+#include <isl/aff.h>
+
#define xFN(TYPE,NAME) TYPE ## _ ## NAME
#define FN(TYPE,NAME) xFN(TYPE,NAME)
#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,
+__isl_give PW *FN(PW,alloc_size)(__isl_take isl_space *dim,
enum isl_fold type, int n)
#else
-static __isl_give PW *FN(PW,alloc_)(__isl_take isl_dim *dim, int n)
+__isl_give PW *FN(PW,alloc_size)(__isl_take isl_space *dim, int n)
#endif
{
isl_ctx *ctx;
if (!dim)
return NULL;
- ctx = isl_dim_get_ctx(dim);
+ ctx = isl_space_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)));
pw->dim = dim;
return pw;
error:
- isl_dim_free(dim);
+ isl_space_free(dim);
return NULL;
}
#ifdef HAS_TYPE
-__isl_give PW *FN(PW,ZERO)(__isl_take isl_dim *dim, enum isl_fold type)
+__isl_give PW *FN(PW,ZERO)(__isl_take isl_space *dim, enum isl_fold type)
{
- return FN(PW,alloc_)(dim, type, 0);
+ return FN(PW,alloc_size)(dim, type, 0);
}
#else
-__isl_give PW *FN(PW,ZERO)(__isl_take isl_dim *dim)
+__isl_give PW *FN(PW,ZERO)(__isl_take isl_space *dim)
{
- return FN(PW,alloc_)(dim, 0);
+ return FN(PW,alloc_size)(dim, 0);
}
#endif
__isl_take isl_set *set, __isl_take EL *el)
{
isl_ctx *ctx;
- isl_dim *el_dim = NULL;
+ isl_space *el_dim = NULL;
if (!pw || !set || !el)
goto error;
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);
+ el_dim = FN(EL,get_space(el));
+ isl_assert(ctx, isl_space_is_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);
+ isl_space_free(el_dim);
return pw;
error:
- isl_dim_free(el_dim);
+ isl_space_free(el_dim);
FN(PW,free)(pw);
isl_set_free(set);
FN(EL,free)(el);
goto error;
#ifdef HAS_TYPE
- pw = FN(PW,alloc_)(isl_set_get_dim(set), type, 1);
+ pw = FN(PW,alloc_size)(FN(EL,get_space)(el), type, 1);
#else
- pw = FN(PW,alloc_)(isl_set_get_dim(set), 1);
+ pw = FN(PW,alloc_size)(FN(EL,get_space)(el), 1);
#endif
return FN(PW,add_piece)(pw, set, el);
return NULL;
#ifdef HAS_TYPE
- dup = FN(PW,alloc_)(isl_dim_copy(pw->dim), pw->type, pw->n);
+ dup = FN(PW,alloc_size)(isl_space_copy(pw->dim), pw->type, pw->n);
#else
- dup = FN(PW,alloc_)(isl_dim_copy(pw->dim), pw->n);
+ dup = FN(PW,alloc_size)(isl_space_copy(pw->dim), pw->n);
#endif
if (!dup)
return NULL;
isl_set_free(pw->p[i].set);
FN(EL,free)(pw->p[i].FIELD);
}
- isl_dim_free(pw->dim);
+ isl_space_free(pw->dim);
free(pw);
return NULL;
}
+const char *FN(PW,get_dim_name)(__isl_keep PW *pw, enum isl_dim_type type,
+ unsigned pos)
+{
+ 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)
+{
+ return pw ? isl_space_get_dim_id(pw->dim, type, pos) : NULL;
+}
+
+int FN(PW,has_tuple_name)(__isl_keep PW *pw, enum isl_dim_type type)
+{
+ return pw ? isl_space_has_tuple_name(pw->dim, type) : -1;
+}
+
+const char *FN(PW,get_tuple_name)(__isl_keep PW *pw, enum isl_dim_type type)
+{
+ return pw ? isl_space_get_tuple_name(pw->dim, type) : NULL;
+}
+
+int FN(PW,has_tuple_id)(__isl_keep PW *pw, enum isl_dim_type type)
+{
+ return pw ? isl_space_has_tuple_id(pw->dim, type) : -1;
+}
+
+__isl_give isl_id *FN(PW,get_tuple_id)(__isl_keep PW *pw, enum isl_dim_type type)
+{
+ return pw ? isl_space_get_tuple_id(pw->dim, type) : NULL;
+}
+
int FN(PW,IS_ZERO)(__isl_keep PW *pw)
{
if (!pw)
}
#ifndef NO_REALIGN
-__isl_give PW *FN(PW,realign)(__isl_take PW *pw, __isl_take isl_reordering *exp)
+__isl_give PW *FN(PW,realign_domain)(__isl_take PW *pw,
+ __isl_take isl_reordering *exp)
{
int i;
pw = FN(PW,cow)(pw);
if (!pw || !exp)
- return NULL;
+ goto error;
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,
+ pw->p[i].FIELD = FN(EL,realign_domain)(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));
+ pw = FN(PW,reset_domain_space)(pw, isl_space_copy(exp->dim));
isl_reordering_free(exp);
return pw;
/* Align the parameters of "pw" to those of "model".
*/
-__isl_give PW *FN(PW,align_params)(__isl_take PW *pw, __isl_take isl_dim *model)
+__isl_give PW *FN(PW,align_params)(__isl_take PW *pw, __isl_take isl_space *model)
{
isl_ctx *ctx;
if (!pw || !model)
goto error;
- ctx = isl_dim_get_ctx(model);
- if (!isl_dim_has_named_params(model))
+ ctx = isl_space_get_ctx(model);
+ if (!isl_space_has_named_params(model))
isl_die(ctx, isl_error_invalid,
"model has unnamed parameters", goto error);
- if (!isl_dim_has_named_params(pw->dim))
+ if (!isl_space_has_named_params(pw->dim))
isl_die(ctx, isl_error_invalid,
"input has unnamed parameters", goto error);
- if (!isl_dim_match(pw->dim, isl_dim_param, model, isl_dim_param)) {
+ if (!isl_space_match(pw->dim, isl_dim_param, model, isl_dim_param)) {
isl_reordering *exp;
- model = isl_dim_drop(model, isl_dim_in,
- 0, isl_dim_size(model, isl_dim_in));
- model = isl_dim_drop(model, isl_dim_out,
- 0, isl_dim_size(model, isl_dim_out));
+ model = isl_space_drop_dims(model, isl_dim_in,
+ 0, isl_space_dim(model, isl_dim_in));
+ model = isl_space_drop_dims(model, isl_dim_out,
+ 0, isl_space_dim(model, isl_dim_out));
exp = isl_parameter_alignment_reordering(pw->dim, model);
- exp = isl_reordering_extend_dim(exp, FN(PW,get_dim)(pw));
- pw = FN(PW,realign)(pw, exp);
+ exp = isl_reordering_extend_space(exp,
+ FN(PW,get_domain_space)(pw));
+ pw = FN(PW,realign_domain)(pw, exp);
}
- isl_dim_free(model);
+ isl_space_free(model);
return pw;
error:
- isl_dim_free(model);
+ isl_space_free(model);
FN(PW,free)(pw);
return NULL;
}
-static __isl_give PW *align_params_pw_pw_and(__isl_take PW *pw1,
+static __isl_give PW *FN(PW,align_params_pw_pw_and)(__isl_take PW *pw1,
__isl_take PW *pw2,
__isl_give PW *(*fn)(__isl_take PW *pw1, __isl_take PW *pw2))
{
if (!pw1 || !pw2)
goto error;
- if (isl_dim_match(pw1->dim, isl_dim_param, pw2->dim, isl_dim_param))
+ if (isl_space_match(pw1->dim, isl_dim_param, pw2->dim, isl_dim_param))
return fn(pw1, pw2);
ctx = FN(PW,get_ctx)(pw1);
- if (!isl_dim_has_named_params(pw1->dim) ||
- !isl_dim_has_named_params(pw2->dim))
+ if (!isl_space_has_named_params(pw1->dim) ||
+ !isl_space_has_named_params(pw2->dim))
isl_die(ctx, isl_error_invalid,
"unaligned unnamed parameters", goto error);
- pw1 = FN(PW,align_params)(pw1, FN(PW,get_dim)(pw2));
- pw2 = FN(PW,align_params)(pw2, FN(PW,get_dim)(pw1));
+ pw1 = FN(PW,align_params)(pw1, FN(PW,get_space)(pw2));
+ pw2 = FN(PW,align_params)(pw2, FN(PW,get_space)(pw1));
return fn(pw1, pw2);
error:
FN(PW,free)(pw1);
return NULL;
}
-static __isl_give PW *align_params_pw_set_and(__isl_take PW *pw,
+static __isl_give PW *FN(PW,align_params_pw_set_and)(__isl_take PW *pw,
__isl_take isl_set *set,
__isl_give PW *(*fn)(__isl_take PW *pw, __isl_take isl_set *set))
{
if (!pw || !set)
goto error;
- if (isl_dim_match(pw->dim, isl_dim_param, set->dim, isl_dim_param))
+ if (isl_space_match(pw->dim, isl_dim_param, set->dim, isl_dim_param))
return fn(pw, set);
ctx = FN(PW,get_ctx)(pw);
- if (!isl_dim_has_named_params(pw->dim) ||
- !isl_dim_has_named_params(set->dim))
+ if (!isl_space_has_named_params(pw->dim) ||
+ !isl_space_has_named_params(set->dim))
isl_die(ctx, isl_error_invalid,
"unaligned unnamed parameters", goto error);
- pw = FN(PW,align_params)(pw, isl_set_get_dim(set));
- set = isl_set_align_params(set, FN(PW,get_dim)(pw));
+ pw = FN(PW,align_params)(pw, isl_set_get_space(set));
+ set = isl_set_align_params(set, FN(PW,get_space)(pw));
return fn(pw, set);
error:
FN(PW,free)(pw);
}
#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;
if (!pw1 || !pw2)
goto error;
- ctx = isl_dim_get_ctx(pw1->dim);
+ ctx = isl_space_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);
+ isl_assert(ctx, isl_space_is_equal(pw1->dim, pw2->dim), goto error);
if (FN(PW,IS_ZERO)(pw1)) {
FN(PW,free)(pw1);
n = (pw1->n + 1) * (pw2->n + 1);
#ifdef HAS_TYPE
- res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), pw1->type, n);
+ res = FN(PW,alloc_size)(isl_space_copy(pw1->dim), pw1->type, n);
#else
- res = FN(PW,alloc_)(isl_dim_copy(pw1->dim), n);
+ 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) {
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 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.
+ *
+ * If there is only one reference to pw, we extend it in place.
+ * Otherwise, we create a new PW and copy the pieces.
+ */
+static __isl_give PW *FN(PW,grow)(__isl_take PW *pw, int n)
+{
+ int i;
+ isl_ctx *ctx;
+ PW *res;
+
+ if (!pw)
+ return NULL;
+ if (pw->n + n <= pw->size)
+ return pw;
+ ctx = FN(PW,get_ctx)(pw);
+ n += pw->n;
+ if (pw->ref == 1) {
+ res = isl_realloc(ctx, pw, struct PW,
+ sizeof(struct PW) + (n - 1) * sizeof(S(PW,piece)));
+ if (!res)
+ return FN(PW,free)(pw);
+ res->size = n;
+ return res;
+ }
+#ifdef HAS_TYPE
+ res = FN(PW,alloc_size)(isl_space_copy(pw->dim), pw->type, n);
+#else
+ res = FN(PW,alloc_size)(isl_space_copy(pw->dim), n);
+#endif
+ if (!res)
+ return FN(PW,free)(pw);
+ for (i = 0; i < pw->n; ++i)
+ res = FN(PW,add_piece)(res, isl_set_copy(pw->p[i].set),
+ FN(EL,copy)(pw->p[i].FIELD));
+ FN(PW,free)(pw);
+ return res;
}
static __isl_give PW *FN(PW,add_disjoint_aligned)(__isl_take PW *pw1,
{
int i;
isl_ctx *ctx;
- PW *res;
if (!pw1 || !pw2)
goto error;
- ctx = isl_dim_get_ctx(pw1->dim);
+ if (pw1->size < pw1->n + pw2->n && pw1->n < pw2->n)
+ return FN(PW,add_disjoint_aligned)(pw2, pw1);
+
+ ctx = isl_space_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);
+ isl_assert(ctx, isl_space_is_equal(pw1->dim, pw2->dim), goto error);
if (FN(PW,IS_ZERO)(pw1)) {
FN(PW,free)(pw1);
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,
- isl_set_copy(pw1->p[i].set),
- FN(EL,copy)(pw1->p[i].FIELD));
+ pw1 = FN(PW,grow)(pw1, pw2->n);
+ if (!pw1)
+ goto error;
for (i = 0; i < pw2->n; ++i)
- res = FN(PW,add_piece)(res,
+ pw1 = FN(PW,add_piece)(pw1,
isl_set_copy(pw2->p[i].set),
FN(EL,copy)(pw2->p[i].FIELD));
+ FN(PW,free)(pw2);
+
+ return pw1;
+error:
FN(PW,free)(pw1);
FN(PW,free)(pw2);
+ return NULL;
+}
+
+__isl_give PW *FN(PW,add_disjoint)(__isl_take PW *pw1, __isl_take PW *pw2)
+{
+ return FN(PW,align_params_pw_pw_and)(pw1, pw2,
+ &FN(PW,add_disjoint_aligned));
+}
+
+/* This function is currently only used from isl_aff.c
+ */
+static __isl_give PW *FN(PW,on_shared_domain_in)(__isl_take PW *pw1,
+ __isl_take PW *pw2, __isl_take isl_space *space,
+ __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.
+ * The result of "fn" (and therefore also of this function) lives in "space".
+ */
+static __isl_give PW *FN(PW,on_shared_domain_in)(__isl_take PW *pw1,
+ __isl_take PW *pw2, __isl_take isl_space *space,
+ __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(space), pw1->type, n);
+#else
+ res = FN(PW,alloc_size)(isl_space_copy(space), 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);
+ }
+ }
+
+ isl_space_free(space);
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
return res;
error:
+ isl_space_free(space);
FN(PW,free)(pw1);
FN(PW,free)(pw2);
+ FN(PW,free)(res);
return NULL;
}
-__isl_give PW *FN(PW,add_disjoint)(__isl_take PW *pw1, __isl_take PW *pw2)
+/* 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.
