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/*
* Copyright 2010 INRIA Saclay
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
* Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
* 91893 Orsay, France
*/
__isl_give PW *FN(PW,insert_dims)(__isl_take PW *pw, enum isl_dim_type type,
unsigned first, unsigned n)
{
int i;
isl_size n_piece;
enum isl_dim_type set_type;
isl_space *space;
n_piece = FN(PW,n_piece)(pw);
if (n_piece < 0)
return FN(PW,free)(pw);
if (n == 0 && !isl_space_is_named_or_nested(pw->dim, type))
return pw;
set_type = type == isl_dim_in ? isl_dim_set : type;
space = FN(PW,take_space)(pw);
space = isl_space_insert_dims(space, type, first, n);
pw = FN(PW,restore_space)(pw, space);
for (i = 0; i < n_piece; ++i) {
isl_set *domain;
EL *el;
domain = FN(PW,take_domain_at)(pw, i);
domain = isl_set_insert_dims(domain, set_type, first, n);
pw = FN(PW,restore_domain_at)(pw, i, domain);
el = FN(PW,take_base_at)(pw, i);
el = FN(EL,insert_dims)(el, type, first, n);
pw = FN(PW,restore_base_at)(pw, i, el);
}
return pw;
}
__isl_give PW *FN(PW,add_dims)(__isl_take PW *pw, enum isl_dim_type type,
unsigned n)
{
isl_size pos;
pos = FN(PW,dim)(pw, type);
if (pos < 0)
return FN(PW,free)(pw);
return FN(PW,insert_dims)(pw, type, pos, n);
}
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