permlib
0.2.9
Library for permutation computations
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include
permlib
search
classic
set_stabilizer_search.h
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// ---------------------------------------------------------------------------
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//
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// This file is part of PermLib.
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//
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// Copyright (c) 2009-2011 Thomas Rehn <thomas@carmen76.de>
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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#ifndef CLASSIC_SET_STABILIZER_SEARCH_H_
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#define CLASSIC_SET_STABILIZER_SEARCH_H_
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#include <permlib/search/classic/backtrack_search.h>
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#include <permlib/predicate/setwise_stabilizer_predicate.h>
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namespace
permlib {
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namespace
classic {
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template
<
class
BSGSIN,
class
TRANSRET>
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class
SetStabilizerSearch
:
public
BacktrackSearch
<BSGSIN,TRANSRET> {
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public
:
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typedef
typename
BacktrackSearch<BSGSIN,TRANSRET>::PERM PERM;
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SetStabilizerSearch
(
const
BSGSIN& bsgs,
unsigned
int
pruningLevelDCM);
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template
<
class
InputIterator>
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void
construct
(InputIterator begin, InputIterator end);
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};
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template
<
class
BSGSIN,
class
TRANSRET>
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SetStabilizerSearch<BSGSIN,TRANSRET>::SetStabilizerSearch
(
const
BSGSIN& bsgs,
unsigned
int
pruningLevelDCM)
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:
BacktrackSearch
<BSGSIN,TRANSRET>(bsgs, pruningLevelDCM, true)
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{ }
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template
<
class
BSGSIN,
class
TRANSRET>
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template
<
class
InputIterator>
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void
SetStabilizerSearch<BSGSIN,TRANSRET>::construct
(InputIterator begin, InputIterator end) {
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SetwiseStabilizerPredicate<PERM>
* stabPred =
new
SetwiseStabilizerPredicate<PERM>
(begin, end);
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this->
m_limitLevel
= stabPred->
limit
();
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this->
m_limitBase
= this->
m_limitLevel
;
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this->
m_limitInitialized
=
true
;
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BacktrackSearch<BSGSIN,TRANSRET>::construct
(stabPred,
false
);
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}
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}
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}
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#endif
// -- CLASSIC_SET_STABILIZER_SEARCH_H_
permlib::BaseSearch::m_limitLevel
unsigned int m_limitLevel
maximal backtrack level
Definition
base_search.h:112
permlib::BaseSearch::m_limitInitialized
bool m_limitInitialized
true iff other m_limit variables have been initialized
Definition
base_search.h:108
permlib::BaseSearch::m_limitBase
unsigned int m_limitBase
number of base points that correspond to maximal backtrack level m_limitLevel
Definition
base_search.h:110
permlib::SetwiseStabilizerPredicate
predicate for the subgroup that stabilizes a given point set
Definition
setwise_stabilizer_predicate.h:44
permlib::SetwiseStabilizerPredicate::limit
virtual unsigned int limit() const
limit of recursion depth in backtrack search
Definition
setwise_stabilizer_predicate.h:89
permlib::classic::BacktrackSearch::BacktrackSearch
BacktrackSearch(const BSGSIN &bsgs, unsigned int pruningLevelDCM, bool breakAfterChildRestriction=false, bool stopAfterFirstElement=false)
constructor
Definition
backtrack_search.h:90
permlib::classic::BacktrackSearch::construct
void construct(SubgroupPredicate< PERM > *pred, bool addPredRefinement)
initializes the search
Definition
backtrack_search.h:188
permlib::classic::SetStabilizerSearch::construct
void construct(InputIterator begin, InputIterator end)
initializes search
Definition
set_stabilizer_search.h:71
permlib::classic::SetStabilizerSearch::SetStabilizerSearch
SetStabilizerSearch(const BSGSIN &bsgs, unsigned int pruningLevelDCM)
constructor
Definition
set_stabilizer_search.h:65
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