return pw ? isl_space_get_dim_name(pw->dim, type, pos) : NULL;
}
+int FN(PW,has_dim_id)(__isl_keep PW *pw, enum isl_dim_type type, unsigned pos)
+{
+ return pw ? isl_space_has_dim_id(pw->dim, type, pos) : -1;
+}
+
__isl_give isl_id *FN(PW,get_dim_id)(__isl_keep PW *pw, enum isl_dim_type type,
unsigned pos)
{
}
#endif
-static __isl_give PW *FN(PW,add_aligned)(__isl_take PW *pw1, __isl_take PW *pw2)
+static __isl_give PW *FN(PW,union_add_aligned)(__isl_take PW *pw1,
+ __isl_take PW *pw2)
{
int i, j, n;
struct PW *res;
for (j = 0; j < pw2->n; ++j) {
struct isl_set *common;
EL *sum;
- set = isl_set_subtract(set,
- isl_set_copy(pw2->p[j].set));
common = isl_set_intersect(isl_set_copy(pw1->p[i].set),
isl_set_copy(pw2->p[j].set));
if (isl_set_plain_is_empty(common)) {
isl_set_free(common);
continue;
}
+ set = isl_set_subtract(set,
+ isl_set_copy(pw2->p[j].set));
sum = FN(EL,add_on_domain)(common,
FN(EL,copy)(pw1->p[i].FIELD),
return NULL;
}
-__isl_give PW *FN(PW,add)(__isl_take PW *pw1, __isl_take PW *pw2)
+/* Private version of "union_add". For isl_pw_qpolynomial and
+ * isl_pw_qpolynomial_fold, we prefer to simply call it "add".
+ */
+static __isl_give PW *FN(PW,union_add_)(__isl_take PW *pw1, __isl_take PW *pw2)
{
- return FN(PW,align_params_pw_pw_and)(pw1, pw2, &FN(PW,add_aligned));
+ return FN(PW,align_params_pw_pw_and)(pw1, pw2,
+ &FN(PW,union_add_aligned));
}
/* Make sure "pw" has room for at least "n" more pieces.
&FN(PW,add_disjoint_aligned));
}
+/* This function is currently only used from isl_aff.c
+ */
+static __isl_give PW *FN(PW,on_shared_domain)(__isl_take PW *pw1,
+ __isl_take PW *pw2,
+ __isl_give EL *(*fn)(__isl_take EL *el1, __isl_take EL *el2))
+ __attribute__ ((unused));
+
+/* Apply "fn" to pairs of elements from pw1 and pw2 on shared domains.
+ */
+static __isl_give PW *FN(PW,on_shared_domain)(__isl_take PW *pw1,
+ __isl_take PW *pw2,
+ __isl_give EL *(*fn)(__isl_take EL *el1, __isl_take EL *el2))
+{
+ int i, j, n;
+ PW *res = NULL;
+
+ if (!pw1 || !pw2)
+ goto error;
+
+ n = pw1->n * pw2->n;
+#ifdef HAS_TYPE
+ res = FN(PW,alloc_size)(isl_space_copy(pw1->dim), pw1->type, n);
+#else
+ res = FN(PW,alloc_size)(isl_space_copy(pw1->dim), n);
+#endif
+
+ for (i = 0; i < pw1->n; ++i) {
+ for (j = 0; j < pw2->n; ++j) {
+ isl_set *common;
+ EL *res_ij;
+ int empty;
+
+ common = isl_set_intersect(
+ isl_set_copy(pw1->p[i].set),
+ isl_set_copy(pw2->p[j].set));
+ empty = isl_set_plain_is_empty(common);
+ if (empty < 0 || empty) {
+ isl_set_free(common);
+ if (empty < 0)
+ goto error;
+ continue;
+ }
+
+ res_ij = fn(FN(EL,copy)(pw1->p[i].FIELD),
+ FN(EL,copy)(pw2->p[j].FIELD));
+ res_ij = FN(EL,gist)(res_ij, isl_set_copy(common));
+
+ res = FN(PW,add_piece)(res, common, res_ij);
+ }
+ }
+
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
+ return res;
+error:
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
+ FN(PW,free)(res);
+ return NULL;
+}
+
#ifndef NO_NEG
__isl_give PW *FN(PW,neg)(__isl_take PW *pw)
{
return dom;
}
-static __isl_give PW *FN(PW,intersect_domain_aligned)(__isl_take PW *pw,
- __isl_take isl_set *set)
+/* Restrict the domain of "pw" by combining each cell
+ * with "set" through a call to "fn", where "fn" may be
+ * isl_set_intersect or isl_set_intersect_params.
