2016-01-02 14:51:32 +00:00
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/algorithms/Preconditioner.h
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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2015-06-21 11:03:55 +01:00
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#ifndef GRID_PRECONDITIONER_H
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#define GRID_PRECONDITIONER_H
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namespace Grid {
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template<class Field> class Preconditioner : public LinearFunction<Field> {
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virtual void operator()(const Field &src, Field & psi)=0;
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};
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template<class Field> class TrivialPrecon : public Preconditioner<Field> {
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public:
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void operator()(const Field &src, Field & psi){
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psi = src;
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}
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TrivialPrecon(void){};
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};
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}
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#endif
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