{
struct isl_dim *dim = bmap->dim;
switch (type) {
- case isl_dim_param: return dim->nparam;
- case isl_dim_in: return dim->n_in;
- case isl_dim_out: return dim->n_out;
+ case isl_dim_param:
+ case isl_dim_in:
+ case isl_dim_out: return isl_dim_size(bmap->dim, type);
case isl_dim_div: return bmap->n_div;
case isl_dim_all: return isl_basic_map_total_dim(bmap);
}
return n(map->dim, type);
}
-static unsigned basic_map_offset(struct isl_basic_map *bmap,
+unsigned isl_basic_map_offset(struct isl_basic_map *bmap,
enum isl_dim_type type)
{
struct isl_dim *dim = bmap->dim;
bmap->ineq++;
F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED);
F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED_DIVS);
+ F_CLR(bmap, ISL_BASIC_MAP_ALL_EQUALITIES);
}
int isl_basic_map_alloc_inequality(struct isl_basic_map *bmap)
F_CLR(bmap, ISL_BASIC_MAP_NO_IMPLICIT);
F_CLR(bmap, ISL_BASIC_MAP_NO_REDUNDANT);
F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED);
+ F_CLR(bmap, ISL_BASIC_MAP_ALL_EQUALITIES);
isl_seq_clr(bmap->ineq[bmap->n_ineq] +
1 + isl_basic_map_total_dim(bmap),
bmap->extra - bmap->n_div);
return NULL;
}
-/* Project out n inputs starting at first using Fourier-Motzkin */
-struct isl_map *isl_map_remove_inputs(struct isl_map *map,
- unsigned first, unsigned n)
+struct isl_basic_map *isl_basic_map_remove(struct isl_basic_map *bmap,
+ enum isl_dim_type type, unsigned first, unsigned n)
+{
+ if (!bmap)
+ return NULL;
+ isl_assert(bmap->ctx, first + n <= isl_basic_map_dim(bmap, type),
+ goto error);
+ if (n == 0)
+ return bmap;
+ bmap = isl_basic_map_eliminate_vars(bmap,
+ isl_basic_map_offset(bmap, type) - 1 + first, n);
+ bmap = isl_basic_map_drop(bmap, type, first, n);
+ return bmap;
+error:
+ isl_basic_map_free(bmap);
+ return NULL;
+}
+
+struct isl_map *isl_map_remove(struct isl_map *map,
+ enum isl_dim_type type, unsigned first, unsigned n)
{
int i;
unsigned nparam;
map = isl_map_cow(map);
if (!map)
return NULL;
- nparam = isl_map_n_param(map);
- isl_assert(map->ctx, first+n <= isl_map_n_in(map), goto error);
+ isl_assert(map->ctx, first + n <= isl_map_dim(map, type), goto error);
for (i = 0; i < map->n; ++i) {
map->p[i] = isl_basic_map_eliminate_vars(map->p[i],
- nparam + first, n);
+ isl_basic_map_offset(map->p[i], type) - 1 + first, n);
if (!map->p[i])
goto error;
}
- map = isl_map_drop_inputs(map, first, n);
+ map = isl_map_drop(map, type, first, n);
return map;
error:
isl_map_free(map);
return NULL;
}
+/* Project out n inputs starting at first using Fourier-Motzkin */
+struct isl_map *isl_map_remove_inputs(struct isl_map *map,
+ unsigned first, unsigned n)
+{
+ return isl_map_remove(map, isl_dim_in, first, n);
+}
+
/* Project out n dimensions starting at first using Fourier-Motzkin */
struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
unsigned first, unsigned n)
if (!bmap || !bset)
goto error;
- isl_assert(set->ctx, isl_basic_map_compatible_domain(bmap, bset),
- goto error);
+ isl_assert(bset->ctx, isl_dim_match(bmap->dim, isl_dim_param,
+ bset->dim, isl_dim_param), goto error);
+
+ if (isl_dim_size(bset->dim, isl_dim_set) != 0)
+ isl_assert(bset->ctx,
+ isl_basic_map_compatible_domain(bmap, bset), goto error);
bmap = isl_basic_map_extend_dim(bmap, isl_dim_copy(bmap->dim),
bset->n_div, bset->n_eq, bset->n_ineq);
if (!bmap || !bset)
goto error;
- isl_assert(bset->ctx, isl_basic_map_compatible_range(bmap, bset),
- goto error);
+ isl_assert(bset->ctx, isl_dim_match(bmap->dim, isl_dim_param,
+ bset->dim, isl_dim_param), goto error);
+
+ if (isl_dim_size(bset->dim, isl_dim_set) != 0)
+ isl_assert(bset->ctx,
+ isl_basic_map_compatible_range(bmap, bset), goto error);
bmap = isl_basic_map_extend_dim(bmap, isl_dim_copy(bmap->dim),
bset->n_div, bset->n_eq, bset->n_ineq);
if (!bmap1 || !bmap2)
goto error;
- isl_assert(map1->ctx, isl_dim_equal(bmap1->dim, bmap2->dim), goto error);
+ isl_assert(bmap1->ctx, isl_dim_match(bmap1->dim, isl_dim_param,
+ bmap2->dim, isl_dim_param), goto error);
+ if (isl_dim_total(bmap1->dim) ==
+ isl_dim_size(bmap1->dim, isl_dim_param) &&
+ isl_dim_total(bmap2->dim) !=
+ isl_dim_size(bmap2->dim, isl_dim_param))
+ return isl_basic_map_intersect(bmap2, bmap1);
+
+ if (isl_dim_total(bmap2->dim) !=
+ isl_dim_size(bmap2->dim, isl_dim_param))
+ isl_assert(bmap1->ctx,
+ isl_dim_equal(bmap1->dim, bmap2->dim), goto error);
bmap1 = isl_basic_map_extend_dim(bmap1, isl_dim_copy(bmap1->dim),
bmap2->n_div, bmap2->n_eq, bmap2->n_ineq);
if (!map1 || !map2)
goto error;
+ isl_assert(map1->ctx, isl_dim_match(map1->dim, isl_dim_param,
+ map2->dim, isl_dim_param), goto error);
+ if (isl_dim_total(map1->dim) ==
+ isl_dim_size(map1->dim, isl_dim_param) &&
+ isl_dim_total(map2->dim) != isl_dim_size(map2->dim, isl_dim_param))
+ return isl_map_intersect(map2, map1);
+
+ if (isl_dim_total(map2->dim) != isl_dim_size(map2->dim, isl_dim_param))
+ isl_assert(map1->ctx,
+ isl_dim_equal(map1->dim, map2->dim), goto error);
+
if (F_ISSET(map1, ISL_MAP_DISJOINT) &&
F_ISSET(map2, ISL_MAP_DISJOINT))
FL_SET(flags, ISL_MAP_DISJOINT);
return NULL;
n = isl_basic_map_dim(bmap, isl_dim_out);
- off = basic_map_offset(bmap, isl_dim_out);
+ off = isl_basic_map_offset(bmap, isl_dim_out);
for (i = 0; i < bmap->n_eq; ++i)
for (j = 0; j < n; ++j)
isl_int_neg(bmap->eq[i][off+j], bmap->eq[i][off+j]);
return isl_basic_map_finalize(bmap);
}
-static struct isl_basic_map *var_equal(struct isl_ctx *ctx,
- struct isl_basic_map *bmap, unsigned pos)
+/* Given a basic map A -> f(A) and an integer d, construct a basic map
+ * A -> floor(f(A)/d).
