PLearn 0.1
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00001 // ForwardVMatrix.h 00002 // Copyright (C) 2002 Pascal Vincent 00003 // 00004 00005 // Redistribution and use in source and binary forms, with or without 00006 // modification, are permitted provided that the following conditions are met: 00007 // 00008 // 1. Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // 00011 // 2. Redistributions in binary form must reproduce the above copyright 00012 // notice, this list of conditions and the following disclaimer in the 00013 // documentation and/or other materials provided with the distribution. 00014 // 00015 // 3. The name of the authors may not be used to endorse or promote 00016 // products derived from this software without specific prior written 00017 // permission. 00018 // 00019 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00020 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00021 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00022 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00024 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00025 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00026 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00027 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 // 00030 // This file is part of the PLearn library. For more information on the PLearn 00031 // library, go to the PLearn Web site at www.plearn.org 00032 00033 00034 00035 00036 /* ******************************************************* 00037 * $Id: ForwardVMatrix.h 8239 2007-11-09 15:35:34Z nouiz $ 00038 * This file is part of the PLearn library. 00039 ******************************************************* */ 00040 00041 00044 #ifndef ForwardVMatrix_INC 00045 #define ForwardVMatrix_INC 00046 00047 #include "VMat.h" 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 class ForwardVMatrix: public VMatrix 00053 { 00054 typedef VMatrix inherited; 00055 00056 protected: 00057 VMat vm; // the underlying vmatrix to which all calls will be forwarded 00058 00059 public: 00060 00061 ForwardVMatrix(); 00062 ForwardVMatrix(VMat vm); 00063 00064 PLEARN_DECLARE_OBJECT(ForwardVMatrix); 00065 static void declareOptions(OptionList &ol); 00066 00067 virtual void build(); 00068 00070 void setVMat(VMat the_vm); 00071 00074 virtual string getValString(int col, real val) const; 00075 00077 virtual real getStringVal(int col, const string & str) const; 00078 00080 virtual string getString(int row,int col) const; 00081 00083 map<string,real> getStringMapping(int col) const; 00084 00085 // Overridden from VMatrix.h to forward to the underlying VMat. 00086 virtual const map<string,real>& getStringToRealMapping(int col) const; 00087 virtual const map<real,string>& getRealToStringMapping(int col) const; 00088 00089 virtual void computeStats(); 00090 00091 // default version calls savePMAT 00092 virtual void save(const PPath& filename) const; 00093 00094 virtual void savePMAT(const PPath& pmatfile) const; 00095 virtual void saveDMAT(const PPath& dmatdir) const; 00096 virtual void saveAMAT(const PPath& amatfile, bool verbose = true, 00097 bool no_header = false, bool save_strings = false) const; 00098 00100 virtual real get(int i, int j) const; 00101 00103 virtual void put(int i, int j, real value); 00104 00107 virtual void getSubRow(int i, int j, Vec v) const; 00108 00113 virtual void putSubRow(int i, int j, Vec v); 00114 00116 virtual void appendRow(Vec v); 00117 00120 virtual void getRow(int i, Vec v) const; 00121 virtual void putRow(int i, Vec v); 00122 virtual void fill(real value); 00123 virtual void getMat(int i, int j, Mat m) const; 00124 virtual void putMat(int i, int j, Mat m); 00125 00127 virtual void getColumn(int i, Vec v) const; 00128 00137 virtual Mat toMat() const; 00138 00141 virtual void compacify(); 00142 00144 virtual void reset_dimensions(); 00145 00150 virtual VMat subMat(int i, int j, int l, int w); 00151 00158 virtual real dot(int i1, int i2, int inputsize) const; 00159 00161 virtual real dot(int i, const Vec& v) const; 00162 00163 void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00164 00165 00170 virtual void accumulateXtY(int X_startcol, int X_ncols, int Y_startcol, int Y_ncols, 00171 Mat& result, int startrow=0, int nrows=-1, int ignore_this_row=-1) const; 00172 00173 00178 virtual void accumulateXtX(int X_startcol, int X_ncols, 00179 Mat& result, int startrow=0, int nrows=-1, int ignore_this_row=-1) const; 00180 00181 00182 private: 00183 void build_(); 00184 }; 00185 00186 DECLARE_OBJECT_PTR(ForwardVMatrix); 00187 00188 } // end of namespace PLearn 00189 00190 #endif 00191 00192 00193 /* 00194 Local Variables: 00195 mode:c++ 00196 c-basic-offset:4 00197 c-file-style:"stroustrup" 00198 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00199 indent-tabs-mode:nil 00200 fill-column:79 00201 End: 00202 */ 00203 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :