LORENE
grille3d.C
1 /*
2  * Methods of class Grille3d and derived classes
3  *
4  */
5 
6 /*
7  * Copyright (c) 1999-2000 Jean-Alain Marck
8  * Copyright (c) 1999-2001 Eric Gourgoulhon
9  *
10  * This file is part of LORENE.
11  *
12  * LORENE is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (at your option) any later version.
16  *
17  * LORENE is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with LORENE; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25  *
26  */
27 
28 
29 char grille3d_C[] = "$Header: /cvsroot/Lorene/C++/Source/Grille3d/grille3d.C,v 1.10 2014/10/13 08:52:59 j_novak Exp $" ;
30 
31 /*
32  * $Id: grille3d.C,v 1.10 2014/10/13 08:52:59 j_novak Exp $
33  * $Log: grille3d.C,v $
34  * Revision 1.10 2014/10/13 08:52:59 j_novak
35  * Lorene classes and functions now belong to the namespace Lorene.
36  *
37  * Revision 1.9 2013/06/07 14:44:33 j_novak
38  * Coefficient computation for even Legendre basis.
39  *
40  * Revision 1.8 2013/06/06 15:31:32 j_novak
41  * Functions to compute Legendre coefficients (not fully tested yet).
42  *
43  * Revision 1.7 2013/06/05 15:00:26 j_novak
44  * Suppression of all classes derived from Grille3d. Now Grille3d is no
45  * longer an abstract class. r-samplings are only one of RARE, FIN or
46  * UNSURR (FINJAC has been removed). Instead, Mg3d possesses a new member
47  * colloc_r[nzone] defining the type of collocation points (spectral
48  * bases) in each domain.
49  *
50  * Revision 1.6 2008/08/27 08:47:38 jl_cornou
51  * Added R_JACO02 case
52  *
53  * Revision 1.5 2008/01/09 14:04:03 j_novak
54  * Initialization of xx
55  *
56  * Revision 1.4 2008/01/08 13:53:29 j_novak
57  * Special treatment of the case nt=1.
58  *
59  * Revision 1.3 2007/12/11 15:28:13 jl_cornou
60  * Jacobi(0,2) polynomials partially implemented
61  *
62  * Revision 1.2 2002/10/16 14:36:36 j_novak
63  * Reorganization of #include instructions of standard C++, in order to
64  * use experimental version 3 of gcc.
65  *
66  * Revision 1.1.1.1 2001/11/20 15:19:28 e_gourgoulhon
67  * LORENE
68  *
69  * Revision 2.10 2001/05/26 14:50:46 eric
70  * *** empty log message ***
71  *
72  * Revision 2.9 2001/05/26 13:25:59 eric
73  * Ajout du membre g_twice (grille double pour le desaliasing)
74  * Modif de la declaration de g_angu (pointeur mutable)
75  * g_twice et g_angu ne sont calcules que si necessaire (cad si
76  * on appelle la fonction get_twice() ou get_angu()).
77  *
78  * Revision 2.8 2000/03/22 13:38:51 eric
79  * Remplacement des iendl par endl dans <<
80  *
81  * Revision 2.7 1999/10/12 15:04:29 eric
82  * *** empty log message ***
83  *
84  * Revision 2.6 1999/10/12 15:03:30 eric
85  * *** empty log message ***
86  *
87  * Revision 2.5 1999/09/30 14:58:16 eric
88  * Operator!= declare const
89  *
90  * Revision 2.4 1999/09/30 14:12:04 eric
91  * sauve declaree const.
92  *
93  * Revision 2.3 1999/09/30 12:52:52 eric
94  * Depoussierage.
95  * Documentation.
