return isl_pw_multi_aff_union_add_(pma1, pma2);
}
-/* Construct a map mapping the domain the piecewise multi-affine expression
+/* Construct a map mapping the domain of the piecewise multi-affine expression
* to its range, with each dimension in the range equated to the
* corresponding affine expression on its cell.
*/
return pa;
}
+
+/* Return an isl_pw_multi_aff with the given "set" as domain and
+ * an unnamed zero-dimensional range.
+ */
+__isl_give isl_pw_multi_aff *isl_pw_multi_aff_from_domain(
+ __isl_take isl_set *set)
+{
+ isl_multi_aff *ma;
+ isl_space *space;
+
+ space = isl_set_get_space(set);
+ space = isl_space_from_domain(space);
+ ma = isl_multi_aff_zero(space);
+ return isl_pw_multi_aff_alloc(set, ma);
+}
+
+/* Add an isl_pw_multi_aff with the given "set" as domain and
+ * an unnamed zero-dimensional range to *user.
+ */
+static int add_pw_multi_aff_from_domain(__isl_take isl_set *set, void *user)
+{
+ isl_union_pw_multi_aff **upma = user;
+ isl_pw_multi_aff *pma;
+
+ pma = isl_pw_multi_aff_from_domain(set);
+ *upma = isl_union_pw_multi_aff_add_pw_multi_aff(*upma, pma);
+
+ return 0;
+}
+
+/* Return an isl_union_pw_multi_aff with the given "uset" as domain and
+ * an unnamed zero-dimensional range.
+ */
+__isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_from_domain(
+ __isl_take isl_union_set *uset)
+{
+ isl_space *space;
+ isl_union_pw_multi_aff *upma;
+
+ if (!uset)
+ return NULL;
+
+ space = isl_union_set_get_space(uset);
+ upma = isl_union_pw_multi_aff_empty(space);
+
+ if (isl_union_set_foreach_set(uset,
+ &add_pw_multi_aff_from_domain, &upma) < 0)
+ goto error;
+
+ isl_union_set_free(uset);
+ return upma;
+error:
+ isl_union_set_free(uset);
+ isl_union_pw_multi_aff_free(upma);
+ return NULL;
+}
+
+/* Convert "pma" to an isl_map and add it to *umap.
+ */
+static int map_from_pw_multi_aff(__isl_take isl_pw_multi_aff *pma, void *user)
+{
+ isl_union_map **umap = user;
+ isl_map *map;
+
+ map = isl_map_from_pw_multi_aff(pma);
+ *umap = isl_union_map_add_map(*umap, map);
+
+ return 0;
+}
+
+/* Construct a union map mapping the domain of the union
+ * piecewise multi-affine expression to its range, with each dimension
+ * in the range equated to the corresponding affine expression on its cell.
+ */
+__isl_give isl_union_map *isl_union_map_from_union_pw_multi_aff(
+ __isl_take isl_union_pw_multi_aff *upma)
+{
+ isl_space *space;
+ isl_union_map *umap;
+
+ if (!upma)
+ return NULL;
+
+ space = isl_union_pw_multi_aff_get_space(upma);
+ umap = isl_union_map_empty(space);
+
+ if (isl_union_pw_multi_aff_foreach_pw_multi_aff(upma,
+ &map_from_pw_multi_aff, &umap) < 0)
+ goto error;
+
+ isl_union_pw_multi_aff_free(upma);
+ return umap;
+error:
+ isl_union_pw_multi_aff_free(upma);
+ isl_union_map_free(umap);
+ return NULL;
+}
+
+/* Local data for bin_entry and the callback "fn".
+ */
+struct isl_union_pw_multi_aff_bin_data {
+ isl_union_pw_multi_aff *upma2;
+ isl_union_pw_multi_aff *res;
+ isl_pw_multi_aff *pma;
+ int (*fn)(void **entry, void *user);
+};
+
+/* Given an isl_pw_multi_aff from upma1, store it in data->pma
+ * and call data->fn for each isl_pw_multi_aff in data->upma2.
+ */
+static int bin_entry(void **entry, void *user)
+{
+ struct isl_union_pw_multi_aff_bin_data *data = user;
+ isl_pw_multi_aff *pma = *entry;
+
+ data->pma = pma;
+ if (isl_hash_table_foreach(data->upma2->dim->ctx, &data->upma2->table,
+ data->fn, data) < 0)
+ return -1;
+
+ return 0;
+}
+
+/* Call "fn" on each pair of isl_pw_multi_affs in "upma1" and "upma2".
+ * The isl_pw_multi_aff from upma1 is stored in data->pma (where data is
+ * passed as user field) and the isl_pw_multi_aff from upma2 is available
+ * as *entry. The callback should adjust data->res if desired.
+ */
+static __isl_give isl_union_pw_multi_aff *bin_op(
+ __isl_take isl_union_pw_multi_aff *upma1,
+ __isl_take isl_union_pw_multi_aff *upma2,
+ int (*fn)(void **entry, void *user))
+{
+ isl_space *space;
+ struct isl_union_pw_multi_aff_bin_data data = { NULL, NULL, NULL, fn };
+
+ space = isl_union_pw_multi_aff_get_space(upma2);
+ upma1 = isl_union_pw_multi_aff_align_params(upma1, space);
+ space = isl_union_pw_multi_aff_get_space(upma1);
+ upma2 = isl_union_pw_multi_aff_align_params(upma2, space);
+
+ if (!upma1 || !upma2)
+ goto error;
+
+ data.upma2 = upma2;
+ data.res = isl_union_pw_multi_aff_alloc(isl_space_copy(upma1->dim),
+ upma1->table.n);
+ if (isl_hash_table_foreach(upma1->dim->ctx, &upma1->table,
+ &bin_entry, &data) < 0)
+ goto error;
+
+ isl_union_pw_multi_aff_free(upma1);
+ isl_union_pw_multi_aff_free(upma2);
+ return data.res;
+error:
+ isl_union_pw_multi_aff_free(upma1);
+ isl_union_pw_multi_aff_free(upma2);
+ isl_union_pw_multi_aff_free(data.res);
+ return NULL;
+}
+
+/* Given two isl_multi_affs A -> B and C -> D,
+ * construct an isl_multi_aff (A * C) -> (B, D).
+ */
+__isl_give isl_multi_aff *isl_multi_aff_flat_range_product(
+ __isl_take isl_multi_aff *ma1, __isl_take isl_multi_aff *ma2)
+{
+ int i, n1, n2;
+ isl_aff *aff;
+ isl_space *space;
+ isl_multi_aff *res;
+
+ if (!ma1 || !ma2)
+ goto error;
+
+ space = isl_space_range_product(isl_multi_aff_get_space(ma1),
+ isl_multi_aff_get_space(ma2));
+ space = isl_space_flatten_range(space);
+ res = isl_multi_aff_alloc(space);
+
+ n1 = isl_multi_aff_dim(ma1, isl_dim_out);
+ n2 = isl_multi_aff_dim(ma2, isl_dim_out);
+
+ for (i = 0; i < n1; ++i) {
+ aff = isl_multi_aff_get_aff(ma1, i);
+ res = isl_multi_aff_set_aff(res, i, aff);
+ }
+
+ for (i = 0; i < n2; ++i) {
+ aff = isl_multi_aff_get_aff(ma2, i);
+ res = isl_multi_aff_set_aff(res, n1 + i, aff);
+ }
+
+ isl_multi_aff_free(ma1);
+ isl_multi_aff_free(ma2);
+ return res;
+error:
+ isl_multi_aff_free(ma1);
+ isl_multi_aff_free(ma2);
+ return NULL;
+}
+
+/* Given two aligned isl_pw_multi_affs A -> B and C -> D,
+ * construct an isl_pw_multi_aff (A * C) -> (B, D).
+ */
+static __isl_give isl_pw_multi_aff *pw_multi_aff_flat_range_product(
+ __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2)
+{
+ isl_space *space;
+
+ space = isl_space_range_product(isl_pw_multi_aff_get_space(pma1),
+ isl_pw_multi_aff_get_space(pma2));
+ space = isl_space_flatten_range(space);
+ return isl_pw_multi_aff_on_shared_domain_in(pma1, pma2, space,
+ &isl_multi_aff_flat_range_product);
+}
+
+/* Given two isl_pw_multi_affs A -> B and C -> D,
+ * construct an isl_pw_multi_aff (A * C) -> (B, D).
+ */
+__isl_give isl_pw_multi_aff *isl_pw_multi_aff_flat_range_product(
+ __isl_take isl_pw_multi_aff *pma1, __isl_take isl_pw_multi_aff *pma2)
+{
+ return isl_pw_multi_aff_align_params_pw_pw_and(pma1, pma2,
+ &pw_multi_aff_flat_range_product);
+}
+
+/* If data->pma and *entry have the same domain space, then compute
+ * their flat range product and the result to data->res.
+ */
+static int flat_range_product_entry(void **entry, void *user)
+{
+ struct isl_union_pw_multi_aff_bin_data *data = user;
+ isl_pw_multi_aff *pma2 = *entry;
+
+ if (!isl_space_tuple_match(data->pma->dim, isl_dim_in,
+ pma2->dim, isl_dim_in))
+ return 0;
+
+ pma2 = isl_pw_multi_aff_flat_range_product(
+ isl_pw_multi_aff_copy(data->pma),
+ isl_pw_multi_aff_copy(pma2));
+
+ data->res = isl_union_pw_multi_aff_add_pw_multi_aff(data->res, pma2);
+
+ return 0;
+}
+
+/* Given two isl_union_pw_multi_affs A -> B and C -> D,
+ * construct an isl_union_pw_multi_aff (A * C) -> (B, D).
+ */
+__isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_flat_range_product(
+ __isl_take isl_union_pw_multi_aff *upma1,
+ __isl_take isl_union_pw_multi_aff *upma2)
+{
+ return bin_op(upma1, upma2, &flat_range_product_entry);
+}
projects / platform / upstream / isl.git / blobdiff