buildtools/ppl/tests/Box/refinewithcongruences1.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

389 lines
7.7 KiB
C++

/* Test Box::refine_with_congruences(const 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 {
// Universe Box constructed from empty congruences
bool
test01() {
Congruence_System cgs;
TBox box(cgs);
Rational_Box known_result(0);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
// Box constructed from non-empty congruences and refine_with_congruences()
bool
test02() {
Variable A(0);
Variable B(1);
Variable C(2);
Variable D(3);
Congruence_System cgs;
cgs.insert(A + B %= 0);
cgs.insert((1*A + 2*B + 3*C + 4*D %= 0) / 0);
cgs.insert((2*A + 3*B + 4*C + 5*D %= 1) / 0);
TBox box(4);
box.refine_with_congruences(cgs);
Rational_Box known_result(4);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
// Box constructed from non-empty congruences
bool
test03() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert(B %= 3);
cgs.insert(B %= 0);
cgs.insert(C %= 7);
TBox box(3);
box.refine_with_congruences(cgs);
Rational_Box known_result(3);
known_result.add_constraint(A == 7);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
bool
test04() {
Variable A(0);
Congruence_System cgs;
cgs.insert((0*A %= 1) / 2);
TBox box(1);
box.refine_with_congruences(cgs);
Rational_Box known_result(1, EMPTY);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
// Box constructed from non-empty congruences; congruences().
bool
test05() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert(B %= 3);
cgs.insert(B %= 0);
cgs.insert(C %= 7);
TBox box(cgs);
TBox box1(box.congruences());
Rational_Box known_result(3);
known_result.add_constraint(A == 7);
bool ok = check_result(box1, known_result);
print_constraints(box, "*** box ***");
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
// Box constructed from non-empty congruences.
bool
test06() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert((B %= 3) / 0);
// This inconsistent equality is ignored when congruences
// are added to the box.
cgs.insert((A + B %= 0) / 0);
cgs.insert(C %= 7);
TBox box(cgs);
Rational_Box known_result(3);
known_result.add_constraint(A == 7);
known_result.add_constraint(B == 3);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
// refine_with_congruence()
bool
test07() {
Variable A(0);
Variable B(1);
Variable C(2);
Variable D(3);
TBox box(4);
box.refine_with_congruence((1*A + 2*B + 3*C + 4*D %= 0) / 0);
box.refine_with_congruence((2*A + 3*B + 4*C + 5*D %= 1) / 0);
Rational_Box known_result(4);
bool ok = check_result(box, known_result);
print_constraints(box, "*** box ***");
return ok;
}
// Non-empty box; congruences().
bool
test08() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert(B %= 3);
cgs.insert(B %= 0);
cgs.insert(C %= 7);
TBox box(3);
box.refine_with_congruences(cgs);
TBox box1(box.congruences());
Rational_Box known_result(3);
known_result.add_constraint(A == 7);
bool ok = check_result(box1, known_result);
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
// Non-empty Box; minimized_congruences().
bool
test09() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert((B %= 3) / 0);
cgs.insert((C %= 3) / 5);
TBox box(3);
box.refine_with_congruences(cgs);
TBox box1(box.minimized_congruences());
Rational_Box known_result(3);
known_result.add_constraint(A == 7);
known_result.add_constraint(B == 3);
bool ok = check_result(box1, known_result);
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
// Empty Box; minimized_congruences().
bool
test10() {
Variable A(0);
Variable B(1);
Variable C(2);
Congruence_System cgs;
cgs.insert((A %= 7) / 0);
cgs.insert((B %= 3) / 0);
cgs.insert((A %= 0) / 0);
cgs.insert(C %= 7);
TBox box(3);
box.refine_with_congruences(cgs);
TBox box1(box.minimized_congruences());
Rational_Box known_result(3, EMPTY);
bool ok = check_result(box1, known_result);
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
// Zero dimension universe; congruences()
bool
test11() {
TBox box(0);
TBox box1(box.congruences());
Rational_Box known_result(0);
bool ok = check_result(box1, known_result);
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
// Zero dimension empty; congruences()
bool
test12() {
TBox box(0, EMPTY);
TBox box1(box.congruences());
Rational_Box known_result(0, EMPTY);
bool ok = check_result(box1, known_result);
print_constraints(box1, "*** box1(box.congruences()) ***");
return ok;
}
bool
test13() {
Variable x(0);
Variable y(1);
Variable z(2);
TBox box1(2);
try {
// This is an invalid use of method
// Box::refine_with_congruence: it is illegal
// to refine with a congruence with bigger dimension.
box1.refine_with_congruence(x %= 0);
box1.refine_with_congruence(y - x + z %= 0);
}
catch (std::invalid_argument& e) {
nout << "std::invalid_argument: " << endl;
return true;
}
catch (...) {
}
return false;
}
bool
test14() {
Variable x(0);
Variable y(1);
TBox box(1);
try {
// This is an invalid use of the method
// Box::refine_with_congruences(cs): it is illegal to
// refine with a system of congruences that is dimensional incompatible
// with the box.
Congruence_System cgs;
cgs.insert(x - y %= 0);
box.refine_with_congruences(cgs);
}
catch (std::invalid_argument& e) {
nout << "std::invalid_argument: " << endl;
return true;
}
catch (...) {
}
return false;
}
bool
test15() {
Variable y(1);
TBox box(1);
try {
// This is an invalid use of the method
// Box::refine_with_congruence(c): it is illegal to refine with a
// congruence that contains a variable that is not in the space
// of the box.
box.refine_with_congruence((y %= 0) / 0);
}
catch (std::invalid_argument& e) {
nout << "std::invalid_argument: " << endl;
return true;
}
catch (...) {
}
return false;
}
} // namespace
BEGIN_MAIN
DO_TEST(test01);
DO_TEST(test02);
DO_TEST(test03);
DO_TEST(test04);
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