* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
*/
-#include "isl_lp.h"
-#include "isl_map.h"
+#include <isl/lp.h>
+#include <isl/map.h>
#include "isl_map_private.h"
-#include "isl_mat.h"
-#include "isl_set.h"
-#include "isl_seq.h"
+#include <isl_mat_private.h>
+#include <isl/set.h>
+#include <isl/seq.h>
#include "isl_equalities.h"
#include "isl_tab.h"
(struct isl_basic_map **)bset, c, opt_n, opt_d);
}
-/* Compute the convex hull of a basic map, by removing the redundant
+/* Remove redundant
* constraints. If the minimal value along the normal of a constraint
* is the same if the constraint is removed, then the constraint is redundant.
*
* corresponding equality and the checked if the dimension was that
* of a facet.
*/
-struct isl_basic_map *isl_basic_map_convex_hull(struct isl_basic_map *bmap)
+__isl_give isl_basic_map *isl_basic_map_remove_redundancies(
+ __isl_take isl_basic_map *bmap)
{
struct isl_tab *tab;
return NULL;
}
-struct isl_basic_set *isl_basic_set_convex_hull(struct isl_basic_set *bset)
+__isl_give isl_basic_set *isl_basic_set_remove_redundancies(
+ __isl_take isl_basic_set *bset)
{
return (struct isl_basic_set *)
- isl_basic_map_convex_hull((struct isl_basic_map *)bset);
+ isl_basic_map_remove_redundancies((struct isl_basic_map *)bset);
}
/* Check if the set set is bound in the direction of the affine
if (res == isl_lp_ok) {
isl_int_neg(num, num);
isl_seq_combine(facet, num, facet, den, ridge, dim);
+ isl_seq_normalize(ctx, facet, dim);
}
isl_int_clear(num);
isl_int_clear(den);
isl_seq_clr(bounds->row[0], dim);
isl_int_set_si(bounds->row[0][1 + dim - 1], 1);
is_bound = uset_is_bound(set, bounds->row[0], 1 + dim);
- isl_assert(set->ctx, is_bound == 1, goto error);
+ if (is_bound < 0)
+ goto error;
+ isl_assert(set->ctx, is_bound, goto error);
isl_seq_normalize(set->ctx, bounds->row[0], 1 + dim);
bounds->n_row = 1;
static struct isl_set *set_project_out(struct isl_ctx *ctx,
struct isl_set *set, unsigned n)
{
- return isl_set_remove_dims(set, isl_set_n_dim(set) - n, n);
+ return isl_set_remove_dims(set, isl_dim_set, isl_set_n_dim(set) - n, n);
}
static struct isl_basic_set *convex_hull_0d(struct isl_set *set)
isl_int_set_si(hull->eq[k][2*(1+dim)+j], 1);
}
hull = isl_basic_set_set_rational(hull);
- hull = isl_basic_set_remove_dims(hull, dim, 2*(1+dim));
- hull = isl_basic_set_convex_hull(hull);
+ hull = isl_basic_set_remove_dims(hull, isl_dim_set, dim, 2*(1+dim));
+ hull = isl_basic_set_remove_redundancies(hull);
isl_basic_set_free(bset1);
isl_basic_set_free(bset2);
return hull;
return bounded;
}
+/* Is the image bounded for each value of the parameters and
+ * the domain variables?
+ */
+int isl_basic_map_image_is_bounded(__isl_keep isl_basic_map *bmap)
+{
+ unsigned nparam = isl_basic_map_dim(bmap, isl_dim_param);
+ unsigned n_in = isl_basic_map_dim(bmap, isl_dim_in);
+ int bounded;
+
+ bmap = isl_basic_map_copy(bmap);
+ bmap = isl_basic_map_cow(bmap);
+ bmap = isl_basic_map_move_dims(bmap, isl_dim_param, nparam,
+ isl_dim_in, 0, n_in);
+ bounded = isl_basic_set_is_bounded((isl_basic_set *)bmap);
+ isl_basic_map_free(bmap);
+
+ return bounded;
+}
+
/* Is the set bounded for each value of the parameters?
*/
int isl_set_is_bounded(__isl_keep isl_set *set)
Q = isl_mat_lin_to_aff(Q);
set = isl_set_preimage(set, U);
- set = isl_set_remove_dims(set, total - lin_dim, lin_dim);
+ set = isl_set_remove_dims(set, isl_dim_set, total - lin_dim, lin_dim);
hull = uset_convex_hull(set);
hull = isl_basic_set_preimage(hull, Q);
if (k < 0)
goto error;
n = 0;
- isl_int_set_si(lp->eq[k][n++], 0);
+ isl_int_set_si(lp->eq[k][n], 0); n++;
/* positivity constraint 1 >= 0 */
- isl_int_set_si(lp->eq[k][n++], i == 0);
+ isl_int_set_si(lp->eq[k][n], i == 0); n++;
for (j = 0; j < bset1->n_eq; ++j) {
- isl_int_set(lp->eq[k][n++], bset1->eq[j][i]);
- isl_int_neg(lp->eq[k][n++], bset1->eq[j][i]);
+ isl_int_set(lp->eq[k][n], bset1->eq[j][i]); n++;
+ isl_int_neg(lp->eq[k][n], bset1->eq[j][i]); n++;
+ }
+ for (j = 0; j < bset1->n_ineq; ++j) {
+ isl_int_set(lp->eq[k][n], bset1->ineq[j][i]); n++;
}
- for (j = 0; j < bset1->n_ineq; ++j)
- isl_int_set(lp->eq[k][n++], bset1->ineq[j][i]);
/* positivity constraint 1 >= 0 */
- isl_int_set_si(lp->eq[k][n++], -(i == 0));
+ isl_int_set_si(lp->eq[k][n], -(i == 0)); n++;
for (j = 0; j < bset2->n_eq; ++j) {
- isl_int_neg(lp->eq[k][n++], bset2->eq[j][i]);
- isl_int_set(lp->eq[k][n++], bset2->eq[j][i]);
+ isl_int_neg(lp->eq[k][n], bset2->eq[j][i]); n++;
+ isl_int_set(lp->eq[k][n], bset2->eq[j][i]); n++;
+ }
+ for (j = 0; j < bset2->n_ineq; ++j) {
+ isl_int_neg(lp->eq[k][n], bset2->ineq[j][i]); n++;
}
- for (j = 0; j < bset2->n_ineq; ++j)
- isl_int_neg(lp->eq[k][n++], bset2->ineq[j][i]);
}
lp = isl_basic_set_gauss(lp, NULL);
isl_basic_set_free(bset1);
isl_seq_clr(dir->block.data + 1, dir->size - 1);
n = 1;
/* positivity constraint 1 >= 0 */
- isl_int_set(dir->block.data[0], sample->block.data[n++]);
+ isl_int_set(dir->block.data[0], sample->block.data[n]); n++;
for (i = 0; i < bset1->n_eq; ++i) {
isl_int_sub(sample->block.data[n],
sample->block.data[n], sample->block.data[n+1]);
isl_map_convex_hull((struct isl_map *)set);
}
+__isl_give isl_basic_map *isl_map_polyhedral_hull(__isl_take isl_map *map)
+{
+ isl_basic_map *hull;
+
+ hull = isl_map_convex_hull(map);
+ return isl_basic_map_remove_divs(hull);
+}
+
+__isl_give isl_basic_set *isl_set_polyhedral_hull(__isl_take isl_set *set)
+{
+ return (isl_basic_set *)isl_map_polyhedral_hull((isl_map *)set);
+}
+
struct sh_data_entry {
struct isl_hash_table *table;
struct isl_tab *tab;
hull = isl_basic_map_overlying_set(bset, model);
hull = isl_basic_map_intersect(hull, affine_hull);
- hull = isl_basic_map_convex_hull(hull);
+ hull = isl_basic_map_remove_redundancies(hull);
ISL_F_SET(hull, ISL_BASIC_MAP_NO_IMPLICIT);
ISL_F_SET(hull, ISL_BASIC_MAP_ALL_EQUALITIES);
projects / platform / upstream / isl.git / blobdiff