KADATH
domain_spheric_periodic_compact_nbr_unknowns.cpp
1 /*
2  Copyright 2017 Philippe Grandclement
3 
4  This file is part of Kadath.
5 
6  Kadath is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  Kadath is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with Kadath. If not, see <http://www.gnu.org/licenses/>.
18 */
19 
20 #include "headcpp.hpp"
21 #include "spheric_periodic.hpp"
22 #include "array_math.hpp"
23 #include "scalar.hpp"
24 #include "tensor_impl.hpp"
25 #include "tensor.hpp"
26 
27 namespace Kadath {
29 
30  int res = 0 ;
31  int baset = (*so.get_base().bases_1d[1])(0) ;
32  Index pos (nbr_coefs) ;
33  do {
34  bool indic = true ;
35  switch (baset) {
36  case COS_EVEN:
37  break ;
38  case COS_ODD:
39  if (pos(1)==nbr_coefs(1)-1)
40  indic = false ;
41  break ;
42  case SIN_ODD:
43  if (pos(1)==nbr_coefs(1)-1)
44  indic = false ;
45  break ;
46  case SIN_EVEN:
47  if ((pos(1)==0) || (pos(1)==nbr_coefs(1)-1))
48  indic = false ;
49  break ;
50  case COS:
51  break ;
52  default:
53  cerr << "Unknow time basis in Domain_spheric_periodic_compact::nbr_unknowns_val_domain" << endl ;
54  abort() ;
55  }
56  if (indic)
57  res ++ ;
58  }
59  while (pos.inc()) ;
60 
61  return res ;
62 }
63 
64 int Domain_spheric_periodic_compact::nbr_unknowns (const Tensor& tt, int dom) const {
65 
66  // Check right domain
67  assert (tt.get_space().get_domain(dom)==this) ;
68 
69  int res = 0 ;
70  int val = tt.get_valence() ;
71  switch (val) {
72  case 0 :
73  res += nbr_unknowns_val_domain (tt()(dom)) ;
74  break ;
75  default :
76  cerr << "Valence " << val << " not implemented in Domain_spheric_periodic_compact::nbr_unknowns" << endl ;
77  break ;
78  }
79  return res ;
80 }}
Bases_container bases_1d
Arrays containing the various basis of decomposition.
virtual int nbr_unknowns(const Tensor &, int) const
Computes the number of true unknowns of a Tensor, in a given domain.
int nbr_unknowns_val_domain(const Val_domain &so) const
Computes the number of true unknowns of a Val_domain.
Dim_array nbr_coefs
Number of coefficients.
Definition: space.hpp:66
Class that gives the position inside a multi-dimensional Array.
Definition: index.hpp:38
bool inc(int increm, int var=0)
Increments the position of the Index.
Definition: index.hpp:99
const Domain * get_domain(int i) const
returns a pointer on the domain.
Definition: space.hpp:1385
Tensor handling.
Definition: tensor.hpp:149
int get_valence() const
Returns the valence.
Definition: tensor.hpp:509
const Space & get_space() const
Returns the Space.
Definition: tensor.hpp:499
Class for storing the basis of decompositions of a field and its values on both the configuration and...
Definition: val_domain.hpp:69
const Base_spectral & get_base() const
Returns the basis of decomposition.
Definition: val_domain.hpp:122