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: BiConjugateGradientStabilizedOptions.hpp,v 1.3 2007/06/09 10:37:09 delpinux Exp $ 00019 00020 #ifndef _BI_CONJUGATE_GRADIENT_STABILIZED_OPTIONS_HPP_ 00021 #define _BI_CONJUGATE_GRADIENT_STABILIZED_OPTIONS_HPP_ 00022 00023 // : ParametrizableObject("bicg", 00024 // (Parameter("epsilon", 1E-5), 00025 // Parameter("max_iter", 500))) 00026 00027 #include <ParametrizableObject.hpp> 00028 00029 class BiConjugateGradientStabilizedOptions 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 stabilized options" 00043 return "bicgstab"; 00044 } 00045 00046 real_t epsilon() 00047 { 00048 real_t eps = 0; 00049 get("epsilon",eps); 00050 return eps; 00051 } 00052 00053 int maxiter() 00054 { 00055 int maxiter = 0; 00056 get("maxiter",maxiter); 00057 return maxiter; 00058 } 00059 00060 explicit BiConjugateGradientStabilizedOptions() 00061 { 00062 // autodoc: "the maximum number of iterations" 00063 add(new IntegerParameter(500, "maxiter")); 00064 // autodoc: "the factor of reduction of the residu" 00065 add(new DoubleParameter (1E-5,"epsilon")); 00066 } 00067 00068 ~BiConjugateGradientStabilizedOptions() 00069 { 00070 ; 00071 } 00072 }; 00073 #endif // _BICONJUGATE_GRADIENT_STABILIZED_OPTIONS_HPP_ 00074
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