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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 * Vincent Barichard <Vincent.Barichard@univ-angers.fr>
6 *
7 * Copyright:
8 * Christian Schulte, 2003
9 * Vincent Barichard, 2012
10 *
11 * This file is part of Gecode, the generic constraint
12 * development environment:
13 * http://www.gecode.org
14 *
15 * Permission is hereby granted, free of charge, to any person obtaining
16 * a copy of this software and associated documentation files (the
17 * "Software"), to deal in the Software without restriction, including
18 * without limitation the rights to use, copy, modify, merge, publish,
19 * distribute, sublicense, and/or sell copies of the Software, and to
20 * permit persons to whom the Software is furnished to do so, subject to
21 * the following conditions:
22 *
23 * The above copyright notice and this permission notice shall be
24 * included in all copies or substantial portions of the Software.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 *
34 */
35
36#include <sstream>
37
38namespace Gecode { namespace Float {
39 namespace Linear {
40 class NoView;
41 }
42
43 template<class Char, class Traits, class View>
44 std::basic_ostream<Char,Traits>&
45 print_view(std::basic_ostream<Char,Traits>& os, const View& x) {
46 std::basic_ostringstream<Char,Traits> s;
47 s.copyfmt(os); s.width(0);
48 if (x.assigned()) {
49 s << "[[" << x.med() << "]]";
50 } else {
51 s << "[[" << x.min() << ".." << x.max() << "]]";
52 }
53 return os << s.str();
54 }
55
56 template<class Char, class Traits>
57 inline std::basic_ostream<Char,Traits>&
58 operator <<(std::basic_ostream<Char,Traits>& os, const FloatView& x) {
59 return print_view(os,x);
60 }
61
62 template<class Char, class Traits>
63 inline std::basic_ostream<Char,Traits>&
64 operator <<(std::basic_ostream<Char,Traits>& os, const MinusView& x) {
65 return print_view(os,x);
66 }
67
68 template<class Char, class Traits>
69 inline std::basic_ostream<Char,Traits>&
70 operator <<(std::basic_ostream<Char,Traits>& os, const OffsetView& x) {
71 return print_view(os,x);
72 }
73
74 template<class Char, class Traits>
75 inline std::basic_ostream<Char,Traits>&
76 operator <<(std::basic_ostream<Char,Traits>& os, const ScaleView& x) {
77 return print_view(os,x);
78 }
79
80 template<class Char, class Traits>
81 inline std::basic_ostream<Char,Traits>&
82 operator <<(std::basic_ostream<Char,Traits>& os, const Linear::NoView&) {
83 return os << "NoView";
84 }
85
86}}
87
88// STATISTICS: float-var
89