PLearn 0.1
|
00001 // -*- C++ -*- 00002 00003 // MixUnlabeledNeighbourVMatrix.h 00004 // 00005 // Copyright (C) 2006 Pierre-Jean L Heureux 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 // Authors: Pierre-Jean L Heureux 00036 00040 #ifndef MixUnlabeledNeighbourVMatrix_INC 00041 #define MixUnlabeledNeighbourVMatrix_INC 00042 00043 #include <plearn/vmat/SortRowsVMatrix.h> 00044 #include <plearn/vmat/SourceVMatrix.h> 00045 #include <plearn/math/PRandom.h> 00046 00047 00048 namespace PLearn { 00049 00060 class MixUnlabeledNeighbourVMatrix : public SourceVMatrix 00061 { 00062 typedef SourceVMatrix inherited; 00063 00064 public: 00065 //##### Public Build Options ############################################ 00066 00069 00070 long seed; 00071 TVec<int> indices; // indices of the kept rows 00072 VMat source_select; 00073 double frac; 00074 00075 public: 00076 //##### Public Member Functions ######################################### 00077 00079 // ### Make sure the implementation in the .cc 00080 // ### initializes all fields to reasonable default values. 00081 MixUnlabeledNeighbourVMatrix(); 00082 00083 00084 //##### PLearn::Object Protocol ######################################### 00085 00086 // Declares other standard object methods. 00087 // ### If your class is not instantiatable (it has pure virtual methods) 00088 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00089 PLEARN_DECLARE_OBJECT(MixUnlabeledNeighbourVMatrix); 00090 00091 // Simply calls inherited::build() then build_() 00092 virtual void build(); 00093 00095 // (PLEASE IMPLEMENT IN .cc) 00096 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00097 00098 protected: 00099 //##### Protected Options ############################################### 00100 00101 // ### Declare protected option fields (such as learned parameters) here 00103 PP<PRandom> random_generator; 00104 00106 PP<SortRowsVMatrix> sorted_source_select; 00108 mutable Vec row_buffer; 00109 00112 Vec neighbor_weights; 00113 00114 protected: 00115 //##### Protected Member Functions ###################################### 00116 00118 // (PLEASE IMPLEMENT IN .cc) 00119 static void declareOptions(OptionList& ol); 00120 00124 virtual void getNewRow(int i, const Vec& v) const; 00125 00126 private: 00127 //##### Private Member Functions ######################################## 00128 00130 // (PLEASE IMPLEMENT IN .cc) 00131 void build_(); 00132 00133 private: 00134 //##### Private Data Members ############################################ 00135 00136 // The rest of the private stuff goes here 00137 }; 00138 00139 // Declares a few other classes and functions related to this class 00140 DECLARE_OBJECT_PTR(MixUnlabeledNeighbourVMatrix); 00141 00142 } // end of namespace PLearn 00143 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 :