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* these are dependencies for gcc 4 Graphite engine build. * CLooG 0.18.0 includes ISL 0.11.1 which is the backend that the build script enables. * PPL is needed by GCC build even if it isn't the chosen backend.
121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
/* Test Box::CC76_widening_assign().
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Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
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Copyright (C) 2010-2011 BUGSENG srl (http://bugseng.com)
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This file is part of the Parma Polyhedra Library (PPL).
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The PPL is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The PPL is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
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For the most up-to-date information see the Parma Polyhedra Library
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site: http://www.cs.unipr.it/ppl/ . */
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#include "ppl_test.hh"
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namespace {
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bool
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test01() {
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Variable x(0);
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Variable y(1);
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TBox box1(2);
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box1.add_constraint(x <= 1);
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TBox box2(2);
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box2.add_constraint(-x <= 3);
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box2.add_constraint(x <= 0);
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print_constraints(box1, "*** box1 ***");
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print_constraints(box2, "*** box2 ***");
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box1.CC76_widening_assign(box2);
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Rational_Box known_result(2);
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known_result.add_constraint(x <= 1);
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bool ok = check_result(box1, known_result);
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print_constraints(box1, "*** box1.CC76_widening_assign(box2) ***");
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return ok;
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}
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bool
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test02() {
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Variable x(0);
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Variable y(1);
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TBox box1(2);
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box1.add_constraint(x <= 1);
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TBox box2(2);
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box2.add_constraint(-x <= 3);
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box2.add_constraint(x <= 0);
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print_constraints(box1, "*** box1 ***");
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print_constraints(box2, "*** box2 ***");
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box1.widening_assign(box2);
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Rational_Box known_result(2);
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known_result.add_constraint(x <= 1);
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bool ok = check_result(box1, known_result);
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print_constraints(box1, "*** box1.CC76_widening_assign(box2) ***");
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return ok;
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}
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bool
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test03() {
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typedef TBox::interval_type::boundary_type tbt;
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// No stop point indeed.
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tbt stop_points;
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Variable x(0);
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Variable y(1);
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TBox box1(2);
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box1.add_constraint(x >= 1);
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box1.add_constraint(x <= 4);
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TBox box2(2);
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box2.add_constraint(x >= 3);
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box2.add_constraint(x <= 4);
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print_constraints(box1, "*** box1 ***");
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print_constraints(box2, "*** box2 ***");
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box1.CC76_widening_assign(box2, &stop_points, &stop_points);
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Rational_Box known_result(2);
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known_result.add_constraint(x <= 4);
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bool ok = check_result(box1, known_result);
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print_constraints(box1, "*** box1.CC76_widening_assign(box2) ***");
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return ok;
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}
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} // namespace
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BEGIN_MAIN
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DO_TEST(test01);
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DO_TEST(test02);
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DO_TEST(test03);
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END_MAIN
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