Line data Source code
1 : /*
2 : * Copyright (c) 2013-2015: G-CSC, Goethe University Frankfurt
3 : * Authors: Ivo Muha, Andreas Vogel
4 : *
5 : * This file is part of UG4.
6 : *
7 : * UG4 is free software: you can redistribute it and/or modify it under the
8 : * terms of the GNU Lesser General Public License version 3 (as published by the
9 : * Free Software Foundation) with the following additional attribution
10 : * requirements (according to LGPL/GPL v3 §7):
11 : *
12 : * (1) The following notice must be displayed in the Appropriate Legal Notices
13 : * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14 : *
15 : * (2) The following notice must be displayed at a prominent place in the
16 : * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17 : *
18 : * (3) The following bibliography is recommended for citation and must be
19 : * preserved in all covered files:
20 : * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21 : * parallel geometric multigrid solver on hierarchically distributed grids.
22 : * Computing and visualization in science 16, 4 (2013), 151-164"
23 : * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24 : * flexible software system for simulating pde based models on high performance
25 : * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26 : *
27 : * This program is distributed in the hope that it will be useful,
28 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 : * GNU Lesser General Public License for more details.
31 : */
32 :
33 : /*
34 : * andreasvogel used scale_add_linker ass template
35 : */
36 :
37 : #ifndef __H__UG__LIB_DISC__SPATIAL_DISC__INVERSE_LINKER__
38 : #define __H__UG__LIB_DISC__SPATIAL_DISC__INVERSE_LINKER__
39 :
40 : #include "linker.h"
41 :
42 : namespace ug{
43 :
44 :
45 : ////////////////////////////////////////////////////////////////////////////////
46 : // Scaled adding of Data
47 : ////////////////////////////////////////////////////////////////////////////////
48 :
49 : /**
50 : * This linker recombines the data like
51 : *
52 : * l = a / b
53 : *
54 : * \tparam dim world dimension
55 : * \tparam TDataScale type of scaling data
56 : */
57 : template <int dim>
58 : class InverseLinker
59 : : public StdDataLinker<InverseLinker<dim>, number, dim>
60 : {
61 : public:
62 : // type of base class
63 : typedef StdDataLinker<InverseLinker<dim>, number, dim> base_type;
64 :
65 : public:
66 : /// constructor
67 0 : InverseLinker() {}
68 :
69 : /// constructor
70 : InverseLinker(const InverseLinker& linker);
71 :
72 : void divide(SmartPtr<CplUserData<number, dim> > dividend,
73 : SmartPtr<CplUserData<number, dim> > divisor);
74 : void divide(number dividend,
75 : SmartPtr<CplUserData<number, dim> > divisor);
76 : void divide(SmartPtr<CplUserData<number, dim> > dividend,
77 : number divisor);
78 : void divide(number dividend,
79 : number divisor);
80 :
81 : inline void evaluate (number& value,
82 : const MathVector<dim>& globIP,
83 : number time, int si) const;
84 :
85 : template <int refDim>
86 : inline void evaluate(number vValue[],
87 : const MathVector<dim> vGlobIP[],
88 : number time, int si,
89 : GridObject* elem,
90 : const MathVector<dim> vCornerCoords[],
91 : const MathVector<refDim> vLocIP[],
92 : const size_t nip,
93 : LocalVector* u,
94 : const MathMatrix<refDim, dim>* vJT = NULL) const;
95 :
96 : template <int refDim>
97 : void eval_and_deriv(number vValue[],
98 : const MathVector<dim> vGlobIP[],
99 : number time, int si,
100 : GridObject* elem,
101 : const MathVector<dim> vCornerCoords[],
102 : const MathVector<refDim> vLocIP[],
103 : const size_t nip,
104 : LocalVector* u,
105 : bool bDeriv,
106 : int s,
107 : std::vector<std::vector<number> > vvvDeriv[],
108 : const MathMatrix<refDim, dim>* vJT = NULL) const;
109 :
110 : protected:
111 : /// divisor at ip of input
112 : const number& divisor_value(size_t i, size_t s, size_t ip) const
113 : {
114 : UG_ASSERT(i < m_vpDivisorData.size(), "Input not needed");
115 : UG_ASSERT(m_vpDivisorData[i].valid(), "Input invalid");
116 : return m_vpDivisorData[i]->value(this->series_id(2*i,s), ip);
117 : }
118 :
119 : /// divisor of data at input at ip
120 : const number& divisor_deriv(size_t i, size_t s, size_t ip, size_t fct, size_t dof) const
121 : {
122 : UG_ASSERT(i < m_vpDependData.size(), "Input not needed");
123 : UG_ASSERT(m_vpDependData[i].valid(), "Input invalid");
124 : return m_vpDependData[i]->deriv(this->series_id(2*i,s), ip, fct, dof);
125 : }
126 :
127 : /// dividend at ip of input
128 : const number& dividend_value(size_t i, size_t s, size_t ip) const
129 : {
130 : UG_ASSERT(i < m_vpDividendData.size(), "Input not needed");
131 : UG_ASSERT(m_vpDividendData[i].valid(), "Input invalid");
132 : return m_vpDividendData[i]->value(this->series_id(2*i+1,s), ip);
133 : }
134 :
135 : /// derivative of dividend at input at ip
136 0 : const number& dividend_deriv(size_t i, size_t s, size_t ip, size_t fct, size_t dof) const
137 : {
138 : UG_ASSERT(i < m_vpDividendDependData.size(), "Input not needed");
139 : UG_ASSERT(m_vpDividendDependData[i].valid(), "Input invalid");
140 0 : return m_vpDividendDependData[i]->deriv(this->series_id(2*i+1,s), ip, fct, dof);
141 : }
142 :
143 : /// returns number of functions the divisor depends on
144 : size_t divisor_num_fct(size_t i) const {return base_type::input_num_fct(2*i);}
145 :
146 : /// returns the number in the common FctGrp for a fct of an divisor
147 : size_t divisor_common_fct(size_t i, size_t fct) const {return base_type::input_common_fct(2*i, fct);}
148 :
149 : /// returns number of functions the dividend depends on
150 : size_t dividend_num_fct(size_t i) const {return base_type::input_num_fct(2*i+1);}
151 :
152 : /// returns the number in the common FctGrp for a fct of a dividend
153 : size_t dividend_common_fct(size_t i, size_t fct) const {return base_type::input_common_fct(2*i+1, fct);}
154 :
155 : protected:
156 : /// data Dividend
157 : std::vector<SmartPtr<CplUserData<number, dim> > > m_vpDividendData;
158 :
159 : /// data Dividend casted to dependend data
160 : std::vector<SmartPtr<DependentUserData<number, dim> > > m_vpDividendDependData;
161 :
162 : /// data Divisor
163 : std::vector<SmartPtr<CplUserData<number, dim> > > m_vpDivisorData;
164 :
165 : /// data Divisor casted to dependend data
166 : std::vector<SmartPtr<DependentUserData<number, dim> > > m_vpDependData;
167 : };
168 :
169 : } // end namespace ug
170 :
171 : #include "inverse_linker_impl.h"
172 :
173 : #endif /* __H__UG__LIB_DISC__SPATIAL_DISC__INVERSE_LINKER__ */
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