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/* Test BD_Shape::BD_Shape(const Box<Interval>&).
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 {
// Universe box.
bool
test01() {
Rational_Box box(2);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A 2D box which is a line parallel to the x axis.
bool
test02() {
Variable B(1);
Rational_Box box(2);
box.add_constraint(3*B == 2);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(3*B == 2);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A 2D box that is a point, with divisors.
bool
test03() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(3*A == -2);
box.add_constraint(B == -10);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(3*A == -2);
known_bds.add_constraint(B == -10);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
print_constraints(known_bds, "*** bds(box) ***");
return ok;
}
// A 3D box which is a 2D plane.
bool
test04() {
Variable A(0);
Variable B(1);
Variable C(2);
Rational_Box box(3);
box.add_constraint(5*C == 15);
TBD_Shape bds(box);
TBD_Shape known_bds(3);
known_bds.add_constraint(5*C == 15);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Zero-dimensional box.
bool
test05() {
Rational_Box box(0);
TBD_Shape bds(box);
TBD_Shape known_bds;
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Empty box in 2D.
bool
test06() {
Rational_Box box(2);
box.set_empty();
TBD_Shape bds(box);
TBD_Shape known_bds(2, EMPTY);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A 4D box containing a single 3D space.
bool
test07() {
Variable A(0);
Variable B(1);
Variable C(2);
Variable D(3);
Rational_Box box(4);
box.add_constraint(D == 4);
TBD_Shape bds(box);
TBD_Shape known_bds(4);
known_bds.add_constraint(D == 4);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Unit square.
bool
test08() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(A >= 0);
box.add_constraint(A <= 1);
box.add_constraint(B >= 0);
box.add_constraint(B <= 1);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(A >= 0);
known_bds.add_constraint(A <= 1);
known_bds.add_constraint(B >= 0);
known_bds.add_constraint(B <= 1);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Simple box with divisor and an interval bounded only from below.
bool
test09() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(A >= 0);
box.add_constraint(2*B == 1);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(A >= 0);
known_bds.add_constraint(2*B == 1);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Box with a dimension bounded only from above.
bool
test10() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(7*A <= 3);
box.add_constraint(2*B == 1);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(7*A <= 3);
known_bds.add_constraint(2*B == 1);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A box having a dimension with an open bound, where
// the open bound makes the box empty.
bool
test11() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(7*A == 3);
box.add_constraint(2*B >= 1);
box.add_constraint(2*B <= 0);
TBD_Shape bds(box);
TBD_Shape known_bds(2, EMPTY);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// Zero-dimensional empty box.
bool
test12() {
Rational_Box box(0);
box.set_empty();
TBD_Shape bds(box);
TBD_Shape known_bds(0, EMPTY);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A box from a higher dimension.
bool
test13() {
Variable A(0);
Variable B(1);
Variable C(2);
Variable D(3);
Variable E(4);
Variable F(5);
Rational_Box box(6);
box.add_constraint(3*A == -2);
box.add_constraint(4*B == -11);
box.add_constraint(3*D == 18);
box.add_constraint(7*E == 15);
box.add_constraint(7*F == -15);
TBD_Shape bds(box);
TBD_Shape known_bds(6);
known_bds.add_constraint(3*A == -2);
known_bds.add_constraint(4*B == -11);
known_bds.add_constraint(3*D == 18);
known_bds.add_constraint(7*E == 15);
known_bds.add_constraint(7*F == -15);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
// A box having a dimension with an open bound, where
// the open bound does not make the box empty.
bool
test14() {
Variable A(0);
Variable B(1);
Rational_Box box(2);
box.add_constraint(7*A == 3);
box.add_constraint(2*B >= 1);
box.add_constraint(B >= 1);
TBD_Shape bds(box);
TBD_Shape known_bds(2);
known_bds.add_constraint(7*A == 3);
known_bds.add_constraint(2*B >= 1);
known_bds.add_constraint(B >= 1);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
return ok;
}
bool
test15() {
Variable A(0);
Rational_Box box(1);
box.add_constraint(A >= 5);
box.add_constraint(A <= -5);
TBD_Shape bds(box);
TBD_Shape known_bds(1, EMPTY);
bool ok = (bds == known_bds);
print_constraints(bds, "*** bds(box) ***");
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);
DO_TEST(test09);
DO_TEST(test10);
DO_TEST(test11);
DO_TEST(test12);
DO_TEST(test13);
DO_TEST(test14);
DO_TEST(test15);
END_MAIN
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