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gecode
search
meta
rbs.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2012
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*
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* Last modified:
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* $Date: 2016-04-19 17:19:45 +0200 (Tue, 19 Apr 2016) $ by $Author: schulte $
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* $Revision: 14967 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace
Gecode
{
namespace
Search {
namespace
Meta {
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forceinline
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RestartStop::RestartStop
(
Stop
* s)
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:
l
(0), m_stop(s), e_stopped(false) {}
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forceinline
void
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RestartStop::limit
(
const
Search::Statistics
& s,
unsigned
long
int
l0) {
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l = l0;
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m_stat += s;
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e_stopped =
false
;
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}
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forceinline
void
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RestartStop::update
(
const
Search::Statistics
& s) {
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m_stat += s;
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}
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forceinline
bool
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RestartStop::enginestopped
(
void
)
const
{
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return
e_stopped;
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}
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forceinline
Statistics
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RestartStop::metastatistics
(
void
)
const
{
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return
m_stat;
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}
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forceinline
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RBS::RBS
(
Space
* s,
RestartStop
* stop0,
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Engine
* e0,
const
Search::Statistics
& stat,
const
Options
&
opt
,
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bool
best0)
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: e(e0), master(s), last(NULL), co(
opt
.cutoff),
stop
(stop0),
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sslr(0),
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shared_data(
opt
.
threads
<= 1.0), shared_info(
opt
.share_rbs),
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complete(true), restart(false), best(best0) {
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stop
->
limit
(stat,(*
co
)());
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}
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}}}
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// STATISTICS: search-meta
forceinline
#define forceinline
Definition:
config.hpp:173
Gecode::Search::Meta::RBS::stop
RestartStop * stop
The stop control object.
Definition:
rbs.hh:87
Gecode::Search::Options
Search engine options
Definition:
search.hh:446
Gecode::Search::Stop
Base-class for Stop-object.
Definition:
search.hh:501
Gecode::Search::Meta::RestartStop::metastatistics
Statistics metastatistics(void) const
Return statistics for the meta engine.
Definition:
rbs.hpp:63
Gecode::Search::Config::threads
const double threads
Number of threads to use.
Definition:
search.hh:106
Gecode::Space
Computation spaces.
Definition:
core.hpp:1748
Gecode::Search::Meta::stop
Stop * stop(Stop *stop)
Create stop object.
Definition:
rbs.cpp:43
Gecode
Gecode toplevel namespace
Test::opt
Options opt
The options.
Definition:
test.cpp:101
Gecode::Search::Meta::RestartStop
Stop-object for restart engine
Definition:
rbs.hh:48
Gecode::Search::Engine
Search engine implementation interface
Definition:
search.hh:601
Gecode::Search::Meta::RestartStop::update
void update(const Search::Statistics &s)
Update statistics.
Definition:
rbs.hpp:53
Gecode::Search::Meta::RBS::co
Cutoff * co
The cutoff object.
Definition:
rbs.hh:85
Gecode::Search::Meta::RBS::RBS
RBS(Space *s, RestartStop *stop0, Engine *e0, const Search::Statistics &stat, const Options &o, bool best)
Constructor.
Definition:
rbs.hpp:69
Gecode::Search::Meta::RestartStop::RestartStop
RestartStop(Stop *s)
Stop the meta engine if indicated by the stop object s.
Definition:
rbs.hpp:42
l
NNF * l
Left subtree.
Definition:
bool-expr.cpp:244
Gecode::Search::Meta::RestartStop::enginestopped
bool enginestopped(void) const
Return whether the engine has been stopped.
Definition:
rbs.hpp:58
Gecode::Search::Meta::RestartStop::limit
void limit(const Statistics &s, unsigned long int l)
Set current limit for the engine to l fails.
Definition:
rbs.hpp:46
Gecode::Search::Statistics
Search engine statistics
Definition:
search.hh:140