ISL_ARG_DEF(options, struct options, options_arg)
+static __isl_give isl_basic_set *set_bounds(__isl_take isl_basic_set *bset)
+{
+ unsigned nparam;
+ int i, r;
+ isl_point *pt, *pt2;
+ isl_basic_set *box;
+
+ nparam = isl_basic_set_dim(bset, isl_dim_param);
+ r = nparam >= 8 ? 4 : nparam >= 5 ? 6 : 30;
+
+ pt = isl_basic_set_sample_point(isl_basic_set_copy(bset));
+ pt2 = isl_point_copy(pt);
+
+ for (i = 0; i < nparam; ++i) {
+ pt = isl_point_add_ui(pt, isl_dim_param, i, r);
+ pt2 = isl_point_sub_ui(pt2, isl_dim_param, i, r);
+ }
+
+ box = isl_basic_set_box_from_points(pt, pt2);
+
+ return isl_basic_set_intersect(bset, box);
+}
+
static struct isl_basic_set *to_parameter_domain(struct isl_basic_set *context)
{
struct isl_dim *param_dim;
return context;
}
-static isl_basic_set *construct_cube(isl_basic_set *context)
-{
- int i;
- unsigned dim;
- int range;
- isl_int m, M;
- struct isl_basic_set *cube;
- struct isl_basic_set *interval;
- struct isl_basic_set_list *list;
-
- dim = isl_basic_set_total_dim(context);
- if (dim == 0) {
- struct isl_dim *dims;
- dims = isl_dim_set_alloc(context->ctx, 0, 0);
- return isl_basic_set_universe(dims);
- }
-
- if (dim >= 8)
- range = 4;
- else if (dim >= 5)
- range = 6;
- else
- range = 30;
-
- isl_int_init(m);
- isl_int_init(M);
-
- isl_int_set_si(m, -range);
- isl_int_set_si(M, range);
-
- interval = isl_basic_set_interval(context->ctx, m, M);
- list = isl_basic_set_list_alloc(context->ctx, dim);
- for (i = 0; i < dim; ++i)
- list = isl_basic_set_list_add(list, isl_basic_set_copy(interval));
- isl_basic_set_free(interval);
- cube = isl_basic_set_product(list);
-
- isl_int_clear(m);
- isl_int_clear(M);
-
- return cube;
-}
-
isl_basic_set *plug_in_parameters(isl_basic_set *bset, struct isl_vec *params)
{
int i;
static void check_solution(isl_basic_set *bset, isl_basic_set *context,
isl_set *sol, isl_set *empty, int max)
{
- isl_basic_set *cube;
struct isl_scan_count sc;
struct isl_scan_pip sp;
int i;
int r;
+ context = set_bounds(context);
context = isl_basic_set_underlying_set(context);
- cube = construct_cube(context);
- context = isl_basic_set_intersect(context, cube);
-
sc.callback.add = count_one;
sc.n = 0;