#define xS(TYPE,NAME) struct TYPE ## _ ## NAME
#define S(TYPE,NAME) xS(TYPE,NAME)
+#ifdef HAS_TYPE
+static __isl_give PW *FN(PW,alloc_)(__isl_take isl_dim *dim,
+ enum isl_fold type, int n)
+#else
static __isl_give PW *FN(PW,alloc_)(__isl_take isl_dim *dim, int n)
+#endif
{
+ isl_ctx *ctx;
struct PW *pw;
if (!dim)
return NULL;
- isl_assert(dim->ctx, n >= 0, goto error);
- pw = isl_alloc(dim->ctx, struct PW,
+ ctx = isl_dim_get_ctx(dim);
+ isl_assert(ctx, n >= 0, goto error);
+ pw = isl_alloc(ctx, struct PW,
sizeof(struct PW) + (n - 1) * sizeof(S(PW,piece)));
if (!pw)
goto error;
pw->ref = 1;
+#ifdef HAS_TYPE
+ pw->type = type;
+#endif
pw->size = n;
pw->n = 0;
pw->dim = dim;
return NULL;
}
-__isl_give PW *FN(PW,zero)(__isl_take isl_dim *dim)
+#ifdef HAS_TYPE
+__isl_give PW *FN(PW,ZERO)(__isl_take isl_dim *dim, enum isl_fold type)
+{
+ return FN(PW,alloc_)(dim, type, 0);
+}
+#else
+__isl_give PW *FN(PW,ZERO)(__isl_take isl_dim *dim)
{
return FN(PW,alloc_)(dim, 0);
}
+#endif
__isl_give PW *FN(PW,add_piece)(__isl_take PW *pw,
__isl_take isl_set *set, __isl_take EL *el)
{
+ isl_ctx *ctx;
+ isl_dim *el_dim = NULL;
+
if (!pw || !set || !el)
goto error;
- if (isl_set_fast_is_empty(set) || FN(EL,IS_ZERO)(el)) {
+ if (isl_set_plain_is_empty(set) || FN(EL,EL_IS_ZERO)(el)) {
isl_set_free(set);
FN(EL,free)(el);
return pw;
}
- isl_assert(set->ctx, isl_dim_equal(pw->dim, el->dim), goto error);
- isl_assert(set->ctx, pw->n < pw->size, goto error);
+ ctx = isl_set_get_ctx(set);
+#ifdef HAS_TYPE
+ if (pw->type != el->type)
+ isl_die(ctx, isl_error_invalid, "fold types don't match",
+ goto error);
+#endif
+ el_dim = FN(EL,get_dim(el));
+ isl_assert(ctx, isl_dim_equal(pw->dim, el_dim), goto error);
+ isl_assert(ctx, pw->n < pw->size, goto error);
pw->p[pw->n].set = set;
pw->p[pw->n].FIELD = el;
pw->n++;
+ isl_dim_free(el_dim);
return pw;
error:
+ isl_dim_free(el_dim);
FN(PW,free)(pw);
isl_set_free(set);
FN(EL,free)(el);
return NULL;
}
+#ifdef HAS_TYPE
+__isl_give PW *FN(PW,alloc)(enum isl_fold type,
+ __isl_take isl_set *set, __isl_take EL *el)
+#else
__isl_give PW *FN(PW,alloc)(__isl_take isl_set *set, __isl_take EL *el)
+#endif
{
PW *pw;
if (!set || !el)
goto error;
+#ifdef HAS_TYPE
+ pw = FN(PW,alloc_)(isl_set_get_dim(set), type, 1);
+#else
pw = FN(PW,alloc_)(isl_set_get_dim(set), 1);
+#endif
return FN(PW,add_piece)(pw, set, el);
error:
if (!pw)
return NULL;
+#ifdef HAS_TYPE
+ dup = FN(PW,alloc_)(isl_dim_copy(pw->dim), pw->type, pw->n);
+#else
dup = FN(PW,alloc_)(isl_dim_copy(pw->dim), pw->n);
+#endif
if (!dup)
return NULL;
FN(EL,copy)(pw->p[i].FIELD));
return dup;
-error:
- FN(PW,free)(dup);
- return NULL;
}
__isl_give PW *FN(PW,cow)(__isl_take PW *pw)
return pw;
}
-void FN(PW,free)(__isl_take PW *pw)
+void *FN(PW,free)(__isl_take PW *pw)
{
int i;
if (!pw)
- return;
+ return NULL;
if (--pw->ref > 0)
- return;
+ return NULL;
