ope_vorton_non_dege.C

/*
 *   Copyright (c) 2003 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_vorton_non_dege_C[] = "$Header: /cvsroot/Lorene/C++/Source/Ope_elementary/Ope_vorton/ope_vorton_non_dege.C,v 1.2 2007/04/24 15:52:55 p_grandclement Exp $" ;

/*
 * $Id: ope_vorton_non_dege.C,v 1.2 2007/04/24 15:52:55 p_grandclement Exp $
 * $Header: /cvsroot/Lorene/C++/Source/Ope_elementary/Ope_vorton/ope_vorton_non_dege.C,v 1.2 2007/04/24 15:52:55 p_grandclement Exp $
 *
 */
#include <math.h>
#include <stdlib.h>

#include "proto.h"
#include "ope_elementary.h"

        //-------------------
           //-- Pas prevu   ----
          //-------------------

Matrice _vorton_non_dege_pas_prevu (const Matrice& so, int, int) {
  cout << "vorton non dege : not implemented" << endl ;
  abort() ;
  exit(-1) ;
  return so;
}

        //-------------------
           //--  R_CHEB   ------
          //-------------------

Matrice _vorton_non_dege_r_cheb (const Matrice& source, int, int) {

  int n = source.get_dim(0) ;
  int non_dege = 2 ;
  
  Matrice res(n-non_dege, n-non_dege) ;
  res.set_etat_qcq() ;
  for (int i=0 ; i<n-non_dege ; i++)
    for (int j=0 ; j<n-non_dege ; j++)
      res.set(i, j) = source(i, j+non_dege) ;
  
  res.set_band (2,2) ;
  res.set_lu() ;
  return res ;
} 


            //-------------------
           //--  R_CHEBU   -----
          //-------------------
Matrice _vorton_non_dege_r_chebu_trois (const Matrice &lap, int l) {
    
    int n = lap.get_dim(0) ;
    if (l==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(3, 0) ;
    res.set_lu() ;
    return res ;
    }
    else {
    Matrice res(n-2, n-2) ;
    res.set_etat_qcq() ;
    for (int i=0 ;i<n-2 ; i++)
        for (int j=0 ; j<n-2 ; j++)
        res.set(i, j) = lap(i, j+2) ;
    
    res.set_band(2, 1) ;
    res.set_lu() ;
    return res ;
    } 
}         

Matrice _vorton_non_dege_r_chebu (const Matrice &lap, int l, int puis) {

    switch (puis) {
    case 3 :
        return _vorton_non_dege_r_chebu_trois (lap, l) ;
    default :
        abort() ;
        exit(-1) ;
        return Matrice(0, 0) ;
    }
}

void Ope_vorton::do_non_dege() const {
  if (ope_cl == 0x0)
    do_ope_cl() ;
  
  if (non_dege != 0x0)
    delete non_dege ;
  
  // Routines de derivation
  static Matrice (*vorton_non_dege[MAX_BASE])(const Matrice&, int, int);
  static int nap = 0 ;
  
  // Premier appel
  if (nap==0) {
    nap = 1 ;
    for (int i=0 ; i<MAX_BASE ; i++) {
      vorton_non_dege[i] = _vorton_non_dege_pas_prevu ;
    }
    // Les routines existantes
    vorton_non_dege[R_CHEB >> TRA_R] = _vorton_non_dege_r_cheb ; 
    vorton_non_dege[R_CHEBU >> TRA_R] = _vorton_non_dege_r_chebu ;
  }
  non_dege = new Matrice(vorton_non_dege[base_r](*ope_cl, l_quant, dzpuis)) ;
}

---