ope_helmholtz_minus_pseudo_1d_non_dege.C
/*
* Copyright (c) 2004 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 version 2
* as published by the Free Software Foundation.
*
* 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 ope_helmholtz_minus_pseudo_1d_non_dege_C[] = "$Header: /cvsroot/Lorene/C++/Source/Ope_elementary/Ope_helmholtz_minus_pseudo_1d/ope_helmholtz_minus_pseudo_1d_non_dege.C,v 1.3 2014/10/13 08:53:33 j_novak Exp $" ;
/*
* $Id: ope_helmholtz_minus_pseudo_1d_non_dege.C,v 1.3 2014/10/13 08:53:33 j_novak Exp $
* $Header: /cvsroot/Lorene/C++/Source/Ope_elementary/Ope_helmholtz_minus_pseudo_1d/ope_helmholtz_minus_pseudo_1d_non_dege.C,v 1.3 2014/10/13 08:53:33 j_novak Exp $
*
*/
#include <cmath>
#include <cstdlib>
#include "proto.h"
#include "ope_elementary.h"
//------------------------------------
// Routine pour les cas non prevus --
//-----------------------------------
namespace Lorene {
Matrice _helmholtz_minus_pseudo_1d_non_dege_pas_prevu(const Matrice &lap, int) {
cout << "Construction non degeneree pas prevue..." << endl ;
abort() ;
exit(-1) ;
return lap ;
}
//-------------------
//-- R_CHEBU -----
//-------------------
Matrice _helmholtz_minus_pseudo_1d_non_dege_r_chebu_deux (const Matrice&) ;
Matrice _helmholtz_minus_pseudo_1d_non_dege_r_chebu (const Matrice &lap, int puis) {
switch (puis) {
case 2 :
return _helmholtz_minus_pseudo_1d_non_dege_r_chebu_deux (lap) ;
default :
abort() ;
exit(-1) ;
return Matrice(0, 0) ;
}
}
// Cas dzpuis = 2 ;
Matrice _helmholtz_minus_pseudo_1d_non_dege_r_chebu_deux (const Matrice &lap) {
int n = lap.get_dim(0) ;
Matrice res(n-1, n-1) ;
res.set_etat_qcq() ;
for (int i=0 ;i<n-1 ; i++)
for (int j=0 ; j<n-1 ; j++)
res.set(i, j) = lap(i, j+1) ;
res.set_band(5, 3) ;
res.set_lu() ;
return res ;
}
void Ope_helmholtz_minus_pseudo_1d::do_non_dege() const {
if (ope_cl == 0x0)
do_ope_cl() ;
if (non_dege != 0x0)
delete non_dege ;
// Routines de derivation
static Matrice (*helmholtz_minus_pseudo_1d_non_dege[MAX_BASE])(const Matrice&, int);
static int nap = 0 ;
// Premier appel
if (nap==0) {
nap = 1 ;
for (int i=0 ; i<MAX_BASE ; i++) {
helmholtz_minus_pseudo_1d_non_dege[i] = _helmholtz_minus_pseudo_1d_non_dege_pas_prevu ;
}
// Les routines existantes
helmholtz_minus_pseudo_1d_non_dege[R_CHEBU >> TRA_R] =
_helmholtz_minus_pseudo_1d_non_dege_r_chebu ;
}
non_dege = new Matrice(helmholtz_minus_pseudo_1d_non_dege[base_r](*ope_cl, dzpuis)) ;
}
}
Lorene::Matrice
Matrix handling.
Definition matrice.h:152
Lorene::Matrice::get_dim
int get_dim(int i) const
Returns the dimension of the matrix.
Definition matrice.C:260
Lorene::Ope_elementary::base_r
int base_r
Radial basis of decomposition.
Definition ope_elementary.h:107
Lorene::Ope_elementary::ope_cl
Matrice * ope_cl
Pointer on the banded-matrix of the operator.
Definition ope_elementary.h:118
Lorene::Ope_elementary::non_dege
Matrice * non_dege
Pointer on the non-degenerated matrix of the operator.
Definition ope_elementary.h:122
Lorene::Ope_helmholtz_minus_pseudo_1d::do_ope_cl
virtual void do_ope_cl() const
Computes the banded-matrix of the operator.
Definition ope_helmholtz_minus_pseudo_1d_cl.C:105
Lorene::Ope_helmholtz_minus_pseudo_1d::dzpuis
int dzpuis
the associated dzpuis, if in the compactified domain.
Definition ope_elementary.h:927
Lorene::Ope_helmholtz_minus_pseudo_1d::do_non_dege
virtual void do_non_dege() const
Computes the non-degenerated matrix of the operator.
Definition ope_helmholtz_minus_pseudo_1d_non_dege.C:83
MAX_BASE
#define MAX_BASE
Nombre max. de bases differentes.
Definition type_parite.h:144
R_CHEBU
#define R_CHEBU
base de Chebychev ordinaire (fin), dev. en 1/r
Definition type_parite.h:180
TRA_R
#define TRA_R
Translation en R, used for a bitwise shift (in hex).
Definition type_parite.h:158
Lorene
Lorene prototypes.
Definition app_hor.h:64