for (i = 0; i < pw->n; ++i) {
isl_set_free(pw->p[i].set);
}
isl_dim_free(pw->dim);
free(pw);
+
+ return NULL;
}
-int FN(PW,is_zero)(__isl_keep PW *pw)
+int FN(PW,IS_ZERO)(__isl_keep PW *pw)
{
if (!pw)
return -1;
{
int i, j, n;
struct PW *res;
+ isl_ctx *ctx;
isl_set *set;
if (!pw1 || !pw2)
goto error;
- isl_assert(pw1->dim->ctx, isl_dim_equal(pw1->dim, pw2->dim), goto error);
+ ctx = isl_dim_get_ctx(pw1->dim);
+#ifdef HAS_TYPE
+ if (pw1->type != pw2->type)
+ isl_die(ctx, isl_error_invalid,
+ "fold types don't match", goto error);
+#endif
+ isl_assert(ctx, isl_dim_equal(pw1->dim, pw2->dim), goto error);
- if (FN(PW,is_zero)(pw1)) {
+ if (FN(PW,IS_ZERO)(pw1)) {
FN(PW,free)(pw1);
return pw2;
}
- if (FN(PW,is_zero)(pw2)) {
+ if (FN(PW,IS_ZERO)(pw2)) {
FN(PW,free)(pw2);
return pw1;
}
n = (pw1->n + 1) * (pw2->n + 1);
+#ifdef HAS_TYPE
+ res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), pw1->type, n);
+#else
res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), n);
+#endif
for (i = 0; i < pw1->n; ++i) {
set = isl_set_copy(pw1->p[i].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_fast_is_empty(common)) {
+ if (isl_set_plain_is_empty(common)) {
isl_set_free(common);
continue;
}
- sum = FN(EL,ADD)(FN(EL,copy)(pw1->p[i].FIELD),
- FN(EL,copy)(pw2->p[j].FIELD));
+ sum = FN(EL,add_on_domain)(common,
+ FN(EL,copy)(pw1->p[i].FIELD),
+ FN(EL,copy)(pw2->p[j].FIELD));
res = FN(PW,add_piece)(res, common, sum);
}
__isl_give PW *FN(PW,add_disjoint)(__isl_take PW *pw1, __isl_take PW *pw2)
{
int i;
+ isl_ctx *ctx;
PW *res;
if (!pw1 || !pw2)
goto error;
- isl_assert(pw1->dim->ctx, isl_dim_equal(pw1->dim, pw2->dim), goto error);
+ ctx = isl_dim_get_ctx(pw1->dim);
+#ifdef HAS_TYPE
+ if (pw1->type != pw2->type)
+ isl_die(ctx, isl_error_invalid,
+ "fold types don't match", goto error);
+#endif
+ isl_assert(ctx, isl_dim_equal(pw1->dim, pw2->dim), goto error);
- if (FN(PW,is_zero)(pw1)) {
+ if (FN(PW,IS_ZERO)(pw1)) {
FN(PW,free)(pw1);
return pw2;
}
- if (FN(PW,is_zero)(pw2)) {
+ if (FN(PW,IS_ZERO)(pw2)) {
FN(PW,free)(pw2);
return pw1;
}
+#ifdef HAS_TYPE
+ res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), pw1->type, pw1->n + pw2->n);
+#else
res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), pw1->n + pw2->n);
+#endif
for (i = 0; i < pw1->n; ++i)
res = FN(PW,add_piece)(res,
return NULL;
}
+#ifndef NO_NEG
+__isl_give PW *FN(PW,neg)(__isl_take PW *pw)
+{
+ int i;
+
+ if (!pw)
+ return NULL;
+
+ if (FN(PW,IS_ZERO)(pw))
+ return pw;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].FIELD = FN(EL,neg)(pw->p[i].FIELD);
+ if (!pw->p[i].FIELD)
+ return FN(PW,free)(pw);
+ }
+
+ return pw;
+}
+#endif
+
+#ifndef NO_EVAL
__isl_give isl_qpolynomial *FN(PW,eval)(__isl_take PW *pw,
__isl_take isl_point *pnt)
{
int i;
- int found;
+ int found = 0;
+ isl_ctx *ctx;
+ isl_dim *pnt_dim = NULL;
isl_qpolynomial *qp;
