PLearn 0.1
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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 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are met: 00010 // 00011 // 1. Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // 00014 // 2. Redistributions in binary form must reproduce the above copyright 00015 // notice, this list of conditions and the following disclaimer in the 00016 // documentation and/or other materials provided with the distribution. 00017 // 00018 // 3. The name of the authors may not be used to endorse or promote 00019 // products derived from this software without specific prior written 00020 // permission. 00021 // 00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00033 // This file is part of the PLearn library. For more information on the PLearn 00034 // library, go to the PLearn Web site at www.plearn.org 00035 00036 00037 /* ******************************************************* 00038 * $Id: ConcatRowsSubVMatrix.h 8239 2007-11-09 15:35:34Z nouiz $ 00039 ******************************************************* */ 00040 00041 00044 #ifndef ConcatRowsSubVMatrix_INC 00045 #define ConcatRowsSubVMatrix_INC 00046 00047 #include "VMat.h" 00048 #include "SourceVMatrix.h" 00049 00050 namespace PLearn { 00051 using namespace std; 00052 00053 00061 class ConcatRowsSubVMatrix: public SourceVMatrix 00062 { 00063 typedef SourceVMatrix inherited; 00064 00065 protected: 00066 // DEPRECATED - Use inherited::source instead 00067 // VMat distr; 00068 TVec<int> start; 00069 TVec<int> len; 00070 00071 //void check(); //!< check ranges are compatible 00072 00075 void getpositions(int i, int& whichvm, int& rowofvm) const; 00076 00077 public: 00078 // ****************** 00079 // * Constructors * 00080 // ****************** 00081 00083 ConcatRowsSubVMatrix(bool call_build_ = false); 00084 00086 ConcatRowsSubVMatrix(VMat the_source, 00087 TVec<int>& the_start, TVec<int>& the_len, 00088 bool call_build_ = true); 00089 00090 ConcatRowsSubVMatrix(VMat the_source, 00091 int start1, int len1, 00092 int start2, int len2, 00093 bool call_build_ = true); 00094 00095 PLEARN_DECLARE_OBJECT(ConcatRowsSubVMatrix); 00096 static void declareOptions(OptionList &ol); 00097 00098 virtual void build(); 00099 00100 virtual real get(int i, int j) const; 00101 virtual void getSubRow(int i, int j, Vec v) const; 00102 virtual void reset_dimensions() 00103 { 00104 source->reset_dimensions(); 00105 width_=source->width(); 00106 length_=0; 00107 for (int i=0;i<len.length();i++) 00108 length_ += len[i]; 00109 } 00110 virtual real dot(int i1, int i2, int inputsize) const; 00111 virtual real dot(int i, const Vec& v) const; 00112 private: 00113 void build_(); 00114 }; 00115 00116 DECLARE_OBJECT_PTR(ConcatRowsSubVMatrix); 00117 00118 } // end of namespace PLearn 00119 #endif 00120 00121 00122 /* 00123 Local Variables: 00124 mode:c++ 00125 c-basic-offset:4 00126 c-file-style:"stroustrup" 00127 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00128 indent-tabs-mode:nil 00129 fill-column:79 00130 End: 00131 */ 00132 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :