/* Test Pointset_Powerset<Box>::geometrically_covers().
   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
   Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)

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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://bugseng.com/products/ppl/ . */

#include "ppl_test.hh"

namespace {

bool
test01() {
  Variable x(0);

  Constraint_System cs1, cs2, cs3, cs4;
  cs1.insert(x >= 0);
  cs1.insert(x <= 4);
  cs2.insert(x >= 4);
  cs2.insert(x <= 6);
  cs3.insert(x >= 1);
  cs3.insert(x <= 5);
  TBox box1(cs1);
  TBox box2(cs2);
  TBox box3(cs3);

  Pointset_Powerset<TBox> ps12(1, EMPTY);
  ps12.add_disjunct(box1);
  ps12.add_disjunct(box2);

  Pointset_Powerset<TBox> ps3(1, EMPTY);
  ps3.add_disjunct(box3);

  using namespace IO_Operators;
  nout << "ps12 = " << ps12 << endl
       << " ps3 = " << ps3 << endl;

  if (ps12.geometrically_covers(ps3)) {

    nout << "ps12 covers ps3." << endl;

    return true;
  }
  else {

    nout << "ps12 does not cover ps3." << endl;

    return false;
  }
}

} // namespace

BEGIN_MAIN
  DO_TEST(test01);
END_MAIN
