buildtools/ppl/tests/Box/frompolyhedron1.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

512 lines
12 KiB
C++

/* Test Box::Box(const Polyhedron&, Complexity_Class).
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 {
// A non-bounded closed polyhedron consisting of the line x = y.
// The bounding box is the xy plane - the universal polyhedron.
bool
test01() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.add_constraint(x - y >= 0);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2, UNIVERSE);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A non-bounded closed polyhedron in 2D consisting of a wedge bounded
// by y >= 0 and x >= y.
bool
test02() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.add_constraint(x >= y);
ph.add_constraint(y >= 0);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2);
known_box.add_constraint(x >= 0);
known_box.add_constraint(y >= 0);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A bounded non-rectangular closed polyhedron in 2D.
bool
test03() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.add_constraint(3*x + y >= 2);
ph.add_constraint(x <= 4);
ph.add_constraint(y <= 4);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2);
known_box.add_constraint(3*x >= -2);
known_box.add_constraint(x <= 4);
known_box.add_constraint(y >= -10);
known_box.add_constraint(y <= 4);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// An unbounded closed polyhedron in 4D but bounded in 2D.
bool
test04() {
Variable x(1);
Variable y(2);
Variable z(3);
C_Polyhedron ph(4);
ph.add_constraint(3*x + y >= 2);
ph.add_constraint(x <= 4);
ph.add_constraint(y <= 4);
ph.add_constraint(z >= 5);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(4);
known_box.add_constraint(3*x >= -2);
known_box.add_constraint(x <= 4);
known_box.add_constraint(y >= -10);
known_box.add_constraint(3*y <= 12);
known_box.add_constraint(3*z >= 15);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// This is the universal, 2-dimensional closed polyhedron.
bool
test05() {
C_Polyhedron ph(2);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2, UNIVERSE);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A zero-dimensional closed polyhedron.
bool
test06() {
C_Polyhedron ph;
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(0);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// An empty closed polyhedron in 2D.
bool
test07() {
C_Polyhedron ph(2, EMPTY);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(ph.space_dimension(), EMPTY);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A bounded polyhedron that is a single point.
bool
test08() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.add_constraint(x == 2);
ph.add_constraint(y == 4);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2);
known_box.add_constraint(x == 2);
known_box.add_constraint(y == 4);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A unit square closed polyhedron.
bool
test09() {
Variable x(0);
Variable y(1);
Constraint_System cs;
cs.insert(x >= 0);
cs.insert(x <= 1);
cs.insert(y >= 0);
cs.insert(y <= 1);
C_Polyhedron ph(cs);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2);
known_box.add_constraint(x >= 0);
known_box.add_constraint(x <= 1);
known_box.add_constraint(y >= 0);
known_box.add_constraint(y <= 1);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A bounded rectangular closed polyhedron;
bool
test10() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.generators();
ph.add_constraint(x >= 1);
ph.add_constraint(x <= 3);
ph.add_constraint(y <= 3);
ph.add_constraint(y >= 1);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox nbox(ph);
TBox known_box(2);
known_box.add_constraint(x >= 1);
known_box.add_constraint(x <= 3);
known_box.add_constraint(y <= 3);
known_box.add_constraint(y >= 1);
bool ok = (nbox == known_box && pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(nbox, "*** nbox ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
// A bounded polyhedron having redundant constraints.
