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gecode
search
seq
dfs.hh
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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, 2009
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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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#ifndef __GECODE_SEARCH_SEQ_DFS_HH__
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#define __GECODE_SEARCH_SEQ_DFS_HH__
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#include <
gecode/search.hh
>
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#include <
gecode/search/support.hh
>
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#include <
gecode/search/worker.hh
>
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#include <
gecode/search/seq/path.hh
>
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namespace
Gecode
{
namespace
Search {
namespace
Seq {
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template
<
class
Tracer>
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class
DFS
:
public
Worker
{
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private
:
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Tracer
tracer;
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Options
opt;
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Path<Tracer>
path;
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Space
* cur;
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unsigned
int
d;
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public
:
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DFS
(
Space
* s,
const
Options
& o);
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Space
*
next
(
void
);
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Statistics
statistics
(
void
)
const
;
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void
constrain
(
const
Space
&
b
);
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void
reset
(
Space
* s);
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NoGoods
&
nogoods
(
void
);
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~DFS
(
void
);
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};
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}}}
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#include <
gecode/search/seq/dfs.hpp
>
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#endif
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// STATISTICS: search-seq
Gecode::Search::Seq::DFS::nogoods
NoGoods & nogoods(void)
Return no-goods.
Definition:
dfs.hpp:72
Gecode::Search::Seq::DFS::constrain
void constrain(const Space &b)
Constrain future solutions to be better than b (should never be called)
Definition:
dfs.hpp:170
Gecode::Search::Worker
Search worker statistics
Definition:
worker.hh:44
worker.hh
Gecode::Search::Options
Search engine options
Definition:
search.hh:746
Gecode::Search::Seq::Path
Depth-first path (stack of edges) supporting recomputation.
Definition:
path.hh:60
search.hh
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
support.hh
Gecode::Search::Seq::DFS
Depth-first search engine implementation.
Definition:
dfs.hh:46
Gecode
Gecode toplevel namespace
Gecode::Search::Seq::DFS::statistics
Statistics statistics(void) const
Return statistics.
Definition:
dfs.hpp:164
Gecode::NoGoods
No-goods recorded from restarts.
Definition:
core.hpp:1588
b
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
Gecode::Search::Seq::DFS::DFS
DFS(Space *s, const Options &o)
Initialize for space s with options o.
Definition:
dfs.hpp:38
dfs.hpp
Gecode::Tracer
Tracer.
Definition:
tracer.hpp:149
Gecode::Search::Seq::DFS::~DFS
~DFS(void)
Destructor.
Definition:
dfs.hpp:177
path.hh
Gecode::Search::Statistics::reset
void reset(void)
Reset.
Definition:
statistics.hpp:39
Gecode::Search::Statistics
Search engine statistics
Definition:
search.hh:147
Gecode::Search::Seq::DFS::next
Space * next(void)
Search for next solution
Definition:
dfs.hpp:78