p_dist            935 ext/gd/libgd/gd.c 	float p_dist, p_alpha;
p_dist            969 ext/gd/libgd/gd.c 		p_dist = fabs ((float) ((Ay_Cy * im->AAL_Bx_Ax) - (Ax_Cx * im->AAL_By_Ay)) / im->AAL_LAB);
p_dist            975 ext/gd/libgd/gd.c 		p_dist = -1;
p_dist            978 ext/gd/libgd/gd.c 	if ((p_dist >= 0) && (p_dist <= (float) (im->thick))) {
p_dist            979 ext/gd/libgd/gd.c 		p_alpha = pow (1.0 - (p_dist / 1.5), 2);