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/*
* Method of regularization of the source of Poisson equation
*
* (see file scalar.h for documentation).
*
*/
/*
* Copyright (c) 2003 Eric Gourgoulhon & Jerome Novak
*
* Copyright (c) 2000-2001 Keisuke Taniguchi (for preceding Cmp version)
*
* This file is part of LORENE.
*
* LORENE 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.
*
* LORENE 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 LORENE; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
char scalar_poisson_regu_C[] = "$Header: /cvsroot/Lorene/C++/Source/Tensor/Scalar/scalar_poisson_regu.C,v 1.3 2014/10/13 08:53:47 j_novak Exp $" ;
/*
* $Id: scalar_poisson_regu.C,v 1.3 2014/10/13 08:53:47 j_novak Exp $
* $Log: scalar_poisson_regu.C,v $
* Revision 1.3 2014/10/13 08:53:47 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.2 2003/10/11 14:46:00 e_gourgoulhon
* Line 65-67: changed the name of local variable "triad" to "triad0"
* in order not to shadow the class member triad.
*
* Revision 1.1 2003/09/25 08:56:28 e_gourgoulhon
* First version (uses Cmp and Tenseur as intermediate quantities).
*
*
* $Header: /cvsroot/Lorene/C++/Source/Tensor/Scalar/scalar_poisson_regu.C,v 1.3 2014/10/13 08:53:47 j_novak Exp $
*
*/
// Header Lorene
#include "tensor.h"
#include "cmp.h"
#include "tenseur.h"
#include "param.h"
//******************************************************************
namespace Lorene {
void Scalar::poisson_regular(int k_div, int nzet, double unsgam1, Param& par,
Scalar& uu, Scalar& uu_regu, Scalar& uu_div,
Tensor& duu_div,
Scalar& source_regu, Scalar& source_div) const {
Cmp csource(*this) ;
Cmp cuu(uu) ;
Cmp cuu_regu(uu_regu) ;
Cmp cuu_div(uu_div) ;
Cmp csource_regu(source_regu) ;
Cmp csource_div(source_div) ;
const Base_vect* triad0 = duu_div.get_triad() ;
Tenseur cduu_div(*mp, 1, COV, *triad0) ;
cduu_div.set_etat_qcq() ;
Itbl ind(1) ;
ind.set_etat_qcq() ;
for (int i=0; i<3; i++) {
ind.set(0) = i+1 ;
Cmp tmp( duu_div(ind) ) ;
cduu_div.set(i) = tmp ;
}
mp->poisson_regular(csource, k_div, nzet, unsgam1, par,
cuu, cuu_regu, cuu_div, cduu_div,
csource_regu, csource_div) ;
uu = cuu ;
uu_regu = uu ;
for (int i=1; i<=3; i++) {
ind.set(0) = i ;
duu_div.set(ind) = cduu_div(i-1) ;
}
source_regu = csource_regu ;
source_div = csource_div ;
}
}
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