source: trunk/yat/statistics/VectorFunction.cc @ 1703

Last change on this file since 1703 was 1487, checked in by Jari Häkkinen, 13 years ago

Addresses #436. GPL license copy reference should also be updated.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.9 KB
Line 
1// $Id: VectorFunction.cc 1487 2008-09-10 08:41:36Z jari $
2
3/*
4  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
5  Copyright (C) 2008 Peter Johansson
6
7  This file is part of the yat library, http://dev.thep.lu.se/yat
8
9  The yat library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU General Public License as
11  published by the Free Software Foundation; either version 3 of the
12  License, or (at your option) any later version.
13
14  The yat library is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  General Public License for more details.
18
19  You should have received a copy of the GNU General Public License
20  along with yat. If not, see <http://www.gnu.org/licenses/>.
21*/
22
23#include "VectorFunction.h"
24#include "utility.h"
25
26#include <algorithm>
27#include <cassert>
28#include <numeric>
29#include <vector>
30
31namespace theplu {
32namespace yat {
33namespace statistics { 
34
35  VectorFunction::~VectorFunction(){}
36
37
38  double Max::operator()(const std::vector<double>& vec) const
39  {
40    assert(vec.size());
41    return *(std::max_element(vec.begin(), vec.end()));
42  }
43 
44
45  double Mean::operator()(const std::vector<double>& vec) const
46  {
47    assert(vec.size());
48    return std::accumulate(vec.begin(), vec.end(), 0.0)/vec.size();
49  }
50 
51
52  double Median::operator()(const std::vector<double>& vec) const
53  {
54    assert(vec.size());
55    return median(vec.begin(), vec.end());
56  }
57 
58
59  double Min::operator()(const std::vector<double>& vec) const
60  {
61    assert(vec.size());
62    return *(std::min_element(vec.begin(), vec.end()));
63  }
64 
65
66  Nth_Element::Nth_Element(size_t N)
67    : N_(N) {}
68
69
70  double Nth_Element::operator()(const std::vector<double>& vec) const
71  {
72    assert(N_-1<vec.size());
73    std::vector<double> vec_copy(vec);
74    std::vector<double>::iterator nth = vec_copy.begin()+(N_-1);
75    std::nth_element(vec_copy.begin(), nth, vec_copy.end());
76    return *(nth);
77  }
78 
79
80
81
82}}} // of namespace statistics, yat, and theplu
Note: See TracBrowser for help on using the repository browser.