LORENE
valeur_sx2.C
1 /*
2  * Computation of 1/x^2
3  *
4  * for:
5  * - Valeur
6  * - Mtbl_cf
7  */
8 
9 /*
10  * Copyright (c) 1999-2000 Jean-Alain Marck
11  * Copyright (c) 1999-2001 Eric Gourgoulhon
12  * Copyright (c) 1999-2001 Philippe Grandclement
13  *
14  * This file is part of LORENE.
15  *
16  * LORENE is free software; you can redistribute it and/or modify
17  * it under the terms of the GNU General Public License as published by
18  * the Free Software Foundation; either version 2 of the License, or
19  * (at your option) any later version.
20  *
21  * LORENE is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24  * GNU General Public License for more details.
25  *
26  * You should have received a copy of the GNU General Public License
27  * along with LORENE; if not, write to the Free Software
28  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29  *
30  */
31 
32 
33 char valeur_sx2_C[] = "$Header: /cvsroot/Lorene/C++/Source/Valeur/valeur_sx2.C,v 1.5 2015/03/05 08:49:33 j_novak Exp $" ;
34 
35 /*
36  * $Id: valeur_sx2.C,v 1.5 2015/03/05 08:49:33 j_novak Exp $
37  * $Log: valeur_sx2.C,v $
38  * Revision 1.5 2015/03/05 08:49:33 j_novak
39  * Implemented operators with Legendre bases.
40  *
41  * Revision 1.4 2014/10/13 08:53:51 j_novak
42  * Lorene classes and functions now belong to the namespace Lorene.
43  *
44  * Revision 1.3 2014/10/06 15:13:24 j_novak
45  * Modified #include directives to use c++ syntax.
46  *
47  * Revision 1.2 2004/11/23 15:17:20 m_forot
48  * Added the bases for the cases without any equatorial symmetry
49  * (T_COSSIN_C, T_COSSIN_S, T_LEG, R_CHEBPI_P, R_CHEBPI_I).
50  *
51  * Revision 1.1.1.1 2001/11/20 15:19:27 e_gourgoulhon
52  * LORENE
53  *
54  * Revision 2.8 1999/11/30 12:46:01 eric
55  * Valeur::base est desormais du type Base_val et non plus Base_val*.
56  *
57  * Revision 2.7 1999/11/23 16:19:22 eric
58  * Reorganisation du calcul dans le cas ETATZERO.
59  *
60  * Revision 2.6 1999/11/19 09:32:02 eric
61  * La valeur de retour est desormais const Valeur &.
62  *
63  * Revision 2.5 1999/10/28 08:00:57 eric
64  * Modif commentaires.
65  *
66  * Revision 2.4 1999/10/18 13:43:07 eric
67  * Suppression de l'argument base dans les routines de derivation des mtbl_cf.
68  *
69  * Revision 2.3 1999/04/28 10:10:59 phil
70  * *** empty log message ***
71  *
72  * Revision 2.2 1999/04/26 17:15:57 phil
73  * *** empty log message ***
74  *
75  * Revision 2.1 1999/04/26 17:14:20 phil
76  * *** empty log message ***
77  *
78  * Revision 2.0 1999/04/26 17:13:09 phil
79  * *** empty log message ***
80  *
81  * Revision 2.0 1999/04/26 14:59:31 phil
82  * *** empty log message ***
83  *
84  *
85  * $Header: /cvsroot/Lorene/C++/Source/Valeur/valeur_sx2.C,v 1.5 2015/03/05 08:49:33 j_novak Exp $
86  *
87  */
88 
89 
90 // Headers C
91 #include <cassert>
92 
93 // Headers Lorene
94 #include "mtbl_cf.h"
95 #include "valeur.h"
96 
97 // Local prototypes:
98 namespace Lorene {
99 void _sx2_pas_prevu(Tbl *, int &) ;
100 void _sx2_r_chebu(Tbl *, int &) ;
101 void _sx2_r_chebp(Tbl *, int &) ;
102 void _sx2_r_chebi(Tbl *, int &) ;
103 void _sx2_r_chebpim_p(Tbl *, int &) ;
104 void _sx2_r_chebpim_i(Tbl *, int &) ;
105 void _sx2_identite (Tbl *, int &) ;
106 void _sx2_r_chebpi_p(Tbl *, int &) ;
107 void _sx2_r_chebpi_i(Tbl *, int &) ;
108 void _sx2_r_legp(Tbl *, int &) ;
109 void _sx2_r_legi(Tbl *, int &) ;
110 
111 // Version membre d'un Valeur
112 // --------------------------
113 
114 const Valeur& Valeur::sx2() const {
115 
116  // Protection
117  assert(etat != ETATNONDEF) ;
118 
119  // Peut-etre rien a faire ?
