scalar_poisson_regu.C
/*
* 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 ;
}
}
Lorene::Base_vect
Vectorial bases (triads) with respect to which the tensorial components are defined.
Definition base_vect.h:105
Lorene::Cmp
Component of a tensorial field *** DEPRECATED : use class Scalar instead ***.
Definition cmp.h:446
Lorene::Itbl
Basic integer array class.
Definition itbl.h:122
Lorene::Itbl::set_etat_qcq
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
Definition itbl.C:261
Lorene::Itbl::set
int & set(int i)
Read/write of a particular element (index i ) (1D case).
Definition itbl.h:247
Lorene::Param
Parameter storage.
Definition param.h:125
Lorene::Scalar::Scalar
Scalar(const Map &mpi)
Constructor from mapping.
Definition scalar.C:204
Lorene::Scalar::poisson_regular
void 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
Solves the scalar Poisson equation with *this as a source (version with parameters to control the res...
Definition scalar_poisson_regu.C:62
Lorene::Tenseur
Tensor handling *** DEPRECATED : use class Tensor instead ***.
Definition tenseur.h:301
Lorene::Tenseur::set
Cmp & set()
Read/write for a scalar (see also operator=(const Cmp&) ).
Definition tenseur.C:824
Lorene::Tenseur::set_etat_qcq
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
Definition tenseur.C:636
Lorene::Tensor::mp
const Map *const mp
Mapping on which the numerical values at the grid points are defined.
Definition tensor.h:295
Lorene::Tensor::Tensor
Tensor(const Map &map, int val, const Itbl &tipe, const Base_vect &triad_i)
Standard constructor.
Definition tensor.C:202
Lorene::Tensor::get_triad
const Base_vect * get_triad() const
Returns the vectorial basis (triad) on which the components are defined.
Definition tensor.h:866
Lorene::Tensor::set
Scalar & set(const Itbl &ind)
Returns the value of a component (read/write version).
Definition tensor.C:654
Lorene
Lorene prototypes.
Definition app_hor.h:64