1 /* Test Pointset_Powerset<PH>::BGP99_extrapolation_assign().
2 Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
3 Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)
4
5 This file is part of the Parma Polyhedra Library (PPL).
6
7 The PPL is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11
12 The PPL is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software Foundation,
19 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
20
21 For the most up-to-date information see the Parma Polyhedra Library
22 site: http://bugseng.com/products/ppl/ . */
23
24 #include "ppl_test.hh"
25
26 namespace {
27
28 bool
test01()29 test01() {
30 typedef Pointset_Powerset<TBox> Box_Set;
31
32 Variable A(0);
33 Variable B(1);
34
35 TBox box1(2);
36 box1.add_constraint(A >= 0);
37 TBox box2(2);
38 box2.add_constraint(A >= 1);
39 TBox box3(2);
40 box3.add_constraint(A >= 2);
41 TBox box4(2);
42 box4.add_constraint(A >= 3);
43
44 Box_Set box_set1(2, EMPTY);
45 box_set1.add_disjunct(box1);
46 box_set1.add_disjunct(box2);
47 box_set1.add_disjunct(box3);
48
49 Box_Set box_set2(box_set1);
50 box_set1.add_disjunct(box4);
51
52 using namespace IO_Operators;
53 nout << "*** box_set1 ***" << endl
54 << box_set1 << endl;
55 nout << "*** box_set2 ***" << endl
56 << box_set2 << endl;
57
58 TBox box5(2);
59 box5.add_constraint(A >= 2);
60 box5.add_constraint(B >= 6);
61
62 Box_Set known_result(2, EMPTY);
63 known_result.add_disjunct(box1);
64 known_result.add_disjunct(box2);
65 known_result.add_disjunct(box5);
66
67 typedef void (TBox::*Widening_Member)(const TBox&, unsigned*);
68 Widening_Member wm = &TBox::CC76_widening_assign;
69 box_set1.BGP99_extrapolation_assign(box_set2, widen_fun_ref(wm), 3);
70
71 bool ok = box_set1.geometrically_equals(known_result);
72
73 nout
74 << "*** box_set1.BGP99_extrapolation_assign"
75 << "(box_set2, widen_fun_ref(&CC76_widening_assign), 3) ***"
76 << endl
77 << box_set1 << endl;
78
79 return ok;
80 }
81
82 } // namespace
83
84 BEGIN_MAIN
85 DO_TEST(test01);
86 END_MAIN
87