PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // plearn_learners/generic/TransformOutputLearner.h 00004 // 00005 // Copyright (C) 2007 Frederic Bastien 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: Frederic Bastien 00036 00040 #ifndef TransformOutputLearner_INC 00041 #define TransformOutputLearner_INC 00042 00043 #include <plearn_learners/generic/EmbeddedLearner.h> 00044 00045 namespace PLearn { 00046 00057 class TransformOutputLearner : public EmbeddedLearner 00058 { 00059 typedef EmbeddedLearner inherited; 00060 00061 public: 00062 //##### Public Build Options ############################################ 00063 00066 00068 int output_function; 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 // ### Make sure the implementation in the .cc 00075 // ### initializes all fields to reasonable default values. 00076 TransformOutputLearner(); 00077 00078 00079 //##### PLearner Member Functions ####################################### 00080 00082 // (PLEASE IMPLEMENT IN .cc) 00083 virtual void computeOutput(const Vec& input, Vec& output) const; 00084 00086 // (PLEASE IMPLEMENT IN .cc) 00087 virtual void computeCostsFromOutputs(const Vec& input, const Vec& output, 00088 const Vec& target, Vec& costs) const; 00089 00090 virtual void computeOutputAndCosts(const Vec& input, const Vec& target, 00091 Vec& output, Vec& costs) const; 00092 00093 virtual void test(VMat testset, PP<VecStatsCollector> test_stats, 00094 VMat testoutputs, VMat testcosts) const; 00095 virtual int outputsize() const; 00096 00097 //##### PLearn::Object Protocol ######################################### 00098 00099 // Declares other standard object methods. 00100 // ### If your class is not instantiatable (it has pure virtual methods) 00101 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00102 PLEARN_DECLARE_OBJECT(TransformOutputLearner); 00103 00104 // Simply calls inherited::build() then build_() 00105 virtual void build(); 00106 00107 00108 protected: 00109 //##### Protected Member Functions ###################################### 00110 00112 // (PLEASE IMPLEMENT IN .cc) 00113 static void declareOptions(OptionList& ol); 00114 00115 private: 00116 //##### Private Member Functions ######################################## 00117 00119 // (PLEASE IMPLEMENT IN .cc) 00120 void build_(); 00121 00122 private: 00123 //##### Private Data Members ############################################ 00124 00125 // The rest of the private stuff goes here 00126 00127 // static Vec tmp_output; 00128 mutable Vec tmp_output2; 00129 mutable bool warning0; 00130 mutable bool warning1; 00131 }; 00132 00133 // Declares a few other classes and functions related to this class 00134 DECLARE_OBJECT_PTR(TransformOutputLearner); 00135 00136 } // end of namespace PLearn 00137 00138 #endif 00139 00140 00141 /* 00142 Local Variables: 00143 mode:c++ 00144 c-basic-offset:4 00145 c-file-style:"stroustrup" 00146 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00147 indent-tabs-mode:nil 00148 fill-column:79 00149 End: 00150 */ 00151 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :