source: trunk/yat/classifier/DataLookup1D.h @ 720

Last change on this file since 720 was 720, checked in by Jari Häkkinen, 15 years ago

Fixes #170. Almost all inlines removed, some classes have no cc file.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date ID
File size: 2.6 KB
Line 
1#ifndef _theplu_yat_classifier_dataLookup1D_
2#define _theplu_yat_classifier_dataLookup1D_
3
4// $Id$
5
6/*
7  Copyright (C) The authors contributing to this file.
8
9  This file is part of the yat library, http://lev.thep.lu.se/trac/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 2 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with this program; if not, write to the Free Software
23  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24  02111-1307, USA.
25*/
26
27#include "DataLookup2D.h"
28
29#include <cassert>
30#include <iostream>
31#include <vector>
32
33namespace theplu {
34namespace yat {
35namespace classifier { 
36
37  ///
38  /// Class for general vector view
39  ///
40
41  class DataLookup1D
42  {
43 
44  public:
45
46    ///
47    /// Constructor.
48    ///
49    /// @param row_vector if true DataLookup1D is looking into a
50    /// row of DataLookup2D, otherwise looking into a
51    /// column. @param index which row/column to look into.
52    ///
53    DataLookup1D(const DataLookup2D&, const size_t index, 
54                 const bool row_vector);
55
56    ///
57    /// Copy constructor
58    ///
59    DataLookup1D(const DataLookup1D&);
60
61    ///
62    /// Construct DataLookup1D that owns its underlying matrix. Object
63    /// has size @ size and all its element is equal to @a value.
64    ///
65    DataLookup1D(const size_t size, const double value=0); 
66
67    ///
68    ///
69    ///
70    virtual ~DataLookup1D();
71
72    ///
73    /// @return number of elements
74    ///
75    size_t size(void) const;
76
77    ///
78    /// @brief access operator
79    ///
80    double operator()(const size_t i) const;
81
82    ///
83    /// @brief access operator
84    ///
85    double operator[](const size_t i) const;
86
87    ///
88    /// scalar product
89    ///
90    double operator*(const DataLookup1D&) const;
91
92  private:
93    const DataLookup1D& operator=(const DataLookup1D&);
94
95    const bool column_vector_;
96    const size_t index_;
97    const DataLookup2D* matrix_;
98    const bool owner_;
99   
100  };
101
102  ///
103  /// @brief The output operator for DataLookup1D.
104  ///
105  /**
106   * Elements are separated by the character from the omanip fill.
107   * The following example will write the elements separated by tab.
108   *
109   @verbatim
110   char prev=s.fill('\t');
111   s << v;
112   s.fill(prev);
113   @endverbatim
114  */
115  std::ostream& operator<<(std::ostream& s, const DataLookup1D& v);
116 
117}}} // of namespace classifier, yat, and theplu
118
119#endif
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