PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // MultiTargetOneHotVMatrix.h 00004 // 00005 // Copyright (C) 2004 Olivier Delalleau 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: MultiTargetOneHotVMatrix.h,v 1.5 2005/05/13 14:55:46 delallea Exp $ 00037 ******************************************************* */ 00038 00039 // Authors: Olivier Delalleau 00040 00044 #ifndef MultiTargetOneHotVMatrix_INC 00045 #define MultiTargetOneHotVMatrix_INC 00046 00047 #include <plearn/vmat/SourceVMatrix.h> 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 class MultiTargetOneHotVMatrix: public SourceVMatrix 00053 { 00054 00055 private: 00056 00057 typedef SourceVMatrix inherited; 00058 00059 protected: 00060 00062 int source_inputsize; 00063 00064 // ********************* 00065 // * protected options * 00066 // ********************* 00067 00068 // Fields below are not options. 00069 00075 Mat data; 00076 00077 public: 00078 00079 // ************************ 00080 // * public build options * 00081 // ************************ 00082 00083 real missing_target; 00084 bool reweight_targets; 00085 VMat source_target; 00086 VMat target_descriptor; 00087 string target_val; 00088 int verbosity; 00089 real hot_value; 00090 real cold_value; 00091 VMat source_and_target; 00092 00093 // **************** 00094 // * Constructors * 00095 // **************** 00096 00098 MultiTargetOneHotVMatrix(); 00099 00100 // ****************** 00101 // * Object methods * 00102 // ****************** 00103 00104 private: 00105 00107 void build_(); 00108 00109 protected: 00110 00112 static void declareOptions(OptionList& ol); 00113 00116 virtual void getNewRow(int i, const Vec& v) const; 00117 00118 public: 00119 00120 // Simply calls inherited::build() then build_(). 00121 virtual void build(); 00122 00124 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00125 00127 PLEARN_DECLARE_OBJECT(MultiTargetOneHotVMatrix); 00128 00130 int getSourceInputSize() { return source_inputsize; } 00131 00132 }; 00133 00134 DECLARE_OBJECT_PTR(MultiTargetOneHotVMatrix); 00135 00136 inline VMat multi_target_one_hot(VMat source_and_target,real cold_value, real hot_value) 00137 { 00138 MultiTargetOneHotVMatrix* ret = new MultiTargetOneHotVMatrix(); 00139 ret->source_and_target = source_and_target; 00140 ret->cold_value = cold_value; 00141 ret->hot_value = hot_value; 00142 ret->build(); 00143 return ret; 00144 } 00145 00146 } // end of namespace PLearn 00147 00148 #endif