+ * The result of "fn" is assumed to live in the same space as "pw1" and "pw2".
+ */
+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))
{
- return align_params_pw_pw_and(pw1, pw2, &FN(PW,add_disjoint_aligned));
+ isl_space *space;
+
+ if (!pw1 || !pw2)
+ goto error;
+
+ space = isl_space_copy(pw1->dim);
+ return FN(PW,on_shared_domain_in)(pw1, pw2, space, fn);
+error:
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
+ return NULL;
}
#ifndef NO_NEG
int i;
int found = 0;
isl_ctx *ctx;
- isl_dim *pnt_dim = NULL;
+ isl_space *pnt_dim = NULL;
isl_qpolynomial *qp;
if (!pw || !pnt)
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);
+ pnt_dim = isl_point_get_space(pnt);
+ isl_assert(ctx, isl_space_is_domain_internal(pnt_dim, pw->dim),
+ goto error);
for (i = 0; i < pw->n; ++i) {
found = isl_set_contains_point(pw->p[i].set, pnt);
qp = FN(EL,eval)(FN(EL,copy)(pw->p[i].FIELD),
isl_point_copy(pnt));
else
- qp = isl_qpolynomial_zero(isl_dim_copy(pw->dim));
+ qp = isl_qpolynomial_zero_on_domain(FN(PW,get_domain_space)(pw));
FN(PW,free)(pw);
- isl_dim_free(pnt_dim);
+ isl_space_free(pnt_dim);
isl_point_free(pnt);
return qp;
error:
FN(PW,free)(pw);
- isl_dim_free(pnt_dim);
+ isl_space_free(pnt_dim);
isl_point_free(pnt);
return NULL;
}
if (!pw)
return NULL;
- dom = isl_set_empty(isl_dim_copy(pw->dim));
+ dom = isl_set_empty(FN(PW,get_domain_space)(pw));
for (i = 0; i < pw->n; ++i)
dom = isl_set_union_disjoint(dom, isl_set_copy(pw->p[i].set));
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)
{
- return align_params_pw_set_and(pw, context,
+ return FN(PW,align_params_pw_set_and)(pw, 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;
return pw;
}
- if (!isl_dim_match(pw->dim, isl_dim_param,
+ if (!isl_space_match(pw->dim, isl_dim_param,
context->dim, isl_dim_param)) {
- pw = FN(PW,align_params)(pw, isl_set_get_dim(context));
- context = isl_set_align_params(context, FN(PW,get_dim)(pw));
+ pw = FN(PW,align_params)(pw, isl_set_get_space(context));
+ context = isl_set_align_params(context, FN(PW,get_space)(pw));
}
context = isl_set_compute_divs(context);
goto error;
for (i = pw->n - 1; i >= 0; --i) {
- pw->p[i].set = isl_set_intersect(pw->p[i].set,
+ isl_set *set_i;
+ int empty;
+
+ set_i = isl_set_intersect(isl_set_copy(pw->p[i].set),
isl_set_copy(context));
- if (!pw->p[i].set)
+ empty = isl_set_plain_is_empty(set_i);
+ pw->p[i].FIELD = fn_el(pw->p[i].FIELD, set_i);
+ pw->p[i].set = fn_dom(pw->p[i].set, isl_basic_set_copy(hull));
+ if (!pw->p[i].FIELD || !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)) {
+ if (empty) {
isl_set_free(pw->p[i].set);
FN(EL,free)(pw->p[i].FIELD);
if (i != pw->n - 1)
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 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)
isl_ctx *FN(PW,get_ctx)(__isl_keep PW *pw)
{
- return pw ? isl_dim_get_ctx(pw->dim) : NULL;
+ return pw ? isl_space_get_ctx(pw->dim) : NULL;
}
#ifndef NO_INVOLVES_DIMS
unsigned first, unsigned n)
{
int i;
+ enum isl_dim_type set_type;
if (!pw)
return -1;
if (pw->n == 0 || n == 0)
return 0;
+
+ set_type = type == isl_dim_in ? isl_dim_set : type;
+
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);
+ involves = isl_set_involves_dims(pw->p[i].set,
+ set_type, first, n);
if (involves < 0 || involves)
return involves;
}
enum isl_dim_type type, unsigned pos, const char *s)
{
int i;
+ enum isl_dim_type set_type;
pw = FN(PW,cow)(pw);
if (!pw)
return NULL;
- pw->dim = isl_dim_set_name(pw->dim, type, pos, s);
+ set_type = type == isl_dim_in ? isl_dim_set : type;
+
+ pw->dim = isl_space_set_dim_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);
+ pw->p[i].set = isl_set_set_dim_name(pw->p[i].set,
+ 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);
enum isl_dim_type type, unsigned first, unsigned n)
{
int i;
+ enum isl_dim_type set_type;
+
+ if (!pw)
+ return NULL;
+ if (n == 0 && !isl_space_get_tuple_name(pw->dim, type))
+ return pw;
+
+ set_type = type == isl_dim_in ? isl_dim_set : type;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return NULL;
+ pw->dim = isl_space_drop_dims(pw->dim, type, first, n);
+ if (!pw->dim)
+ goto error;
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].FIELD = FN(EL,drop_dims)(pw->p[i].FIELD, type, first, n);
+ if (!pw->p[i].FIELD)
+ goto error;
+ if (type == isl_dim_out)
+ continue;
+ pw->p[i].set = isl_set_drop(pw->p[i].set, set_type, first, n);
+ if (!pw->p[i].set)
+ goto error;
+ }
+
+ return pw;
+error:
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+/* This function is very similar to drop_dims.
