1 /* Poly_Con_Relation class implementation (non-inline functions).
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-config.h"
25 #include "Poly_Con_Relation_defs.hh"
26 #include "assertions.hh"
27 #include <iostream>
28 #include <string>
29
30 namespace PPL = Parma_Polyhedra_Library;
31
32 void
ascii_dump(std::ostream & s) const33 PPL::Poly_Con_Relation::ascii_dump(std::ostream& s) const {
34 flags_t f = flags;
35 if (f == NOTHING) {
36 s << "NOTHING";
37 return;
38 }
39
40 while (true) {
41 if (implies(f, IS_DISJOINT)) {
42 s << "IS_DISJOINT";
43 f &= ~IS_DISJOINT;
44 }
45 else if (implies(f, STRICTLY_INTERSECTS)) {
46 s << "STRICTLY_INTERSECTS";
47 f &= ~STRICTLY_INTERSECTS;
48 }
49 else if (implies(f, IS_INCLUDED)) {
50 s << "IS_INCLUDED";
51 f &= ~IS_INCLUDED;
52 }
53 else if (implies(f, SATURATES)) {
54 s << "SATURATES";
55 f &= ~SATURATES;
56 }
57 if (f != NOTHING) {
58 s << " & ";
59 }
60 else {
61 break;
62 }
63 }
64 }
65
66 PPL_OUTPUT_DEFINITIONS(Poly_Con_Relation)
67
68 /*! \relates Parma_Polyhedra_Library::Poly_Con_Relation */
69 std::ostream&
70 PPL::IO_Operators::operator<<(std::ostream& s, const Poly_Con_Relation& r) {
71 r.ascii_dump(s);
72 return s;
73 }
74
75 bool
OK() const76 PPL::Poly_Con_Relation::OK() const {
77 return true;
78 }
79