*/
#include <isl_ctx_private.h>
+#include <isl_map_private.h>
#include <isl/space.h>
#include <isl/seq.h>
#include <isl_mat_private.h>
-#include "isl_map_private.h"
#include <isl_space_private.h>
+#include <isl_val_private.h>
isl_ctx *isl_mat_get_ctx(__isl_keep isl_mat *mat)
{
return 0;
}
+/* Extract the element at row "row", oolumn "col" of "mat".
+ */
+__isl_give isl_val *isl_mat_get_element_val(__isl_keep isl_mat *mat,
+ int row, int col)
+{
+ isl_ctx *ctx;
+
+ if (!mat)
+ return NULL;
+ ctx = isl_mat_get_ctx(mat);
+ if (row < 0 || row >= mat->n_row)
+ isl_die(ctx, isl_error_invalid, "row out of range",
+ return NULL);
+ if (col < 0 || col >= mat->n_col)
+ isl_die(ctx, isl_error_invalid, "column out of range",
+ return NULL);
+ return isl_val_int_from_isl_int(ctx, mat->row[row][col]);
+}
+
__isl_give isl_mat *isl_mat_set_element(__isl_take isl_mat *mat,
int row, int col, isl_int v)
{
return NULL;
}
+/* Replace the element at row "row", column "col" of "mat" by "v".
+ */
+__isl_give isl_mat *isl_mat_set_element_val(__isl_take isl_mat *mat,
+ int row, int col, __isl_take isl_val *v)
+{
+ if (!v)
+ return isl_mat_free(mat);
+ if (!isl_val_is_int(v))
+ isl_die(isl_val_get_ctx(v), isl_error_invalid,
+ "expecting integer value", goto error);
+ mat = isl_mat_set_element(mat, row, col, v->n);
+ isl_val_free(v);
+ return mat;
+error:
+ isl_val_free(v);
+ return isl_mat_free(mat);
+}
+
__isl_give isl_mat *isl_mat_diag(isl_ctx *ctx, unsigned n_row, isl_int d)
{
int i;