permlib
0.2.9
Library for permutation computations
Toggle main menu visibility
Loading...
Searching...
No Matches
include
permlib
change
deterministic_base_transpose.h
1
// ---------------------------------------------------------------------------
2
//
3
// This file is part of PermLib.
4
//
5
// Copyright (c) 2009-2011 Thomas Rehn <thomas@carmen76.de>
6
// All rights reserved.
7
//
8
// Redistribution and use in source and binary forms, with or without
9
// modification, are permitted provided that the following conditions
10
// are met:
11
// 1. Redistributions of source code must retain the above copyright
12
// notice, this list of conditions and the following disclaimer.
13
// 2. Redistributions in binary form must reproduce the above copyright
14
// notice, this list of conditions and the following disclaimer in the
15
// documentation and/or other materials provided with the distribution.
16
// 3. The name of the author may not be used to endorse or promote products
17
// derived from this software without specific prior written permission.
18
//
19
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
//
30
// ---------------------------------------------------------------------------
31
32
33
#ifndef DETERMINISTICBASETRANSPOSE_H_
34
#define DETERMINISTICBASETRANSPOSE_H_
35
36
#include <permlib/change/base_transpose.h>
37
#include <permlib/generator/schreier_generator.h>
38
39
namespace
permlib {
40
42
45
template
<
class
PERM,
class
TRANS>
46
class
DeterministicBaseTranspose
:
public
BaseTranspose
<PERM,TRANS> {
47
protected
:
48
typedef
typename
BaseTranspose<PERM,TRANS>::PERMlist PERMlist;
49
50
virtual
Generator<PERM>
*
setupGenerator
(
BSGS<PERM,TRANS>
&bsgs,
unsigned
int
i,
const
PERMlist &S_i,
const
TRANS
&U_i)
const
;
51
};
52
53
//
54
// ---- IMPLEMENTATION
55
//
56
57
template
<
class
PERM,
class
TRANS>
58
Generator<PERM>
*
DeterministicBaseTranspose<PERM,TRANS>::setupGenerator
(
BSGS<PERM,TRANS>
&bsgs,
unsigned
int
i,
const
PERMlist &S_i,
const
TRANS
&U_i)
const
{
59
return
new
SchreierGenerator<PERM,TRANS>
(&U_i, S_i.begin(), S_i.end());
60
}
61
62
}
63
64
#endif
// -- DETERMINISTICBASETRANSPOSE_H_
permlib::TRANS
permlib::BaseTranspose::BaseTranspose
BaseTranspose()
constructor
Definition
base_transpose.h:86
permlib::DeterministicBaseTranspose
implementation of a deterministic base transposition algorithm
Definition
deterministic_base_transpose.h:46
permlib::DeterministicBaseTranspose::setupGenerator
virtual Generator< PERM > * setupGenerator(BSGS< PERM, TRANS > &bsgs, unsigned int i, const PERMlist &S_i, const TRANS &U_i) const
initializes the specific Schreier Generator that is used for the BaseTranpose implementation
Definition
deterministic_base_transpose.h:58
permlib::Generator
interface for group element generators
Definition
generator.h:40
permlib::SchreierGenerator
stateful generator of Schreier generators
Definition
schreier_generator.h:55
permlib::BSGS
Represents a base and strong generating set (BSGS).
Definition
bsgs.h:89
Generated on
for permlib by
1.17.0