/usr/include/rheolef/gen_solver.h is in librheolef-dev 5.93-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | #ifndef _RHEO_GEN_SOLVER_H
#define _RHEO_GEN_SOLVER_H
///
/// This file is part of Rheolef.
///
/// Copyright (C) 2000-2009 Pierre Saramito <Pierre.Saramito@imag.fr>
///
/// Rheolef is free software; you can redistribute it and/or modify
/// it under the terms of the GNU General Public License as published by
/// the Free Software Foundation; either version 2 of the License, or
/// (at your option) any later version.
///
/// Rheolef is distributed in the hope that it will be useful,
/// but WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU General Public License for more details.
///
/// You should have received a copy of the GNU General Public License
/// along with Rheolef; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///
/// =========================================================================
/*Class:gen_solver
NAME: @code{direct_solver}, @code{iterative_solver} -- tags
@clindex direct_solver
@clindex iterative_solver
DESCRIPTION:
@noindent
Solvers are splitted into two categories:
direct and iteratives.
These classes are convenient for algorithms implementation
purpose.
DATE: 24 sept 1997
METHODS: @gen_solver
End:
*/
#include "rheolef/skit.h"
namespace rheolef {
//<gen_solver:
struct direct_solver {};
template<class Real>
class iterative_solver {
public:
// allocators/deallocators:
iterative_solver(
int n_iter_max_init,
Real epsilon_init = 1.e-14,
std::ostream* p_clog_init = 0,
std::ostream* p_cres_init = 0);
// implementation:
protected:
int _n_iter_max;
Real _epsilon;
std::ostream* _p_clog;
std::ostream* _p_cres;
// in case of IterativeAlgo.execute(..), use this :
void bilan(int status, int n_iter, Real residu) const;
};
//>gen_solver:
template<class Real>
inline
iterative_solver<Real>::iterative_solver(
int n_iter_max_init,
Real epsilon_init,
std::ostream* p_clog_init,
std::ostream* p_cres_init)
: _n_iter_max(n_iter_max_init),
_epsilon(epsilon_init),
_p_clog(p_clog_init),
_p_cres(p_cres_init)
{
}
template<class Real>
inline
void
iterative_solver<Real>::bilan(int status, int n_iter, Real residu) const
{
if (_p_clog)
{
(*_p_clog) << "\nIterative Solver :\n\n"
<< " --- status : " << status << "\n"
<< " --- iterations : " << n_iter << "(max=" << _n_iter_max << ")\n"
<< " --- residu : " << residu << "(epsilon=" << _epsilon << ")\n" ;
}
}
}// namespace rheolef
#endif // _RHEO_GEN_SOLVER_H
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