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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.
627 lines
14 KiB
C++
627 lines
14 KiB
C++
/* Test Polyhedron::wrap_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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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(x + 24*y >= 3072);
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known_result.add_constraint(193*x + 504*y <= 129792);
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known_result.add_constraint(x - 8*y >= -1280);
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known_result.add_constraint(x - 8*y <= -768);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= y);
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known_result.add_constraint(x - 8*y >= -1280);
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known_result.add_constraint(x - 8*y <= -1024);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_UNDEFINED);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(y >= 120);
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known_result.add_constraint(y <= 184);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_UNDEFINED, &cs);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(y >= 120);
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known_result.add_constraint(y <= 184);
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known_result.add_constraint(x <= y);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_IMPOSSIBLE);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(x + 1024 == 8*y);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_IMPOSSIBLE, &cs);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(7*x <= 1024);
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known_result.add_constraint(x + 1024 == 8*y);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(y >= 0);
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known_result.add_constraint(y <= 255);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(y <= 255);
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known_result.add_constraint(x <= y);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, 0, 32, false);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(x + 24*y >= 3072);
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known_result.add_constraint(193*x + 504*y <= 129792);
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known_result.add_constraint(x - 8*y >= -1280);
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known_result.add_constraint(x - 8*y <= -768);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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ph.add_constraint(-64 <= x);
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ph.add_constraint(x <= 448);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs, 32, false);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= y);
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known_result.add_constraint(x - 8*y >= -1280);
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known_result.add_constraint(x - 8*y <= -1024);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, 0, 32, false);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(y >= 0);
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known_result.add_constraint(y <= 255);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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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 x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x + 1024 == 8*y);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs, 32, false);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(y <= 255);
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known_result.add_constraint(x <= y);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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return ok;
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}
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bool
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test13() {
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Variable x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x >= 224);
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ph.add_constraint(x-y <= 160);
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ph.add_constraint(x+y <= 416);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(x <= 255);
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known_result.add_constraint(+x-y <= 160);
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known_result.add_constraint(+x+y <= 416);
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known_result.add_constraint(x + 7*y >= 672);
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known_result.add_constraint(x - 7*y >= -1120);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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return ok;
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}
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bool
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test14() {
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Variable x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x >= 224);
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ph.add_constraint(x-y <= 160);
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ph.add_constraint(x+y <= 416);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x <= y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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C_Polyhedron known_result(2);
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known_result.add_constraint(x >= 0);
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known_result.add_constraint(y >= 96);
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known_result.add_constraint(-x+y >= 96);
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known_result.add_constraint(+x+y <= 160);
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bool ok = (ph == known_result);
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print_constraints(ph, "*** ph.wrap_assign(...) ***");
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return ok;
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}
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bool
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test15() {
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C_Polyhedron ph(1);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars;
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Variable x(0);
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Constraint_System cs;
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cs.insert(x == 10);
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try {
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// This is an invalid use of wrap_assign(): since `vars' is empty,
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// `cs' can only contain 0-dimensional constraints.
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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}
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catch (std::invalid_argument& e) {
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nout << "invalid_argument: " << e.what() << endl << 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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test16() {
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C_Polyhedron ph(1);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars;
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Variable x(0);
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Constraint_System cs;
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cs.insert(Linear_Expression(0) == 1);
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cs.insert(Linear_Expression(0) == 0);
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try {
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// This is a valid use of wrap_assign(): `vars' is empty,
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// but `cs' only contains 0-dimensional constraints.
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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}
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catch (std::invalid_argument& e) {
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nout << "unexpected exception thrown: " << e.what() << endl << endl;
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return false;
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}
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catch (...) {
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return false;
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}
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return ph.is_empty();
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}
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bool
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test17() {
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C_Polyhedron ph(1);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars;
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Variable x(0);
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Constraint_System cs;
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cs.insert(Linear_Expression(0) == 0);
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try {
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// This is a valid use of wrap_assign(): `vars' is empty,
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// but `cs' only contains 0-dimensional constraints.
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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}
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catch (std::invalid_argument& e) {
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nout << "unexpected exception thrown: " << e.what() << endl << endl;
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return false;
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}
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catch (...) {
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return false;
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}
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return ph.is_universe();
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}
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bool
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test18() {
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C_Polyhedron ph(1);
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print_constraints(ph, "*** ph ***");
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Variable x(0);
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Variable y(1);
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x == 10);
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try {
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// This is an invalid use of wrap_assign(): the space dimension
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// of `vars' is higher than the space dimension of `ph'.
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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}
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catch (std::invalid_argument& e) {
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nout << "invalid_argument: " << e.what() << endl << 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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test19() {
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Variable x(0);
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Variable y(1);
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C_Polyhedron ph(2);
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ph.add_constraint(x == 256);
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ph.add_constraint(y == 256 + 256 + 1);
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print_constraints(ph, "*** ph ***");
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Variables_Set vars(x, y);
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Constraint_System cs;
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cs.insert(x + 1 == y);
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ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs);
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C_Polyhedron known_result(2);
|
|
known_result.add_constraint(x == 0);
|
|
known_result.add_constraint(y == 1);
|
|
|
|
bool ok = (ph == known_result);
|
|
|
|
print_constraints(ph, "*** ph.wrap_assign(...) ***");
|
|
|
|
return ok;
|
|
}
|
|
|
|
bool
|
|
test20() {
|
|
Variable x(0);
|
|
Variable y(1);
|
|
|
|
C_Polyhedron ph(2);
|
|
ph.add_constraint(2*x >= 1);
|
|
ph.add_constraint(3*x <= 2);
|
|
ph.add_constraint(y >= 255);
|
|
ph.add_constraint(y <= 257);
|
|
|
|
print_constraints(ph, "*** ph ***");
|
|
|
|
Variables_Set vars(x, y);
|
|
|
|
Constraint_System cs;
|
|
cs.insert(x + y <= 100);
|
|
|
|
ph.wrap_assign(vars, BITS_8, UNSIGNED, OVERFLOW_WRAPS, &cs, 16, false);
|
|
|
|
C_Polyhedron known_result(2);
|
|
known_result.add_constraint(2*x >= 1);
|
|
known_result.add_constraint(3*x <= 2);
|
|
known_result.add_constraint(y >= 0);
|
|
known_result.add_constraint(y <= 1);
|
|
|
|
bool ok = (ph == known_result);
|
|
|
|
print_constraints(ph, "*** ph.wrap_assign(...) ***");
|
|
|
|
return ok;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
BEGIN_MAIN
|
|
DO_TEST_F16(test01);
|
|
DO_TEST_F16(test02);
|
|
DO_TEST_F16A(test03);
|
|
DO_TEST_F8(test04);
|
|
DO_TEST_F16(test05);
|
|
DO_TEST_F16(test06);
|
|
DO_TEST_F8(test07);
|
|
DO_TEST_F8(test08);
|
|
DO_TEST_F16(test09);
|
|
DO_TEST_F16(test10);
|
|
DO_TEST_F8(test11);
|
|
DO_TEST_F8(test12);
|
|
DO_TEST_F16(test13);
|
|
DO_TEST_F8(test14);
|
|
DO_TEST(test15);
|
|
DO_TEST(test16);
|
|
DO_TEST(test17);
|
|
DO_TEST(test18);
|
|
DO_TEST_F8(test19);
|
|
DO_TEST_F8(test20);
|
|
END_MAIN
|