[PPL-devel] [GIT] ppl/ppl(master): Test Polyhedron::drop_some_non_integer_points().

Roberto Bagnara bagnara at cs.unipr.it
Thu Mar 25 04:23:13 CET 2010


Module: ppl/ppl
Branch: master
Commit: f34bcd0e0c7397ac91ba95d562446acd8f1efef7
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=f34bcd0e0c7397ac91ba95d562446acd8f1efef7

Author: Roberto Bagnara <bagnara at cs.unipr.it>
Date:   Thu Mar 25 07:07:04 2010 +0400

Test Polyhedron::drop_some_non_integer_points().

---

 tests/Polyhedron/Makefile.am                  |    8 +
 tests/Polyhedron/dropsomenonintegerpoints1.cc |  174 +++++++++++++++++++++++++
 tests/Polyhedron/dropsomenonintegerpoints2.cc |  160 +++++++++++++++++++++++
 3 files changed, 342 insertions(+), 0 deletions(-)

diff --git a/tests/Polyhedron/Makefile.am b/tests/Polyhedron/Makefile.am
index 22cbec0..2096287 100644
--- a/tests/Polyhedron/Makefile.am
+++ b/tests/Polyhedron/Makefile.am
@@ -81,6 +81,7 @@ constraints1 \
 contains1 contains2 \
 containsintegerpoint1 \
 disjoint1 disjoint2 \
+dropsomenonintegerpoints1 dropsomenonintegerpoints2 \
 dualhypercubes \
 empty1 \
 equals1 \
@@ -169,6 +170,7 @@ nnc_constraints1 \
 nnc_contains1 \
 nnc_containsintegerpoint1 \
 nnc_disjoint1 \
+nnc_dropsomenonintegerpoints1 \
 nnc_empty1 \
 nnc_equals1 \
 nnc_exceptions1 nnc_exceptions3 \
@@ -288,6 +290,9 @@ containsintegerpoint1_SOURCES = containsintegerpoint1.cc
 disjoint1_SOURCES = disjoint1.cc
 disjoint2_SOURCES = disjoint2.cc
 
+dropsomenonintegerpoints1_SOURCES = dropsomenonintegerpoints1.cc
+dropsomenonintegerpoints2_SOURCES = dropsomenonintegerpoints2.cc
+
 dualhypercubes_SOURCES = dualhypercubes.cc
 
 empty1_SOURCES = empty1.cc
@@ -517,6 +522,9 @@ nnc_containsintegerpoint1_CXXFLAGS = $(DERIVED_CXXFLAGS)
 nnc_disjoint1_SOURCES = disjoint1.cc
 nnc_disjoint1_CXXFLAGS = $(DERIVED_CXXFLAGS)
 
+nnc_dropsomenonintegerpoints1_SOURCES = dropsomenonintegerpoints1.cc
+nnc_dropsomenonintegerpoints1_CXXFLAGS = $(DERIVED_CXXFLAGS)
+
 nnc_empty1_SOURCES = empty1.cc
 nnc_empty1_CXXFLAGS = $(DERIVED_CXXFLAGS)
 
