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/*
* Copyright (c) 1999-2000 Jean-Alain Marck
* Copyright (c) 1999-2001 Philippe Grandclement
* Copyright (c) 1999-2002 Eric Gourgoulhon
*
* 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 som_phi_C[] = "$Header: /cvsroot/Lorene/C++/Source/Non_class_members/Operators/som_phi.C,v 1.5 2014/10/13 08:53:26 j_novak Exp $" ;
/*
* Ensemble des routine pour la sommation directe en phi
*
* SYNOPSYS:
* double som_phi_XX
* (double* ti, int np, double phi, double* xo)
*
* ATTENTION: np est le nombre reel de points.
* on suppose que ti contient les n+2
* avec les 0 qu'il faut.
*
*/
/*
* $Id: som_phi.C,v 1.5 2014/10/13 08:53:26 j_novak Exp $
* $Log: som_phi.C,v $
* Revision 1.5 2014/10/13 08:53:26 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.4 2014/10/06 15:16:06 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.3 2002/10/16 14:36:58 j_novak
* Reorganization of #include instructions of standard C++, in order to
* use experimental version 3 of gcc.
*
* Revision 1.2 2002/05/05 16:21:28 e_gourgoulhon
* Error message (for unknown basis) in English.
*
* Revision 1.1.1.1 2001/11/20 15:19:29 e_gourgoulhon
* LORENE
*
* Revision 2.2 2000/09/08 16:07:02 eric
* Ajout de la base P_COSSIN_I
*
* Revision 2.1 2000/03/06 09:34:58 eric
* Suppression des #include inutiles.
*
* Revision 2.0 1999/04/12 15:43:21 phil
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Source/Non_class_members/Operators/som_phi.C,v 1.5 2014/10/13 08:53:26 j_novak Exp $
*
*/
// Headers C
#include <cstdlib>
#include <cmath>
#include "headcpp.h"
namespace Lorene {
void som_phi_pas_prevu
(double*, const int, const double, double*) {
cout << "Mtbl_cf::val_point: phi basis not implemented yet ! "
<< endl ;
abort () ;
}
void som_phi_cossin
(double* ti, const int np, const double phi, double* xo) {
*xo = ti[0] ; // premier element
// Sommation sur les cosinus et les sinus
for (int k=2 ; k<np-1 ; k +=2 ) {
int m = k/2 ;
*xo += ti[k] * cos(m * phi) ;
*xo += ti[k+1] * sin(m * phi) ;
}
*xo += ti[np] * cos(np/2 * phi) ;
}
void som_phi_cossin_p
(double* ti, const int np, const double phi, double* xo) {
*xo = ti[0] ; // premier element
// Sommation sur les cosinus et les sinus
for (int k=2 ; k<np-1 ; k +=2 ) {
int m = 2*(k/2) ;
*xo += ti[k] * cos(m * phi) ;
*xo += ti[k+1] * sin(m * phi) ;
}
*xo += ti[np] * cos(np * phi) ;
}
void som_phi_cossin_i
(double* ti, const int np, const double phi, double* xo) {
*xo = ti[0] * cos(phi) + ti[2] * sin(phi) ;
// Sommation sur les harmoniques d'ordre m >= 3 :
for (int k=3 ; k<np ; k +=2 ) {
int m = k ;
*xo += ti[k] * cos(m * phi) ;
*xo += ti[k+1] * sin(m * phi) ;
}
}
}
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