2  * Copyright (c) 2019 Kevin Townsend (KTOWN)
273 int zsl_vec_cross(struct zsl_vec *v, struct zsl_vec *w, struct zsl_vec *c)  in zsl_vec_cross()  argument
277 	if ((v->sz != 3) || (w->sz != 3) || (c->sz != 3)) {  in zsl_vec_cross()
286 	 *   C = |Cy|, V = |Vy|, W = |Wy|  in zsl_vec_cross()
296 	c->data[0] = v->data[1] * w->data[2] - v->data[2] * w->data[1];  in zsl_vec_cross()
297 	c->data[1] = v->data[2] * w->data[0] - v->data[0] * w->data[2];  in zsl_vec_cross()
298 	c->data[2] = v->data[0] * w->data[1] - v->data[1] * w->data[0];  in zsl_vec_cross()
389 	zsl_real_t c;  in zsl_vec_is_equal()  local
396 		c = v->data[i] - w->data[i];  in zsl_vec_is_equal()
397 		if (c >= eps || -c >= eps) {  in zsl_vec_is_equal()
418 	zsl_real_t c;  in zsl_vec_contains()  local
422 		c = v->data[i] - val;  in zsl_vec_contains()
423 		if (c < eps && -c < eps) {  in zsl_vec_contains()