PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // BinaryOpVMatrix.h 00004 // 00005 // Copyright (C) 2005 Nicolas Chapados 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: BinaryOpVMatrix.h 9980 2009-03-03 20:15:28Z tihocan $ 00037 ******************************************************* */ 00038 00039 // Authors: Nicolas Chapados 00040 00044 #ifndef BinaryOpVMatrix_INC 00045 #define BinaryOpVMatrix_INC 00046 00047 #include <plearn/vmat/RowBufferedVMatrix.h> 00048 #include <plearn/vmat/VMat.h> 00049 00050 namespace PLearn { 00051 00052 class BinaryOpVMatrix: public RowBufferedVMatrix 00053 { 00054 00055 private: 00056 00057 typedef RowBufferedVMatrix inherited; 00058 00059 static real op_add(double x, double y) { return x+y; } 00060 static real op_sub(double x, double y) { return x-y; } 00061 static real op_mul(double x, double y) { return x*y; } 00062 static real op_div(double x, double y) { return x/y; } 00063 00065 real (*selected_op)(double,double); 00066 00068 mutable Vec row1, row2; 00069 00070 public: 00071 00073 VMat source1; 00074 00076 VMat source2; 00077 00079 string op; 00080 00081 00083 BinaryOpVMatrix(); 00084 00085 BinaryOpVMatrix(VMat source1, VMat source2, const string& op, 00086 bool call_build_ = true); 00087 00088 // ****************** 00089 // * Object methods * 00090 // ****************** 00091 00092 private: 00093 00095 // (Please implement in .cc) 00096 void build_(); 00097 00098 protected: 00099 00101 // (Please implement in .cc) 00102 static void declareOptions(OptionList& ol); 00103 00106 virtual void getNewRow(int i, const Vec& v) const; 00107 00108 public: 00109 00110 // Simply call inherited::build() then build_(). 00111 virtual void build(); 00112 00114 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00115 00117 PLEARN_DECLARE_OBJECT(BinaryOpVMatrix); 00118 00119 }; 00120 00121 DECLARE_OBJECT_PTR(BinaryOpVMatrix); 00122 00123 } // end of namespace PLearn 00124 #endif 00125 00126 00127 /* 00128 Local Variables: 00129 mode:c++ 00130 c-basic-offset:4 00131 c-file-style:"stroustrup" 00132 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00133 indent-tabs-mode:nil 00134 fill-column:79 00135 End: 00136 */ 00137 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :