}
}
+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)
{
struct isl_constraint *isl_constraint_next(struct isl_constraint *c)
{
c = isl_constraint_cow(c);
- c->line++;
- if (c->line >= c->bmap->eq + c->bmap->n_eq && c->line < c->bmap->ineq)
+ if (c->line >= c->bmap->eq) {
+ c->line++;
+ if (c->line < c->bmap->eq + c->bmap->n_eq)
+ return c;
c->line = c->bmap->ineq;
+ } else
+ c->line++;
if (c->line < c->bmap->ineq + c->bmap->n_ineq)
return c;
isl_constraint_free(c);
constraint1->line == constraint2->line;
}
+struct isl_basic_map *isl_basic_map_add_constraint(
+ struct isl_basic_map *bmap, struct isl_constraint *constraint)
+{
+ if (!bmap || !constraint)
+ goto error;
+
+ isl_assert(constraint->ctx,
+ isl_dim_equal(bmap->dim, constraint->bmap->dim), goto error);
+
+ bmap = isl_basic_map_intersect(bmap,
+ isl_basic_map_copy(constraint->bmap));
+ isl_constraint_free(constraint);
+ return bmap;
+error:
+ isl_basic_map_free(bmap);
+ isl_constraint_free(constraint);
+ return NULL;
+}
+
struct isl_basic_set *isl_basic_set_add_constraint(
struct isl_basic_set *bset, struct isl_constraint *constraint)
{
- if (!bset || !constraint)
+ return (struct isl_basic_set *)
+ isl_basic_map_add_constraint((struct isl_basic_map *)bset,
+ constraint);
+}
+
+struct isl_constraint *isl_constraint_add_div(struct isl_constraint *constraint,
+ struct isl_div *div, int *pos)
+{
+ if (!constraint || !div)
goto error;
isl_assert(constraint->ctx,
- isl_dim_equal(bset->dim, constraint->bmap->dim), goto error);
+ isl_dim_equal(div->bmap->dim, constraint->bmap->dim), goto error);
+ isl_assert(constraint->ctx,
+ constraint->bmap->n_eq + constraint->bmap->n_ineq == 1, goto error);
- bset = isl_basic_set_intersect(bset,
- isl_basic_set_copy((struct isl_basic_set *)constraint->bmap));
- isl_constraint_free(constraint);
- return bset;
+ constraint->bmap = isl_basic_map_cow(constraint->bmap);
+ constraint->bmap = isl_basic_map_extend_dim(constraint->bmap,
+ isl_dim_copy(constraint->bmap->dim), 1, 0, 0);
+ if (!constraint->bmap)
+ goto error;
+ constraint->line = &constraint->bmap->eq[0];
+ *pos = isl_basic_map_alloc_div(constraint->bmap);
+ if (*pos < 0)
+ goto error;
+ isl_seq_cpy(constraint->bmap->div[*pos], div->line[0],
+ 1 + 1 + isl_basic_map_total_dim(constraint->bmap));
+ isl_div_free(div);
+ return constraint;
error:
- isl_basic_set_free(bset);
isl_constraint_free(constraint);
+ isl_div_free(div);
return NULL;
}
isl_assert(constraint->ctx, pos < n(constraint, isl_dim_div),
return NULL);
- return isl_basic_map_div(constraint->bmap, constraint->bmap->div+pos);
+ return isl_basic_map_div(isl_basic_map_copy(constraint->bmap), pos);
}
void isl_constraint_set_constant(struct isl_constraint *constraint, isl_int v)
total = isl_basic_map_total_dim(constraint->bmap);
isl_seq_neg(constraint->line[0], constraint->line[0], 1 + total);
isl_int_sub_ui(constraint->line[0][0], constraint->line[0][0], 1);
- F_CLR(constraint->bmap, ISL_BASIC_MAP_NORMALIZED);
+ ISL_F_CLR(constraint->bmap, ISL_BASIC_MAP_NORMALIZED);
return constraint;
error:
isl_constraint_free(constraint);
{
if (!constraint)
return -1;
- return constraint->line < constraint->bmap->eq + constraint->bmap->n_eq;
+ return constraint->line >= constraint->bmap->eq;
}
bset = isl_basic_set_align_divs(bset, constraint_bset);
nparam = isl_basic_set_n_param(bset);
dim = isl_basic_set_n_dim(bset);
+ bset = isl_basic_set_cow(bset);
bset = isl_basic_set_extend(bset, nparam, dim, 0, 1, 1);
if (isl_constraint_is_equality(constraint)) {
k = isl_basic_set_alloc_equality(bset);
}
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) {
+ for (j = i + 1; 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 {
projects / platform / upstream / isl.git / blobdiff