if (!pw || !pnt)
goto error;
- isl_assert(pnt->dim->ctx, isl_dim_equal(pnt->dim, pw->dim), goto error);
+ ctx = isl_point_get_ctx(pnt);
+ pnt_dim = isl_point_get_dim(pnt);
+ isl_assert(ctx, isl_dim_equal(pnt_dim, pw->dim), goto error);
for (i = 0; i < pw->n; ++i) {
found = isl_set_contains_point(pw->p[i].set, pnt);
else
qp = isl_qpolynomial_zero(isl_dim_copy(pw->dim));
FN(PW,free)(pw);
+ isl_dim_free(pnt_dim);
isl_point_free(pnt);
return qp;
error:
FN(PW,free)(pw);
+ isl_dim_free(pnt_dim);
isl_point_free(pnt);
return NULL;
}
+#endif
__isl_give isl_set *FN(PW,domain)(__isl_take PW *pw)
{
if (!pw)
goto error;
- for (i = 0; i < pw->n; ++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));
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 (isl_set_plain_is_empty(pw->p[i].set)) {
+ isl_set_free(pw->p[i].set);
+ FN(EL,free)(pw->p[i].FIELD);
+ if (i != pw->n - 1)
+ pw->p[i] = pw->p[pw->n - 1];
+ pw->n--;
+ }
}
isl_set_free(set);
return pw;
}
- hull = isl_set_convex_hull(isl_set_copy(context));
+ context = isl_set_compute_divs(context);
+ hull = isl_set_simple_hull(isl_set_copy(context));
pw = FN(PW,cow)(pw);
if (!pw)
goto error;
- for (i = 0; i < pw->n; ++i) {
- pw->p[i].set = isl_set_gist(pw->p[i].set,
+ for (i = pw->n - 1; i >= 0; --i) {
+ pw->p[i].set = isl_set_intersect(pw->p[i].set,
+ isl_set_copy(context));
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,gist)(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));
if (!pw->p[i].set)
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);
+ if (i != pw->n - 1)
+ pw->p[i] = pw->p[pw->n - 1];
+ pw->n--;
+ }
}
isl_basic_set_free(hull);
return NULL;
}
+__isl_give PW *FN(PW,coalesce)(__isl_take PW *pw)
+{
+ int i, j;
+
+ if (!pw)
+ return NULL;
+ if (pw->n == 0)
+ return pw;
+
+ for (i = pw->n - 1; i >= 0; --i) {
+ for (j = i - 1; j >= 0; --j) {
+ if (!FN(EL,plain_is_equal)(pw->p[i].FIELD,
+ pw->p[j].FIELD))
+ continue;
+ pw->p[j].set = isl_set_union(pw->p[j].set,
+ pw->p[i].set);
+ FN(EL,free)(pw->p[i].FIELD);
+ if (i != pw->n - 1)
+ pw->p[i] = pw->p[pw->n - 1];
+ pw->n--;
+ break;
+ }
+ if (j >= 0)
+ continue;
+ pw->p[i].set = isl_set_coalesce(pw->p[i].set);
+ if (!pw->p[i].set)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+
isl_ctx *FN(PW,get_ctx)(__isl_keep PW *pw)
{
- return pw ? pw->dim->ctx : NULL;
+ return pw ? isl_dim_get_ctx(pw->dim) : NULL;
+}
+
+#ifndef NO_INVOLVES_DIMS
+int FN(PW,involves_dims)(__isl_keep PW *pw, enum isl_dim_type type,
+ unsigned first, unsigned n)
+{
+ int i;
+
+ if (!pw)
+ return -1;
+ if (pw->n == 0 || n == 0)
+ return 0;
+ for (i = 0; i < pw->n; ++i) {
+ int involves = FN(EL,involves_dims)(pw->p[i].FIELD,
+ type, first, n);
+ if (involves < 0 || involves)
+ return involves;
+ involves = isl_set_involves_dims(pw->p[i].set, type, first, n);
+ if (involves < 0 || involves)
+ return involves;
+ }
+ return 0;
+}
+#endif
