buildtools/ppl/tests/Polyhedron/congruences1.cc
Jerome Duval 5873a060ca imported PPL 0.11.1 and CLooG 0.18.0.
* 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.
2013-04-06 15:10:34 +02:00

366 lines
6.8 KiB
C++

/* Test C_Polyhedron(Congruence_System&).
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 {
// Empty polyhedron.
bool
test01() {
C_Polyhedron ph1(7, EMPTY);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.congruences();
C_Polyhedron ph2(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Universe polyhedron.
bool
test02() {
C_Polyhedron ph1(7);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.congruences();
C_Polyhedron ph2(7);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Zero dimension empty polyhedron.
bool
test03() {
C_Polyhedron ph1(0, EMPTY);
Congruence_System cgs = ph1.congruences();
C_Polyhedron known_ph(Congruence_System::zero_dim_empty());
bool ok = (ph1 == known_ph);
print_constraints(ph1, "*** ph1 ***");
return ok;
}
// Zero dimension universe polyhedron.
bool
test04() {
C_Polyhedron ph1(0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.congruences();
C_Polyhedron ph2(0);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Polyhedron in 3D.
bool
test05() {
Variable A(0);
Variable B(1);
C_Polyhedron ph1(3);
ph1.add_constraint(A + B >= 3);
ph1.add_constraint(A == 0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.congruences();
C_Polyhedron ph2(3);
ph2.add_congruences(cgs);
ph2.add_constraint(A + B >= 3);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Polyhedron in 3D with implied equality.
bool
test06() {
Variable A(0);
Variable B(1);
C_Polyhedron ph1(3);
ph1.add_constraint(A + B >= 3);
ph1.add_constraint(A + B <= 3);
ph1.add_constraint(A == 0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.congruences();
C_Polyhedron ph2(3);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Empty polyhedron.
bool
test07() {
C_Polyhedron ph1(7, EMPTY);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron ph2(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Universe polyhedron.
bool
test08() {
C_Polyhedron ph1(7);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron ph2(7);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Zero dimension empty polyhedron.
bool
test09() {
C_Polyhedron ph1(0, EMPTY);
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron known_ph(Congruence_System::zero_dim_empty());
bool ok = (ph1 == known_ph);
print_constraints(ph1, "*** ph1 ***");
return ok;
}
// Zero dimension universe polyhedron.
bool
test10() {
C_Polyhedron ph1(0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron ph2(0);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Polyhedron in 3D.
bool
test11() {
Variable A(0);
Variable B(1);
C_Polyhedron ph1(3);
ph1.add_constraint(A + B >= 3);
ph1.add_constraint(A == 0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron ph2(3);
ph2.add_congruences(cgs);
ph2.add_constraint(A + B >= 3);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
// Polyhedron in 3D with implied equality.
bool
test12() {
Variable A(0);
Variable B(1);
C_Polyhedron ph1(3);
ph1.add_constraint(A + B >= 3);
ph1.add_constraint(A + B <= 3);
ph1.add_constraint(A == 0);
C_Polyhedron known_ph = ph1;
Congruence_System cgs = ph1.minimized_congruences();
C_Polyhedron ph2(3);
ph2.add_congruences(cgs);
bool ok = (ph2 == known_ph);
print_congruences(cgs, "*** cgs ***");
print_constraints(ph2, "*** ph2(cgs) ***");
return ok;
}
bool test13() {
Variable x(0);
Variable y(1);
Congruence_System cgs;
cgs.insert(0*x %= 3);
cgs.insert(y == 3);
C_Polyhedron ph(cgs);
print_constraints(ph, "*** ph ***");
C_Polyhedron known_result(2);
known_result.add_constraint(y == 3);
bool ok = (ph == known_result);
print_constraints(ph, "*** after add_congruences ***");
return ok;
}
bool test14() {
Variable x(0);
Variable y(1);
Congruence_System cgs;
cgs.insert((2*y %= 2) / 3);
Constraint_System cs(cgs);
print_constraints(cs, "*** cs ***");
cs.insert(0*x > -1);
print_constraints(cs, "*** cs.insert(0*x > -1) ***");
C_Polyhedron ph(cs);
bool ok = ph.is_universe();
print_constraints(ph, "*** ph(cs) ***");
return ok;
}
// A similar test to the previous test but with 0 dimensions.
bool test15() {
Variable x(0);
Congruence_System cgs;
Constraint_System cs(cgs);
print_constraints(cs, "*** cs ***");
cs.insert(0*x > -1);
print_constraints(cs, "*** cs.insert(0*x > -1) ***");
C_Polyhedron ph(cs);
bool ok = ph.is_universe();
print_constraints(ph, "*** ph(cs) ***");
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