+ */
+static __isl_give PW *FN(PW,intersect_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *set,
+ __isl_give isl_set *(*fn)(__isl_take isl_set *set1,
+ __isl_take isl_set *set2))
{
int i;
for (i = pw->n - 1; i >= 0; --i) {
isl_basic_set *aff;
- pw->p[i].set = isl_set_intersect(pw->p[i].set, isl_set_copy(set));
+ pw->p[i].set = fn(pw->p[i].set, isl_set_copy(set));
if (!pw->p[i].set)
goto error;
aff = isl_set_affine_hull(isl_set_copy(pw->p[i].set));
pw->p[i].FIELD = FN(EL,substitute_equalities)(pw->p[i].FIELD,
aff);
+ if (!pw->p[i].FIELD)
+ goto error;
if (isl_set_plain_is_empty(pw->p[i].set)) {
isl_set_free(pw->p[i].set);
FN(EL,free)(pw->p[i].FIELD);
return NULL;
}
+static __isl_give PW *FN(PW,intersect_domain_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *set)
+{
+ return FN(PW,intersect_aligned)(pw, set, &isl_set_intersect);
+}
+
__isl_give PW *FN(PW,intersect_domain)(__isl_take PW *pw,
__isl_take isl_set *context)
{
&FN(PW,intersect_domain_aligned));
}
-static __isl_give PW *FN(PW,gist_aligned)(__isl_take PW *pw,
+static __isl_give PW *FN(PW,intersect_params_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *set)
+{
+ return FN(PW,intersect_aligned)(pw, set, &isl_set_intersect_params);
+}
+
+/* Intersect the domain of "pw" with the parameter domain "context".
+ */
+__isl_give PW *FN(PW,intersect_params)(__isl_take PW *pw,
__isl_take isl_set *context)
{
+ return FN(PW,align_params_pw_set_and)(pw, context,
+ &FN(PW,intersect_params_aligned));
+}
+
+static __isl_give PW *FN(PW,gist_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *context,
+ __isl_give EL *(*fn_el)(__isl_take EL *el,
+ __isl_take isl_set *set),
+ __isl_give isl_set *(*fn_dom)(__isl_take isl_set *set,
+ __isl_take isl_basic_set *bset))
+{
int i;
isl_basic_set *hull = NULL;
isl_set_copy(context));
if (!pw->p[i].set)
goto error;
- pw->p[i].FIELD = FN(EL,gist)(pw->p[i].FIELD,
+ pw->p[i].FIELD = fn_el(pw->p[i].FIELD,
isl_set_copy(pw->p[i].set));
- pw->p[i].set = isl_set_gist_basic_set(pw->p[i].set,
- isl_basic_set_copy(hull));
+ pw->p[i].set = fn_dom(pw->p[i].set, isl_basic_set_copy(hull));
if (!pw->p[i].set)
goto error;
if (isl_set_plain_is_empty(pw->p[i].set)) {
return NULL;
}
+static __isl_give PW *FN(PW,gist_domain_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *set)
+{
+ return FN(PW,gist_aligned)(pw, set, &FN(EL,gist),
+ &isl_set_gist_basic_set);
+}
+
__isl_give PW *FN(PW,gist)(__isl_take PW *pw, __isl_take isl_set *context)
{
- return FN(PW,align_params_pw_set_and)(pw, context, &FN(PW,gist_aligned));
+ return FN(PW,align_params_pw_set_and)(pw, context,
+ &FN(PW,gist_domain_aligned));
+}
+
+static __isl_give PW *FN(PW,gist_params_aligned)(__isl_take PW *pw,
+ __isl_take isl_set *set)
+{
+ return FN(PW,gist_aligned)(pw, set, &FN(EL,gist_params),
+ &isl_set_gist_params_basic_set);
+}
+
+__isl_give PW *FN(PW,gist_params)(__isl_take PW *pw,
+ __isl_take isl_set *context)
+{
+ return FN(PW,align_params_pw_set_and)(pw, context,
+ &FN(PW,gist_params_aligned));
}
__isl_give PW *FN(PW,coalesce)(__isl_take PW *pw)
if (pw->n == 0) {
isl_space *dim = isl_space_copy(pw->dim);
FN(PW,free)(pw);
- return isl_qpolynomial_zero_on_domain(dim);
+ return isl_qpolynomial_zero_on_domain(isl_space_domain(dim));
}
opt = FN(EL,opt_on_domain)(FN(EL,copy)(pw->p[0].FIELD),
}
#endif
+int FN(PW,n_piece)(__isl_keep PW *pw)
+{
+ return pw ? pw->n : 0;
+}
+
int FN(PW,foreach_piece)(__isl_keep PW *pw,
int (*fn)(__isl_take isl_set *set, __isl_take EL *el, void *user),
void *user)
if (isl_int_is_one(v))
return pw;
- if (pw && isl_int_is_zero(v)) {
+ if (pw && DEFAULT_IS_ZERO && isl_int_is_zero(v)) {
PW *zero;
isl_space *dim = FN(PW,get_space)(pw);
#ifdef HAS_TYPE
projects / platform / upstream / isl.git / blobdiff