113 	isl_mat *indep;  member
724 	isl_mat_free(node->indep);  in clear_node()
2438 static __isl_give isl_mat *normalize_independent(__isl_take isl_mat *indep)  in normalize_independent()  argument
2440 	indep = isl_mat_reverse_gauss(indep);  in normalize_independent()
2441 	indep = isl_mat_lexnonneg_rows(indep);  in normalize_independent()
2442 	return indep;  in normalize_independent()
2492 	isl_mat_free(node->indep);  in node_update_vmap()
2495 	node->indep = isl_mat_transpose(U);  in node_update_vmap()
2497 	node->indep = isl_mat_drop_rows(node->indep, 0, node->rank);  in node_update_vmap()
2498 	node->indep = normalize_independent(node->indep);  in node_update_vmap()
2501 	if (!node->indep || !node->vmap || node->rank < 0)  in node_update_vmap()
3076 static __isl_give isl_mat *construct_trivial(__isl_keep isl_mat *indep)  in construct_trivial()  argument
3083 	n = isl_mat_rows(indep);  in construct_trivial()
3084 	n_var = isl_mat_cols(indep);  in construct_trivial()
3088 	ctx = isl_mat_get_ctx(indep);  in construct_trivial()
3095 			isl_int_neg(mat->row[i][2 * nj], indep->row[i][j]);  in construct_trivial()
3096 			isl_int_set(mat->row[i][2 * nj + 1], indep->row[i][j]);  in construct_trivial()
3122 			trivial = construct_trivial(node->indep);  in solve_lp()
4575 	node_sol = isl_mat_vec_product(isl_mat_copy(node->indep), node_sol);  in is_trivial()