permlib
0.2.9
Library for permutation computations
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include
permlib
search
partition
intersection_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 PARTITION_INTERSECTION_SEARCH_H_
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#define PARTITION_INTERSECTION_SEARCH_H_
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#include <permlib/search/partition/r_base.h>
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#include <permlib/predicate/group_intersection_predicate.h>
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namespace
permlib {
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namespace
partition {
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template
<
class
BSGSIN,
class
TRANSRET>
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class
IntersectionSearch
:
public
RBase
<BSGSIN,TRANSRET> {
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public
:
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typedef
typename
RBase<BSGSIN,TRANSRET>::PERM PERM;
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typedef
typename
RBase<BSGSIN,TRANSRET>::TRANS TRANS;
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IntersectionSearch
(
const
BSGSIN& bsgs,
unsigned
int
pruningLevelDCM);
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void
construct
(BSGSIN* bsgs2);
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typedef
typename
RBase<BSGSIN,TRANSRET>::PartitionIt PartitionIt;
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};
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template
<
class
BSGSIN,
class
TRANSRET>
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IntersectionSearch<BSGSIN,TRANSRET>::IntersectionSearch
(
const
BSGSIN& bsgs,
unsigned
int
pruningLevelDCM)
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:
RBase
<BSGSIN,TRANSRET>(bsgs, pruningLevelDCM)
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{ }
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template
<
class
BSGSIN,
class
TRANSRET>
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void
IntersectionSearch<BSGSIN,TRANSRET>::construct
(BSGSIN* bsgs2) {
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GroupIntersectionPredicate<PERM,TRANS>
* intersectPred =
new
GroupIntersectionPredicate<PERM,TRANS>
(
RBase<BSGSIN,TRANSRET>::m_bsgs
, *bsgs2);
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RBase<BSGSIN,TRANSRET>::m_bsgs2
= bsgs2;
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RBase<BSGSIN,TRANSRET>::construct
(intersectPred,
new
GroupRefinementFamily<PERM,TRANS>
(*bsgs2));
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}
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}
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}
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#endif
// -- PARTITION_INTERSECTION_SEARCH_H_
permlib::BaseSearch::m_bsgs2
BSGSIN * m_bsgs2
second BSGS of a group the sough elements have to member of
Definition
base_search.h:93
permlib::BaseSearch::m_bsgs
BSGSIN m_bsgs
main BSGS to search in
Definition
base_search.h:91
permlib::GroupIntersectionPredicate
predicate for the subgroup that arises as the intersection of two given groups
Definition
group_intersection_predicate.h:45
permlib::partition::GroupRefinementFamily
-refinements for group membership
Definition
refinement_family.h:67
permlib::partition::IntersectionSearch::IntersectionSearch
IntersectionSearch(const BSGSIN &bsgs, unsigned int pruningLevelDCM)
constructor
Definition
intersection_search.h:66
permlib::partition::IntersectionSearch::construct
void construct(BSGSIN *bsgs2)
initializes search
Definition
intersection_search.h:71
permlib::partition::RBase::RBase
RBase(const BSGSIN &bsgs, unsigned int pruningLevelDCM, bool stopAfterFirstElement=false)
constructor
Definition
r_base.h:109
permlib::partition::RBase::construct
void construct(SubgroupPredicate< PERM > *pred, RefinementFamily< PERM > *predRefinement)
constructs an R-base for given predicate and refinement family
Definition
r_base.h:115
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