/* Test Polyhedron::concatenate_assign().
   Copyright (C) 2001-2004 Roberto Bagnara <bagnara@cs.unipr.it>

This file is part of the Parma Polyhedra Library (PPL).

The PPL is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

The PPL is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://www.cs.unipr.it/ppl/ . */

#include "ppl_test.hh"

using namespace std;
using namespace Parma_Polyhedra_Library;

#ifndef NOISY
#define NOISY 0
#endif

int
main() TRY {
  set_handlers();

  Variable x(0);
  Variable y(1);
  Variable z(2);
  Variable w(3);
  ConSys cs1;
  cs1.insert(x >= 0);
  cs1.insert(y >= 0);
  cs1.insert(x - y >= 0);
  C_Polyhedron ph(cs1);

#if NOISY
  print_constraints(ph, "*** ph before ***");
#endif

  ConSys cs2;
  cs2.insert(x >= 1);
  cs2.insert(y >= 1);
  cs2.insert(x - y >= -1);
  C_Polyhedron qh(cs2);

  C_Polyhedron copy_ph = ph;

  ph.concatenate_assign(qh);

  copy_ph.add_dimensions_and_embed(2);
  copy_ph.add_constraint(z >= 1);
  copy_ph.add_constraint(w >= 1);
  copy_ph.add_constraint(z - w >= -1);

  int retval = (ph == copy_ph) ? 0 : 1;

#if NOISY
  print_constraints(ph, "*** concatenate_assign ***");
  print_constraints(copy_ph, "*** embed + renaming + insert ***");
#endif

  return retval;
}
CATCH