isl_pw_split_dims_templ.c

Go to the documentation of this file.

/*
 * 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
 */
 
#include <isl_pw_macro.h>
 
__isl_give PW *FN(PW,split_dims)(__isl_take PW *pw,
  enum isl_dim_type type, unsigned first, unsigned n)
{
  int i;
  isl_size n_piece;
 
  n_piece = FN(PW,n_piece)(pw);
  if (n_piece < 0)
    return FN(PW,free)(pw);
  if (n == 0)
    return pw;
 
  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_split_dims(domain, type, first, n);
    pw = FN(PW,restore_domain_at)(pw, i, domain);
  }
 
  return pw;
}