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stop.hpp
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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, 2006
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 *
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25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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31 *
32 */
33
34namespace Gecode { namespace Search {
35
36 /*
37 * Base class
38 *
39 */
41 Stop::Stop(void) {}
43 Stop::~Stop(void) {}
44
45
46 /*
47 * Stopping for node limit
48 *
49 */
50
52 NodeStop::NodeStop(unsigned long int l0) : l(l0) {}
53
54 forceinline unsigned long int
55 NodeStop::limit(void) const {
56 return l;
57 }
58
59 forceinline void
60 NodeStop::limit(unsigned long int l0) {
61 l=l0;
62 }
63
64
65 /*
66 * Stopping for failure limit
67 *
68 */
69
71 FailStop::FailStop(unsigned long int l0) : l(l0) {}
72
73 forceinline unsigned long int
74 FailStop::limit(void) const {
75 return l;
76 }
77
78 forceinline void
79 FailStop::limit(unsigned long int l0) {
80 l=l0;
81 }
82
83
84 /*
85 * Stopping for time limit
86 *
87 */
88
90 TimeStop::TimeStop(unsigned long int l0)
91 : l(l0) {
92 t.start();
93 }
94
95 forceinline unsigned long int
96 TimeStop::limit(void) const {
97 return l;
98 }
99
100 forceinline void
101 TimeStop::limit(unsigned long int l0) {
102 l=l0;
103 }
104
105 forceinline void
107 t.start();
108 }
109
110}}
111
112// STATISTICS: search-other
NNF * l
Left subtree.
unsigned long int l
Failure limit.
Definition search.hh:855
FailStop(unsigned long int l)
Stop if failure limit l is exceeded.
Definition stop.hpp:71
unsigned long int limit(void) const
Return current limit.
Definition stop.hpp:74
unsigned long int limit(void) const
Return current limit.
Definition stop.hpp:55
NodeStop(unsigned long int l)
Stop if node limit l is exceeded.
Definition stop.hpp:52
unsigned long int l
Node limit.
Definition search.hh:832
Stop(void)
Default constructor.
Definition stop.hpp:41
virtual ~Stop(void)
Destructor.
Definition stop.hpp:43
unsigned long int limit(void) const
Return current limit in milliseconds.
Definition stop.hpp:96
TimeStop(unsigned long int l)
Stop if search exceeds l milliseconds (from creation of this object)
Definition stop.hpp:90
Support::Timer t
Time when execution should stop.
Definition search.hh:874
unsigned long int l
Current limit in milliseconds.
Definition search.hh:876
void reset(void)
Reset time to zero.
Definition stop.hpp:106
void start(void)
Start timer.
Definition timer.hpp:66
Gecode toplevel namespace
#define forceinline
Definition config.hpp:187