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/*
* Methods of class Vector related to eta and mu
*
* (see file vector.h for documentation)
*
*/
/*
* Copyright (c) 2005 Eric Gourgoulhon & Jerome Novak
*
* 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 vector_divfree_aux[] = "$Header: /cvsroot/Lorene/C++/Source/Tensor/vector_divfree_aux.C,v 1.3 2014/10/13 08:53:45 j_novak Exp $" ;
/*
* $Id: vector_divfree_aux.C,v 1.3 2014/10/13 08:53:45 j_novak Exp $
* $Log: vector_divfree_aux.C,v $
* Revision 1.3 2014/10/13 08:53:45 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.2 2014/10/06 15:13:21 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.1 2008/08/27 09:01:27 jl_cornou
* Methods for solving Dirac systems for divergence free vectors
*
* Revision 1.1 2005/02/14 13:01:50 j_novak
* p_eta and p_mu are members of the class Vector. Most of associated functions
* have been moved from the class Vector_divfree to the class Vector.
*
*
* $Header: /cvsroot/Lorene/C++/Source/Tensor/vector_divfree_aux.C,v 1.3 2014/10/13 08:53:45 j_novak Exp $
*
*/
// C++ headers
#include "headcpp.h"
// C headers
#include <cstdlib>
// Lorene headers
#include "metric.h"
#include "nbr_spx.h"
#include "utilitaires.h"
// Headers C
#include <cstdlib>
#include <cassert>
// Headers Lorene
#include "tensor.h"
//----------------//
// update_etavr //
//----------------//
namespace Lorene {
void Vector_divfree::update_etavr() {
assert(p_A != 0x0) ;
Scalar eta_tilde(*mp) ;
Scalar vr(*mp) ;
sol_Dirac_A(*p_A, eta_tilde, vr, 0x0) ;
*cmp[0] = vr ;
p_eta = &eta_tilde ;
Scalar* p_eta_tmp = p_eta ; //## in order not to delete p_eta
p_eta = 0x0 ;
Vector::del_deriv() ;
p_eta = p_eta_tmp ;
}
//---------------//
// set_vr_eta_mu //
//---------------//
void Vector_divfree::set_vr_eta_mu(const Scalar& vr_i, const Scalar& eta_i,
const Scalar& mu_i) {
// All this has a meaning only for spherical components:
assert( dynamic_cast<const Base_vect_spher*>(triad) != 0x0 ) ;
assert(&vr_i.get_mp() == &eta_i.get_mp()) ;
// V^r
*cmp[0] = vr_i ;
p_eta = new Scalar( eta_i ) ; // eta
p_mu = new Scalar( mu_i ) ; // mu
update_vtvp() ;
return ;
}
//--------------//
// set_A_mu //
//--------------//
void Vector_divfree::set_A_mu(const Scalar& A_i, const Scalar& mu_i, const Param* par_bc) {
// All this has a meaning only for spherical components:
assert( dynamic_cast<const Base_vect_spher*>(triad) != 0x0 ) ;
assert(&A_i.get_mp() == &mu_i.get_mp()) ;
del_deriv() ;
p_A = new Scalar (A_i) ;
p_mu = new Scalar (mu_i) ;
Scalar eta_tilde(*mp) ;
Scalar vr(*mp) ;
sol_Dirac_A(*p_A, vr, eta_tilde, par_bc) ;
*cmp[0] = vr ;
p_eta = new Scalar(eta_tilde) ;
p_eta->set_dzpuis(2);
//update_etavr();
//set_vr_eta_mu(*cmp[0], *p_eta, *p_mu) ;
update_vtvp();
return ;
}
}
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