/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
*
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, K.U.Leuven, Departement
* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
}
total = isl_basic_set_total_dim(bset);
- unit_box = isl_basic_set_alloc_dim(isl_basic_set_get_dim(bset),
+ unit_box = isl_basic_set_alloc_space(isl_basic_set_get_space(bset),
0, 0, bset->n_ineq);
for (i = 0; i < bset->n_ineq; ++i) {
return isl_lp_error;
ctx = isl_aff_get_ctx(obj);
- if (!isl_dim_equal(bset->dim, obj->ls->dim))
+ if (!isl_space_is_equal(bset->dim, obj->ls->dim))
isl_die(ctx, isl_error_invalid,
"spaces don't match", return isl_lp_error);
if (!isl_int_is_one(obj->v->el[0]))
/* Compute the minimum (maximum if max is set) of the integer affine
* expression obj over the points in set and put the result in *opt.
+ *
+ * The parameters are assumed to have been aligned.
*/
-enum isl_lp_result isl_set_opt(__isl_keep isl_set *set, int max,
+static enum isl_lp_result isl_set_opt_aligned(__isl_keep isl_set *set, int max,
__isl_keep isl_aff *obj, isl_int *opt)
{
int i;
return empty ? isl_lp_empty : isl_lp_ok;
}
+/* Compute the minimum (maximum if max is set) of the integer affine
+ * expression obj over the points in set and put the result in *opt.
+ */
+enum isl_lp_result isl_set_opt(__isl_keep isl_set *set, int max,
+ __isl_keep isl_aff *obj, isl_int *opt)
+{
+ enum isl_lp_result res;
+
+ if (!set || !obj)
+ return isl_lp_error;
+
+ if (isl_space_match(set->dim, isl_dim_param,
+ obj->ls->dim, isl_dim_param))
+ return isl_set_opt_aligned(set, max, obj, opt);
+
+ set = isl_set_copy(set);
+ obj = isl_aff_copy(obj);
+ set = isl_set_align_params(set, isl_aff_get_domain_space(obj));
+ obj = isl_aff_align_params(obj, isl_set_get_space(set));
+
+ res = isl_set_opt_aligned(set, max, obj, opt);
+
+ isl_set_free(set);
+ isl_aff_free(obj);
+
+ return res;
+}
+
enum isl_lp_result isl_basic_set_max(__isl_keep isl_basic_set *bset,
__isl_keep isl_aff *obj, isl_int *opt)
{