trigo_ini.C
/*
* Copyright (c) 1999-2000 Jean-Alain Marck
* Copyright (c) 1999-2001 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 trigo_ini_C[] = "$Header: /cvsroot/Lorene/C++/Source/Non_class_members/Coef/FFT991/trigo_ini.C,v 1.4 2014/10/15 12:48:22 j_novak Exp $" ;
/*
* Routine d'initialisation des tables trigo
* Version speciale FAX
*
* Entree:
* n nombre de degres de liberte
* Sortie:
* trigo_ini pointeur double* sur la table trigo
*
* Doit etre en zone critique
*/
/*
* $Id: trigo_ini.C,v 1.4 2014/10/15 12:48:22 j_novak Exp $
* $Log: trigo_ini.C,v $
* Revision 1.4 2014/10/15 12:48:22 j_novak
* Corrected namespace declaration.
*
* Revision 1.3 2014/10/13 08:53:18 j_novak
* Lorene classes and functions now belong to the namespace Lorene.
*
* Revision 1.2 2014/10/06 15:18:47 j_novak
* Modified #include directives to use c++ syntax.
*
* Revision 1.1 2004/12/21 17:06:01 j_novak
* Added all files for using fftw3.
*
* Revision 1.5 2003/12/19 16:21:47 j_novak
* Shadow hunt
*
* Revision 1.4 2003/01/31 10:31:24 e_gourgoulhon
* Suppressed the directive #include <malloc.h> for malloc is defined
* in <stdlib.h>
*
* Revision 1.3 2002/10/16 14:36:57 j_novak
* Reorganization of #include instructions of standard C++, in order to
* use experimental version 3 of gcc.
*
* Revision 1.2 2002/09/09 13:00:40 e_gourgoulhon
* Modification of declaration of Fortran 77 prototypes for
* a better portability (in particular on IBM AIX systems):
* All Fortran subroutine names are now written F77_* and are
* defined in the new file C++/Include/proto_f77.h.
*
* Revision 1.1.1.1 2001/11/20 15:19:29 e_gourgoulhon
* LORENE
*
* Revision 2.1 1999/11/24 16:23:22 eric
* Modif affichage.
*
* Revision 2.0 1999/02/22 15:29:33 hyc
* *** empty log message ***
*
*
* $Header: /cvsroot/Lorene/C++/Source/Non_class_members/Coef/FFT991/trigo_ini.C,v 1.4 2014/10/15 12:48:22 j_novak Exp $
*
*/
// headers du C
#include <cmath>
#include <cstdlib>
// Prototypes of F77 subroutines
#include "headcpp.h"
#include "proto_f77.h"
namespace Lorene {
double *trigo_ini( int n )
{
// Variables locales statiques
// ---------------------------
#define NMAX 30 /* Nombre maximun de dimensions differentes */
static double *table_trigo[NMAX] ; /* Tableau des pointeurs sur les tableaux */
static int nwork = 0 ; /* Nombre de tableaux deja initialises */
static int tbn[NMAX] ; /* Tableau des points deja initialises */
static int trois = 3 ;
int indice ;
{
// Ce nombre de points a-t-il deja ete utilise ?
indice = -1 ;
int i ;
for ( i=0 ; i < nwork ; i++ ) {
if ( tbn[i] == n ) indice = i ;
}
// Initialisation
if (indice == -1) { /* Il faut une nouvelle initialisation */
if ( nwork >= NMAX ) {
cout << "trigo_ini : nwork >= NMAX !" << endl ;
abort() ;
}
indice = nwork ; nwork++ ; tbn[indice] = n ;
// table_trigo[indice] = new double[3*n/2 + 1] ;
table_trigo[indice] = (double *) malloc( sizeof(double) * (3*n/2 + 1) ) ;
if ( table_trigo[indice] == 0 ) {
cout << "trigo_ini : malloc error !" << endl ;
abort() ;
}
F77_fftrig( table_trigo[indice], &n, &trois ) ;
}
} // Fin de zone critique
// Valeurs de retour
return table_trigo[indice] ;
}
}
Lorene
Lorene prototypes.
Definition app_hor.h:64