96  *
97  * Revision 2.2 1999/03/01 14:35:21 eric
98  * Modif affichage (operator<<)
99  *
100  *
101  * $Header: /cvsroot/Lorene/C++/Source/Grille3d/grille3d.C,v 1.10 2014/10/13 08:52:59 j_novak Exp $
102  *
103  */
104 
105 
106 // Fichiers include
107 // ----------------
108 #include <cmath>
109 
110 #include "tbl.h"
111 #include "grilles.h"
112 #include "proto.h"
113 
114 
115  //-------------//
116  // Mono-grille //
117  //-------------//
118 
119 // Constructeur
120 //-------------
121 namespace Lorene {
122 Grille3d::Grille3d(int nrs, int nts, int nps, int typer, int typet,
123  int typep, int baser)
124  : nr(nrs), nt(nts), np(nps), type_r(typer), type_t(typet),
125  type_p(typep), base_r(baser)
126 {
127 
128  //Radial part
129  assert(nr > 0) ;
130  x = new double[nr] ;
131  x[0] = 0. ;
132  if (nr > 1) compute_radial_grid() ;
133 
134  //Theta part
135  assert(nt > 0) ;
136  tet = new double[nt] ;
137  double fac_tet = M_PI ;
138  if (type_t == SYM) fac_tet *= 0.5 ;
139  if (nt == 1)
140  fac_tet = 0 ;
141  else
142  fac_tet /= double(nt-1) ;
143  for (int i=0; i<nt; i++)
144  tet[i] = double(i)*fac_tet ;
145  if ( (type_t != SYM) && (type_t != NONSYM) ) {
146  cout << "Grille3d: unknown type in theta!" << endl ;
147  abort() ;
148  }
149 
150  //Phi part
151  assert(np > 0) ;
152  phi = new double[np] ;
153  double fac_phi = M_PI / double(np) ;
154  if (type_p == NONSYM) fac_phi *= 2. ;
155  for (int i=0; i<np; i++)
156  phi[i] = double(i)*fac_phi ;
157  if ( (type_p != SYM) && (type_p != NONSYM) ) {
158  cout << "Grille3d: unknown type in phi!" << endl ;
159  abort() ;
160  }
161 
162 }
163 
164 // Destructeur
165 //------------
167  delete [] x ;
168  delete [] tet ;
169  delete [] phi ;
170 }
171 
173 
174  assert(nr > 1) ;
175  double xx = 0 ;
176 
177  switch (base_r) {
178  case BASE_CHEB :
179  switch (type_r) {
180  case RARE:
181  xx = M_PI/double(2*(nr-1)) ;
182  for (int i=0; i<nr; i++)
183  x[i] = sin(xx*double(i)) ;
184  break ;
185  case FIN: case UNSURR :
186  xx = M_PI/double(nr-1) ;
187  for (int i=0 ; i<nr ; i++)
188  x[i] = -cos(xx*double(i)) ;
189  break ;
190  default:
191  cout << "Grille3d::compute_radial_grid : " << endl ;
192  cout << "Unknown type of sampling for the Chebyshev basis!" << endl ;
193  abort() ;
194  }
195  break ;
196  case BASE_LEG :
197  switch (type_r) {
198  case FIN:
199  legendre_collocation_points(nr, x) ;
200  break ;
201  case RARE: {
202  Tbl full_x(2*nr-1) ;
203  full_x.set_etat_qcq() ;
204  legendre_collocation_points(2*nr - 1, full_x.t) ;
205  for (int i=0; i<nr; i++)
206  x[i] = full_x(i+nr-1) ;
207  break ;
208  }
209  default:
210  cout << "Grille3d::compute_radial_grid : " << endl ;
211  cout << "Unknown type of sampling for the Legendre basis!" << endl ;
212  abort() ;
213  }
214  break ;
215  case BASE_JAC02 : {
216  double* yy = pointsgausslobatto(nr-1);
217  for (int i=0 ; i<nr ; i++) {
218  x[i] = yy[i] ;
219  }
220  delete [] yy ;
221  break ;
222  }
223  default :
224  cout << "Grille3d::compute_radial_grid : " << endl ;
225  cout << "Unknown type of basis!" << endl ;
226  abort() ;
227  break ;
228  }
229 }
230 
231 
232 }
int type_t
Type of sampling in (SYM,NONSYM)
Definition: grilles.h:202
const int nr
Number of points in r ( )
Definition: grilles.h:196
Lorene prototypes.
Definition: app_hor.h:64
virtual ~Grille3d()
Destructor.
Definition: grille3d.C:166
double * phi
Array of values of at the np collocation points.
Definition: grilles.h:213
double * x
Array of values of at the nr collocation points.
Definition: grilles.h:209
Cmp cos(const Cmp &)
Cosine.
Definition: cmp_math.C:94
void compute_radial_grid()
Computes the collocation point coordinates in the radial direction.
Definition: grille3d.C:172
void set_etat_qcq()
Sets the logical state to ETATQCQ (ordinary state).
Definition: tbl.C:361
int type_p
Type of sampling in (SYM,NONSYM)
Definition: grilles.h:203
double * t
The array of double.
Definition: tbl.h:173
double * tet
Array of values of at the nt collocation points.
Definition: grilles.h:211
const int np
Number of points in .
Definition: grilles.h:198
int base_r
Type of radial spectral basis (BASE_CHEB, BASE_LEG, BASE_JAC02 )
Definition: grilles.h:205
int type_r
Type of sampling in r ( ) (RARE,FIN,UNSURR )
Definition: grilles.h:201
Cmp sin(const Cmp &)
Sine.
Definition: cmp_math.C:69
Basic array class.
Definition: tbl.h:161
Grille3d(int n_r, int n_t, int n_p, int typer, int typet, int typep, int baser)
Constructor.
Definition: grille3d.C:122
const int nt
Number of points in .
Definition: grilles.h:197