00001 // This file is part of ff3d - http://www.freefem.org/ff3d 00002 // Copyright (C) 2001, 2002, 2003 Stéphane Del Pino 00003 00004 // This program is free software; you can redistribute it and/or modify 00005 // it under the terms of the GNU General Public License as published by 00006 // the Free Software Foundation; either version 2, or (at your option) 00007 // any later version. 00008 00009 // This program is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 // GNU General Public License for more details. 00013 00014 // You should have received a copy of the GNU General Public License 00015 // along with this program; if not, write to the Free Software Foundation, 00016 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 // $Id: BiConjugateGradientOptions.hpp,v 1.3 2007/06/09 10:37:09 delpinux Exp $ 00019 00020 #ifndef _BI_CONJUGATE_GRADIENT_OPTIONS_HPP_ 00021 #define _BI_CONJUGATE_GRADIENT_OPTIONS_HPP_ 00022 00023 // : ParametrizableObject("bicg", 00024 // (Parameter("epsilon", 1E-5), 00025 // Parameter("max_iter", 500))) 00026 00027 #include <ParametrizableObject.hpp> 00028 00029 class BiConjugateGradientOptions 00030 : public ParametrizableObject 00031 { 00032 private: 00033 std::ostream& put(std::ostream& os) const 00034 { 00035 os << this->identifier(); 00036 return os; 00037 } 00038 00039 public: 00040 static const char* identifier() 00041 { 00042 // autodoc: "to change bi-conjugate gradient options" 00043 return "bicg"; 00044 } 00045 00046 00047 real_t epsilon() 00048 { 00049 real_t eps = 0; 00050 get("epsilon",eps); 00051 return eps; 00052 } 00053 00054 int maxiter() 00055 { 00056 int maxiter = 0; 00057 get("maxiter",maxiter); 00058 return maxiter; 00059 } 00060 00061 explicit BiConjugateGradientOptions() 00062 { 00063 // autodoc: "the maximum number of iterations" 00064 add(new IntegerParameter(500, "maxiter")); 00065 // autodoc: "the factor of reduction of the residu" 00066 add(new DoubleParameter (1E-5,"epsilon")); 00067 } 00068 00069 ~BiConjugateGradientOptions() 00070 { 00071 ; 00072 } 00073 }; 00074 #endif // _BICONJUGATE_GRADIENT_OPTIONS_HPP_ 00075
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