bool
test11() {
Variable x(0);
Variable y(1);
C_Polyhedron ph(2);
ph.add_constraint(x == 3);
ph.add_constraint(y == 1);
ph.add_constraint(x + y == 4);
ph.add_constraint(x - y == 2);
ph.add_constraint(3*x + y == 10);
ph.add_constraint(x >= 0);
ph.add_constraint(y <= 5);
ph.add_constraint(x + 2*y >= 5);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox known_box(2);
known_box.add_constraint(x == 3);
known_box.add_constraint(y == 1);
bool ok = (pbox == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(pbox, "*** pbox ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
bool
test12() {
Variable A(0);
Variable B(1);
Constraint_System cs;
cs.insert(A + 2*B <= 5);
cs.insert(A + 2*B >= -10);
cs.insert(A >= 0);
cs.insert(B <= 7);
cs.insert(3*A - 5*B <= 18);
C_Polyhedron ph(cs);
TBox sbox(ph, SIMPLEX_COMPLEXITY);
TBox nbox(ph, ANY_COMPLEXITY);
Rational_Box known_result(2);
known_result.add_constraint(A >= 0);
known_result.add_constraint(11*A <= 61);
known_result.add_constraint(2*B <= 5);
known_result.add_constraint(5*B >= -18);
bool ok = (sbox == nbox
&& check_result(sbox, known_result,
"7.50e-7", "4.89e-7", "4.34e-7"));
print_constraints(sbox, "*** sbox ***");
print_constraints(nbox, "*** nbox ***");
return ok;
}
bool
test13() {
C_Polyhedron ph(1, EMPTY);
TBox box(ph);
TBox known_box(1, EMPTY);
bool ok (box == known_box);
print_constraints(ph, "*** ph ***");
print_constraints(box, "*** box ***");
print_constraints(known_box, "*** known_box ***");
return ok;
}
bool
test14() {
Variable X01(0);
Variable X02(1);
Variable X03(2);
Variable X04(3);
Variable X05(4);
Variable X06(5);
Variable X07(6);
Variable X08(7);
Variable X09(8);
Variable X10(9);
Variable X11(10);
Variable X12(11);
Variable X13(12);
Variable X14(13);
Variable X15(14);
Variable X16(15);
Variable X17(16);
Variable X18(17);
Variable X19(18);
Variable X20(19);
Variable X21(20);
Variable X22(21);
Variable X23(22);
Variable X24(23);
Variable X25(24);
Variable X26(25);
Variable X27(26);
Variable X28(27);
Variable X29(28);
Variable X30(29);
Variable X31(30);
Variable X32(31);
Variable X33(32);
Variable X34(33);
Variable X35(34);
Variable X36(35);
Variable X37(36);
Variable X38(37);
Variable X39(38);
Constraint_System cs;
cs.insert(X01 - X02 - X03 + 0*X39 == 0);
cs.insert(Coefficient("2386907802506363")*X01 - X04 == 0);
cs.insert(-X01 >= -80);
cs.insert(X02 - Coefficient("3152519739159347")*X14 >= 0);
cs.insert(X06 + X07 + X08 + X09 - X14 - X15 == 0);
cs.insert(Coefficient("2386907802506363")*X06
+ Coefficient("2386907802506363")*X07
+ Coefficient("1080863910568919")*X08
+ Coefficient("7746191359077253")*X09
- X16 == 0);
cs.insert(-X06 + X10 >= -80);
cs.insert(-X07 + X11 >= 0);
cs.insert(-X08 + X12 >= 0);
cs.insert(-X09 + X13 >= 0);
cs.insert(X22 - X23 - X24 - X25 == 0);
cs.insert(Coefficient("7746191359077253")*X22 - X26 == 0);
cs.insert(-X22 >= -500);
cs.insert(X23 - Coefficient("3152519739159347")*X36 >= 0);
cs.insert(Coefficient("7746191359077253")*X28
+ Coefficient("7746191359077253")*X29
+ Coefficient("3512807709348987")*X30
+ Coefficient("3332663724254167")*X31
- X38 == 0);
cs.insert(X28 + X29 + X30 + X31 - X36 + X37 + X39 == 44);
cs.insert(-X28 + X32 >= -500);
cs.insert(-X29 + X33 >= 0);
cs.insert(-X30 + X34 >= 0);
cs.insert(-X31 + X35 >= 0);
cs.insert(Coefficient("-2661627379775963")*X10
- Coefficient("2686397177726501")*X11
- Coefficient("5422333951354077")*X12
- Coefficient("5469621747441467")*X13
+ X25
- Coefficient("2466846695892189")*X32
- Coefficient("4996743786567565")*X33
- Coefficient("5064297780978123")*X34
- Coefficient("641481471923585")*X35 >= 0);
cs.insert(X03 - Coefficient("7854277750134145")*X22 >= 0);
cs.insert(X15
- Coefficient("7854277750134145")*X28
- Coefficient("7782220156096217")*X29
- Coefficient("7782220156096217")*X30
- Coefficient("7710162562058289")*X31 >= 0);
cs.insert(Coefficient("-5422333951354077")*X01 + X24 >= 0);
cs.insert(X21 >= 2);
cs.insert(-X16 - X38 >= -300);
for (dimension_type i = X01.id(); i <= X39.id(); ++i)
cs.insert(Variable(i) >= 0);
C_Polyhedron ph(cs);
TBox pbox(ph, POLYNOMIAL_COMPLEXITY);
TBox sbox(ph, SIMPLEX_COMPLEXITY);
TBox nbox(ph, ANY_COMPLEXITY);
Rational_Box known_result(2);
bool ok = true;
print_constraints(pbox, "*** pbox ***");
print_constraints(sbox, "*** sbox ***");
print_constraints(nbox, "*** nbox ***");
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_F8(test12);
DO_TEST(test13);
DO_TEST_F64(test14);
END_MAIN