+ * The only difference is that the cells may still involve
+ * the specified dimensions. They are removed using
+ * isl_set_project_out instead of isl_set_drop.
+ */
+__isl_give PW *FN(PW,project_out)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned first, unsigned n)
+{
+ int i;
+ enum isl_dim_type set_type;
if (!pw)
return NULL;
- if (n == 0 && !isl_dim_get_tuple_name(pw->dim, type))
+ if (n == 0 && !isl_space_get_tuple_name(pw->dim, type))
return pw;
+ set_type = type == isl_dim_in ? isl_dim_set : type;
+
pw = FN(PW,cow)(pw);
if (!pw)
return NULL;
- pw->dim = isl_dim_drop(pw->dim, type, first, n);
+ pw->dim = isl_space_drop_dims(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);
+ pw->p[i].set = isl_set_project_out(pw->p[i].set,
+ 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);
FN(PW,free)(pw);
return NULL;
}
+
+/* Project the domain of pw onto its parameter space.
+ */
+__isl_give PW *FN(PW,project_domain_on_params)(__isl_take PW *pw)
+{
+ isl_space *space;
+ unsigned n;
+
+ n = FN(PW,dim)(pw, isl_dim_in);
+ pw = FN(PW,project_out)(pw, isl_dim_in, 0, n);
+ space = FN(PW,get_domain_space)(pw);
+ space = isl_space_params(space);
+ pw = FN(PW,reset_domain_space)(pw, space);
+ return pw;
+}
#endif
#ifndef NO_INSERT_DIMS
unsigned first, unsigned n)
{
int i;
+ enum isl_dim_type set_type;
if (!pw)
return NULL;
- if (n == 0 && !isl_dim_is_named_or_nested(pw->dim, type))
+ if (n == 0 && !isl_space_is_named_or_nested(pw->dim, type))
return pw;
+ set_type = type == isl_dim_in ? isl_dim_set : type;
+
pw = FN(PW,cow)(pw);
if (!pw)
return NULL;
- pw->dim = isl_dim_insert(pw->dim, type, first, n);
+ pw->dim = isl_space_insert_dims(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);
+ pw->p[i].set = isl_set_insert_dims(pw->p[i].set,
+ set_type, first, n);
if (!pw->p[i].set)
goto error;
pw->p[i].FIELD = FN(EL,insert_dims)(pw->p[i].FIELD,
if (!pw)
return NULL;
+ if (type == isl_dim_in)
+ type = isl_dim_set;
+
pw = FN(PW,cow)(pw);
if (!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;
+ return pw ? isl_space_dim(pw->dim, type) : 0;
}
__isl_give PW *FN(PW,split_dims)(__isl_take PW *pw,
if (n == 0)
return pw;
+ if (type == isl_dim_in)
+ type = isl_dim_set;
+
pw = FN(PW,cow)(pw);
if (!pw)
return NULL;
return NULL;
if (pw->n == 0) {
- isl_dim *dim = isl_dim_copy(pw->dim);
+ isl_space *dim = isl_space_copy(pw->dim);
FN(PW,free)(pw);
- return isl_qpolynomial_zero(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
-__isl_give isl_dim *FN(PW,get_dim)(__isl_keep PW *pw)
+__isl_give isl_space *FN(PW,get_space)(__isl_keep PW *pw)
{
- return pw ? isl_dim_copy(pw->dim) : NULL;
+ return pw ? isl_space_copy(pw->dim) : NULL;
+}
+
+__isl_give isl_space *FN(PW,get_domain_space)(__isl_keep PW *pw)
+{
+ return pw ? isl_space_domain(isl_space_copy(pw->dim)) : NULL;
}
#ifndef NO_RESET_DIM
-__isl_give PW *FN(PW,reset_dim)(__isl_take PW *pw, __isl_take isl_dim *dim)
+/* Reset the space of "pw". Since we don't know if the elements
+ * represent the spaces themselves or their domains, we pass along
+ * both when we call their reset_space_and_domain.
