66 struct vec2d {  struct
71 	struct vec2d a;  argument
72 	struct vec2d b;
4112 vec2d_cross_product(struct vec2d a, struct vec2d b)  in vec2d_cross_product()
4117 static struct vec2d
4118 vec2d_add(struct vec2d a, struct vec2d b)  in vec2d_add()
4120 	return (struct vec2d) {  in vec2d_add()
4126 static struct vec2d
4127 vec2d_subtract(struct vec2d a, struct vec2d b)  in vec2d_subtract()
4129 	return (struct vec2d) {  in vec2d_subtract()
4135 static struct vec2d
4136 vec2d_multiply_constant(double c, struct vec2d a)  in vec2d_multiply_constant()
4138 	return (struct vec2d) {  in vec2d_multiply_constant()
4146 		struct vec2d *intersection)  in lines_intersect()
4148 	struct vec2d p = line1->a;  in lines_intersect()
4149 	struct vec2d r = vec2d_subtract(line1->b, line1->a);  in lines_intersect()
4150 	struct vec2d q = line2->a;  in lines_intersect()
4151 	struct vec2d s = vec2d_subtract(line2->b, line2->a);  in lines_intersect()
4204 			.a = (struct vec2d) {  in add_border()
4208 			.b = (struct vec2d) {  in add_border()
4499 	struct vec2d intersection;  in get_closest_border()
4500 	struct vec2d delta;  in get_closest_border()
4601 		.a = (struct vec2d) {  in weston_pointer_clamp_event_to_region()
4605 		.b = (struct vec2d) {  in weston_pointer_clamp_event_to_region()