permlib 0.2.9
Library for permutation computations
Loading...
Searching...
No Matches
pointwise_stabilizer_predicate.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 POINTWISESTABILIZERPREDICATE_H_
34#define POINTWISESTABILIZERPREDICATE_H_
35
36#include <boost/foreach.hpp>
37
38namespace permlib {
39
41template <class PERM>
42class PointwiseStabilizerPredicate : public std::unary_function<typename PERM::ptr, bool> {
43public:
45
49 template<class InputIterator>
50 PointwiseStabilizerPredicate(InputIterator begin, InputIterator end)
51 : m_toStabilize(begin, end)
52 { }
53
54 explicit PointwiseStabilizerPredicate(unsigned int x)
55 : m_toStabilize(1, x)
56 { }
57
59 bool operator()(const typename PERM::ptr &p) const {
60 BOOST_FOREACH(unsigned long beta, m_toStabilize) {
61 if (*p / beta != beta)
62 return false;
63 }
64 return true;
65 };
66private:
67 std::vector<dom_int> m_toStabilize;
68};
69
70}
71
72#endif // -- POINTWISESTABILIZERPREDICATE_H_
PointwiseStabilizerPredicate(InputIterator begin, InputIterator end)
constructor
Definition pointwise_stabilizer_predicate.h:50
bool operator()(const typename PERM::ptr &p) const
evaluate predicate
Definition pointwise_stabilizer_predicate.h:59