LORENE
trigo_ini.C
1/*
2 * Copyright (c) 1999-2000 Jean-Alain Marck
3 * Copyright (c) 1999-2001 Eric Gourgoulhon
4 *
5 * This file is part of LORENE.
6 *
7 * LORENE is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * LORENE is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with LORENE; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23
24char 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 $" ;
25
26/*
27 * Routine d'initialisation des tables trigo
28 * Version speciale FAX
29 *
30 * Entree:
31 * n nombre de degres de liberte
32 * Sortie:
33 * trigo_ini pointeur double* sur la table trigo
34 *
35 * Doit etre en zone critique
36 */
37
38/*
39 * $Id: trigo_ini.C,v 1.4 2014/10/15 12:48:22 j_novak Exp $
40 * $Log: trigo_ini.C,v $
41 * Revision 1.4 2014/10/15 12:48:22 j_novak
42 * Corrected namespace declaration.
43 *
44 * Revision 1.3 2014/10/13 08:53:18 j_novak
45 * Lorene classes and functions now belong to the namespace Lorene.
46 *
47 * Revision 1.2 2014/10/06 15:18:47 j_novak
48 * Modified #include directives to use c++ syntax.
49 *
50 * Revision 1.1 2004/12/21 17:06:01 j_novak
51 * Added all files for using fftw3.
52 *
53 * Revision 1.5 2003/12/19 16:21:47 j_novak
54 * Shadow hunt
55 *
56 * Revision 1.4 2003/01/31 10:31:24 e_gourgoulhon
57 * Suppressed the directive #include <malloc.h> for malloc is defined
58 * in <stdlib.h>
59 *
60 * Revision 1.3 2002/10/16 14:36:57 j_novak
61 * Reorganization of #include instructions of standard C++, in order to
62 * use experimental version 3 of gcc.
63 *
64 * Revision 1.2 2002/09/09 13:00:40 e_gourgoulhon
65 * Modification of declaration of Fortran 77 prototypes for
66 * a better portability (in particular on IBM AIX systems):
67 * All Fortran subroutine names are now written F77_* and are
68 * defined in the new file C++/Include/proto_f77.h.
69 *
70 * Revision 1.1.1.1 2001/11/20 15:19:29 e_gourgoulhon
71 * LORENE
72 *
73 * Revision 2.1 1999/11/24 16:23:22 eric
74 * Modif affichage.
75 *
76 * Revision 2.0 1999/02/22 15:29:33 hyc
77 * *** empty log message ***
78 *
79 *
80 * $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 $
81 *
82 */
83
84// headers du C
85#include <cmath>
86#include <cstdlib>
87
88// Prototypes of F77 subroutines
89#include "headcpp.h"
90#include "proto_f77.h"
91
92namespace Lorene {
93double *trigo_ini( int n )
94{
95// Variables locales statiques
96// ---------------------------
97#define NMAX 30 /* Nombre maximun de dimensions differentes */
98static double *table_trigo[NMAX] ; /* Tableau des pointeurs sur les tableaux */
99static int nwork = 0 ; /* Nombre de tableaux deja initialises */
100static int tbn[NMAX] ; /* Tableau des points deja initialises */
101static int trois = 3 ;
102int indice ;
103
104{
105 // Ce nombre de points a-t-il deja ete utilise ?
106 indice = -1 ;
107 int i ;
108 for ( i=0 ; i < nwork ; i++ ) {
109 if ( tbn[i] == n ) indice = i ;
110 }
111
112 // Initialisation
113 if (indice == -1) { /* Il faut une nouvelle initialisation */
114 if ( nwork >= NMAX ) {
115 cout << "trigo_ini : nwork >= NMAX !" << endl ;
116 abort() ;
117 }
118 indice = nwork ; nwork++ ; tbn[indice] = n ;
119
120// table_trigo[indice] = new double[3*n/2 + 1] ;
121 table_trigo[indice] = (double *) malloc( sizeof(double) * (3*n/2 + 1) ) ;
122 if ( table_trigo[indice] == 0 ) {
123 cout << "trigo_ini : malloc error !" << endl ;
124 abort() ;
125 }
126
127 F77_fftrig( table_trigo[indice], &n, &trois ) ;
128 }
129
130 } // Fin de zone critique
131
132 // Valeurs de retour
133 return table_trigo[indice] ;
134}
135}
Lorene prototypes.
Definition app_hor.h:64