PLearn 0.1
|
00001 // -*- C++ -*- 00002 00003 // TemporalHorizonVMatrix.h 00004 // 00005 // PLearn (A C++ Machine Learning Library) 00006 // Copyright (C) 2003 Rejean Ducharme, Yoshua Bengio 00007 // Copyright (C) 2003 Pascal Vincent 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: TemporalHorizonVMatrix.h 5557 2006-05-10 20:36:58Z lamblin $ 00040 ******************************************************* */ 00041 00042 00043 00044 #ifndef TEMPORAL_HORIZON_VMATRIX 00045 #define TEMPORAL_HORIZON_VMATRIX 00046 00047 #include "VMat.h" 00048 #include "SourceVMatrix.h" 00049 00050 namespace PLearn { 00051 using namespace std; 00052 00055 class TemporalHorizonVMatrix: public SourceVMatrix 00056 { 00057 typedef SourceVMatrix inherited; 00058 00059 protected: 00060 // DEPRECATED - Use inherited::source instead 00061 // VMat distr; // the underlying VMat 00062 int horizon; // the temporal value by which to delay the VMat 00063 int targetsize; // the number of last entries to delay 00064 TVec<int> row_delay; // delay for the row index 00065 00066 public: 00067 00069 TemporalHorizonVMatrix(bool call_build_ = false); 00070 00071 TemporalHorizonVMatrix(VMat the_source, 00072 int the_horizon, int target_size, 00073 bool call_build_ = false); 00074 00075 PLEARN_DECLARE_OBJECT(TemporalHorizonVMatrix); 00076 00077 static void declareOptions(OptionList &ol); 00078 00079 virtual void build(); 00080 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00081 00082 virtual real get(int i, int j) const; 00083 virtual void put(int i, int j, real value); 00084 virtual real getStringVal(int col, const string & str) const; 00085 virtual string getValString(int col, real val) const; 00086 virtual string getString(int row,int col) const; 00088 virtual const map<string,real>& getStringToRealMapping(int col) const; 00089 virtual const map<real,string>& getRealToStringMapping(int col) const; 00090 00091 virtual void reset_dimensions() 00092 { 00093 source->reset_dimensions(); 00094 width_=source->width(); 00095 } 00096 00097 virtual real dot(int i1, int i2, int inputsize) const; 00098 virtual real dot(int i, const Vec& v) const; 00099 00100 private: 00101 void build_(); 00102 }; 00103 00104 DECLARE_OBJECT_PTR(TemporalHorizonVMatrix); 00105 00106 00107 } // end of namespace PLearn 00108 #endif 00109 00110 00111 /* 00112 Local Variables: 00113 mode:c++ 00114 c-basic-offset:4 00115 c-file-style:"stroustrup" 00116 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00117 indent-tabs-mode:nil 00118 fill-column:79 00119 End: 00120 */ 00121 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :