#include "isl_map_private.h"
#include <isl_dim_private.h>
+isl_ctx *isl_mat_get_ctx(__isl_keep isl_mat *mat)
+{
+ return mat ? mat->ctx : NULL;
+}
+
struct isl_mat *isl_mat_alloc(struct isl_ctx *ctx,
unsigned n_row, unsigned n_col)
{
{
int i;
+ if (isl_int_is_one(m))
+ return mat;
+
+ mat = isl_mat_cow(mat);
if (!mat)
return NULL;
return mat;
}
+__isl_give isl_mat *isl_mat_normalize_row(__isl_take isl_mat *mat, int row)
+{
+ mat = isl_mat_cow(mat);
+ if (!mat)
+ return NULL;
+
+ isl_seq_normalize(mat->ctx, mat->row[row], mat->n_col);
+
+ return mat;
+}
+
/* Number of initial non-zero columns.
*/
int isl_mat_initial_non_zero_cols(__isl_keep isl_mat *mat)