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) 1999-2002 Pascal Vincent, Yoshua Bengio and University of Montreal 00006 // 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 00039 /* ******************************************************* 00040 * $Id: RowBufferedVMatrix.h 8239 2007-11-09 15:35:34Z nouiz $ 00041 * This file is part of the PLearn library. 00042 ******************************************************* */ 00043 00044 00047 #ifndef RowBufferedRowBufferedVMatrix_INC 00048 #define RowBufferedRowBufferedVMatrix_INC 00049 00050 #include "VMatrix.h" 00051 00052 namespace PLearn { 00053 using namespace std; 00054 00055 class RowBufferedVMatrix: public VMatrix 00056 { 00057 00058 private: 00059 00060 typedef VMatrix inherited; 00061 00062 protected: 00063 00064 mutable int current_row_index; 00065 mutable Vec current_row; 00066 mutable int other_row_index; 00067 mutable Vec other_row; 00068 00070 virtual void getNewRow(int i, const Vec& v) const = 0; 00071 00074 virtual void invalidateBuffer() const; 00075 00076 public: 00077 00078 RowBufferedVMatrix(bool call_build_ = false); 00079 RowBufferedVMatrix(int the_length, int the_width, bool call_build_ = false); 00080 00082 virtual real get(int i, int j) const; 00083 virtual void getRow(int i, Vec v) const; 00084 virtual void getSubRow(int i, int j, Vec v) const; 00085 00086 virtual real dot(int i1, int i2, int inputsize) const; 00087 virtual real dot(int i, const Vec& v) const; 00088 00090 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00091 00092 PLEARN_DECLARE_ABSTRACT_OBJECT(RowBufferedVMatrix); 00093 }; 00094 00095 DECLARE_OBJECT_PTR(RowBufferedVMatrix); 00096 00097 } // end of namespace PLearn 00098 #endif 00099 00100 00101 /* 00102 Local Variables: 00103 mode:c++ 00104 c-basic-offset:4 00105 c-file-style:"stroustrup" 00106 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00107 indent-tabs-mode:nil 00108 fill-column:79 00109 End: 00110 */ 00111 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :