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/* Test Pointset_Powerset<PH>::BHZ03_widening_assign().
Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
Copyright (C) 2010-2011 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://www.cs.unipr.it/ppl/ . */
#include "ppl_test.hh"
namespace {
bool
test01() {
Variable A(0);
Variable B(1);
typedef Pointset_Powerset<TBD_Shape> PSet;
TBD_Shape p(2);
TBD_Shape q(2);
TBD_Shape r(2);
TBD_Shape s(2);
p.add_constraint(A >= 1);
p.add_constraint(B == 0);
q.add_constraint(A >= 2);
q.add_constraint(A <= 7);
q.add_constraint(B == 1);
r.add_constraint(A >= 3);
r.add_constraint(A <= 8);
r.add_constraint(B == 1);
s.add_constraint(A >= 1);
s.add_constraint(A <= 6);
s.add_constraint(B == 1);
PSet P(2, EMPTY);
P.add_disjunct(p);
P.add_disjunct(q);
P.add_disjunct(r);
P.add_disjunct(s);
PSet Q(2, EMPTY);
Q.add_disjunct(p);
Q.add_disjunct(q);
Q.add_disjunct(s);
using namespace IO_Operators;
nout << "P = " << P << endl
<< "Q = " << Q << endl;
PSet old_P = P;
P.BHZ03_widening_assign<H79_Certificate>
(Q, widen_fun_ref(&TBD_Shape::H79_widening_assign));
nout << "P.BHZ03(Q, H79)" << " = " << P << endl;
return P.geometrically_covers(old_P) && P.geometrically_covers(Q);
}
} // namespace
BEGIN_MAIN
DO_TEST(test01);
END_MAIN
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