/* Test Polyhedron::is_topologically_closed(): a polyhedron described by a system of generators composed by a point, a line and an unmatched closure point lying on the same line of the point is topologically closed. Copyright (C) 2001-2004 Roberto Bagnara 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 A(0); Variable B(1); GenSys gs; gs.insert(point(0*B)); gs.insert(closure_point(-A)); gs.insert(closure_point(A)); gs.insert(line(A)); NNC_Polyhedron ph(gs); bool ok = ph.is_topologically_closed(); #if NOISY print_constraints(ph, "*** ph ***"); print_generators(ph, "*** ph ***"); #endif return ok ? 0 : 1; } CATCH