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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 *
6 * Copyright:
7 * Christian Schulte, 2016
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34namespace Gecode { namespace Int {
35
36 /// Duplicate of a Boolean view
37 class BoolTraceView {
38 public:
39 /// Default constructor (initializes with no view)
40 BoolTraceView(void);
41 /// Duplicate view \a y
42 BoolTraceView(Space& home, BoolView y);
43 /// Update duplicated view from view \a y and modification delta \a d
44 void prune(Space& home, BoolView y, const Delta& d);
45 /// Update duplicate view during copying
46 void update(Space&home, BoolTraceView x);
47 /// Return slack of \a x
48 static unsigned int slack(BoolView x);
49 };
50
51
52 forceinline
53 BoolTraceView::BoolTraceView(void) {}
54 forceinline
55 BoolTraceView::BoolTraceView(Space&, BoolView) {}
56 forceinline void
57 BoolTraceView::prune(Space&, BoolView, const Delta&) {}
58 forceinline void
59 BoolTraceView::update(Space&, BoolTraceView) {}
60 forceinline unsigned int
61 BoolTraceView::slack(BoolView x) {
62 return x.width()-1;
63 }
64
65
66
67}}
68
69// STATISTICS: int-trace