isl_pw_move_dims_templ.c

   1 /*
   2  * Copyright 2010      INRIA Saclay
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   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, France
   9  */
  10
  11 __isl_give PW *FN(PW,move_dims)(__isl_take PW *pw,
  12         enum isl_dim_type dst_type, unsigned dst_pos,
  13         enum isl_dim_type src_type, unsigned src_pos, unsigned n)
  14 {
  15         int i;
  16         isl_size n_piece;
  17         isl_space *space;
  18
  19         space = FN(PW,take_space)(pw);
  20         space = isl_space_move_dims(space, dst_type, dst_pos,
  21                                     src_type, src_pos, n);
  22         pw = FN(PW,restore_space)(pw, space);
  23
  24         n_piece = FN(PW,n_piece)(pw);
  25         if (n_piece < 0)
  26                 return FN(PW,free)(pw);
  27
  28         for (i = 0; i < n_piece; ++i) {
  29                 EL *el;
  30
  31                 el = FN(PW,take_base_at)(pw, i);
  32                 el = FN(EL,move_dims)(el,
  33                                         dst_type, dst_pos, src_type, src_pos, n);
  34                 pw = FN(PW,restore_base_at)(pw, i, el);
  35         }
  36
  37         if (dst_type == isl_dim_in)
  38                 dst_type = isl_dim_set;
  39         if (src_type == isl_dim_in)
  40                 src_type = isl_dim_set;
  41
  42         for (i = 0; i < n_piece; ++i) {
  43                 isl_set *domain;
  44
  45                 domain = FN(PW,take_domain_at)(pw, i);
  46                 domain = isl_set_move_dims(domain, dst_type, dst_pos,
  47                                                 src_type, src_pos, n);
  48                 pw = FN(PW,restore_domain_at)(pw, i, domain);
  49         }
  50
  51         return pw;
  52 }