00001 // $Id: systemmodel.h 29830 2009-01-14 15:10:41Z kgadeyne $ 00002 // Copyright (C) 2002 Klaas Gadeyne <first dot last at gmail dot com> 00003 // 00004 /*************************************************************************** 00005 * This library is free software; you can redistribute it and/or * 00006 * modify it under the terms of the GNU General Public * 00007 * License as published by the Free Software Foundation; * 00008 * version 2 of the License. * 00009 * * 00010 * As a special exception, you may use this file as part of a free * 00011 * software library without restriction. Specifically, if other files * 00012 * instantiate templates or use macros or inline functions from this * 00013 * file, or you compile this file and link it with other files to * 00014 * produce an executable, this file does not by itself cause the * 00015 * resulting executable to be covered by the GNU General Public * 00016 * License. This exception does not however invalidate any other * 00017 * reasons why the executable file might be covered by the GNU General * 00018 * Public License. * 00019 * * 00020 * This library is distributed in the hope that it will be useful, * 00021 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00023 * Lesser General Public License for more details. * 00024 * * 00025 * You should have received a copy of the GNU General Public * 00026 * License along with this library; if not, write to the Free Software * 00027 * Foundation, Inc., 59 Temple Place, * 00028 * Suite 330, Boston, MA 02111-1307 USA * 00029 * * 00030 ***************************************************************************/ 00031 #ifndef __SYSTEM_MODEL__ 00032 #define __SYSTEM_MODEL__ 00033 00034 #include "../pdf/conditionalpdf.h" 00035 00036 namespace BFL 00037 { 00038 00048 template<typename T> class SystemModel 00049 { 00050 protected: 00051 00053 /* @bug Since, for now, the library only supports only conditional 00054 arguments of the same type, both X and U have to be of the same 00055 type (ie both continu or both discrete!). I imagine there must 00056 be systems for which this approach is not general enough @see 00057 ConditionalPdf 00058 */ 00059 ConditionalPdf<T,T>* _SystemPdf; 00060 00062 bool _systemWithoutInputs; 00063 00064 public: 00066 00070 SystemModel(ConditionalPdf<T,T>* systempdf=NULL); 00071 00073 virtual ~SystemModel(); 00074 00077 00079 00081 int StateSizeGet() const; 00082 00084 bool SystemWithoutInputs() const; 00085 00086 // NO LONGER RELEVANT 00087 // void StateSizeSet(int); // necessary?? 00088 // Get Input Size 00089 /* @return the statesize of the system 00090 */ 00091 // int InputSizeGet() const; 00092 // void InputSizeSet(int); // necessary?? 00093 00095 00097 ConditionalPdf<T,T>* SystemPdfGet(); 00098 00100 00102 void SystemPdfSet(ConditionalPdf<T,T>* pdf); 00103 00105 00117 T Simulate (const T& x, const T& u, int sampling_method = DEFAULT, void * sampling_args = NULL); 00119 00131 T Simulate (const T& x, int sampling_method = DEFAULT, void * sampling_args = NULL); 00132 00134 00140 Probability ProbabilityGet(const T& x_k, const T& x_kminusone, const T& u ); 00141 00143 00148 Probability ProbabilityGet(const T& x_k, const T& x_kminusone ); 00149 00150 00151 }; 00152 00153 #include "systemmodel.cpp" 00154 00155 } // End namespace BFL 00156 00157 #endif // __SYSTEM_MODEL__