PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // CubicSpline.h 00004 // 00005 // Copyright (C) 2007 Christian Dorion 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: Christian Dorion 00036 // Migrated from Johann Hibschman's <johann@physics.berkeley.edu> Python 00037 // 'spline' module. 00038 00039 00043 #ifndef CubicSpline_INC 00044 #define CubicSpline_INC 00045 00046 #include <plearn_learners/generic/PLearner.h> 00047 00048 namespace PLearn { 00049 00060 class CubicSpline : public PLearner 00061 { 00062 typedef PLearner inherited; 00063 00064 public: 00065 //##### Public Build Options ############################################ 00066 00068 real m_low_slope; 00069 00071 real m_high_slope; 00072 00073 00074 public: 00075 //##### Public Member Functions ######################################### 00076 00078 CubicSpline(); 00079 00080 00081 //##### PLearner Member Functions ####################################### 00082 00084 virtual int outputsize() const; 00085 00089 virtual void forget(); 00090 00092 virtual void train(); 00093 00095 virtual void computeOutput(const Vec& input, Vec& output) const; 00096 00098 virtual void computeCostsFromOutputs(const Vec& input, const Vec& output, 00099 const Vec& target, Vec& costs) const; 00100 00103 virtual TVec<std::string> getTestCostNames() const; 00104 00107 virtual TVec<std::string> getTrainCostNames() const; 00108 00109 00110 //##### PLearn::Object Protocol ######################################### 00111 00112 // Declares other standard object methods. 00113 PLEARN_DECLARE_OBJECT(CubicSpline); 00114 00115 // Simply calls inherited::build() then build_() 00116 virtual void build(); 00117 00119 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00120 00121 protected: 00122 //##### Protected Options ############################################### 00123 00125 Vec m_inputs; 00126 00128 Vec m_targets; 00129 00131 Vec m_coefficients; 00132 00133 protected: 00134 //##### Protected Member Functions ###################################### 00135 00137 static void declareOptions(OptionList& ol); 00138 00139 private: 00140 //##### Private Member Functions ######################################## 00141 00143 void build_(); 00144 00145 private: 00146 //##### Private Data Members ############################################ 00147 00148 // ... 00149 }; 00150 00151 // Declares a few other classes and functions related to this class 00152 DECLARE_OBJECT_PTR(CubicSpline); 00153 00154 } // end of namespace PLearn 00155 00156 #endif 00157 00158 00159 /* 00160 Local Variables: 00161 mode:c++ 00162 c-basic-offset:4 00163 c-file-style:"stroustrup" 00164 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00165 indent-tabs-mode:nil 00166 fill-column:79 00167 End: 00168 */ 00169 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :