PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // BernoulliSampleVariable.h 00004 // 00005 // Copyright (C) 2007 Pascal Vincent 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 // Authors: Pascal Vincent 00036 00040 #ifndef BernoulliSampleVariable_INC 00041 #define BernoulliSampleVariable_INC 00042 00043 #include <plearn/var/UnaryVariable.h> 00044 #include <plearn/math/PRandom.h> 00045 00046 namespace PLearn { 00047 using namespace std; 00048 00058 class BernoulliSampleVariable : public UnaryVariable 00059 { 00060 typedef UnaryVariable inherited; 00061 00062 public: 00063 //##### Public Build Options ############################################ 00064 00067 00068 PP<PRandom> random_gen; 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 BernoulliSampleVariable() 00075 {} 00076 00077 00078 // ### If your class has parameters, you probably want a constructor that 00079 // ### initializes them 00080 BernoulliSampleVariable(Variable* input); 00081 00082 // Your other public member functions go here 00083 00084 //##### PLearn::Variable methods ######################################### 00085 // (PLEASE IMPLEMENT IN .cc) 00086 virtual void recomputeSize(int& l, int& w) const; 00087 virtual void fprop(); 00088 virtual void bprop(); 00089 00090 // ### These ones are not always implemented 00091 // virtual void bbprop(); 00092 // virtual void symbolicBprop(); 00093 // virtual void rfprop(); 00094 00095 //##### PLearn::Object Protocol ######################################### 00096 00097 // Declares other standard object methods. 00098 // ### If your class is not instantiatable (it has pure virtual methods) 00099 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT 00100 PLEARN_DECLARE_OBJECT(BernoulliSampleVariable); 00101 00102 // Simply calls inherited::build() then build_() 00103 virtual void build(); 00104 00106 // (PLEASE IMPLEMENT IN .cc) 00107 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00108 00109 protected: 00110 //##### Protected Options ############################################### 00111 00112 // ### Declare protected option fields (such as learned parameters) here 00113 // ... 00114 00115 protected: 00116 //##### Protected Member Functions ###################################### 00117 00119 // (PLEASE IMPLEMENT IN .cc) 00120 static void declareOptions(OptionList& ol); 00121 00122 private: 00123 //##### Private Member Functions ######################################## 00124 00126 // (PLEASE IMPLEMENT IN .cc) 00127 void build_(); 00128 00129 00130 private: 00131 //##### Private Data Members ############################################ 00132 00133 // The rest of the private stuff goes here 00134 }; 00135 00136 // Declares a few other classes and functions related to this class 00137 DECLARE_OBJECT_PTR(BernoulliSampleVariable); 00138 00139 } // end of namespace PLearn 00140 00141 #endif 00142 00143 00144 /* 00145 Local Variables: 00146 mode:c++ 00147 c-basic-offset:4 00148 c-file-style:"stroustrup" 00149 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00150 indent-tabs-mode:nil 00151 fill-column:79 00152 End: 00153 */ 00154 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :