struct isl_basic_set *bset, struct isl_constraint *constraint);
int isl_basic_set_has_defining_equality(
- struct isl_basic_set *bset, int pos,
+ struct isl_basic_set *bset, enum isl_dim_type type, int pos,
struct isl_constraint **constraint);
int isl_basic_set_has_defining_inequalities(
- struct isl_basic_set *bset, int pos,
+ struct isl_basic_set *bset, enum isl_dim_type type, int pos,
struct isl_constraint **lower,
struct isl_constraint **upper);
}
}
+static unsigned basic_set_offset(struct isl_basic_set *bset,
+ enum isl_dim_type type)
+{
+ struct isl_dim *dim = bset->dim;
+ switch (type) {
+ case isl_dim_param: return 1;
+ case isl_dim_in: return 1 + dim->nparam;
+ case isl_dim_out: return 1 + dim->nparam + dim->n_in;
+ case isl_dim_div: return 1 + dim->nparam + dim->n_in + dim->n_out;
+ }
+}
+
struct isl_constraint *isl_basic_map_constraint(struct isl_basic_map *bmap,
isl_int **line)
{
}
int isl_basic_set_has_defining_equality(
- struct isl_basic_set *bset, int pos,
+ struct isl_basic_set *bset, enum isl_dim_type type, int pos,
struct isl_constraint **c)
{
int i;
- unsigned dim, nparam;
+ unsigned offset;
+ unsigned total;
if (!bset)
return -1;
- nparam = isl_basic_set_n_param(bset);
- dim = isl_basic_set_n_dim(bset);
- isl_assert(bset->ctx, pos < dim, return -1);
+ offset = basic_set_offset(bset, type);
+ total = isl_basic_set_total_dim(bset);
+ isl_assert(bset->ctx, pos < isl_basic_set_dim(bset, type), return -1);
for (i = 0; i < bset->n_eq; ++i)
- if (!isl_int_is_zero(bset->eq[i][1 + nparam + pos]) &&
- isl_seq_first_non_zero(bset->eq[i]+1+nparam+pos+1,
- dim-pos-1) == -1) {
+ if (!isl_int_is_zero(bset->eq[i][offset + pos]) &&
+ isl_seq_first_non_zero(bset->eq[i]+offset+pos+1,
+ 1+total-offset-pos-1) == -1) {
*c= isl_basic_set_constraint(isl_basic_set_copy(bset),
&bset->eq[i]);
return 1;
}
int isl_basic_set_has_defining_inequalities(
- struct isl_basic_set *bset, int pos,
+ struct isl_basic_set *bset, enum isl_dim_type type, int pos,
struct isl_constraint **lower,
struct isl_constraint **upper)
{
int i, j;
- unsigned dim;
- unsigned nparam;
+ unsigned offset;
unsigned total;
isl_int m;
isl_int **lower_line, **upper_line;
if (!bset)
return -1;
- nparam = isl_basic_set_n_param(bset);
- dim = isl_basic_set_n_dim(bset);
+ offset = basic_set_offset(bset, type);
total = isl_basic_set_total_dim(bset);
- isl_assert(bset->ctx, pos < dim, return -1);
+ isl_assert(bset->ctx, pos < isl_basic_set_dim(bset, type), return -1);
isl_int_init(m);
for (i = 0; i < bset->n_ineq; ++i) {
- if (isl_int_is_zero(bset->ineq[i][1 + nparam + pos]))
+ if (isl_int_is_zero(bset->ineq[i][offset + pos]))
continue;
- if (isl_int_is_one(bset->ineq[i][1 + nparam + pos]))
+ if (isl_int_is_one(bset->ineq[i][offset + pos]))
continue;
- if (isl_int_is_negone(bset->ineq[i][1 + nparam + pos]))
+ if (isl_int_is_negone(bset->ineq[i][offset + pos]))
continue;
- if (isl_seq_first_non_zero(bset->ineq[i]+1+nparam+pos+1,
- dim-pos-1) != -1)
+ if (isl_seq_first_non_zero(bset->ineq[i]+offset+pos+1,
+ 1+total-offset-pos-1) != -1)
continue;
for (j = i + i; j < bset->n_ineq; ++j) {
if (!isl_seq_is_neg(bset->ineq[i]+1, bset->ineq[j]+1,
total))
continue;
isl_int_add(m, bset->ineq[i][0], bset->ineq[j][0]);
- if (isl_int_abs_ge(m, bset->ineq[i][1+nparam+pos]))
+ if (isl_int_abs_ge(m, bset->ineq[i][offset+pos]))
continue;
- if (isl_int_is_pos(bset->ineq[i][1+nparam+pos])) {
+ if (isl_int_is_pos(bset->ineq[i][offset+pos])) {
lower_line = &bset->ineq[i];
upper_line = &bset->ineq[j];
} else {