+ */
+static __isl_give PW *FN(PW,reset_space_and_domain)(__isl_take PW *pw,
+ __isl_take isl_space *space, __isl_take isl_space *domain)
{
int i;
pw = FN(PW,cow)(pw);
- if (!pw || !dim)
+ if (!pw || !space || !domain)
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));
+ pw->p[i].set = isl_set_reset_space(pw->p[i].set,
+ isl_space_copy(domain));
if (!pw->p[i].set)
goto error;
- pw->p[i].FIELD = FN(EL,reset_dim)(pw->p[i].FIELD,
- isl_dim_copy(dim));
+ pw->p[i].FIELD = FN(EL,reset_space_and_domain)(pw->p[i].FIELD,
+ isl_space_copy(space), isl_space_copy(domain));
if (!pw->p[i].FIELD)
goto error;
}
- isl_dim_free(pw->dim);
- pw->dim = dim;
+
+ isl_space_free(domain);
+
+ isl_space_free(pw->dim);
+ pw->dim = space;
return pw;
error:
- isl_dim_free(dim);
+ isl_space_free(domain);
+ isl_space_free(space);
FN(PW,free)(pw);
return NULL;
}
+
+__isl_give PW *FN(PW,reset_domain_space)(__isl_take PW *pw,
+ __isl_take isl_space *domain)
+{
+ isl_space *space;
+
+ space = isl_space_extend_domain_with_range(isl_space_copy(domain),
+ FN(PW,get_space)(pw));
+ return FN(PW,reset_space_and_domain)(pw, space, domain);
+}
+
+__isl_give PW *FN(PW,reset_space)(__isl_take PW *pw, __isl_take isl_space *dim)
+{
+ isl_space *domain;
+
+ domain = isl_space_domain(isl_space_copy(dim));
+ return FN(PW,reset_space_and_domain)(pw, dim, domain);
+}
+
+__isl_give PW *FN(PW,set_tuple_id)(__isl_keep PW *pw, enum isl_dim_type type,
+ __isl_take isl_id *id)
+{
+ isl_space *space;
+
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return isl_id_free(id);
+
+ space = FN(PW,get_space)(pw);
+ space = isl_space_set_tuple_id(space, type, id);
+
+ return FN(PW,reset_space)(pw, space);
+}
+
+__isl_give PW *FN(PW,set_dim_id)(__isl_take PW *pw,
+ enum isl_dim_type type, unsigned pos, __isl_take isl_id *id)
+{
+ pw = FN(PW,cow)(pw);
+ if (!pw)
+ return isl_id_free(id);
+ pw->dim = isl_space_set_dim_id(pw->dim, type, pos, id);
+ return FN(PW,reset_space)(pw, isl_space_copy(pw->dim));
+}
#endif
-int FN(PW,has_equal_dim)(__isl_keep PW *pw1, __isl_keep PW *pw2)
+int FN(PW,has_equal_space)(__isl_keep PW *pw1, __isl_keep PW *pw2)
{
if (!pw1 || !pw2)
return -1;
- return isl_dim_equal(pw1->dim, pw2->dim);
+ return isl_space_is_equal(pw1->dim, pw2->dim);
}
#ifndef NO_MORPH
-__isl_give PW *FN(PW,morph)(__isl_take PW *pw, __isl_take isl_morph *morph)
+__isl_give PW *FN(PW,morph_domain)(__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),
+ ctx = isl_space_get_ctx(pw->dim);
+ isl_assert(ctx, isl_space_is_domain_internal(morph->dom->dim, pw->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);
+ pw->dim = isl_space_extend_domain_with_range(
+ isl_space_copy(morph->ran->dim), pw->dim);
if (!pw->dim)
goto error;
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,
+ pw->p[i].FIELD = FN(EL,morph_domain)(pw->p[i].FIELD,
isl_morph_copy(morph));
if (!pw->p[i].FIELD)
goto error;
}
#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)
lift = isl_set_lift(lift);
copy = FN(EL,copy)(el);
- copy = FN(EL,lift)(copy, isl_set_get_dim(lift));
+ copy = FN(EL,lift)(copy, isl_set_get_space(lift));
if (fn(lift, copy, user) < 0)
goto error;
if (!pw)
return NULL;
- pw->dim = isl_dim_move(pw->dim, dst_type, dst_pos, src_type, src_pos, n);
+ pw->dim = isl_space_move_dims(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].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;
+ }
+
+ if (dst_type == isl_dim_in)
+ dst_type = isl_dim_set;
+ if (src_type == isl_dim_in)
+ src_type = isl_dim_set;
+
+ 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;
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_dim *dim = FN(PW,get_dim)(pw);
+ isl_space *dim = FN(PW,get_space)(pw);
#ifdef HAS_TYPE
zero = FN(PW,ZERO)(dim, pw->type);
#else
{
return FN(PW,mul_isl_int)(pw, v);
}
+
+static int FN(PW,qsort_set_cmp)(const void *p1, const void *p2)
+{
+ isl_set *set1 = *(isl_set * const *)p1;
+ isl_set *set2 = *(isl_set * const *)p2;
+
+ return isl_set_plain_cmp(set1, set2);
+}
+
+/* We normalize in place, but if anything goes wrong we need
+ * to return NULL, so we need to make sure we don't change the
+ * meaning of any possible other copies of map.
