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gecode
search
seq
dead.cpp
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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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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2015
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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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#include <
gecode/search/seq/dead.hh
>
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namespace
Gecode
{
namespace
Search {
namespace
Seq {
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template
<
class
Tracer>
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class
GECODE_SEARCH_EXPORT
Dead
:
public
Engine
{
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protected
:
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Tracer
tracer
;
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Statistics
stat
;
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public
:
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Dead
(
const
Options
& o,
const
Statistics
& stat0);
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virtual
Space
* next(
void
);
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virtual
Statistics
statistics(
void
)
const
;
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virtual
bool
stopped(
void
)
const
;
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virtual
~
Dead
(
void
);
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};
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template
<
class
Tracer>
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Dead<Tracer>::Dead
(
const
Options
& o,
const
Statistics
& stat0)
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: tracer(o.tracer), stat(stat0) {
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tracer
.engine(SearchTracer::EngineType::AOE, 1U);
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tracer
.worker();
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}
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template
<
class
Tracer>
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Space
*
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Dead<Tracer>::next
(
void
) {
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return
NULL;
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}
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template
<
class
Tracer>
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bool
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Dead<Tracer>::stopped
(
void
)
const
{
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return
false
;
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}
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template
<
class
Tracer>
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Statistics
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Dead<Tracer>::statistics
(
void
)
const
{
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return
stat;
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}
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template
<
class
Tracer>
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Dead<Tracer>::~Dead
(
void
) {
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tracer.done();
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}
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Engine
*
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dead
(
const
Options
& o,
const
Statistics
& stat) {
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if
(o.
tracer
)
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return
new
Dead<TraceRecorder>
(o,stat);
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else
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return
new
Dead<NoTraceRecorder>
(o,stat);
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}
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}}}
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// STATISTICS: search-seq
Gecode::Search::Seq::Dead::statistics
virtual Statistics statistics(void) const
Return statistics.
Definition:
dead.cpp:80
GECODE_SEARCH_EXPORT
#define GECODE_SEARCH_EXPORT
Definition:
search.hh:67
Gecode::Search::Options
Search engine options
Definition:
search.hh:746
Gecode::Search::Seq::dead
Engine * dead(const Options &o, const Statistics &stat)
Definition:
dead.cpp:90
dead.hh
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
Gecode::Search::Seq::Dead::stat
Statistics stat
Statistics.
Definition:
dead.cpp:45
Gecode
Gecode toplevel namespace
Gecode::Search::Engine
Search engine implementation interface
Definition:
search.hh:899
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::Tracer
Tracer.
Definition:
tracer.hpp:149
Gecode::Search::Seq::Dead::~Dead
virtual ~Dead(void)
Delete.
Definition:
dead.cpp:85
Gecode::Search::Seq::Dead::Dead
Dead(const Options &o, const Statistics &stat0)
Initialize.
Definition:
dead.cpp:60
Gecode::Search::Seq::Dead::stopped
virtual bool stopped(void) const
Check whether engine has been stopped.
Definition:
dead.cpp:74
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::Statistics
Search engine statistics
Definition:
search.hh:147
Gecode::Search::Options::tracer
SearchTracer * tracer
Tracer object for tracing search.
Definition:
search.hh:769