+ */
+struct isl_basic_map *isl_basic_map_floordiv(struct isl_basic_map *bmap,
+ isl_int d)
+{
+ unsigned n_in, n_out, nparam, total, pos;
+ struct isl_basic_map *result = NULL;
+ struct isl_dim_map *dim_map;
+ int i;
+
+ if (!bmap)
+ return NULL;
+
+ nparam = isl_basic_map_n_param(bmap);
+ n_in = isl_basic_map_n_in(bmap);
+ n_out = isl_basic_map_n_out(bmap);
+
+ total = nparam + n_in + n_out + bmap->n_div + n_out;
+ dim_map = isl_dim_map_alloc(bmap->ctx, total);
+ isl_dim_map_dim(dim_map, bmap->dim, isl_dim_param, pos = 0);
+ isl_dim_map_dim(dim_map, bmap->dim, isl_dim_in, pos += nparam);
+ isl_dim_map_div(dim_map, bmap, pos += n_in + n_out);
+ isl_dim_map_dim(dim_map, bmap->dim, isl_dim_out, pos += bmap->n_div);
+
+ result = isl_basic_map_alloc_dim(isl_dim_copy(bmap->dim),
+ bmap->n_div + n_out,
+ bmap->n_eq, bmap->n_ineq + 2 * n_out);
+ result = add_constraints_dim_map(result, bmap, dim_map);
+ result = add_divs(result, n_out);
+ for (i = 0; i < n_out; ++i) {
+ int j;
+ j = isl_basic_map_alloc_inequality(result);
+ if (j < 0)
+ goto error;
+ isl_seq_clr(result->ineq[j], 1+total);
+ isl_int_neg(result->ineq[j][1+nparam+n_in+i], d);
+ isl_int_set_si(result->ineq[j][1+pos+i], 1);
+ j = isl_basic_map_alloc_inequality(result);
+ if (j < 0)
+ goto error;
+ isl_seq_clr(result->ineq[j], 1+total);
+ isl_int_set(result->ineq[j][1+nparam+n_in+i], d);
+ isl_int_set_si(result->ineq[j][1+pos+i], -1);
+ isl_int_sub_ui(result->ineq[j][0], d, 1);
+ }
+
+ result = isl_basic_map_simplify(result);
+ return isl_basic_map_finalize(result);
+error:
+ isl_basic_map_free(result);
+ return NULL;
+}
+
+static struct isl_basic_map *var_equal(struct isl_basic_map *bmap, unsigned pos)
{
int i;
unsigned nparam;
return NULL;
}
-static struct isl_basic_map *var_more(struct isl_ctx *ctx,
- struct isl_basic_map *bmap, unsigned pos)
+static struct isl_basic_map *var_more(struct isl_basic_map *bmap, unsigned pos)
{
int i;
unsigned nparam;
return NULL;
}
-static struct isl_basic_map *var_less(struct isl_ctx *ctx,
- struct isl_basic_map *bmap, unsigned pos)
+static struct isl_basic_map *var_less(struct isl_basic_map *bmap, unsigned pos)
{
int i;
unsigned nparam;
return NULL;
}
-struct isl_basic_map *isl_basic_map_equal(struct isl_ctx *ctx,
- unsigned nparam, unsigned in, unsigned out, unsigned n_equal)
+struct isl_basic_map *isl_basic_map_equal(struct isl_dim *dim, unsigned n_equal)
{
int i;
struct isl_basic_map *bmap;
- bmap = isl_basic_map_alloc(ctx, nparam, in, out, 0, n_equal, 0);
+ bmap = isl_basic_map_alloc_dim(dim, 0, n_equal, 0);
if (!bmap)
return NULL;
for (i = 0; i < n_equal && bmap; ++i)
- bmap = var_equal(ctx, bmap, i);
+ bmap = var_equal(bmap, i);
return isl_basic_map_finalize(bmap);
}
-struct isl_basic_map *isl_basic_map_less_at(struct isl_ctx *ctx,
- unsigned nparam, unsigned in, unsigned out, unsigned pos)
+struct isl_basic_map *isl_basic_map_less_at(struct isl_dim *dim, unsigned pos)
{
int i;
struct isl_basic_map *bmap;
- bmap = isl_basic_map_alloc(ctx, nparam, in, out, 0, pos, 1);
+ bmap = isl_basic_map_alloc_dim(dim, 0, pos, 1);
if (!bmap)
return NULL;
for (i = 0; i < pos && bmap; ++i)
- bmap = var_equal(ctx, bmap, i);
+ bmap = var_equal(bmap, i);
if (bmap)
- bmap = var_less(ctx, bmap, pos);
+ bmap = var_less(bmap, pos);
return isl_basic_map_finalize(bmap);
}
-struct isl_basic_map *isl_basic_map_more_at(struct isl_ctx *ctx,
- unsigned nparam, unsigned in, unsigned out, unsigned pos)
+struct isl_basic_map *isl_basic_map_more_at(struct isl_dim *dim, unsigned pos)
{
int i;
struct isl_basic_map *bmap;
- bmap = isl_basic_map_alloc(ctx, nparam, in, out, 0, pos, 1);
+ bmap = isl_basic_map_alloc_dim(dim, 0, pos, 1);
if (!bmap)
return NULL;
for (i = 0; i < pos && bmap; ++i)
- bmap = var_equal(ctx, bmap, i);
+ bmap = var_equal(bmap, i);
if (bmap)
- bmap = var_more(ctx, bmap, pos);
+ bmap = var_more(bmap, pos);
return isl_basic_map_finalize(bmap);
}
}
bmap = isl_basic_map_extend_constraints(bmap,
0, 2 * like->n_div);
- for (i = 0; i < like->n_div; ++i)
+ for (i = 0; i < like->n_div; ++i) {
+ if (isl_int_is_zero(bmap->div[i][0]))
+ continue;
if (add_div_constraints(bmap, i) < 0)
goto error;
+ }
}
isl_basic_map_free(like);
bmap = isl_basic_map_simplify(bmap);
return NULL;
}
+struct isl_map *isl_map_from_range(struct isl_set *set)
+{
+ return (struct isl_map *)set;
+}
+
struct isl_set *isl_set_from_map(struct isl_map *map)
{
int i;
return isl_basic_set_alloc_dim(isl_dim_copy(model->dim), 0, 0, 0);
}
-struct isl_map *isl_map_empty(struct isl_ctx *ctx,
- unsigned nparam, unsigned in, unsigned out)
+struct isl_map *isl_map_empty(struct isl_dim *dim)
{
- return isl_map_alloc(ctx, nparam, in, out, 0, ISL_MAP_DISJOINT);
+ return isl_map_alloc_dim(dim, 0, ISL_MAP_DISJOINT);
+}
+
+struct isl_map *isl_map_empty_like(struct isl_map *model)
+{
+ if (!model)
+ return NULL;
+ return isl_map_alloc_dim(isl_dim_copy(model->dim), 0, ISL_MAP_DISJOINT);
}
struct isl_map *isl_map_empty_like_basic_map(struct isl_basic_map *model)
if (!bmap)
return NULL;
isl_assert(bmap->ctx, pos < isl_basic_map_dim(bmap, type), goto error);
- return isl_basic_map_fix_pos(bmap, basic_map_offset(bmap, type) + pos,
+ return isl_basic_map_fix_pos(bmap, isl_basic_map_offset(bmap, type) + pos,
value);
error:
isl_basic_map_free(bmap);
return NULL;
}
+struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
+ enum isl_dim_type type, unsigned pos, int value)
+{
+ return (struct isl_basic_set *)
+ isl_basic_map_fix_si((struct isl_basic_map *)bset,
+ type, pos, value);
+}
+
struct isl_basic_map *isl_basic_map_fix_input_si(struct isl_basic_map *bmap,