+ */
+__isl_give PW *FN(PW,normalize)(__isl_take PW *pw)
+{
+ int i, j;
+ isl_set *set;
+
+ if (!pw)
+ return NULL;
+ for (i = 0; i < pw->n; ++i) {
+ set = isl_set_normalize(isl_set_copy(pw->p[i].set));
+ if (!set)
+ return FN(PW,free)(pw);
+ isl_set_free(pw->p[i].set);
+ pw->p[i].set = set;
+ }
+ qsort(pw->p, pw->n, sizeof(pw->p[0]), &FN(PW,qsort_set_cmp));
+ for (i = pw->n - 1; i >= 1; --i) {
+ if (!isl_set_plain_is_equal(pw->p[i - 1].set, pw->p[i].set))
+ continue;
+ if (!FN(EL,plain_is_equal)(pw->p[i - 1].FIELD, pw->p[i].FIELD))
+ continue;
+ set = isl_set_union(isl_set_copy(pw->p[i - 1].set),
+ isl_set_copy(pw->p[i].set));
+ if (!set)
+ return FN(PW,free)(pw);
+ isl_set_free(pw->p[i].set);
+ FN(EL,free)(pw->p[i].FIELD);
+ isl_set_free(pw->p[i - 1].set);
+ pw->p[i - 1].set = set;
+ for (j = i + 1; j < pw->n; ++j)
+ pw->p[j - 1] = pw->p[j];
+ pw->n--;
+ }
+
+ return pw;
+}
+
+/* Is pw1 obviously equal to pw2?
+ * That is, do they have obviously identical cells and obviously identical
+ * elements on each cell?
+ */
+int FN(PW,plain_is_equal)(__isl_keep PW *pw1, __isl_keep PW *pw2)
+{
+ int i;
+ int equal;
+
+ if (!pw1 || !pw2)
+ return -1;
+
+ if (pw1 == pw2)
+ return 1;
+ if (!isl_space_is_equal(pw1->dim, pw2->dim))
+ return 0;
+
+ pw1 = FN(PW,copy)(pw1);
+ pw2 = FN(PW,copy)(pw2);
+ pw1 = FN(PW,normalize)(pw1);
+ pw2 = FN(PW,normalize)(pw2);
+ if (!pw1 || !pw2)
+ goto error;
+
+ equal = pw1->n == pw2->n;
+ for (i = 0; equal && i < pw1->n; ++i) {
+ equal = isl_set_plain_is_equal(pw1->p[i].set, pw2->p[i].set);
+ if (equal < 0)
+ goto error;
+ if (!equal)
+ break;
+ equal = FN(EL,plain_is_equal)(pw1->p[i].FIELD, pw2->p[i].FIELD);
+ if (equal < 0)
+ goto error;
+ }
+
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
+ return equal;
+error:
+ FN(PW,free)(pw1);
+ FN(PW,free)(pw2);
+ return -1;
+}
+
+#ifndef NO_PULLBACK
+static __isl_give PW *FN(PW,align_params_pw_multi_aff_and)(__isl_take PW *pw,
+ __isl_take isl_multi_aff *ma,
+ __isl_give PW *(*fn)(__isl_take PW *pw, __isl_take isl_multi_aff *ma))
+{
+ isl_ctx *ctx;
+ isl_space *ma_space;
+
+ ma_space = isl_multi_aff_get_space(ma);
+ if (!pw || !ma || !ma_space)
+ goto error;
+ if (isl_space_match(pw->dim, isl_dim_param, ma_space, isl_dim_param)) {
+ isl_space_free(ma_space);
+ return fn(pw, ma);
+ }
+ ctx = FN(PW,get_ctx)(pw);
+ if (!isl_space_has_named_params(pw->dim) ||
+ !isl_space_has_named_params(ma_space))
+ isl_die(ctx, isl_error_invalid,
+ "unaligned unnamed parameters", goto error);
+ pw = FN(PW,align_params)(pw, ma_space);
+ ma = isl_multi_aff_align_params(ma, FN(PW,get_space)(pw));
+ return fn(pw, ma);
+error:
+ isl_space_free(ma_space);
+ FN(PW,free)(pw);
+ isl_multi_aff_free(ma);
+ return NULL;
+}
+
+static __isl_give PW *FN(PW,align_params_pw_pw_multi_aff_and)(__isl_take PW *pw,
+ __isl_take isl_pw_multi_aff *pma,
+ __isl_give PW *(*fn)(__isl_take PW *pw,
+ __isl_take isl_pw_multi_aff *ma))
+{
+ isl_ctx *ctx;
+ isl_space *pma_space;
+
+ pma_space = isl_pw_multi_aff_get_space(pma);
+ if (!pw || !pma || !pma_space)
+ goto error;
+ if (isl_space_match(pw->dim, isl_dim_param, pma_space, isl_dim_param)) {
+ isl_space_free(pma_space);
+ return fn(pw, pma);
+ }
+ ctx = FN(PW,get_ctx)(pw);
+ if (!isl_space_has_named_params(pw->dim) ||
+ !isl_space_has_named_params(pma_space))
+ isl_die(ctx, isl_error_invalid,
+ "unaligned unnamed parameters", goto error);
+ pw = FN(PW,align_params)(pw, pma_space);
+ pma = isl_pw_multi_aff_align_params(pma, FN(PW,get_space)(pw));
+ return fn(pw, pma);
+error:
+ isl_space_free(pma_space);
+ FN(PW,free)(pw);
+ isl_pw_multi_aff_free(pma);
+ return NULL;
+}
+
+/* Compute the pullback of "pw" by the function represented by "ma".
