sum_g             492 ext/gd/libgd/webpimg.c     const int sum_g =
sum_g             504 ext/gd/libgd/webpimg.c     *u_dst++ = GetChromaU(sum_r, sum_g, sum_b);
sum_g             505 ext/gd/libgd/webpimg.c     *v_dst++ = GetChromaV(sum_r, sum_g, sum_b);
sum_g             515 ext/gd/libgd/webpimg.c     const int sum_g = GetGreen(rgb_line1) + GetGreen(rgb_line2);
sum_g             520 ext/gd/libgd/webpimg.c     *u_dst = GetChromaU(2 * sum_r, 2 * sum_g, 2 * sum_b);
sum_g             521 ext/gd/libgd/webpimg.c     *v_dst = GetChromaV(2 * sum_r, 2 * sum_g, 2 * sum_b);