f_slop_x 1734 ext/gd/libgd/gd_interpolation.c const gdFixed f_slop_x = f_cos; f_slop_x 1735 ext/gd/libgd/gd_interpolation.c const gdFixed f_slop = f_slop_x > 0 && f_slop_x > 0 ? f_slop_x 1736 ext/gd/libgd/gd_interpolation.c f_slop_x > f_slop_y ? gd_divfx(f_slop_y, f_slop_x) : gd_divfx(f_slop_x, f_slop_y)