LORENE
valeur_mult_xm1.C
1/*
2 *
3 * Multiplication by (x-1) in the external compactified domain
4 *
5 * for:
6 * - Valeur
7 * - Mtbl_cf
8 */
9
10/*
11 * Copyright (c) 1999-2001 Eric Gourgoulhon
12 *
13 * This file is part of LORENE.
14 *
15 * LORENE is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * LORENE is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with LORENE; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 *
29 */
30
31
32
33
34/*
35 * $Id: valeur_mult_xm1.C,v 1.5 2021/11/22 15:19:45 j_novak Exp $
36 * $Log: valeur_mult_xm1.C,v $
37 * Revision 1.5 2021/11/22 15:19:45 j_novak
38 * Addition of new method mult_xm1_shell(int) to multiply by (\xi -1) in a
39 * given shell.
40 *
41 * Revision 1.4 2016/12/05 16:18:21 j_novak
42 * Suppression of some global variables (file names, loch, ...) to prevent redefinitions
43 *
44 * Revision 1.3 2014/10/13 08:53:51 j_novak
45 * Lorene classes and functions now belong to the namespace Lorene.
46 *
47 * Revision 1.2 2014/10/06 15:13:24 j_novak
48 * Modified #include directives to use c++ syntax.
49 *
50 * Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
51 * LORENE
52 *
53 * Revision 2.3 2000/03/09 16:54:23 eric
54 * Traitement du cas etat=ETATZERO
55 *
56 * Revision 2.2 1999/11/30 12:45:18 eric
57 * Valeur::base est desormais du type Base_val et non plus Base_val*.
58 *
59 * Revision 2.1 1999/10/18 13:42:33 eric
60 * Suppression de l'argument base dans les routines de derivation des mtbl_cf.
61 *
62 * Revision 2.0 1999/04/26 16:16:17 phil
63 * *** empty log message ***
64 *
65 *
66 * $Header: /cvsroot/Lorene/C++/Source/Valeur/valeur_mult_xm1.C,v 1.5 2021/11/22 15:19:45 j_novak Exp $
67 *
68 */
69
70// Headers C
71#include <cassert>
72
73// Headers Lorene
74#include "mtbl_cf.h"
75#include "valeur.h"
76
77// Local prototypes
78namespace Lorene {
79void _mult_xm1_identite(Tbl*, int&) ;
80void _mult_xm1_cheb(Tbl*, int&) ;
81
82
84
85 // Peut-etre ne rien faire ?
86 if (etat==ETATZERO) {
87 return ;
88 }
89
90 assert(etat==ETATQCQ) ;
91
92 // Calcul des coef.
93 coef() ;
94
95 // Division par (x-1) dans la ZEC
96 c_cf->mult_xm1_shell(lz) ;
98
99 base = c_cf->base ; // On remonte la base de sortie au niveau Valeur
100
101}
102
103
104/*
105 * Fonction membre de la classe Mtbl_cf pour la multiplication par (x-1)
106 * dans la zone externe compactifiee applique a this
107 *
108 */
109
111{
112
113 if (mg->get_type_r(lz) != FIN) {
114 cerr << "Mtbl_cf::mult_xm1_shell() : not called on a shell!" << endl ;
115 abort() ;
116 }
117
118 // Peut-etre ne rien faire ?
119 if (etat==ETATZERO) {
120 return ;
121 }
122
123 assert(etat==ETATQCQ) ;
124
125 _mult_xm1_cheb(t[lz], base.b[lz]) ;
126
127}
128
130
131 // Peut-etre ne rien faire ?
132 if (etat==ETATZERO) {
133 return ;
134 }
135
136 assert(etat==ETATQCQ) ;
137
138 // Calcul des coef.
139 coef() ;
140
141 // Division par (x-1) dans la ZEC
142 c_cf->mult_xm1_zec() ;
144
145 base = c_cf->base ; // On remonte la base de sortie au niveau Valeur
146
147}
148
149
150/*
151 * Fonction membre de la classe Mtbl_cf pour la multiplication par (x-1)
152 * dans la zone externe compactifiee applique a this
153 *
154 */
155
157{
158
159// Routines de derivation
160static void (*_mult_xm1[MAX_BASE])(Tbl *, int&) ;
161static int nap = 0 ;
162
163 if (nap==0) {
164 nap = 1 ;
165 for (int i=0 ; i<MAX_BASE ; i++) {
166 _mult_xm1[i] = _mult_xm1_identite ;
167 }
168
169 // Les routines existantes cas UNSURR
170 _mult_xm1[R_CHEBU >> TRA_R] = _mult_xm1_cheb ;
171 }
172
173 // Peut-etre ne rien faire ?
174 if (etat==ETATZERO) {
175 return ;
176 }
177
178 assert(etat==ETATQCQ) ;
179
180 // Boucle sur les zones
181 for (int l=0 ; l<nzone ; l++) {
182 int base_r = (base.b[l] & MSQ_R) >> TRA_R ;
183 _mult_xm1[base_r](t[l], base.b[l]) ;
184 }
185
186}
187
188
189}
Base_val base
Bases of the spectral expansions.
Definition mtbl_cf.h:210
void mult_xm1_zec()
Id (r sampling = RARE, FIN ) \ (r -sampling = UNSURR ).
const Mg3d * mg
Pointer on the multi-grid Mgd3 on which this is defined.
Definition mtbl_cf.h:202
void mult_xm1_shell(int i)
Id (r sampling = RARE, UNSURR ) \ (r -sampling = FIN ).
int etat
Logical state (ETATNONDEF , ETATQCQ or ETATZERO ).
Definition mtbl_cf.h:206
Tbl ** t
Array (size nzone ) of pointers on the Tbl 's which contain the spectral coefficients in each domain.
Definition mtbl_cf.h:215
int nzone
Number of domains (zones).
Definition mtbl_cf.h:204
Basic array class.
Definition tbl.h:161
void set_etat_cf_qcq()
Sets the logical state to ETATQCQ (ordinary state) for values in the configuration space (Mtbl_cf c_c...
Definition valeur.C:715
void mult_xm1_zec()
Applies the following operator to *this : \ Id (r sampling = RARE, FIN ) \ (r -sampling = UNSURR ).
void mult_xm1_shell(int index)
Applies the following operator to *this : \ Id (r sampling = RARE, UNSURR ) \ (r -sampling = FIN ) \...
Mtbl_cf * c_cf
Coefficients of the spectral expansion of the function.
Definition valeur.h:312
void coef() const
Computes the coeffcients of *this.
Base_val base
Bases on which the spectral expansion is performed.
Definition valeur.h:315
int etat
Logical state (ETATNONDEF , ETATQCQ or ETATZERO ).
Definition valeur.h:305
#define MAX_BASE
Nombre max. de bases differentes.
#define R_CHEBU
base de Chebychev ordinaire (fin), dev. en 1/r
#define MSQ_R
Extraction de l'info sur R.
#define TRA_R
Translation en R, used for a bitwise shift (in hex).
Lorene prototypes.
Definition app_hor.h:67