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: InterleaveVMatrix.h 8239 2007-11-09 15:35:34Z nouiz $ 00039 ******************************************************* */ 00040 00041 00044 #ifndef InterleaveVMatrix_INC 00045 #define InterleaveVMatrix_INC 00046 00047 #include "VMat.h" 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 00068 class InterleaveVMatrix: public VMatrix 00069 { 00070 typedef VMatrix inherited; 00071 00072 protected: 00073 TVec<VMat> sources; 00074 00075 public: 00076 // ****************** 00077 // * Constructors * 00078 // ****************** 00079 InterleaveVMatrix(); 00080 00082 InterleaveVMatrix(TVec<VMat> the_sources); 00083 00085 InterleaveVMatrix(VMat source1, VMat source2); 00086 00087 PLEARN_DECLARE_OBJECT(InterleaveVMatrix); 00088 static void declareOptions(OptionList &ol); 00089 00090 virtual void build(); 00091 00093 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00094 00096 virtual real get(int i, int j) const; 00097 virtual void getSubRow(int i, int j, Vec v) const; 00098 virtual void reset_dimensions() 00099 { 00100 for (int i=0;i<sources.size();i++) sources[i]->reset_dimensions(); 00101 width_=sources[0]->width(); 00102 int maxl = 0; 00103 int n=sources.size(); 00104 for (int i=0;i<n;i++) 00105 { 00106 if (sources[i]->width()!=width_) 00107 PLERROR("InterleaveVMatrix: source %d has %d width, while 0-th has %d", 00108 i, sources[i]->width(), width_); 00109 int l= sources[i]->length(); 00110 if (l>maxl) maxl=l; 00111 } 00112 length_=n*maxl; 00113 } 00114 private: 00115 void build_(); 00116 00117 }; 00118 00119 DECLARE_OBJECT_PTR(InterleaveVMatrix); 00120 00121 } // end of namespace PLearn 00122 #endif 00123 00124 00125 /* 00126 Local Variables: 00127 mode:c++ 00128 c-basic-offset:4 00129 c-file-style:"stroustrup" 00130 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00131 indent-tabs-mode:nil 00132 fill-column:79 00133 End: 00134 */ 00135 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :