/*
* Copyright 2010 INRIA Saclay
*
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
* Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
}
#ifdef HAS_TYPE
-__isl_give UNION *FN(UNION,zero)(__isl_take isl_space *dim, enum isl_fold type)
+__isl_give UNION *FN(UNION,ZERO)(__isl_take isl_space *dim, enum isl_fold type)
{
return FN(UNION,alloc)(dim, type, 16);
}
#else
-__isl_give UNION *FN(UNION,zero)(__isl_take isl_space *dim)
+__isl_give UNION *FN(UNION,ZERO)(__isl_take isl_space *dim)
{
return FN(UNION,alloc)(dim, 16);
}
&has_dim, dim, 0);
if (!entry)
#ifdef HAS_TYPE
- return FN(PART,zero)(dim, u->type);
+ return FN(PART,ZERO)(dim, u->type);
#else
- return FN(PART,zero)(dim);
+ return FN(PART,ZERO)(dim);
#endif
isl_space_free(dim);
return FN(PART,copy)(entry->data);
if (!part)
goto error;
- if (FN(PART,is_zero)(part)) {
+ if (DEFAULT_IS_ZERO && FN(PART,IS_ZERO)(part)) {
FN(PART,free)(part);
return u;
}
if (!entry->data)
goto error;
FN(PART,free)(part);
- if (FN(PART,is_zero)(entry->data)) {
+ if (DEFAULT_IS_ZERO && FN(PART,IS_ZERO)(entry->data)) {
FN(PART,free)(entry->data);
isl_hash_table_remove(u->dim->ctx, &u->table, entry);
}
return NULL;
#ifdef HAS_TYPE
- dup = FN(UNION,zero)(isl_space_copy(u->dim), u->type);
+ dup = FN(UNION,ZERO)(isl_space_copy(u->dim), u->type);
#else
- dup = FN(UNION,zero)(isl_space_copy(u->dim));
+ dup = FN(UNION,ZERO)(isl_space_copy(u->dim));
#endif
if (FN(FN(UNION,foreach),PARTS)(u, &add_part, &dup) < 0)
goto error;
return 0;
}
-void FN(UNION,free)(__isl_take UNION *u)
+void *FN(UNION,free)(__isl_take UNION *u)
{
if (!u)
- return;
+ return NULL;
if (--u->ref > 0)
- return;
+ return NULL;
isl_hash_table_foreach(u->dim->ctx, &u->table, &free_u_entry, NULL);
isl_hash_table_clear(&u->table);
isl_space_free(u->dim);
free(u);
+ return NULL;
}
S(UNION,align) {
dim = isl_space_drop_dims(dim, isl_dim_in, 0, isl_space_dim(dim, isl_dim_in));
dim = isl_space_drop_dims(dim, isl_dim_out, 0, isl_space_dim(dim, isl_dim_out));
#ifdef HAS_TYPE
- u = FN(UNION,zero)(dim, part->type);
+ u = FN(UNION,ZERO)(dim, part->type);
#else
- u = FN(UNION,zero)(dim);
+ u = FN(UNION,ZERO)(dim);
#endif
u = FN(FN(UNION,add),PARTS)(u, part);
S(UNION,match_bin_data) {
UNION *u2;
UNION *res;
+ __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *);
};
+/* Check if data->u2 has an element living in the same space as *entry.
+ * If so, call data->fn on the two elements and add the result to
+ * data->res.
