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/* Test Grid::map_space_dimensions().
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 grid, empty mapping.
bool
test01() {
Partial_Function function;
Grid gr(3, EMPTY);
print_congruences(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid known_gr(0, EMPTY);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping all dimensions.
bool
test02() {
Variable A(0);
Variable B(1);
Variable C(2);
Partial_Function function;
function.insert(0, 2);
function.insert(2, 0);
function.insert(1, 1);
Grid_Generator_System gs;
gs.insert(grid_point(2*C));
gs.insert(grid_point(4*C));
gs.insert(grid_point(A));
Grid gr(gs);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid_Generator_System known_gs;
known_gs.insert(grid_point(2*A));
known_gs.insert(grid_point(4*A));
known_gs.insert(grid_point(C));
Grid known_gr(known_gs);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping all dimensions, with overlap.
bool
test03() {
Variable A(0);
Variable B(1);
Variable C(2);
Partial_Function function;
function.insert(0, 1);
function.insert(2, 0);
Grid_Generator_System gs;
gs.insert(grid_point());
gs.insert(grid_point(2*A));
gs.insert(grid_line(A - C));
Grid gr(gs);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid_Generator_System known_gs;
known_gs.insert(grid_point());
known_gs.insert(grid_point(2*B));
known_gs.insert(grid_line(B - A));
Grid known_gr(known_gs);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping more dimensions than there are in the grid.
bool
test04() {
Variable A(0);
Variable B(1);
Variable C(2);
Partial_Function function;
function.insert(2, 0);
function.insert(3, 2);
function.insert(4, 1);
Grid_Generator_System gs;
gs.insert(grid_point());
gs.insert(grid_point(A));
gs.insert(grid_point(B));
Grid gr(gs);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid_Generator_System known_gs;
known_gs.insert(grid_point(0*C));
Grid known_gr(known_gs);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping all dimensions to themselves.
bool
test05() {
Variable A(0);
Variable B(1);
Partial_Function function;
function.insert(0, 0);
function.insert(1, 1);
Grid_Generator_System gs;
gs.insert(grid_point());
gs.insert(grid_point(A));
gs.insert(grid_point(B));
gs.insert(grid_point(A + B));
Grid gr(gs);
print_generators(gr, "*** gr ***");
Grid known_gr(gr);
gr.map_space_dimensions(function);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping all additional dimensions (in the mapping) to themselves.
bool
test06() {
Variable A(0);
Variable B(1);
Partial_Function function;
function.insert(0, 1);
function.insert(1, 0);
function.insert(2, 2);
function.insert(3, 3);
Grid_Generator_System gs;
gs.insert(grid_point());
gs.insert(grid_point(A));
gs.insert(grid_point(2*B));
gs.insert(grid_point(A + 2*B));
Grid gr(gs);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid known_gr(4, EMPTY);
known_gr.add_grid_generator(grid_point());
known_gr.add_grid_generator(grid_point(B));
known_gr.add_grid_generator(grid_point(2*A));
known_gr.add_grid_generator(grid_point(2*A + B));
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping new dimensions over existing ones.
bool
test07() {
Variable A(0);
Variable B(1);
Partial_Function function;
function.insert(0, 0);
function.insert(2, 1);
function.insert(3, 2);
Grid_Generator_System gs;
gs.insert(grid_point());
gs.insert(grid_point(A));
gs.insert(grid_line(B));
gs.insert(grid_line(A + B));
Grid gr(gs);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid known_gr(3, EMPTY);
known_gr.add_grid_generator(grid_point());
known_gr.add_grid_generator(grid_line(A));
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// Mapping away a dimension in an empty grid.
bool
test08() {
Partial_Function function;
function.insert(0, 1);
function.insert(1, 0);
Grid gr(3, EMPTY);
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid known_gr(2, EMPTY);
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
return ok;
}
// A minimized grid in which the point contains factors and the
// divisor is greater than one.
bool
test09() {
Variable A(0);
Variable B(1);
Variable C(2);
Partial_Function function;
function.insert(0, 1);
function.insert(1, 0);
Grid gr(3, EMPTY);
gr.add_grid_generator(grid_point(4*A, 2));
gr.add_grid_generator(grid_point(4*A + B, 2));
// Force minimization.
gr.minimized_grid_generators();
print_generators(gr, "*** gr ***");
gr.map_space_dimensions(function);
Grid known_gr(2, EMPTY);
known_gr.add_grid_generator(grid_point(4*B, 2));
known_gr.add_grid_generator(grid_point(4*B + A, 2));
bool ok = (gr == known_gr);
print_congruences(gr, "*** gr.map_space_dimensions(function) ***");
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);
END_MAIN
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