gd/libgd/gd_topal.c       inc0 = inc0 * (2 * STEP_C0) + STEP_C0 * STEP_C0;
inc0             1171 ext/gd/libgd/gd_topal.c       xx0 = inc0;