+ */
+static int match_bin_entry(void **entry, void *user)
+{
+ S(UNION,match_bin_data) *data = user;
+ uint32_t hash;
+ struct isl_hash_table_entry *entry2;
+ isl_space *space;
+ PART *part = *entry;
+
+ space = FN(PART,get_space)(part);
+ hash = isl_space_get_hash(space);
+ entry2 = isl_hash_table_find(data->u2->dim->ctx, &data->u2->table,
+ hash, &has_dim, space, 0);
+ isl_space_free(space);
+ if (!entry2)
+ return 0;
+
+ part = FN(PART, copy)(part);
+ part = data->fn(part, FN(PART, copy)(entry2->data));
+
+ if (DEFAULT_IS_ZERO) {
+ int empty;
+
+ empty = FN(PART,IS_ZERO)(part);
+ if (empty < 0) {
+ FN(PART,free)(part);
+ return -1;
+ }
+ if (empty) {
+ FN(PART,free)(part);
+ return 0;
+ }
+ }
+
+ data->res = FN(FN(UNION,add),PARTS)(data->res, part);
+
+ return 0;
+}
+
/* This function is currently only used from isl_polynomial.c
* and not from isl_fold.c.
*/
static __isl_give UNION *match_bin_op(__isl_take UNION *u1,
__isl_take UNION *u2,
- int (*fn)(void **, void *)) __attribute__ ((unused));
+ __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *))
+ __attribute__ ((unused));
+/* For each pair of elements in "u1" and "u2" living in the same space,
+ * call "fn" and collect the results.
+ */
static __isl_give UNION *match_bin_op(__isl_take UNION *u1,
- __isl_take UNION *u2, int (*fn)(void **, void *))
+ __isl_take UNION *u2,
+ __isl_give PART *(*fn)(__isl_take PART *, __isl_take PART *))
{
- S(UNION,match_bin_data) data = { NULL, NULL };
+ S(UNION,match_bin_data) data = { NULL, NULL, fn };
u1 = FN(UNION,align_params)(u1, FN(UNION,get_space)(u2));
u2 = FN(UNION,align_params)(u2, FN(UNION,get_space)(u1));
#else
data.res = FN(UNION,alloc)(isl_space_copy(u1->dim), u1->table.n);
#endif
- if (isl_hash_table_foreach(u1->dim->ctx, &u1->table, fn, &data) < 0)
+ if (isl_hash_table_foreach(u1->dim->ctx, &u1->table,
+ &match_bin_entry, &data) < 0)
goto error;
FN(UNION,free)(u1);
return NULL;
}
-S(UNION,match_set_data) {
+#ifndef NO_SUB
+/* Subtract "u2" from "u1" and return the result.
+ */
+__isl_give UNION *FN(UNION,sub)(__isl_take UNION *u1, __isl_take UNION *u2)
+{
+ return match_bin_op(u1, u2, &FN(PART,sub));
+}
+#endif
+
+S(UNION,any_set_data) {
+ isl_set *set;
+ UNION *res;
+ __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*);
+};
+
+static int any_set_entry(void **entry, void *user)
+{
+ S(UNION,any_set_data) *data = user;
+ PW *pw = *entry;
+
+ pw = FN(PW,copy)(pw);
+ pw = data->fn(pw, isl_set_copy(data->set));
+
+ if (DEFAULT_IS_ZERO) {
+ int empty;
+
+ empty = FN(PW,IS_ZERO)(pw);
+ if (empty < 0) {
+ FN(PW,free)(pw);
+ return -1;
+ }
+ if (empty) {
+ FN(PW,free)(pw);
+ return 0;
+ }
+ }
+
+ data->res = FN(FN(UNION,add),PARTS)(data->res, pw);
+
+ return 0;
+}
+
+/* Update each element of "u" by calling "fn" on the element and "set".
+ */
+static __isl_give UNION *any_set_op(__isl_take UNION *u,
+ __isl_take isl_set *set,
+ __isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*))
+{
+ S(UNION,any_set_data) data = { NULL, NULL, fn };
+
+ u = FN(UNION,align_params)(u, isl_set_get_space(set));
+ set = isl_set_align_params(set, FN(UNION,get_space)(u));
+
+ if (!u || !set)
+ goto error;
+
+ data.set = set;
+#ifdef HAS_TYPE
+ data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->type, u->table.n);
+#else
+ data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->table.n);
+#endif
+ if (isl_hash_table_foreach(u->dim->ctx, &u->table,
+ &any_set_entry, &data) < 0)
+ goto error;
+
+ FN(UNION,free)(u);
+ isl_set_free(set);
+ return data.res;
+error:
+ FN(UNION,free)(u);
+ isl_set_free(set);
+ FN(UNION,free)(data.res);
+ return NULL;
+}
+
+/* Intersect the domain of "u" with the parameter domain "context".
+ */
+__isl_give UNION *FN(UNION,intersect_params)(__isl_take UNION *u,
+ __isl_take isl_set *set)
+{
+ return any_set_op(u, set, &FN(PW,intersect_params));
+}
+
+/* Compute the gist of the domain of "u" with respect to
+ * the parameter domain "context".
+ */
+__isl_give UNION *FN(UNION,gist_params)(__isl_take UNION *u,
+ __isl_take isl_set *set)
+{
+ return any_set_op(u, set, &FN(PW,gist_params));
+}
+
+S(UNION,match_domain_data) {
isl_union_set *uset;
UNION *res;
__isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*);
return isl_space_is_equal(set->dim, dim);
}
-static int match_set_entry(void **entry, void *user)
+/* Find the set in data->uset that live in the same space as the domain
+ * of *entry, apply data->fn to *entry and this set (if any), and add
+ * the result to data->res.
+ */
+static int match_domain_entry(void **entry, void *user)
{
- S(UNION,match_set_data) *data = user;
+ S(UNION,match_domain_data) *data = user;
uint32_t hash;
struct isl_hash_table_entry *entry2;
PW *pw = *entry;
- int empty;
+ isl_space *space;
- hash = isl_space_get_hash(pw->dim);
+ space = FN(PW,get_domain_space)(pw);
+ hash = isl_space_get_hash(space);
entry2 = isl_hash_table_find(data->uset->dim->ctx, &data->uset->table,
- hash, &set_has_dim, pw->dim, 0);
+ hash, &set_has_dim, space, 0);
+ isl_space_free(space);
if (!entry2)
return 0;
pw = FN(PW,copy)(pw);
pw = data->fn(pw, isl_set_copy(entry2->data));
- empty = FN(PW,is_zero)(pw);
- if (empty < 0) {
- FN(PW,free)(pw);
- return -1;
- }
- if (empty) {
- FN(PW,free)(pw);
- return 0;
+ if (DEFAULT_IS_ZERO) {
+ int empty;
+
+ empty = FN(PW,IS_ZERO)(pw);
+ if (empty < 0) {
+ FN(PW,free)(pw);
+ return -1;
+ }
+ if (empty) {
+ FN(PW,free)(pw);
+ return 0;
+ }
}
data->res = FN(FN(UNION,add),PARTS)(data->res, pw);
return 0;
}
-static __isl_give UNION *match_set_op(__isl_take UNION *u,
+/* Apply fn to each pair of PW in u and set in uset such that
+ * the set lives in the same space as the domain of PW
+ * and collect the results.
+ */
+static __isl_give UNION *match_domain_op(__isl_take UNION *u,
__isl_take isl_union_set *uset,
__isl_give PW *(*fn)(__isl_take PW*, __isl_take isl_set*))
{
- S(UNION,match_set_data) data = { NULL, NULL, fn };
+ S(UNION,match_domain_data) data = { NULL, NULL, fn };
u = FN(UNION,align_params)(u, isl_union_set_get_space(uset));
uset = isl_union_set_align_params(uset, FN(UNION,get_space)(u));
data.res = FN(UNION,alloc)(isl_space_copy(u->dim), u->table.n);
#endif
if (isl_hash_table_foreach(u->dim->ctx, &u->table,
- &match_set_entry, &data) < 0)
+ &match_domain_entry, &data) < 0)
goto error;
FN(UNION,free)(u);
return NULL;
}
+/* Intersect the domain of "u" with "uset".
+ * If "uset" is a parameters domain, then intersect the parameter
+ * domain of "u" with this set.
+ */
__isl_give UNION *FN(UNION,intersect_domain)(__isl_take UNION *u,
__isl_take isl_union_set *uset)
{
- return match_set_op(u, uset, &FN(PW,intersect_domain));
+ if (isl_union_set_is_params(uset))
+ return FN(UNION,intersect_params)(u,
+ isl_set_from_union_set(uset));
+ return match_domain_op(u, uset, &FN(PW,intersect_domain));
}
__isl_give UNION *FN(UNION,gist)(__isl_take UNION *u,
__isl_take isl_union_set *uset)
{
- return match_set_op(u, uset, &FN(PW,gist));
+ if (isl_union_set_is_params(uset))
+ return FN(UNION,gist_params)(u, isl_set_from_union_set(uset));
+ return match_domain_op(u, uset, &FN(PW,gist));
}
+#ifndef NO_EVAL
__isl_give isl_qpolynomial *FN(UNION,eval)(__isl_take UNION *u,
__isl_take isl_point *pnt)
{
isl_point_free(pnt);
return NULL;
}
+#endif
static int coalesce_entry(void **entry, void *user)
{
if (isl_int_is_one(v))
return u;
- if (u && isl_int_is_zero(v)) {
+ if (DEFAULT_IS_ZERO && u && isl_int_is_zero(v)) {
UNION *zero;
isl_space *dim = FN(UNION,get_space)(u);
#ifdef HAS_TYPE
- zero = FN(UNION,zero)(dim, u->type);
+ zero = FN(UNION,ZERO)(dim, u->type);
#else
- zero = FN(UNION,zero)(dim);
+ zero = FN(UNION,ZERO)(dim);
#endif
FN(UNION,free)(u);
return zero;
FN(UNION,free)(u);
return NULL;
}
+
+S(UNION,plain_is_equal_data)
+{
+ UNION *u2;
+ int is_equal;
+};
+
+static int plain_is_equal_entry(void **entry, void *user)
+{
+ S(UNION,plain_is_equal_data) *data = user;
+ uint32_t hash;
+ struct isl_hash_table_entry *entry2;
+ PW *pw = *entry;
+
+ hash = isl_space_get_hash(pw->dim);
+ entry2 = isl_hash_table_find(data->u2->dim->ctx, &data->u2->table,
+ hash, &has_dim, pw->dim, 0);
+ if (!entry2) {
+ data->is_equal = 0;
+ return -1;
+ }
+
+ data->is_equal = FN(PW,plain_is_equal)(pw, entry2->data);
+ if (data->is_equal < 0 || !data->is_equal)
+ return -1;
+
+ return 0;
+}
+
+int FN(UNION,plain_is_equal)(__isl_keep UNION *u1, __isl_keep UNION *u2)
+{
+ S(UNION,plain_is_equal_data) data = { NULL, 1 };
+
+ if (!u1 || !u2)
+ return -1;
+ if (u1 == u2)
+ return 1;
+ if (u1->table.n != u2->table.n)
+ return 0;
+
+ u1 = FN(UNION,copy)(u1);
+ u2 = FN(UNION,copy)(u2);
+ u1 = FN(UNION,align_params)(u1, FN(UNION,get_space)(u2));
+ u2 = FN(UNION,align_params)(u2, FN(UNION,get_space)(u1));
+ if (!u1 || !u2)
+ goto error;
+
+ data.u2 = u2;
+ if (isl_hash_table_foreach(u1->dim->ctx, &u1->table,
+ &plain_is_equal_entry, &data) < 0 &&
+ data.is_equal)
+ goto error;
+
+ FN(UNION,free)(u1);
+ FN(UNION,free)(u2);
+
+ return data.is_equal;
+error:
+ FN(UNION,free)(u1);
+ FN(UNION,free)(u2);
+ return -1;
+}
projects / platform / upstream / isl.git / blobdiff