+#include <isl/aff.h>
+
#define xFN(TYPE,NAME) TYPE ## _ ## NAME
#define FN(TYPE,NAME) xFN(TYPE,NAME)
#define xS(TYPE,NAME) struct TYPE ## _ ## NAME
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)
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,
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))
{
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))
{
}
#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 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.
__isl_give PW *FN(PW,add_disjoint)(__isl_take PW *pw1, __isl_take PW *pw2)
{
- return align_params_pw_pw_and(pw1, pw2, &FN(PW,add_disjoint_aligned));
+ 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;
+}
+
+/* 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))
+{
+ 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
goto error;
ctx = isl_point_get_ctx(pnt);
pnt_dim = isl_point_get_space(pnt);
- isl_assert(ctx, isl_space_is_domain(pnt_dim, pw->dim), goto error);
+ 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);
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;
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)
- 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)
+ 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;
- 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)
if (!pw->dim)
goto error;
for (i = 0; i < pw->n; ++i) {
- pw->p[i].set = isl_set_drop(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);
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;
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),
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_space)(__isl_keep PW *pw1, __isl_keep PW *pw2)
goto error;
ctx = isl_space_get_ctx(pw->dim);
- isl_assert(ctx, isl_space_is_domain(morph->dom->dim, pw->dim),
+ isl_assert(ctx, isl_space_is_domain_internal(morph->dom->dim, pw->dim),
goto error);
pw = FN(PW,cow)(pw);
}
#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
static int FN(PW,qsort_set_cmp)(const void *p1, const void *p2)
{
- const isl_set *set1 = *(const isl_set **)p1;
- const isl_set *set2 = *(const isl_set **)p2;
+ isl_set *set1 = *(isl_set * const *)p1;
+ isl_set *set2 = *(isl_set * const *)p2;
return isl_set_plain_cmp(set1, set2);
}
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