unsigned input, int value)
{
return 1;
}
+int isl_map_fast_is_empty(struct isl_map *map)
+{
+ return map->n == 0;
+}
+
int isl_set_is_empty(struct isl_set *set)
{
return isl_map_is_empty((struct isl_map *)set);
isl_map_remove_empty_parts((struct isl_map *)set);
}
-struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set)
+struct isl_basic_map *isl_map_copy_basic_map(struct isl_map *map)
{
- struct isl_basic_set *bset;
- if (!set || set->n == 0)
+ struct isl_basic_map *bmap;
+ if (!map || map->n == 0)
return NULL;
- bset = set->p[set->n-1];
- isl_assert(set->ctx, F_ISSET(bset, ISL_BASIC_SET_FINAL), return NULL);
- return isl_basic_set_copy(bset);
+ bmap = map->p[map->n-1];
+ isl_assert(map->ctx, F_ISSET(bmap, ISL_BASIC_SET_FINAL), return NULL);
+ return isl_basic_map_copy(bmap);
}
-struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
- struct isl_basic_set *bset)
+struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set)
+{
+ (struct isl_basic_set *)isl_map_copy_basic_map((struct isl_map *)set);
+}
+
+struct isl_map *isl_map_drop_basic_map(struct isl_map *map,
+ struct isl_basic_map *bmap)
{
int i;
- if (!set || !bset)
+ if (!map || !bmap)
goto error;
- for (i = set->n-1; i >= 0; --i) {
- if (set->p[i] != bset)
+ for (i = map->n-1; i >= 0; --i) {
+ if (map->p[i] != bmap)
continue;
- set = isl_set_cow(set);
- if (!set)
+ map = isl_map_cow(map);
+ if (!map)
goto error;
- isl_basic_set_free(set->p[i]);
- if (i != set->n-1) {
- F_CLR(set, ISL_SET_NORMALIZED);
- set->p[i] = set->p[set->n-1];
+ isl_basic_map_free(map->p[i]);
+ if (i != map->n-1) {
+ F_CLR(map, ISL_SET_NORMALIZED);
+ map->p[i] = map->p[map->n-1];
}
- set->n--;
- return set;
+ map->n--;
+ return map;
}
- isl_basic_set_free(bset);
- return set;
+ isl_basic_map_free(bmap);
+ return map;
error:
- isl_set_free(set);
- isl_basic_set_free(bset);
+ isl_map_free(map);
+ isl_basic_map_free(bmap);
return NULL;
}
+struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
+ struct isl_basic_set *bset)
+{
+ (struct isl_set *)isl_map_drop_basic_map((struct isl_map *)set,
+ (struct isl_basic_map *)bset);
+}
+
/* Given two _disjoint_ basic sets bset1 and bset2, check whether
* for any common value of the parameters and dimensions preceding dim
* in both basic sets, the values of dimension pos in bset1 are
return isl_map_fast_has_fixed_var((struct isl_map *)set, pos, val);
}
+int isl_basic_map_fast_is_fixed(struct isl_basic_map *bmap,
+ enum isl_dim_type type, unsigned pos, isl_int *val)
+{
+ if (pos >= isl_basic_map_dim(bmap, type))
+ return -1;
+ return isl_basic_map_fast_has_fixed_var(bmap,
+ isl_basic_map_offset(bmap, type) - 1 + pos, val);
+}
+
/* Check if dimension dim has fixed value and if so and if val is not NULL,
* then return this fixed value in *val.
*/
return NULL;
}
+struct isl_basic_map *isl_basic_map_product(
+ struct isl_basic_map *bmap1, struct isl_basic_map *bmap2)
+{
+ struct isl_dim *dim_result = NULL;
+ struct isl_basic_map *bmap;
+ unsigned in1, in2, out1, out2, nparam, total, pos;
+ struct isl_dim_map *dim_map1, *dim_map2;
+
+ if (!bmap1 || !bmap2)
+ goto error;
+
+ isl_assert(map1->ctx, isl_dim_match(bmap1->dim, isl_dim_param,
+ bmap2->dim, isl_dim_param), goto error);
+ dim_result = isl_dim_product(isl_dim_copy(bmap1->dim),
+ isl_dim_copy(bmap2->dim));
+
+ in1 = isl_basic_map_n_in(bmap1);
+ in2 = isl_basic_map_n_in(bmap2);
+ out1 = isl_basic_map_n_out(bmap1);
+ out2 = isl_basic_map_n_out(bmap2);
+ nparam = isl_basic_map_n_param(bmap1);
+
+ total = nparam + in1 + in2 + out1 + out2 + bmap1->n_div + bmap2->n_div;
+ dim_map1 = isl_dim_map_alloc(bmap1->ctx, total);
+ dim_map2 = isl_dim_map_alloc(bmap1->ctx, total);
+ isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_param, pos = 0);
+ isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_param, pos = 0);
+ isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_in, pos += nparam);
+ isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_in, pos += in1);
+ isl_dim_map_dim(dim_map1, bmap1->dim, isl_dim_out, pos += in2);
+ isl_dim_map_dim(dim_map2, bmap2->dim, isl_dim_out, pos += out1);
+ isl_dim_map_div(dim_map1, bmap1, pos += out2);
+ isl_dim_map_div(dim_map2, bmap2, pos += bmap1->n_div);
+
+ bmap = isl_basic_map_alloc_dim(dim_result,
+ bmap1->n_div + bmap2->n_div,
+ bmap1->n_eq + bmap2->n_eq,
+ bmap1->n_ineq + bmap2->n_ineq);
+ bmap = add_constraints_dim_map(bmap, bmap1, dim_map1);
+ bmap = add_constraints_dim_map(bmap, bmap2, dim_map2);
+ bmap = isl_basic_map_simplify(bmap);
+ return isl_basic_map_finalize(bmap);
+error:
+ isl_basic_map_free(bmap1);
+ isl_basic_map_free(bmap2);
+ return NULL;
+}
+
+/* Given two maps A -> B and C -> D, construct a map (A, C) -> (B, D)
+ */
+struct isl_map *isl_map_product(struct isl_map *map1, struct isl_map *map2)
+{
+ unsigned flags = 0;
+ struct isl_map *result;
+ int i, j;
+
+ if (!map1 || !map2)
+ goto error;
+
+ isl_assert(map1->ctx, isl_dim_match(map1->dim, isl_dim_param,
+ map2->dim, isl_dim_param), goto error);
+
+ if (F_ISSET(map1, ISL_MAP_DISJOINT) &&
+ F_ISSET(map2, ISL_MAP_DISJOINT))
+ FL_SET(flags, ISL_MAP_DISJOINT);
+
+ result = isl_map_alloc_dim(isl_dim_product(isl_dim_copy(map1->dim),
+ isl_dim_copy(map2->dim)),
+ map1->n * map2->n, flags);
+ if (!result)
+ goto error;
+ for (i = 0; i < map1->n; ++i)
+ for (j = 0; j < map2->n; ++j) {
+ struct isl_basic_map *part;
+ part = isl_basic_map_product(
+ isl_basic_map_copy(map1->p[i]),
+ isl_basic_map_copy(map2->p[j]));
+ if (isl_basic_map_is_empty(part))
+ isl_basic_map_free(part);
+ else
+ result = isl_map_add(result, part);
+ if (!result)
+ goto error;
+ }
+ isl_map_free(map1);
+ isl_map_free(map2);
+ return result;
+error:
+ isl_map_free(map1);
+ isl_map_free(map2);
+ return NULL;
+}
+
uint32_t isl_basic_set_get_hash(struct isl_basic_set *bset)
{
int i;
projects / platform / upstream / isl.git / blobdiff