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) 1999-2002 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal 00006 // Copyright (C) 2001-2002 Nicolas Chapados, Ichiro Takeuchi, Jean-Sebastien Senecal 00007 // Copyright (C) 2002 Xiangdong Wang, Christian Dorion 00008 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are met: 00011 // 00012 // 1. Redistributions of source code must retain the above copyright 00013 // notice, this list of conditions and the following disclaimer. 00014 // 00015 // 2. Redistributions in binary form must reproduce the above copyright 00016 // notice, this list of conditions and the following disclaimer in the 00017 // documentation and/or other materials provided with the distribution. 00018 // 00019 // 3. The name of the authors may not be used to endorse or promote 00020 // products derived from this software without specific prior written 00021 // permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00024 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00025 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00026 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00028 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 // 00034 // This file is part of the PLearn library. For more information on the PLearn 00035 // library, go to the PLearn Web site at www.plearn.org 00036 00037 00038 /* ******************************************************* 00039 * $Id: NaryVariable.h 10201 2009-05-12 17:57:00Z plearner $ 00040 * This file is part of the PLearn library. 00041 ******************************************************* */ 00042 00043 #ifndef NaryVariable_INC 00044 #define NaryVariable_INC 00045 00046 #include "VarArray.h" 00047 #include <plearn/math/TMat.h> 00048 #include <plearn/vmat/VMat.h> 00049 #include "Func.h" 00050 00051 // norman: multi threading unix standard not supported in win32 00052 #ifndef WIN32 00053 #include <plearn/sys/Popen.h> 00054 #endif 00055 00056 namespace PLearn { 00057 using namespace std; 00058 00059 class NaryVariable: public Variable 00060 { 00061 typedef Variable inherited; 00062 00063 public: 00064 //##### Public Build Options ############################################ 00065 00066 VarArray varray; 00067 00068 public: 00069 //##### PLearn::Object Interface ######################################## 00070 00071 NaryVariable() {} 00072 NaryVariable(const VarArray& the_varray, int thelength, int thewidth = 1, 00073 bool call_build_ = true); 00074 00075 PLEARN_DECLARE_ABSTRACT_OBJECT(NaryVariable); 00076 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00077 00078 virtual void build(); 00079 00080 //##### PLearn::Variable Interface ###################################### 00081 00082 virtual void setParents(const VarArray& parents); 00083 00084 virtual bool markPath(); 00085 virtual void buildPath(VarArray& proppath); 00086 virtual VarArray sources(); 00087 virtual VarArray random_sources(); 00088 virtual VarArray ancestors(); 00089 virtual void unmarkAncestors(); 00090 virtual VarArray parents(); 00091 void printInfo(bool print_gradient) { 00092 pout << getName() << "[" << (void*)this << "] " << classname() << "(" << (void*)varray[0]; 00093 for (int i=1;i<varray.size();i++) 00094 pout << "," << (void*)varray[i]; 00095 pout << ") = " << value; 00096 if (print_gradient) pout << " gradient=" << gradient; 00097 pout << endl; 00098 } 00099 virtual void resizeRValue(); 00100 00101 protected: 00103 static void declareOptions(OptionList & ol); 00104 00105 private: 00106 00107 void build_(); 00108 }; 00109 00110 00111 } // end of namespace PLearn 00112 00113 #endif 00114 00115 00116 /* 00117 Local Variables: 00118 mode:c++ 00119 c-basic-offset:4 00120 c-file-style:"stroustrup" 00121 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00122 indent-tabs-mode:nil 00123 fill-column:79 00124 End: 00125 */ 00126 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :