PLearn 0.1
|
00001 // -*- C++ -*- 00002 00003 // AppendNeighborsVMatrix.h 00004 // 00005 // Copyright (C) 2004 Martin Monperrus 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: AppendNeighborsVMatrix.h 3994 2005-08-25 13:35:03Z chapados $ 00037 ******************************************************* */ 00038 00039 // Authors: Martin Monperrus & Yoshua Bengio 00040 00044 #ifndef AppendNeighborsVMatrix_INC 00045 #define AppendNeighborsVMatrix_INC 00046 00047 #include "SourceVMatrix.h" 00048 #include <plearn/var/Func.h> 00049 00050 namespace PLearn { 00051 using namespace std; 00052 00059 class AppendNeighborsVMatrix: public SourceVMatrix 00060 { 00061 00062 private: 00063 00064 typedef SourceVMatrix inherited; 00065 00067 mutable Vec input, target, transf; 00068 mutable real weight; 00069 00070 protected: 00071 // NON-OPTION FIELDS 00072 00074 TMat<int> input_parts; 00075 00076 // ********************* 00077 // * protected options * 00078 // ********************* 00079 00080 public: 00081 00082 // ************************ 00083 // * public build options * 00084 // ************************ 00085 00087 int n_neighbors; 00089 Func transformation; 00092 bool append_neighbor_indices; 00093 00094 // **************** 00095 // * Constructors * 00096 // **************** 00097 00098 // Default constructor, make sure the implementation in the .cc 00099 // initializes all fields to reasonable default values. 00100 AppendNeighborsVMatrix(); 00101 00102 // ****************** 00103 // * Object methods * 00104 // ****************** 00105 00106 private: 00108 // (Please implement in .cc) 00109 void build_(); 00110 00111 protected: 00113 // (Please implement in .cc) 00114 static void declareOptions(OptionList& ol); 00115 00117 virtual void getNewRow(int i, const Vec& v) const; 00118 00119 public: 00120 // simply calls inherited::build() then build_() 00121 virtual void build(); 00122 00124 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00125 00127 PLEARN_DECLARE_OBJECT(AppendNeighborsVMatrix); 00128 00129 }; 00130 DECLARE_OBJECT_PTR(AppendNeighborsVMatrix); 00131 00132 inline VMat append_neighbors(VMat source, int n_neighbors, bool append_neighbor_indices = false, Func transformation=0) 00133 { 00134 AppendNeighborsVMatrix* vmat = new AppendNeighborsVMatrix(); 00135 vmat->source=source; 00136 vmat->n_neighbors=n_neighbors; 00137 vmat->transformation = transformation; 00138 vmat->append_neighbor_indices = append_neighbor_indices; 00139 vmat->build(); 00140 return vmat; 00141 } 00142 00143 } // end of namespace PLearn 00144 #endif 00145 00146 00147 /* 00148 Local Variables: 00149 mode:c++ 00150 c-basic-offset:4 00151 c-file-style:"stroustrup" 00152 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00153 indent-tabs-mode:nil 00154 fill-column:79 00155 End: 00156 */ 00157 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :