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/* Test BD_Shape::congruences().
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);
TBD_Shape bds1(2);
bds1.add_congruence((0*A %= 1) / 0);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Constraint_System cs = bds1.minimized_constraints();
print_constraints(cs, "*** cs ***");
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(cgs);
print_constraints(bds2, "*** bds2 ***");
bool ok = check_result(bds2, known_result);
print_congruences(cgs, "*** cgs ***");
return ok;
}
bool
test02() {
TBD_Shape bds1(3, EMPTY);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(cgs);
bool ok = check_result(bds2, known_result);
print_congruences(cgs, "*** cgs ***");
return ok;
}
bool
test03() {
Variable x(0);
Variable y(1);
Variable z(2);
TBD_Shape bds1(3);
bds1.add_congruence((x %= 1) / 0);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(3);
bds2.add_congruences(cgs);
bool ok = check_result(bds2, known_result);
print_constraints(bds2, "*** bds2 ***");
return ok;
}
bool
test04() {
TBD_Shape bds1(0, EMPTY);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
print_constraints(bds1, "*** bds1 ***");
TBD_Shape bds2(cgs.space_dimension(), EMPTY);
print_constraints(bds2, "*** bds2 ***");
bool ok = check_result(bds2, known_result);
print_congruences(cgs, "*** cgs ***");
return ok;
}
bool
test05() {
TBD_Shape bds1(0);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(cgs);
bool ok = check_result(bds2, known_result);
print_congruences(cgs, "*** cgs ***");
return ok;
}
bool
test06() {
Variable x(0);
Variable y(1);
Variable z(2);
TBD_Shape bds(3);
bds.add_congruence((x %= 1) / 0);
bds.add_congruence((x %= 2) / 0);
print_constraints(bds, "*** bds ***");
BD_Shape<mpq_class> known_result(bds.space_dimension(), EMPTY);
Congruence_System cgs = bds.congruences();
TBD_Shape bds1(3);
bds1.add_congruences(bds.congruences());
bool ok = check_result(bds, bds1) && check_result(bds1, known_result);
print_constraints(bds1, "*** bds1 ***");
return ok;
}
bool
test07() {
TBD_Shape bds1(0, EMPTY);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(cgs.space_dimension(), EMPTY);
bds2.add_congruences(cgs);
bool b = !bds2.is_empty();
bool ok = !b && check_result(bds2, known_result);
print_congruences(cgs, "*** cgs ***");
return ok;
}
bool
test08() {
Variable x(0);
Variable y(1);
Variable z(2);
TBD_Shape bds1(3);
bds1.refine_with_congruence((x %= 1) / 0);
bds1.refine_with_congruence((y %= 3) / 2);
bds1.refine_with_congruence((y - z %= 0) / 3);
print_constraints(bds1, "*** bds1 ***");
BD_Shape<mpq_class> known_result(bds1);
Congruence_System cgs = bds1.congruences();
TBD_Shape bds2(3);
bds2.add_congruences(cgs);
bool ok = check_result(bds2, known_result);
print_constraints(bds2, "*** bds2 ***");
return ok;
}
} // namespace
BEGIN_MAIN
DO_TEST(test01);
DO_TEST(test02);
DO_TEST(test03);
DO_TEST(test04);
DO_TEST(test05);
DO_TEST(test06);
DO_TEST(test07);
DO_TEST(test08);
END_MAIN
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