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5873a060ca
* 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.
430 lines
8.7 KiB
C++
430 lines
8.7 KiB
C++
/* Test Box::affine_image().
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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 A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 4);
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print_constraints(box, "*** box ***");
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box.affine_image(A, B);
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Rational_Box known_result(3);
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known_result.add_constraint(A <= 4);
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known_result.add_constraint(B <= 4);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, B) ***");
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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 A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 2);
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print_constraints(box, "*** box ***");
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box.affine_image(A, A + 4);
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Rational_Box known_result(3);
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known_result.add_constraint(B <= 2);
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known_result.add_constraint(A <= 6);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, A + 4) ***");
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return ok;
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}
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bool
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test03() {
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Variable A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 2);
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print_constraints(box, "*** box ***");
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box.affine_image(A, Linear_Expression(4));
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Rational_Box known_result(3);
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known_result.add_constraint(B <= 2);
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known_result.add_constraint(A == 4);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, 4) ***");
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return ok;
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}
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bool
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test04() {
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Variable A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 2);
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print_constraints(box, "*** box ***");
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Rational_Box known_result(box);
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box.affine_image(A, A);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, A) ***");
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return ok;
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}
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bool
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test05() {
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Variable A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 2);
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print_constraints(box, "*** box ***");
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box.affine_image(A, 2*A - 2, 2);
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Rational_Box known_result(3);
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known_result.add_constraint(A <= 1);
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known_result.add_constraint(B <= 2);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, 2*A - 2, 2) ***");
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return ok;
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}
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bool
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test06() {
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Variable A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 4);
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print_constraints(box, "*** box ***");
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box.affine_image(B, 2*A, 2);
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Rational_Box known_result(3);
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known_result.add_constraint(A <= 2);
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known_result.add_constraint(B <= 2);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(B, 2*A, 2) ***");
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return ok;
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}
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bool
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test07() {
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Variable A(0);
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Variable B(1);
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TBox box(3);
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box.add_constraint(A <= 2);
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box.add_constraint(B <= 4);
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print_constraints(box, "*** box ***");
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box.affine_image(B, 3*A + 3, 3);
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Rational_Box known_result(3);
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known_result.add_constraint(A <= 2);
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known_result.add_constraint(B <= 3);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(B, 3*A + 3, 3) ***");
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return ok;
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}
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bool
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test08() {
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Variable A(0);
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Variable B(1);
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TBox box(2);
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box.add_constraint(A <= 1);
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box.add_constraint(A >= 0);
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box.add_constraint(B <= 2);
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box.add_constraint(B >= -1);
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print_constraints(box, "*** box ***");
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box.affine_image(A, -2*A - 3*B + 1, -5);
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Rational_Box known_result(2);
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known_result.add_constraint(5*A >= -4);
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known_result.add_constraint(5*A <= 7);
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known_result.add_constraint(B <= 2);
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known_result.add_constraint(B >= -1);
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bool ok = check_result(box, known_result, "1.08e-7", "9.62e-8", "9.54e-8");
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print_constraints(box, "*** box.affine_image(A, -2*A - 3*B + 1, -5) ***");
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return ok;
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}
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bool
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test09() {
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Variable A(0);
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Variable B(1);
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Variable C(2);
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TBox box(3);
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box.add_constraint(A <= 1);
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box.add_constraint(B <= 2);
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box.add_constraint(C >= 3);
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print_constraints(box, "*** box ***");
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box.affine_image(C, A + 2*B -3*C + 2, 4);
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Rational_Box known_result(3);
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known_result.add_constraint(A <= 1);
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known_result.add_constraint(B <= 2);
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known_result.add_constraint(2*C <= -1);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(C, A + 2*B -3*C + 2, 4) ***");
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return ok;
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}
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bool
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test10() {
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Variable A(0);
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Variable B(1);
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Variable C(2);
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Variable D(3);
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TBox box(4);
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box.add_constraint(A <= 1);
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box.add_constraint(B <= 2);
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box.add_constraint(B >= 1);
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box.add_constraint(C <= 0);
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box.add_constraint(D == 3);
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print_constraints(box, "*** box ***");
