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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.
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/* Test Polyhedron::generalized_affine_preimage().
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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 A(0);
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Variable B(1);
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NNC_Polyhedron ph(2, EMPTY);
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ph.add_generator(point(A + B));
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ph.add_generator(closure_point(2*A));
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ph.add_generator(closure_point(2*A + 2*B));
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ph.add_generator(closure_point(3*A + B));
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print_constraints(ph, "*** ph ***");
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// A longer way of computing the generalized affine preimage below.
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NNC_Polyhedron known_result(ph);
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known_result.add_space_dimensions_and_embed(1);
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Variable C(2);
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known_result.add_constraint(B < C+2);
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Variables_Set vset;
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vset.insert(B);
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known_result.remove_space_dimensions(vset);
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ph.generalized_affine_preimage(B, LESS_THAN, B+2);
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bool ok = (ph == known_result);
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print_generators(ph, "*** ph after "
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"ph.generalized_affine_preimage(B, LESS_THAN, B+2) ***");
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return ok;
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}
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} // namespace
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BEGIN_MAIN
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DO_TEST(test01);
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END_MAIN
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