+
+__isl_give PW *FN(PW,set_dim_name)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned pos, const char *s)
+{
+ int i;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+
+ pw->dim = isl_dim_set_name(pw->dim, type, pos, s);
+ if (!pw->dim)
+ goto error;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_set_dim_name(pw->p[i].set, type, pos, s);
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,set_dim_name)(pw->p[i].FIELD, type, pos, s);
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+#ifndef NO_DROP_DIMS
+__isl_give PW *FN(PW,drop_dims)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned first, unsigned n)
+{
+ int i;
+
+ if (!pw)
+ return NULL;
+ if (n == 0 && !isl_dim_get_tuple_name(pw->dim, type))
+ return pw;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+ pw->dim = isl_dim_drop(pw->dim, type, first, n);
+ if (!pw->dim)
+ goto error;
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_drop(pw->p[i].set, type, first, n);
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,drop_dims)(pw->p[i].FIELD, type, first, n);
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+#endif
+
+#ifndef NO_INSERT_DIMS
+__isl_give PW *FN(PW,insert_dims)(__isl_take PW *pw, enum isl_dim_type type,
+ unsigned first, unsigned n)
+{
+ int i;
+
+ if (!pw)
+ return NULL;
+ if (n == 0 && !isl_dim_is_named_or_nested(pw->dim, type))
+ return pw;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+
+ pw->dim = isl_dim_insert(pw->dim, type, first, n);
+ if (!pw->dim)
+ goto error;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_insert(pw->p[i].set, type, first, n);
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,insert_dims)(pw->p[i].FIELD,
+ type, first, n);
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+#endif
+
+__isl_give PW *FN(PW,fix_dim)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned pos, isl_int v)
+{
+ int i;
+
+ if (!pw)
+ return NULL;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_fix(pw->p[i].set, type, pos, v);
+ if (!pw->p[i].set)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+unsigned FN(PW,dim)(__isl_keep PW *pw, enum isl_dim_type type)
+{
+ return pw ? isl_dim_size(pw->dim, type) : 0;
+}
+
+__isl_give PW *FN(PW,split_dims)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned first, unsigned n)
+{
+ int i;
+
+ if (!pw)
+ return NULL;
+ if (n == 0)
+ return pw;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+ if (!pw->dim)
+ goto error;
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_split_dims(pw->p[i].set, type, first, n);
+ if (!pw->p[i].set)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+#ifndef NO_OPT
+/* Compute the maximal value attained by the piecewise quasipolynomial
+ * on its domain or zero if the domain is empty.
+ * In the worst case, the domain is scanned completely,
+ * so the domain is assumed to be bounded.
