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1/*2 * Copyright 2010 INRIA Saclay3 *4 * Use of this software is governed by the MIT license5 *6 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,7 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,8 * 91893 Orsay, France9 */10 11__isl_give PW *FN(PW,insert_dims)(__isl_take PW *pw, enum isl_dim_type type,12 unsigned first, unsigned n)13{14 int i;15 isl_size n_piece;16 enum isl_dim_type set_type;17 isl_space *space;18 19 n_piece = FN(PW,n_piece)(pw);20 if (n_piece < 0)21 return FN(PW,free)(pw);22 if (n == 0 && !isl_space_is_named_or_nested(pw->dim, type))23 return pw;24 25 set_type = type == isl_dim_in ? isl_dim_set : type;26 27 space = FN(PW,take_space)(pw);28 space = isl_space_insert_dims(space, type, first, n);29 pw = FN(PW,restore_space)(pw, space);30 31 for (i = 0; i < n_piece; ++i) {32 isl_set *domain;33 EL *el;34 35 domain = FN(PW,take_domain_at)(pw, i);36 domain = isl_set_insert_dims(domain, set_type, first, n);37 pw = FN(PW,restore_domain_at)(pw, i, domain);38 el = FN(PW,take_base_at)(pw, i);39 el = FN(EL,insert_dims)(el, type, first, n);40 pw = FN(PW,restore_base_at)(pw, i, el);41 }42 43 return pw;44}45 46__isl_give PW *FN(PW,add_dims)(__isl_take PW *pw, enum isl_dim_type type,47 unsigned n)48{49 isl_size pos;50 51 pos = FN(PW,dim)(pw, type);52 if (pos < 0)53 return FN(PW,free)(pw);54 55 return FN(PW,insert_dims)(pw, type, pos, n);56}57