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/* Test BD_Shape::concatenate_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 x1(0);
Variable x2(1);
Variable x3(2);
// Variable x4(3);
Variable x5(4);
Variable x6(5);
// Variable x7(6);
Variable x8(7);
Variable x9(8);
TBD_Shape bds1(6);
bds1.add_constraint(x2 - x3 <= 0);
bds1.add_constraint(x3 <= 2);
bds1.add_constraint(x6 - x5 <= 2);
bds1.add_constraint(x5 <= 3);
TBD_Shape bds2(3);
bds2.add_constraint(x2 - x3 <= 2);
bds2.add_constraint(x3 <= 7);
print_constraints(bds1, "*** bds1 ***");
print_constraints(bds2, "*** bds2 ***");
bds1.concatenate_assign(bds2);
BD_Shape<mpq_class> known_result(9);
known_result.add_constraint(x2 - x3 <= 0);
known_result.add_constraint(x3 <= 2);
known_result.add_constraint(x6 - x5 <= 2);
known_result.add_constraint(x5 <= 3);
known_result.add_constraint(x8 - x9 <= 2);
known_result.add_constraint(x9 <= 7);
bool ok = check_result(bds1, known_result);
print_constraints(bds1, "*** bds1.concatenate_assign(bds2) ***");
return ok;
}
bool
test02() {
Variable x(0);
Variable y(1);
TBD_Shape bds1(2);
bds1.add_constraint(x <= 3);
bds1.add_constraint(x - y <= 4);
TBD_Shape bds2(0, EMPTY);
print_constraints(bds1, "*** bds1 ***");
print_constraints(bds2, "*** bds2 ***");
bds2.concatenate_assign(bds1);
BD_Shape<mpq_class> known_result(2, EMPTY);
bool ok = check_result(bds2, known_result);
print_constraints(bds2, "*** bds2.concatenate_assign(bds1) ***");
return ok;
}
bool
test03() {
Variable x(0);
Variable y(1);
Constraint_System cs;
cs.insert(x <= 0);
cs.insert(y == 3);
cs.insert(3*x - 3*y <= 5);
TBD_Shape bds1(2);
bds1.add_constraints(cs);
TBD_Shape bds2(0);
print_constraints(bds1, "*** bds1 ***");
print_constraints(bds2, "*** bds2 ***");
bds1.concatenate_assign(bds2);
BD_Shape<mpq_class> known_result(2);
known_result.add_constraint(x <= 0);
known_result.add_constraint(y == 3);
known_result.add_constraint(x - y <= 2);
bool ok = check_result(bds1, known_result);
print_constraints(bds1, "*** bds1.concatenate_assign(bds2) ***");
return ok;
}
bool
test04() {
Variable A(0);
Variable B(1);
Variable C(2);
Variable D(3);
Variable E(4);
TBD_Shape bds1(3);
bds1.add_constraint(A >= 0);
bds1.add_constraint(B >= 0);
bds1.add_constraint(C >= 0);
TBD_Shape bds2(2);
bds2.add_constraint(A >= 0);
bds2.add_constraint(A <= 1);
bds2.add_constraint(B >= 0);
bds2.add_constraint(B <= 2);
bds2.add_constraint(A - B <= 0);
bds2.add_constraint(B - A <= 1);
print_constraints(bds1, "*** bds1 ***");
print_constraints(bds2, "*** bds2 ***");
bds1.concatenate_assign(bds2);
BD_Shape<mpq_class> known_result(5);
known_result.add_constraint(A >= 0);
known_result.add_constraint(B >= 0);
known_result.add_constraint(C >= 0);
known_result.add_constraint(D >= 0);
known_result.add_constraint(D <= 1);
known_result.add_constraint(E >= 0);
known_result.add_constraint(E <= 2);
known_result.add_constraint(D - E <= 0);
known_result.add_constraint(E - D <= 1);
bool ok = check_result(bds1, known_result);
print_constraints(bds1, "*** bds1.concatenate_assign(bds2) ***");
return ok;
}
bool
test05() {
Variable x(0);
Variable y(1);
TBD_Shape bds1(2);
bds1.add_constraint(x <= 3);
bds1.add_constraint(x - y <= 4);
TBD_Shape bds2(0, EMPTY);
print_constraints(bds1, "*** bds1 ***");
print_constraints(bds2, "*** bds2 ***");
bds1.concatenate_assign(bds2);
BD_Shape<mpq_class> known_result(2, EMPTY);
bool ok = check_result(bds1, known_result);
print_constraints(bds1, "*** bds1.concatenate_assign(bds2) ***");
return 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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