dead.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2015
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
#include <gecode/search/seq/dead.hh>
namespace Gecode { namespace Search { namespace Seq {
template<class Tracer>
class GECODE_SEARCH_EXPORT Dead : public Engine {
protected:
Tracer tracer;
Statistics stat;
public:
Dead(const Options& o, const Statistics& stat0);
virtual Space* next(void);
virtual Statistics statistics(void) const;
virtual bool stopped(void) const;
virtual ~Dead(void);
};
template<class Tracer>
Dead<Tracer>::Dead(const Options& o, const Statistics& stat0)
: tracer(o.tracer), stat(stat0) {
tracer.engine(SearchTracer::EngineType::AOE, 1U);
tracer.worker();
}
template<class Tracer>
Space*
Dead<Tracer>::next(void) {
return NULL;
}
template<class Tracer>
bool
Dead<Tracer>::stopped(void) const {
return false;
}
template<class Tracer>
Statistics
Dead<Tracer>::statistics(void) const {
return stat;
}
template<class Tracer>
Dead<Tracer>::~Dead(void) {
tracer.done();
}
Engine*
dead(const Options& o, const Statistics& stat) {
if (o.tracer)
return new Dead<TraceRecorder>(o,stat);
else
return new Dead<NoTraceRecorder>(o,stat);
}
}}}
// STATISTICS: search-seq
Gecode::SearchTracer::AOE
@ AOE
Unspecified engine (any other engine).
Definition search.hh:199
Gecode::Search::Engine
Search engine implementation interface
Definition search.hh:899
Gecode::Search::Options
Search engine options
Definition search.hh:746
Gecode::Search::Options::tracer
SearchTracer * tracer
Tracer object for tracing search.
Definition search.hh:769
Gecode::Search::Seq::Dead
A dead engine (failed root).
Definition dead.cpp:40
Gecode::Search::Seq::Dead::tracer
Tracer tracer
Search tracer.
Definition dead.cpp:43
Gecode::Search::Seq::Dead::stat
Statistics stat
Statistics.
Definition dead.cpp:45
Gecode::Search::Seq::Dead::Dead
Dead(const Options &o, const Statistics &stat0)
Initialize.
Definition dead.cpp:60
Gecode::Search::Seq::Dead::~Dead
virtual ~Dead(void)
Delete.
Definition dead.cpp:85
Gecode::Search::Seq::Dead::next
virtual Space * next(void)
Return next solution (NULL, if none exists or search has been stopped).
Definition dead.cpp:68
Gecode::Search::Seq::Dead::stopped
virtual bool stopped(void) const
Check whether engine has been stopped.
Definition dead.cpp:74
Gecode::Search::Seq::Dead::statistics
virtual Statistics statistics(void) const
Return statistics.
Definition dead.cpp:80
Gecode::Search::Statistics
Search engine statistics
Definition search.hh:147
Gecode::Space
Computation spaces.
Definition core.hpp:1742
Gecode::Tracer
Tracer.
Definition tracer.hpp:149
dead.hh
Gecode::Search::Seq
Definition pbs.cpp:36
Gecode::Search::Seq::dead
Engine * dead(const Options &o, const Statistics &stat)
Definition dead.cpp:90
Gecode::Search
Search engines
Gecode
Gecode toplevel namespace
GECODE_SEARCH_EXPORT
#define GECODE_SEARCH_EXPORT
Definition search.hh:67