Module: ppl/ppl Branch: floating_point Commit: 3add81ea30924ceebad5099a5e6bc81e15ea5d57 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=3add81ea30924...
Author: Fabio Bossi bossi@cs.unipr.it Date: Thu Sep 24 18:20:28 2009 +0200
Fixed test05. Added a new test file.
---
tests/Floating_Point_Expression/polyhedron1.cc | 8 +-- tests/Floating_Point_Expression/polyhedron2.cc | 70 ++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 6 deletions(-)
diff --git a/tests/Floating_Point_Expression/polyhedron1.cc b/tests/Floating_Point_Expression/polyhedron1.cc index 4ab4144..98a111d 100644 --- a/tests/Floating_Point_Expression/polyhedron1.cc +++ b/tests/Floating_Point_Expression/polyhedron1.cc @@ -149,8 +149,7 @@ test05() { Variable A(0); Variable B(1); FP_Interval_Abstract_Store store(2); - FP_Interval tmp(-2.5); //FIXME: Perturbation of inhomogeneous term in order - tmp.join_assign(6.5); //to handle rounding errors. + FP_Interval tmp(2); store.set_interval(A, tmp); store.set_interval(B, tmp); C_Polyhedron ph(2); @@ -161,15 +160,12 @@ test05() { FP_Linear_Form l(A); l += tmp; l -= B; - tmp = -1 / 3.0; - l *= tmp; + l /= FP_Interval(-3);
ph.affine_image(B, l, store); print_constraints(ph, "*** ph.affine_image(B, (A - B + 2) / (-3), store) ***");
- ph.affine_image(B, l, store); - C_Polyhedron known_result(2, EMPTY); known_result.add_generator(point(2*A)); known_result.add_generator(point(2*A - B)); diff --git a/tests/Floating_Point_Expression/polyhedron2.cc b/tests/Floating_Point_Expression/polyhedron2.cc new file mode 100644 index 0000000..7ab1b68 --- /dev/null +++ b/tests/Floating_Point_Expression/polyhedron2.cc @@ -0,0 +1,70 @@ +/* Test Polyhedron::refine_fp_interval_abstract_store and + Polyhedron::refine_with_linear_form_inequality. + Copyright (C) 2001-2009 Roberto Bagnara bagnara@cs.unipr.it + +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 { + +bool +test01() { + C_Polyhedron pol(1); + FP_Interval_Abstract_Store store(1); + store.set_interval(Variable(0), FP_Interval(0)); + try { + FP_Linear_Form l1(Variable(3)); + FP_Linear_Form l2; + pol.refine_with_linear_form_inequality(l1, l2, store); + } + catch (std::invalid_argument) { + try { + FP_Linear_Form l1; + FP_Linear_Form l2(Variable(3)); + pol.refine_with_linear_form_inequality(l1, l2, store); + } + catch (std::invalid_argument) { + return true; + } + } + + return false; +} + +bool +test02() { + C_Polyhedron pol(1); + FP_Interval_Abstract_Store store(1); + store.set_interval(Variable(0), FP_Interval(1.5)); + FP_Interval interval(57); + FP_Linear_Form lf1(Variable(0)); + FP_Linear_Form lf2(interval); + pol.refine_with_linear_form_inequality(lf1, lf2, store); + print_constraints(pol, "RESULT"); + return true; +} + +} // namespace + +BEGIN_MAIN + DO_TEST(test01); + DO_TEST(test02); +END_MAIN