FuzzySet.h
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00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Math Library 00005 * Module : FuzzySet 00006 * Package : Zeus.ZeusMath.Logic 00007 * Author : Benjamin Hadorn 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 #ifndef FuzzySetH 00033 #define FuzzySetH 00034 00035 #include <zeusmath/Config/PlatformDefines.hpp> 00036 #include <zeusbase/System/ZObject.h> 00037 00038 BEGIN_NAMESPACE_Zeus 00039 00040 /******************************************************************************/ 00044 /******************************************************************************/ 00045 zeusmath_class TFuzzySet : public TZObject 00046 { 00047 public: 00048 00049 /************************************************************************/ 00052 /************************************************************************/ 00053 enum EFuzzyNorm 00054 { 00055 etZadeh, 00056 etProdConnect, 00057 etLukasiewiez, 00058 etYager 00059 }; 00060 00061 /************************************************************************/ 00064 /************************************************************************/ 00065 enum EDefuzzyMethod 00066 { 00067 etCenterOfGrapvity, 00068 etIndexedCenterOfGravity, 00069 etCenterOfSums, 00070 etFirstOfMaximum, 00071 etMiddleOfMaximum, 00072 etLastOfMaximum 00073 }; 00074 00075 00076 TFuzzySet(Int iResolution = 100); 00077 TFuzzySet(const TFuzzySet& set); 00078 virtual ~TFuzzySet(); 00079 00080 void initTrapezodial(const Float& rfX1, const Float& rfX2, const Float& rfX3, const Float& rfX4); 00081 void initGaussianSyn(const Float& rfA, const Float& rfWhm); 00082 void initGaussianAsyn(const Float& rfA, const Float& rfWhm1, const Float& rfWhm2); 00083 void initSigmodial(const Float& rfA, const Float& rfB); 00084 00085 Float getValue(Int iIndex) const; 00086 Float getMemberShip(const Float& rfX) const; 00087 Int getResolution() const; 00088 void setValue(Int iIndex, const Float& rfValue); 00089 00090 virtual Float getDefuzzificationValue(EDefuzzyMethod eMethod = etCenterOfGrapvity, const Float& rfParam = 1.0) const; 00091 00092 virtual TFuzzySet unionS(const TFuzzySet& set, EFuzzyNorm eNorm = etZadeh, const Float& rfParam = 1.0) const; 00093 virtual TFuzzySet intersectS(const TFuzzySet& set, EFuzzyNorm eNorm = etZadeh, const Float& rfParam = 1.0) const; 00094 virtual TFuzzySet notS() const; 00095 virtual TFuzzySet concentrate() const; 00096 virtual TFuzzySet dilate() const; 00097 virtual TFuzzySet intense() const; 00098 00099 virtual TFuzzySet lingVery() const; 00100 virtual TFuzzySet lingMoreOrLess() const; 00101 virtual TFuzzySet lingVeryVery() const; 00102 virtual TFuzzySet lingNotVery() const; 00103 virtual TFuzzySet lingMore() const; 00104 virtual TFuzzySet lingLess() const; 00105 00106 TFuzzySet& operator=(const TFuzzySet& set); 00107 bool operator==(const TFuzzySet& set) const; 00108 // virtual TFuzzySet operator||(const TFuzzySet& set); 00109 00110 protected: 00112 TArrayList<Float> m_lstValues; 00114 Int m_iResolution; 00115 00116 Float sum() const; 00117 }; 00118 00119 /******************************************************************************/ 00123 /******************************************************************************/ 00124 inline Int TFuzzySet::getResolution() const 00125 { 00126 return m_iResolution; 00127 } 00128 00129 /******************************************************************************/ 00134 /******************************************************************************/ 00135 inline Float TFuzzySet::getValue(Int iIndex) const 00136 { 00137 return m_lstValues.getItemConst(iIndex); 00138 } 00139 00140 /******************************************************************************/ 00145 /******************************************************************************/ 00146 inline void TFuzzySet::setValue(Int iIndex, const Float& rfValue) 00147 { 00148 m_lstValues[iIndex] = rfValue; 00149 } 00150 00151 /******************************************************************************/ 00154 /******************************************************************************/ 00155 inline TFuzzySet TFuzzySet::lingVery() const 00156 { 00157 return this->concentrate(); 00158 } 00159 00160 /******************************************************************************/ 00163 /******************************************************************************/ 00164 inline TFuzzySet TFuzzySet::lingMoreOrLess() const 00165 { 00166 return this->dilate(); 00167 } 00168 00169 /******************************************************************************/ 00172 /******************************************************************************/ 00173 inline TFuzzySet TFuzzySet::lingVeryVery() const 00174 { 00175 return this->concentrate().concentrate(); 00176 } 00177 00178 /******************************************************************************/ 00181 /******************************************************************************/ 00182 inline TFuzzySet TFuzzySet::lingNotVery() const 00183 { 00184 return this->concentrate().notS(); 00185 } 00186 00187 00188 END_NAMESPACE_Zeus 00189 00190 #endif