diff --git a/tests/Polyhedron/dropsomenonintegerpoints1.cc b/tests/Polyhedron/dropsomenonintegerpoints1.cc
new file mode 100644
index 0000000..c02efde
--- /dev/null
+++ b/tests/Polyhedron/dropsomenonintegerpoints1.cc
@@ -0,0 +1,174 @@
+/* Test Polyhedron::drop_some_non_integer_points().
+   Copyright (C) 2001-2010 Roberto Bagnara <bagnara at 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() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2);
+  ph.add_constraint(2*A >= 1);
+  ph.add_constraint(2*B >= -1);
+  ph.add_constraint(6*A - 3*B >= 7);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  C_Polyhedron known_result(2);
+  known_result.add_constraint(A >= 1);
+  known_result.add_constraint(B >= 0);
+  known_result.add_constraint(2*A - B >= 3);
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test02() {
+  C_Polyhedron ph1;
+  C_Polyhedron ph2(2, EMPTY);
+
+  print_constraints(ph1, "*** ph1 ***");
+  print_constraints(ph2, "*** ph2 ***");
+
+  C_Polyhedron known_result1(0, EMPTY);
+  C_Polyhedron known_result2(ph2);
+
+  ph1.drop_some_non_integer_points();
+  ph2.drop_some_non_integer_points();
+
+  bool ok = (ph1 == known_result1 && ph2 == known_result2);
+
+  print_constraints(ph1, "*** after ph1.drop_some_non_integer_points() ***");
+  print_constraints(ph2, "*** after ph2.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test03() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2);
+  ph.add_constraint(A - B == 0);
+  ph.add_constraint(A >= 0);
+
+  C_Polyhedron known_result(ph);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test04() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2);
+  ph.generators();
+  ph.add_constraint(A >= 0);
+  ph.add_constraint(A == B);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  C_Polyhedron known_result(2);
+  known_result.add_constraint(A >= 0);
+  known_result.add_constraint(A == B);
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test05() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2, EMPTY);
+  ph.add_generator(point(A+B, 2));
+  ph.add_generator(line(B));
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  C_Polyhedron known_result(2, EMPTY);
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test06() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2);
+  ph.add_constraint(2*A <= 1);
+  ph.add_constraint(2*B <= -1);
+  ph.add_constraint(6*A - 3*B <= 7);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  bool ok = true; //(ph1 == ph2);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+} // namespace
+
+BEGIN_MAIN
+  DO_TEST(test01);
+  DO_TEST(test02);
+  DO_TEST(test03);
+  DO_TEST(test04);
+  DO_TEST(test05);
+  DO_TEST(test06);
+END_MAIN
diff --git a/tests/Polyhedron/dropsomenonintegerpoints2.cc b/tests/Polyhedron/dropsomenonintegerpoints2.cc
new file mode 100644
index 0000000..a3a6606
--- /dev/null
+++ b/tests/Polyhedron/dropsomenonintegerpoints2.cc
@@ -0,0 +1,160 @@
+/* Test Polyhedron::drop_some_non_integer_points().
+   Copyright (C) 2001-2010 Roberto Bagnara <bagnara at 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() {
+  Variable A(0);
+  Variable B(1);
+
+  NNC_Polyhedron ph1(2);
+  ph1.add_constraint(A > 1);
+  ph1.add_constraint(A - B > 0);
+  Generator_System gs;
+  gs.insert(point(2*A));
+  gs.insert(closure_point(A + B));
+  gs.insert(ray(-B));
+  gs.insert(ray(A + B));
+  NNC_Polyhedron ph2(gs);
+
+  print_constraints(ph1, "*** ph1 ***");
+  print_generators(ph2, "*** ph2 ***");
+
+  ph1.drop_some_non_integer_points();
+  ph2.drop_some_non_integer_points();
+
+  bool ok = (ph1 == ph2);
+
+  print_constraints(ph1, "*** after ph1.drop_some_non_integer_points() ***");
+  print_generators(ph2, "*** after ph2.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test02() {
+  NNC_Polyhedron ph1;
+  NNC_Polyhedron ph2(2, EMPTY);
+
+  print_constraints(ph1, "*** ph1 ***");
+  print_constraints(ph2, "*** ph2 ***");
+
+  NNC_Polyhedron known_result1(0, EMPTY);
+  NNC_Polyhedron known_result2(ph2);
+
+  ph1.drop_some_non_integer_points();
+  ph2.drop_some_non_integer_points();
+
+  bool ok = (ph1 == known_result1 && ph2 == known_result2);
+
+  print_constraints(ph1, "*** after ph1.drop_some_non_integer_points() ***");
+  print_constraints(ph2, "*** after ph2.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test03() {
+  Variable A(0);
+  Variable B(1);
+
+  C_Polyhedron ph(2);
+  ph.add_constraint(A - B == 0);
+  ph.add_constraint(A >= 0);
+
+  C_Polyhedron known_result(ph);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test04() {
+  Variable A(0);
+  Variable B(1);
+
+  NNC_Polyhedron ph(2);
+  ph.generators();
+  ph.add_constraint(A > 0);
+  ph.add_constraint(A == B);
+
+  print_constraints(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  NNC_Polyhedron known_result(2);
+  known_result.add_constraint(A >= 1);
+  known_result.add_constraint(A == B);
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+bool
+test05() {
+  Variable A(0);
+  Variable B(1);
+
+  NNC_Polyhedron ph(2, EMPTY);
+  ph.add_generator(point(A));
+  ph.constraints();
+  ph.add_generator(closure_point());
+  ph.add_generator(ray(A));
+  ph.add_generator(ray(B));
+
+  print_generators(ph, "*** ph ***");
+
+  ph.drop_some_non_integer_points();
+
+  NNC_Polyhedron known_result(2);
+  known_result.add_constraint(A >= 1);
+  known_result.add_constraint(B >= 0);
+
+  bool ok = (ph == known_result);
+
+  print_constraints(ph, "*** after ph.drop_some_non_integer_points() ***");
+
+  return ok;
+}
+
+} // namespace
+
+BEGIN_MAIN
+  DO_TEST(test01);
+  DO_TEST(test02);
+  DO_TEST(test03);
+  DO_TEST(test04);
+  DO_TEST(test05);
+END_MAIN




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