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/*
* Function Valeur::lapang for the computation of the angular Laplacian:
*
* d^2/dtheta^2 + cos(theta)/sin(theta) d/dtheta + 1/sin(theta) d^2/dphi^2
*
*/
/*
* Copyright (c) 1999-2001 Eric Gourgoulhon
* Copyright (c) 1999-2001 Philippe Grandclement
*
* 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 valeur_lapang_C[] = "$Header: /cvsroot/Lorene/C++/Source/Valeur/valeur_lapang.C,v 1.2 2014/10/13 08:53:50 j_novak Exp $" ;
/*
* $Id: valeur_lapang.C,v 1.2 2014/10/13 08:53:50 j_novak Exp $
* $Log: valeur_lapang.C,v $
* Revision 1.2 2014/10/13 08:53:50 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
* LORENE
*
* Revision 2.4 1999/11/30 12:44:22 eric
* Valeur::base est desormais du type Base_val et non plus Base_val*.
*
* Revision 2.3 1999/11/23 16:17:37 eric
* Reorganisation du calcul dans le cas ETATZERO.
*
* Revision 2.2 1999/11/19 09:32:40 eric
* La valeur de retour est desormais const Valeur &.
*
* Revision 2.1 1999/10/18 13:42:09 eric
* Suppression de l'argument base dans les routines de derivation des mtbl_cf.
*
* Revision 2.0 1999/04/26 16:43:22 phil
* *** empty log message ***
*
* Revision 1.1 1999/04/26 16:42:30 phil
* Initial revision
*
*
* $Header: /cvsroot/Lorene/C++/Source/Valeur/valeur_lapang.C,v 1.2 2014/10/13 08:53:50 j_novak Exp $
*
*/
// Headers Lorene
#include "mtbl_cf.h"
#include "valeur.h"
namespace Lorene {
const Valeur& Valeur::lapang() const {
// Protection
assert(etat != ETATNONDEF) ;
// Peut-etre rien a faire ?
if (p_lapang != 0x0) {
return *p_lapang ;
}
// ... si, il faut bosser
p_lapang = new Valeur(mg) ;
if (etat == ETATZERO) {
p_lapang->set_etat_zero() ;
}
else {
assert(etat == ETATQCQ) ;
p_lapang->set_etat_cf_qcq() ;
Mtbl_cf* cfp = p_lapang->c_cf ; // Pointeur sur le Mtbl_cf qui vient d'etre
// cree par le set_etat_cf_qcq()
// Initialisation de *cfp : recopie des coef. de la fonction
if (c_cf == 0x0) {
coef() ;
}
*cfp = *c_cf ;
cfp->lapang() ; // calcul
p_lapang->base = cfp->base ; // On remonte la base de sortie au niveau Valeur
}
// Termine
return *p_lapang ;
}
}
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