PLearn 0.1
|
00001 // -*- C++ -*- 00002 00003 // PLearn (A C++ Machine Learning Library) 00004 // Copyright (C) 1998 Pascal Vincent 00005 // Copyright (C) 1999-2001 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal 00006 // Copyright (C) 2002 Pascal Vincent, Julien Keable, Xavier Saint-Mleux 00007 // Copyright (C) 2003 Olivier Delalleau 00008 // 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are met: 00011 // 00012 // 1. Redistributions of source code must retain the above copyright 00013 // notice, this list of conditions and the following disclaimer. 00014 // 00015 // 2. Redistributions in binary form must reproduce the above copyright 00016 // notice, this list of conditions and the following disclaimer in the 00017 // documentation and/or other materials provided with the distribution. 00018 // 00019 // 3. The name of the authors may not be used to endorse or promote 00020 // products derived from this software without specific prior written 00021 // permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00024 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00025 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00026 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00028 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 // 00034 // This file is part of the PLearn library. For more information on the PLearn 00035 // library, go to the PLearn Web site at www.plearn.org 00036 00037 00038 /* ******************************************************* 00039 * $Id: SelectRowsVMatrix.h 9407 2008-08-27 17:46:26Z nouiz $ 00040 ******************************************************* */ 00041 00042 00045 #ifndef SelectRowsVMatrix_INC 00046 #define SelectRowsVMatrix_INC 00047 00048 #include "SourceVMatrix.h" 00049 00050 namespace PLearn { 00051 using namespace std; 00052 00055 class SelectRowsVMatrix: public SourceVMatrix 00056 { 00057 00058 private: 00059 00060 typedef SourceVMatrix inherited; 00061 00062 protected: 00063 00065 bool obtained_inputsize_from_source; 00066 bool obtained_targetsize_from_source; 00067 bool obtained_weightsize_from_source; 00068 bool obtained_extrasize_from_source; 00069 00070 bool warn_if_all_rows_selected; 00071 00072 TVec<int> selected_indices; 00073 00074 public: 00075 00077 TVec<int> indices; 00078 00081 bool rows_to_remove; 00082 00083 VMat indices_vmat; 00084 00085 public: 00086 // ****************** 00087 // * Constructors * 00088 // ****************** 00089 SelectRowsVMatrix(); 00090 00093 SelectRowsVMatrix(VMat the_source, TVec<int> the_indices, bool the_rows_to_remove = false, bool warn = true); 00094 00096 SelectRowsVMatrix(VMat the_source, Vec the_indices, bool the_rows_to_remove = false, bool warn = true); 00097 00098 PLEARN_DECLARE_OBJECT(SelectRowsVMatrix); 00099 00100 static void declareOptions(OptionList &ol); 00101 00102 virtual void build(); 00103 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00104 00105 protected: 00106 00107 void getNewRow(int i, const Vec& v) const { getSubRow(i, 0, v); } 00108 00109 public: 00110 00111 virtual real get(int i, int j) const; 00112 virtual void getSubRow(int i, int j, Vec v) const; 00113 virtual real getStringVal(int col, const string & str) const; 00114 virtual string getValString(int col, real val) const; 00115 virtual string getString(int row,int col) const; 00117 virtual const map<string,real>& getStringToRealMapping(int col) const; 00118 virtual const map<real,string>& getRealToStringMapping(int col) const; 00119 00120 virtual void reset_dimensions() { source->reset_dimensions(); width_=source->width(); } 00121 virtual real dot(int i1, int i2, int inputsize) const; 00122 virtual real dot(int i, const Vec& v) const; 00123 00126 virtual PP<Dictionary> getDictionary(int col) const; 00127 00129 virtual void getValues(int row, int col, Vec& values) const; 00130 00132 virtual void getValues(const Vec& input, int col, Vec& values) const; 00133 00134 private: 00135 00136 void build_(); 00137 00138 }; 00139 00140 DECLARE_OBJECT_PTR(SelectRowsVMatrix); 00141 00142 } // end of namespace PLearn 00143 #endif 00144 00145 00146 /* 00147 Local Variables: 00148 mode:c++ 00149 c-basic-offset:4 00150 c-file-style:"stroustrup" 00151 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00152 indent-tabs-mode:nil 00153 fill-column:79 00154 End: 00155 */ 00156 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :