return NULL;
mat2 = isl_mat_alloc(mat->ctx, 1+mat->n_row, 1+mat->n_col);
if (!mat2)
- return NULL;
+ goto error;
isl_int_set_si(mat2->row[0][0], 1);
isl_seq_clr(mat2->row[0]+1, mat->n_col);
for (i = 0; i < mat->n_row; ++i) {
}
isl_mat_free(mat);
return mat2;
+error:
+ isl_mat_free(mat);
+ return NULL;
}
static int row_first_non_zero(isl_int **row, unsigned n_row, unsigned col)