isl_pw_move_dims_templ.c

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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,move_dims)(__isl_take PW *pw,
  enum isl_dim_type dst_type, unsigned dst_pos,
  enum isl_dim_type src_type, unsigned src_pos, unsigned n)
{
  int i;
  isl_size n_piece;
  isl_space *space;
 
  space = FN(PW,take_space)(pw);
  space = isl_space_move_dims(space, dst_type, dst_pos,
            src_type, src_pos, n);
  pw = FN(PW,restore_space)(pw, space);
 
  n_piece = FN(PW,n_piece)(pw);
  if (n_piece < 0)
    return FN(PW,free)(pw);
 
  for (i = 0; i < n_piece; ++i) {
    EL *el;
 
    el = FN(PW,take_base_at)(pw, i);
    el = FN(EL,move_dims)(el,
          dst_type, dst_pos, src_type, src_pos, n);
    pw = FN(PW,restore_base_at)(pw, i, el);
  }
 
  if (dst_type == isl_dim_in)
    dst_type = isl_dim_set;
  if (src_type == isl_dim_in)
    src_type = isl_dim_set;
 
  for (i = 0; i < n_piece; ++i) {
    isl_set *domain;
 
    domain = FN(PW,take_domain_at)(pw, i);
    domain = isl_set_move_dims(domain, dst_type, dst_pos,
            src_type, src_pos, n);
    pw = FN(PW,restore_domain_at)(pw, i, domain);
  }
 
  return pw;
}