+ */
+__isl_give isl_qpolynomial *FN(PW,opt)(__isl_take PW *pw, int max)
+{
+ int i;
+ isl_qpolynomial *opt;
+
+ if (!pw)
+ return NULL;
+
+ if (pw->n == 0) {
+ isl_dim *dim = isl_dim_copy(pw->dim);
+ FN(PW,free)(pw);
+ return isl_qpolynomial_zero(dim);
+ }
+
+ opt = FN(EL,opt_on_domain)(FN(EL,copy)(pw->p[0].FIELD),
+ isl_set_copy(pw->p[0].set), max);
+ for (i = 1; i < pw->n; ++i) {
+ isl_qpolynomial *opt_i;
+ opt_i = FN(EL,opt_on_domain)(FN(EL,copy)(pw->p[i].FIELD),
+ isl_set_copy(pw->p[i].set), max);
+ if (max)
+ opt = isl_qpolynomial_max_cst(opt, opt_i);
+ else
+ opt = isl_qpolynomial_min_cst(opt, opt_i);
+ }
+
+ FN(PW,free)(pw);
+ return opt;
+}
+
+__isl_give isl_qpolynomial *FN(PW,max)(__isl_take PW *pw)
+{
+ return FN(PW,opt)(pw, 1);
+}
+
+__isl_give isl_qpolynomial *FN(PW,min)(__isl_take PW *pw)
+{
+ return FN(PW,opt)(pw, 0);
+}
+#endif
+
+__isl_give isl_dim *FN(PW,get_dim)(__isl_keep PW *pw)
+{
+ return pw ? isl_dim_copy(pw->dim) : NULL;
+}
+
+#ifndef NO_RESET_DIM
+__isl_give PW *FN(PW,reset_dim)(__isl_take PW *pw, __isl_take isl_dim *dim)
+{
+ int i;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw || !dim)
+ goto error;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_reset_dim(pw->p[i].set,
+ isl_dim_copy(dim));
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,reset_dim)(pw->p[i].FIELD,
+ isl_dim_copy(dim));
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+ isl_dim_free(pw->dim);
+ pw->dim = dim;
+
+ return pw;
+error:
+ isl_dim_free(dim);
+ FN(PW,free)(pw);
+ return NULL;
+}
+#endif
+
+int FN(PW,has_equal_dim)(__isl_keep PW *pw1, __isl_keep PW *pw2)
+{
+ if (!pw1 || !pw2)
+ return -1;
+
+ return isl_dim_equal(pw1->dim, pw2->dim);
+}
+
+#ifndef NO_MORPH
+__isl_give PW *FN(PW,morph)(__isl_take PW *pw, __isl_take isl_morph *morph)
+{
+ int i;
+ isl_ctx *ctx;
+
+ if (!pw || !morph)
+ goto error;
+
+ ctx = isl_dim_get_ctx(pw->dim);
+ isl_assert(ctx, isl_dim_equal(pw->dim, morph->dom->dim),
+ goto error);
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ goto error;
+ isl_dim_free(pw->dim);
+ pw->dim = isl_dim_copy(morph->ran->dim);
+ if (!pw->dim)
+ goto error;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_morph_set(isl_morph_copy(morph), pw->p[i].set);
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,morph)(pw->p[i].FIELD,
+ isl_morph_copy(morph));
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ isl_morph_free(morph);
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ isl_morph_free(morph);
+ return NULL;
+}
+#endif
+
+int FN(PW,foreach_piece)(__isl_keep PW *pw,
+ int (*fn)(__isl_take isl_set *set, __isl_take EL *el, void *user),
+ void *user)
+{
+ int i;
+
+ if (!pw)
+ return -1;
+
+ for (i = 0; i < pw->n; ++i)
+ if (fn(isl_set_copy(pw->p[i].set),
+ FN(EL,copy)(pw->p[i].FIELD), user) < 0)
+ return -1;
+
+ return 0;
+}
+
+#ifndef NO_LIFT
+static int any_divs(__isl_keep isl_set *set)
+{
+ int i;
+
+ if (!set)
+ return -1;
+
+ for (i = 0; i < set->n; ++i)
+ if (set->p[i]->n_div > 0)
+ return 1;
+
+ return 0;
+}
+
