KADATH
domain_oned_ori_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 "oned.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 basex = (*so.get_base().bases_1d[0])(0) ;
32  switch (basex) {
33  case CHEB_EVEN:
34  res = nbr_coefs(0) ;
35  break ;
36  case LEG_EVEN:
37  res = nbr_coefs(0) ;
38  break ;
39  case CHEB_ODD:
40  res = nbr_coefs(0)-1 ;
41  break ;
42  case LEG_ODD:
43  res = nbr_coefs(0)-1 ;
44  break ;
45  default:
46  cerr << "Unknowbasis in Domain_oned_ori::nbr_unknowns_val_domain" << endl ;
47  abort() ;
48  }
49  return res ;
50 }
51 
52 int Domain_oned_ori::nbr_unknowns (const Tensor& tt, int dom) const {
53 
54  // Check right domain
55  assert (tt.get_space().get_domain(dom)==this) ;
56 
57  int res = 0 ;
58  int val = tt.get_valence() ;
59  switch (val) {
60  case 0 :
61  res += nbr_unknowns_val_domain (tt()(dom)) ;
62  break ;
63  default :
64  cerr << "Valence " << val << " not implemented in Domain_oned_ori::nbr_unknowns" << endl ;
65  break ;
66  }
67  return res ;
68 }}
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
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