# source:trunk/yat/regression/KernelTriCube.h@767

Last change on this file since 767 was 767, checked in by Peter, 17 years ago

Fixes #65

• Property svn:eol-style set to `native`
• Property svn:keywords set to `Id`
File size: 1.4 KB
Line
1#ifndef _theplu_yat_regression_kerneltricube_
2#define _theplu_yat_regression_kerneltricube_
3
4// \$Id: KernelTriCube.h 767 2007-02-22 15:14:40Z peter \$
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
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 "Kernel.h"
28
29namespace theplu {
30namespace yat {
31namespace regression {
32
33  ///
34  /// @brief Class for TriCubal kernel.
35  ///
36  class KernelTriCube : public Kernel
37  {
38
39  public:
40    ///
41    /// Constructor
42    ///
43    KernelTriCube() ;
44
45    ///
46    /// Operator calculating kernel value as \f\$ w(x)=(1-|x|^3)^3\f\$ if
47    /// \f\$|x|\le 1 \f\$, \f\$ w(x)=0 \f\$ otherwise.
48    ///
49    double operator()(const double) const;
50
51  private:
52  };
53
54}}} // of namespaces regression, yat, and theplu
55
56#endif
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