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#include <isl_pw_macro.h>
/* Fix the value of the given parameter or domain dimension of "pw"
* to be equal to "value".
*/
__isl_give PW *FN(PW,fix_si)(__isl_take PW *pw, enum isl_dim_type type,
unsigned pos, int value)
{
int i;
isl_size n;
n = FN(PW,n_piece)(pw);
if (n < 0)
return FN(PW,free)(pw);
if (type == isl_dim_out)
isl_die(FN(PW,get_ctx)(pw), isl_error_invalid,
"cannot fix output dimension", return FN(PW,free)(pw));
if (type == isl_dim_in)
type = isl_dim_set;
for (i = n - 1; i >= 0; --i) {
isl_set *domain;
domain = FN(PW,take_domain_at)(pw, i);
domain = isl_set_fix_si(domain, type, pos, value);
pw = FN(PW,restore_domain_at)(pw, i, domain);
pw = FN(PW,exploit_equalities_and_remove_if_empty)(pw, i);
}
return pw;
}
/* Fix the value of the variable at position "pos" of type "type" of "pw"
* to be equal to "v".
*/
__isl_give PW *FN(PW,fix_val)(__isl_take PW *pw,
enum isl_dim_type type, unsigned pos, __isl_take isl_val *v)
{
int i;
isl_size n;
if (!v)
return FN(PW,free)(pw);
if (!isl_val_is_int(v))
isl_die(FN(PW,get_ctx)(pw), isl_error_invalid,
"expecting integer value", goto error);
n = FN(PW,n_piece)(pw);
if (n < 0)
goto error;
if (type == isl_dim_in)
type = isl_dim_set;
for (i = 0; i < n; ++i) {
isl_set *domain;
domain = FN(PW,take_domain_at)(pw, i);
domain = isl_set_fix(domain, type, pos, v->n);
pw = FN(PW,restore_domain_at)(pw, i, domain);
pw = FN(PW,exploit_equalities_and_remove_if_empty)(pw, i);
}
isl_val_free(v);
return pw;
error:
isl_val_free(v);
return FN(PW,free)(pw);
}
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