bicgstab_solver.hpp
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00001 
00005 /* Copyright (c) 2005-2011 Taneli Kalvas. All rights reserved.
00006  *
00007  * You can redistribute this software and/or modify it under the terms
00008  * of the GNU General Public License as published by the Free Software
00009  * Foundation; either version 2 of the License, or (at your option)
00010  * any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this library (file "COPYING" included in the package);
00019  * if not, write to the Free Software Foundation, Inc., 51 Franklin
00020  * Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  * 
00022  * If you have questions about your rights to use or distribute this
00023  * software, please contact Berkeley Lab's Technology Transfer
00024  * Department at TTD@lbl.gov. Other questions, comments and bug
00025  * reports should be sent directly to the author via email at
00026  * taneli.kalvas@jyu.fi.
00027  * 
00028  * NOTICE. This software was developed under partial funding from the
00029  * U.S.  Department of Energy.  As such, the U.S. Government has been
00030  * granted for itself and others acting on its behalf a paid-up,
00031  * nonexclusive, irrevocable, worldwide license in the Software to
00032  * reproduce, prepare derivative works, and perform publicly and
00033  * display publicly.  Beginning five (5) years after the date
00034  * permission to assert copyright is obtained from the U.S. Department
00035  * of Energy, and subject to any subsequent five (5) year renewals,
00036  * the U.S. Government is granted for itself and others acting on its
00037  * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
00038  * the Software to reproduce, prepare derivative works, distribute
00039  * copies to the public, perform publicly and display publicly, and to
00040  * permit others to do so.
00041  */
00042 
00043 #ifndef BICGSTAB_SOLVER_HPP
00044 #define BICGSTAB_SOLVER_HPP 1
00045 
00046 
00047 #include <iostream>
00048 #include "solver.hpp"
00049 #include "geometry.hpp"
00050 #include "problem.hpp"
00051 #include "matrix.hpp"
00052 #include "mvector.hpp"
00053 
00054 
00062 class BiCGSTABSolver : public Solver {
00063     double   _eps;          
00064     uint32_t _imax;         
00066     bool     _gnewton;      
00067     double   _newton_Reps;  
00068     double   _newton_dXeps; 
00069     uint32_t _newton_imax;  
00071 public:
00072 
00075     BiCGSTABSolver( double eps = 1.0e-6, uint32_t imax = 10000,
00076                     double newton_Reps = 1.0e-5, double newton_dXeps = 1.0e-6, 
00077                     uint32_t newton_imax = 10, bool gnewton = false );
00078 
00081     ~BiCGSTABSolver() {}
00082 
00086     virtual void solve( const Problem &p, Vector &X );
00087 
00094     virtual void reset( void );
00095 
00098     void set_gnewton( bool enable ) {
00099         _gnewton = enable;
00100     }
00101 
00104     void set_eps( double eps ) {
00105         _eps = eps;
00106     }
00107 
00110     void set_imax( uint32_t imax ) {
00111         _imax = imax;
00112     }
00113 
00116     void set_newton_imax( uint32_t newton_imax ) {
00117         _newton_imax = newton_imax;
00118     }
00119 
00122     void set_newton_residual_eps( double newton_Reps ) {
00123         _newton_Reps = newton_Reps;
00124     }
00125 
00128     void set_newton_step_eps( double newton_dXeps ) {
00129         _newton_dXeps = newton_dXeps;
00130     }
00131 
00132 };
00133 
00134 
00135 #endif
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