+static int foreach_lifted_subset(__isl_take isl_set *set, __isl_take EL *el,
+ int (*fn)(__isl_take isl_set *set, __isl_take EL *el,
+ void *user), void *user)
+{
+ int i;
+
+ if (!set || !el)
+ goto error;
+
+ for (i = 0; i < set->n; ++i) {
+ isl_set *lift;
+ EL *copy;
+
+ lift = isl_set_from_basic_set(isl_basic_set_copy(set->p[i]));
+ lift = isl_set_lift(lift);
+
+ copy = FN(EL,copy)(el);
+ copy = FN(EL,lift)(copy, isl_set_get_dim(lift));
+
+ if (fn(lift, copy, user) < 0)
+ goto error;
+ }
+
+ isl_set_free(set);
+ FN(EL,free)(el);
+
+ return 0;
+error:
+ isl_set_free(set);
+ FN(EL,free)(el);
+ return -1;
+}
+
+int FN(PW,foreach_lifted_piece)(__isl_keep PW *pw,
+ int (*fn)(__isl_take isl_set *set, __isl_take EL *el,
+ void *user), void *user)
+{
+ int i;
+
+ if (!pw)
+ return -1;
+
+ for (i = 0; i < pw->n; ++i) {
+ isl_set *set;
+ EL *el;
+
+ set = isl_set_copy(pw->p[i].set);
+ el = FN(EL,copy)(pw->p[i].FIELD);
+ if (!any_divs(set)) {
+ if (fn(set, el, user) < 0)
+ return -1;
+ continue;
+ }
+ if (foreach_lifted_subset(set, el, fn, user) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+#endif
+
+#ifndef NO_MOVE_DIMS
+__isl_give PW *FN(PW,move_dims)(__isl_take PW *pw,
+ enum isl_dim_type dst_type, unsigned dst_pos,
+ enum isl_dim_type src_type, unsigned src_pos, unsigned n)
+{
+ int i;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+
+ pw->dim = isl_dim_move(pw->dim, dst_type, dst_pos, src_type, src_pos, n);
+ if (!pw->dim)
+ goto error;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_move_dims(pw->p[i].set,
+ dst_type, dst_pos,
+ src_type, src_pos, n);
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,move_dims)(pw->p[i].FIELD,
+ dst_type, dst_pos, src_type, src_pos, n);
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+#endif
+
+#ifndef NO_REALIGN
+__isl_give PW *FN(PW,realign)(__isl_take PW *pw, __isl_take isl_reordering *exp)
+{
+ int i;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw || !exp)
+ return NULL;
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_realign(pw->p[i].set,
+ isl_reordering_copy(exp));
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,realign)(pw->p[i].FIELD,
+ isl_reordering_copy(exp));
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ pw = FN(PW,reset_dim)(pw, isl_dim_copy(exp->dim));
+
+ isl_reordering_free(exp);
+ return pw;
+error:
+ isl_reordering_free(exp);
+ FN(PW,free)(pw);
+ return NULL;
+}
+#endif
+
+__isl_give PW *FN(PW,mul_isl_int)(__isl_take PW *pw, isl_int v)
+{
+ int i;
+
+ if (isl_int_is_one(v))
+ return pw;
+ if (pw && isl_int_is_zero(v)) {
+ PW *zero;
+ isl_dim *dim = FN(PW,get_dim)(pw);
+#ifdef HAS_TYPE
+ zero = FN(PW,ZERO)(dim, pw->type);
+#else
+ zero = FN(PW,ZERO)(dim);
+#endif
+ FN(PW,free)(pw);
+ return zero;
+ }
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+ if (pw->n == 0)
+ return pw;
+
+#ifdef HAS_TYPE
+ if (isl_int_is_neg(v))
+ pw->type = isl_fold_type_negate(pw->type);
+#endif
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].FIELD = FN(EL,scale)(pw->p[i].FIELD, v);
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
}