KADATH
domain_critic_inner_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 "critic.hpp"
22 #include "point.hpp"
23 #include "array_math.hpp"
24 #include "scalar.hpp"
25 #include "tensor_impl.hpp"
26 #include "tensor.hpp"
27 namespace Kadath {
29 
30  int res = 0 ;
31  Index pos (nbr_coefs) ;
32  do {
33  bool indic = true ;
34  int base_t = (*so.get_base().bases_1d[1])(0) ;
35 
36  assert ((base_t==COSSIN_EVEN) || (base_t==COSSIN_ODD)) ;
37  if (pos(1)==nbr_coefs(1)-1)
38  indic = false ;
39  if ((pos(1)==1) && (base_t==COSSIN_EVEN))
40  indic = false ;
41  if ((pos(1)==nbr_coefs(1)-2) && (base_t==COSSIN_ODD))
42  indic = false ;
43 
44  int base_r = (*so.get_base().bases_1d[0])(0) ;
45  bool even ;
46  switch (base_r) {
47  case CHEB_EVEN:
48  even = true ;
49  break ;
50  case LEG_EVEN:
51  even = true ;
52  break ;
53  case CHEB_ODD:
54  even = false ;
55  break ;
56  case LEG_ODD:
57  even = false ;
58  break ;
59  default:
60  cerr << "Uknown base in Domain_critic_inner::nbr_unknowns" << endl ;
61  abort() ;
62  }
63 
64  if ((!even) && (pos(0)==nbr_coefs(0)-1))
65  indic = false ;
66  if (indic)
67  res ++ ;
68  }
69  while (pos.inc()) ;
70  return res ;
71 }
72 
73 
74 int Domain_critic_inner::nbr_unknowns (const Tensor& tt, int dom) const {
75 
76  // Check right domain
77  assert (tt.get_space().get_domain(dom)==this) ;
78 
79  int res = 0 ;
80  int val = tt.get_valence() ;
81  switch (val) {
82  case 0 :
83  res += nbr_unknowns_val_domain (tt()(dom)) ;
84  break ;
85  default :
86  cerr << "Valence " << val << " not implemented in Domain_critic_inner::nbr_unknowns" << endl ;
87  break ;
88  }
89  return res ;
90 }}
Bases_container bases_1d
Arrays containing the various basis of decomposition.
int nbr_unknowns_val_domain(const Val_domain &so) const
Computes the number of true unknowns of a Val_domain.
virtual int nbr_unknowns(const Tensor &, int) const
Computes the number of true unknowns of a Tensor, in a given 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