120  if (p_sx2 != 0x0) {
121  return *p_sx2 ;
122  }
123 
124  // ... si, il faut bosser
125 
126  p_sx2 = new Valeur(mg) ;
127 
128  if (etat == ETATZERO) {
129  p_sx2->set_etat_zero() ;
130  }
131  else {
132  assert(etat == ETATQCQ) ;
134  Mtbl_cf* cfp = p_sx2->c_cf ; // Pointeur sur le Mtbl_cf qui vient d'etre
135  // cree par le set_etat_cf_qcq()
136 
137  // Initialisation de *cfp : recopie des coef. de la fonction
138  if (c_cf == 0x0) {
139  coef() ;
140  }
141  *cfp = *c_cf ;
142 
143  cfp->sx2() ; // calcul
144 
145  p_sx2->base = cfp->base ; // On remonte la base de sortie au niveau Valeur
146  }
147 
148  // Termine
149  return *p_sx2 ;
150 }
151 
152 
153 
154 // Version membre d'un Mtbl_cf
155 // ---------------------------
156 \
157 void Mtbl_cf::sx2() {
158 
159 // Routines de derivation
160 static void (*_sx2[MAX_BASE])(Tbl *, int &) ;
161 static int nap = 0 ;
162 
163  // Premier appel
164  if (nap==0) {
165  nap = 1 ;
166  for (int i=0 ; i<MAX_BASE ; i++) {
167  _sx2[i] = _sx2_pas_prevu ;
168  }
169  // Les routines existantes
170  _sx2[R_CHEB >> TRA_R] = _sx2_identite ;
171  _sx2[R_CHEBU >> TRA_R] = _sx2_r_chebu ;
172  _sx2[R_CHEBP >> TRA_R] = _sx2_r_chebp ;
173  _sx2[R_CHEBI >> TRA_R] = _sx2_r_chebi ;
174  _sx2[R_CHEBPIM_P >> TRA_R] = _sx2_r_chebpim_p ;
175  _sx2[R_CHEBPIM_I >> TRA_R] = _sx2_r_chebpim_i ;
176  _sx2[R_CHEBPI_P >> TRA_R] = _sx2_r_chebpi_p ;
177  _sx2[R_CHEBPI_I >> TRA_R] = _sx2_r_chebpi_i ;
178  _sx2[R_LEG >> TRA_R] = _sx2_identite ;
179  _sx2[R_LEGP >> TRA_R] = _sx2_r_legp ;
180  _sx2[R_LEGI >> TRA_R] = _sx2_r_legi ;
181  }
182 
183  //- Debut de la routine -
184 
185  // Protection
186  assert(etat == ETATQCQ) ;
187 
188  // Boucle sur les zones
189  for (int l=0 ; l<nzone ; l++) {
190  int base_r = (base.b[l] & MSQ_R) >> TRA_R ;
191  assert(t[l] != 0x0) ;
192  _sx2[base_r](t[l], base.b[l]) ;
193  }
194 }
195 }
int * b
Array (size: nzone ) of the spectral basis in each domain.
Definition: base_val.h:331
Coefficients storage for the multi-domain spectral method.
Definition: mtbl_cf.h:186
Base_val base
Bases of the spectral expansions.
Definition: mtbl_cf.h:200
void sx2()
(r -sampling = RARE ) \ Id (r sampling = FIN ) \ (r -sampling = UNSURR )
Definition: valeur_sx2.C:157
int etat
Logical state (ETATNONDEF , ETATQCQ or ETATZERO ).
Definition: mtbl_cf.h:196
Tbl ** t
Array (size nzone ) of pointers on the Tbl 's which contain the spectral coefficients in each domain.
Definition: mtbl_cf.h:205
int nzone
Number of domains (zones)
Definition: mtbl_cf.h:194
Basic array class.
Definition: tbl.h:161
Values and coefficients of a (real-value) function.
Definition: valeur.h:287
const Valeur & sx2() const
Returns (r -sampling = RARE ) \ Id (r sampling = FIN ) \ (r -sampling = UNSURR )
Definition: valeur_sx2.C:114
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:712
Valeur * p_sx2
Pointer on .
Definition: valeur.h:313
void set_etat_zero()
Sets the logical state to ETATZERO (zero).
Definition: valeur.C:689
Valeur(const Mg3d &mgrid)
Constructor.
Definition: valeur.C:200
const Mg3d * mg
Multi-grid Mgd3 on which this is defined.
Definition: valeur.h:292
Mtbl_cf * c_cf
Coefficients of the spectral expansion of the function.
Definition: valeur.h:302
void coef() const
Computes the coeffcients of *this.
Definition: valeur_coef.C:148
Base_val base
Bases on which the spectral expansion is performed.
Definition: valeur.h:305
int etat
Logical state (ETATNONDEF , ETATQCQ or ETATZERO ).
Definition: valeur.h:295
#define R_LEGP
base de Legendre paire (rare) seulement
Definition: type_parite.h:184
#define MAX_BASE
Nombre max. de bases differentes.
Definition: type_parite.h:144
#define R_CHEBU
base de Chebychev ordinaire (fin), dev. en 1/r
Definition: type_parite.h:180
#define R_LEGI
base de Legendre impaire (rare) seulement
Definition: type_parite.h:186
#define R_CHEBI
base de Cheb. impaire (rare) seulement
Definition: type_parite.h:170
#define MSQ_R
Extraction de l'info sur R.
Definition: type_parite.h:152
#define R_CHEBPIM_I
Cheb. pair-impair suivant m, impair pour m=0.
Definition: type_parite.h:178
#define R_CHEBPI_I
Cheb. pair-impair suivant l impair pour l=0.
Definition: type_parite.h:174
#define R_LEG
base de Legendre ordinaire (fin)
Definition: type_parite.h:182
#define R_CHEBPIM_P
Cheb. pair-impair suivant m, pair pour m=0.
Definition: type_parite.h:176
#define TRA_R
Translation en R, used for a bitwise shift (in hex)
Definition: type_parite.h:158
#define R_CHEB
base de Chebychev ordinaire (fin)
Definition: type_parite.h:166
#define R_CHEBP
base de Cheb. paire (rare) seulement
Definition: type_parite.h:168
#define R_CHEBPI_P
Cheb. pair-impair suivant l pair pour l=0.
Definition: type_parite.h:172
Lorene prototypes.
Definition: app_hor.h:64