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gecode
search
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: 2013-07-11 12:30:18 +0200 (Thu, 11 Jul 2013) $ by $Author: schulte $
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* $Revision: 13840 $
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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/support.hh
>
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#include <
gecode/search/meta/rbs.hh
>
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namespace
Gecode {
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namespace
Search {
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GECODE_SEARCH_EXPORT
Engine*
rbs
(Space* s,
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MetaStop*
stop
,
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Engine* e,
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const
Options& o);
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}
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template
<
template
<
class
>
class
E,
class
T>
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forceinline
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RBS<E,T>::RBS
(T* s,
const
Search::Options
& m_opt) {
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if
(m_opt.
cutoff
== NULL)
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throw
Search::UninitializedCutoff
(
"RBS::RBS"
);
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Search::Options
e_opt(m_opt);
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e_opt.
clone
=
true
;
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Search::MetaStop
* ms =
new
Search::MetaStop
(m_opt.
stop
);
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e_opt.
stop
= ms;
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Space
* master;
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if
(m_opt.
clone
) {
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if
(s->status(ms->m_stat) ==
SS_FAILED
) {
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ms->m_stat.
fail
++;
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master = NULL;
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}
else
{
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master = s->
clone
();
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}
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}
else
{
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master = s;
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}
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E<T> engine(dynamic_cast<T*>(master),e_opt);
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EngineBase
* eb = &engine;
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Search::Engine
* ee = eb->
e
;
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eb->
e
= NULL;
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e =
Search::rbs
(master,ms,ee,m_opt);
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}
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template
<
template
<
class
>
class
E,
class
T>
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forceinline
T*
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RBS<E,T>::next
(
void
) {
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return
dynamic_cast<
T*
>
(e->next());
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}
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template
<
template
<
class
>
class
E,
class
T>
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forceinline
Search::Statistics
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RBS<E,T>::statistics
(
void
)
const
{
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return
e->statistics();
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}
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template
<
template
<
class
>
class
E,
class
T>
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forceinline
bool
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RBS<E,T>::stopped
(
void
)
const
{
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return
e->stopped();
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}
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template
<
template
<
class
>
class
E,
class
T>
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forceinline
T*
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rbs
(T* s,
const
Search::Options
& o) {
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RBS<E,T>
r
(s,o);
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return
r.
next
();
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}
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}
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// STATISTICS: search-other