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box.affine_image(A, -B + 2*C + 1, -3);
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Rational_Box known_result(4);
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known_result.add_constraint(A >= 0);
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known_result.add_constraint(B <= 2);
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known_result.add_constraint(B >= 1);
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known_result.add_constraint(C <= 0);
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known_result.add_constraint(D == 3);
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bool ok = check_result(box, known_result, "7.95e-8", "7.95e-8", "7.95e-8");
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print_constraints(box, "*** box.affine_image(A, -B + 2*C + 1, -3) ***");
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return ok;
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}
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bool
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test11() {
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Variable A(0);
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Variable B(1);
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Variable C(2);
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TBox box(3);
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box.add_constraint(A <= 1);
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box.add_constraint(B <= 2);
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print_constraints(box, "*** box ***");
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box.affine_image(A, 2*B + C + 2, 4);
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Rational_Box known_result(3);
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known_result.add_constraint(B <= 2);
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bool ok = check_result(box, known_result);
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print_constraints(box, "*** box.affine_image(A, 2*B + C + 2, 4) ***");
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return ok;
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}
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bool
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test12() {
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Variable A(0);
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Variable B(1);
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TBox box(2);
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box.add_constraint(A >= 0);
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box.add_constraint(A <= 2);
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Linear_Expression coeff1 = A + 1;
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try {
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// This is an incorrect use of method
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// Box::affine_image(v, expr, d): it is illegal to apply
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// the method to a linear expression with the denominator equal to
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// zero.
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Coefficient d = 0;
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box.affine_image(A, coeff1, d);
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}
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catch (std::invalid_argument& e) {
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nout << "std::invalid_argument: " << endl;
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return true;
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}
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catch (...) {
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}
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return false;
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}
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bool
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test13() {
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Variable A(0);
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Variable B(1);
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TBox box(1);
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box.add_constraint(A >= 1);
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try {
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// This is an invalid used of the method
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// Box::affine_image(v, expr, d): it is illegal to
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// apply this method to a variable that is not in the space of
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// the polyhedron.
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box.affine_image(B, A + 1);
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}
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catch (std::invalid_argument& e) {
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nout << "std::invalid_argument: " << endl;
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return true;
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}
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catch (...) {
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}
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return false;
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}
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bool
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test14() {
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Variable A(0);
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Variable B(1);
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Variable C(2);
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TBox box(2);
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box.add_constraint(A >= 1);
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box.add_constraint(B >= 1);
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try {
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// This is an invalid used of the method
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// Box::affine_image(v, expr, d): it is illegal to
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// use a variable in the expression that does not appear in the
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// space of the polyhedron.
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box.affine_image(B, A + C + 1);
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}
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catch (std::invalid_argument& e) {
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nout << "std::invalid_argument: " << endl;
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return true;
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}
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catch (...) {
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}
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return false;
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}
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bool
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test15() {
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Variable A(0);
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Variable B(1);
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TBox box(2);
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box.add_constraint(A >= 0);
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box.add_constraint(A <= 2);
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Linear_Expression coeff1 = 2*A + 1;
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try {
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// This is an incorrect use of method
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// Box::affine_image(v, expr, d): it is illegal to apply
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// the method to a linear expression with the denominator equal to
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// zero.
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Coefficient d = 0;
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box.affine_image(A, coeff1, d);
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}
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catch (std::invalid_argument& e) {
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nout << "std::invalid_argument: " << endl;
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return true;
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}
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catch (...) {
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}
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return false;
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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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DO_TEST(test04);
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DO_TEST(test05);
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DO_TEST(test06);
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DO_TEST(test07);
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DO_TEST(test08);
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DO_TEST(test09);
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DO_TEST(test10);
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DO_TEST(test11);
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DO_TEST(test12);
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DO_TEST(test13);
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DO_TEST(test14);
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DO_TEST(test15);
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END_MAIN
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