+ * In other words, plug in "ma" in "pw".
+ */
+static __isl_give PW *FN(PW,pullback_multi_aff_aligned)(__isl_take PW *pw,
+ __isl_take isl_multi_aff *ma)
+{
+ int i;
+ isl_space *space = NULL;
+
+ ma = isl_multi_aff_align_divs(ma);
+ pw = FN(PW,cow)(pw);
+ if (!pw || !ma)
+ goto error;
+
+ space = isl_space_join(isl_multi_aff_get_space(ma),
+ FN(PW,get_space)(pw));
+
+ for (i = 0; i < pw->n; ++i) {
+ pw->p[i].set = isl_set_preimage_multi_aff(pw->p[i].set,
+ isl_multi_aff_copy(ma));
+ if (!pw->p[i].set)
+ goto error;
+ pw->p[i].FIELD = FN(EL,pullback_multi_aff)(pw->p[i].FIELD,
+ isl_multi_aff_copy(ma));
+ if (!pw->p[i].FIELD)
+ goto error;
+ }
+
+ pw = FN(PW,reset_space)(pw, space);
+ isl_multi_aff_free(ma);
+ return pw;
+error:
+ isl_space_free(space);
+ isl_multi_aff_free(ma);
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+__isl_give PW *FN(PW,pullback_multi_aff)(__isl_take PW *pw,
+ __isl_take isl_multi_aff *ma)
+{
+ return FN(PW,align_params_pw_multi_aff_and)(pw, ma,
+ &FN(PW,pullback_multi_aff_aligned));
+}
+
+/* Compute the pullback of "pw" by the function represented by "pma".
+ * In other words, plug in "pma" in "pw".
+ */
+static __isl_give PW *FN(PW,pullback_pw_multi_aff_aligned)(__isl_take PW *pw,
+ __isl_take isl_pw_multi_aff *pma)
+{
+ int i;
+ PW *res;
+
+ if (!pma)
+ goto error;
+
+ if (pma->n == 0) {
+ isl_pw_multi_aff_free(pma);
+ res = FN(PW,empty)(FN(PW,get_space)(pw));
+ FN(PW,free)(pw);
+ return res;
+ }
+
+ res = FN(PW,pullback_multi_aff)(FN(PW,copy)(pw),
+ isl_multi_aff_copy(pma->p[0].maff));
+ res = FN(PW,intersect_domain)(res, isl_set_copy(pma->p[0].set));
+
+ for (i = 1; i < pma->n; ++i) {
+ PW *res_i;
+
+ res_i = FN(PW,pullback_multi_aff)(FN(PW,copy)(pw),
+ isl_multi_aff_copy(pma->p[i].maff));
+ res_i = FN(PW,intersect_domain)(res_i,
+ isl_set_copy(pma->p[i].set));
+ res = FN(PW,add_disjoint)(res, res_i);
+ }
+
+ isl_pw_multi_aff_free(pma);
+ FN(PW,free)(pw);
+ return res;
+error:
+ isl_pw_multi_aff_free(pma);
+ FN(PW,free)(pw);
+ return NULL;
+}
+
+__isl_give PW *FN(PW,pullback_pw_multi_aff)(__isl_take PW *pw,
+ __isl_take isl_pw_multi_aff *pma)
+{
+ return FN(PW,align_params_pw_pw_multi_aff_and)(pw, pma,
+ &FN(PW,pullback_pw_multi_aff_aligned));
+}
+#endif
projects / platform / upstream / isl.git / blobdiff