Generated on Sat Jan 20 2018 22:21:16 for Gecode by doxygen 1.8.13
bool-delta.hpp
Go to the documentation of this file.
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  * Last modified:
10  * $Date: 2017-03-17 23:04:57 +0100 (Fri, 17 Mar 2017) $ by $Author: schulte $
11  * $Revision: 15597 $
12  *
13  * This file is part of Gecode, the generic constraint
14  * development environment:
15  * http://www.gecode.org
16  *
17  * Permission is hereby granted, free of charge, to any person obtaining
18  * a copy of this software and associated documentation files (the
19  * "Software"), to deal in the Software without restriction, including
20  * without limitation the rights to use, copy, modify, merge, publish,
21  * distribute, sublicense, and/or sell copies of the Software, and to
22  * permit persons to whom the Software is furnished to do so, subject to
23  * the following conditions:
24  *
25  * The above copyright notice and this permission notice shall be
26  * included in all copies or substantial portions of the Software.
27  *
28  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35  *
36  */
37 
38 namespace Gecode {
39 
42  const Delta&)
43  : delta(1-n.val()) {}
44  forceinline bool
46  return delta >= 0;
47  }
48  forceinline void
50  delta = -1;
51  }
52  forceinline int
53  BoolTraceDelta::min(void) const {
54  return delta;
55  }
56  forceinline int
57  BoolTraceDelta::max(void) const {
58  return delta;
59  }
60  forceinline unsigned int
61  BoolTraceDelta::width(void) const {
62  return 1U;
63  }
64 
65 }
66 
67 // STATISTICS: int-trace
Duplicate of a Boolean view.
void operator++(void)
Move iterator to next range (if possible)
Definition: bool-delta.hpp:49
unsigned int width(void) const
Return width of range (distance between minimum and maximum)
Definition: bool-delta.hpp:61
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
bool operator()(void) const
Test whether iterator is still at a range or done.
Definition: bool-delta.hpp:45
Generic domain change information to be supplied to advisors.
Definition: core.hpp:281
#define forceinline
Definition: config.hpp:173
int min(void) const
Return smallest value of range.
Definition: bool-delta.hpp:53
Gecode toplevel namespace
BoolTraceDelta(Int::BoolTraceView o, Int::BoolView n, const Delta &d)
Initialize with old trace view o, new view n, and delta d.
Definition: bool-delta.hpp:41
int delta
Delta information.
Definition: int.hh:5081
int max(void) const
Return largest value of range.
Definition: bool-delta.hpp:57
Boolean view for Boolean variables.
Definition: view.hpp:1315