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/* Test Pointset_Powerset<PH>::add_space_dimensions(),
Pointset_Powerset<PH>::remove_higher_space_dimensions(),
Pointset_Powerset<PH>::remove_space_dimensions(),
Pointset_Powerset<PH>::expand_space_dimensions(),
Pointset_Powerset<PH>::fold_space_dimensions().
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 {
// Powerset of C polyhedra: add_space_dimensions_and_embed(),
// add_space_dimensions_and_project().
bool
test01() {
Variable x(0);
C_Polyhedron ph1(1);
ph1.add_constraint(x == 1);
C_Polyhedron ph2(1);
ph2.add_constraint(x <= 2);
Pointset_Powerset<C_Polyhedron> ps(1, EMPTY);
ps.add_disjunct(ph1);
ps.add_disjunct(ph2);
dimension_type m = 2;
ps.add_space_dimensions_and_embed(m);
bool ok = (ps.space_dimension() == 3 && ps.affine_dimension() == 3);
ps.add_space_dimensions_and_project(m);
bool ok1 = (ps.space_dimension() == 5 && ps.affine_dimension() == 3);
ps.remove_higher_space_dimensions(4);
bool ok2 = (ps.space_dimension() == 4 && ps.affine_dimension() == 3);
Pointset_Powerset<Rational_Box> psb(7, EMPTY);
Rational_Box b(7);
b.add_constraint(x >= 1);
b.add_constraint(x <= 0);
psb.add_disjunct(b);
bool ok3 = (psb.space_dimension() == 7 && psb.affine_dimension() == 0);
Pointset_Powerset<Grid> psg(7, EMPTY);
Grid g(7);
g.add_congruence((x %= 0) / 2);
g.add_congruence((x %= 1) / 2);
psg.add_disjunct(g);
bool ok4 = (psg.space_dimension() == 7 && psg.affine_dimension() == 0);
return ok && ok1 && ok2 && ok3 && ok4 && ps.OK();
}
// Powerset of C polyhedra: remove_higher_space_dimensions().
bool
test02() {
Variable x(0);
C_Polyhedron ph1(1);
ph1.add_constraint(x == 1);
C_Polyhedron ph2(1);
ph2.add_constraint(x <= 2);
Pointset_Powerset<C_Polyhedron> ps(1, EMPTY);
ps.add_disjunct(ph1);
ps.add_disjunct(ph2);
dimension_type m = 2;
ps.add_space_dimensions_and_embed(m);
bool ok = (ps.space_dimension() == 3 && ps.affine_dimension() == 3);
ps.add_space_dimensions_and_project(m);
bool ok1 = (ps.space_dimension() == 5 && ps.affine_dimension() == 3);
ps.remove_higher_space_dimensions(4);
bool ok2 = (ps.space_dimension() == 4 && ps.affine_dimension() == 3);
Pointset_Powerset<Rational_Box> psb(7, EMPTY);
Rational_Box b(7);
b.add_constraint(x >= 1);
b.add_constraint(x <= 0);
psb.add_disjunct(b);
bool ok3 = (psb.space_dimension() == 7 && psb.affine_dimension() == 0);
Pointset_Powerset<Grid> psg(7, EMPTY);
Grid g(7);
g.add_congruence((x %= 0) / 2);
g.add_congruence((x %= 1) / 2);
psg.add_disjunct(g);
bool ok4 = (psg.space_dimension() == 7 && psg.affine_dimension() == 0);
return ok && ok1 && ok2 && ok3 && ok4 && ps.OK();
}
// Powerset of C polyhedra: remove_space_dimensions().
bool
test03() {
Variable x(0);
Variable y(1);
Variable z(2);
Variable w(3);
C_Polyhedron ph1(4);
ph1.add_constraint(x == 1);
ph1.add_constraint(z == 1);
C_Polyhedron ph2(4);
ph2.add_constraint(x <= 2);
ph2.add_constraint(z == 1);
Pointset_Powerset<C_Polyhedron> ps(4, EMPTY);
ps.add_disjunct(ph1);
ps.add_disjunct(ph2);
Variables_Set to_be_removed;
to_be_removed.insert(y);
to_be_removed.insert(w);
ps.remove_space_dimensions(to_be_removed);
bool ok = (ps.space_dimension() == 2 && ps.affine_dimension() == 1);
return ok && ps.OK();
}
// Powerset of C polyhedra: expand_space_dimension().
bool
test04() {
Variable x(0);
Variable y(1);
Variable z(2);
Variable w(3);
C_Polyhedron ph1(4);
ph1.add_constraint(x == 1);
ph1.add_constraint(z == 1);
C_Polyhedron ph2(4);
ph2.add_constraint(x <= 2);
ph2.add_constraint(z == 1);
Pointset_Powerset<C_Polyhedron> ps(4, EMPTY);
ps.add_disjunct(ph1);
ps.add_disjunct(ph2);
ps.expand_space_dimension(y, 2);
bool ok = (ps.space_dimension() == 6 && ps.affine_dimension() == 5);
return ok && ps.OK();
}
// Powerset of C polyhedra: fold_space_dimensions().
bool
test05() {
Variable x(0);
Variable y(1);
Variable z(2);
Variable w(3);
C_Polyhedron ph1(4);
ph1.add_constraint(x == 1);
ph1.add_constraint(z == 1);
C_Polyhedron ph2(4);
ph2.add_constraint(x <= 2);
ph2.add_constraint(z == 1);
Pointset_Powerset<C_Polyhedron> ps(4, EMPTY);
ps.add_disjunct(ph1);
ps.add_disjunct(ph2);
Variables_Set to_be_folded;
to_be_folded.insert(y);
to_be_folded.insert(w);
ps.fold_space_dimensions(to_be_folded, z);
bool ok = (ps.space_dimension() == 2 && ps.affine_dimension() == 2);
return ok && ps.OK();
}
} // namespace
BEGIN_MAIN
DO_TEST(test01);
DO_TEST(test02);
DO_TEST(test03);
DO_TEST(test04);
DO_TEST(test05);
END_MAIN
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