PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // StochasticBinarizeVMatrix.h 00004 // 00005 // Copyright (C) 2008 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 // Authors: Olivier Delalleau 00036 00040 #ifndef StochasticBinarizeVMatrix_INC 00041 #define StochasticBinarizeVMatrix_INC 00042 00043 #include <plearn/math/PRandom.h> 00044 #include <plearn/vmat/SourceVMatrix.h> 00045 00046 namespace PLearn { 00047 00058 class StochasticBinarizeVMatrix : public SourceVMatrix 00059 { 00060 typedef SourceVMatrix inherited; 00061 00062 public: 00063 //##### Public Build Options ############################################ 00064 00065 bool rescale_to_0_1; 00066 int seed; 00067 00068 public: 00069 //##### Public Member Functions ######################################### 00070 00072 StochasticBinarizeVMatrix(); 00073 00074 //##### PLearn::Object Protocol ######################################### 00075 00076 // Declares other standard object methods. 00077 PLEARN_DECLARE_OBJECT(StochasticBinarizeVMatrix); 00078 00079 // Simply calls inherited::build() then build_() 00080 virtual void build(); 00081 00083 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00084 00085 protected: 00086 00087 PP<PRandom> random_gen; 00088 VMat rescaled_data; 00089 00090 //##### Protected Options ############################################### 00091 00092 // ### Declare protected option fields (such as learned parameters) here 00093 // ... 00094 00095 protected: 00096 //##### Protected Member Functions ###################################### 00097 00099 static void declareOptions(OptionList& ol); 00100 00103 virtual void getNewRow(int i, const Vec& v) const; 00104 00105 private: 00106 //##### Private Member Functions ######################################## 00107 00109 void build_(); 00110 00111 private: 00112 //##### Private Data Members ############################################ 00113 00114 // The rest of the private stuff goes here 00115 }; 00116 00117 // Declares a few other classes and functions related to this class 00118 DECLARE_OBJECT_PTR(StochasticBinarizeVMatrix); 00119 00120 } // end of namespace PLearn 00121 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 :