dune-pdelab 2.7-git
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localfunction.hh
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1//-*- tab-width: 4; c-basic-offset: 2; indent-tabs-mode: nil -*-
2#ifndef DUNE_PDELAB_FUNCTION_LOCALFUNCTION_HH
3#define DUNE_PDELAB_FUNCTION_LOCALFUNCTION_HH
4
5#include <array>
6#include <type_traits>
7
11#include <dune/functions/common/signature.hh>
12#include <dune/functions/gridfunctions/gridviewfunction.hh>
13
14namespace Dune {
15namespace PDELab {
16
17 template<class F, std::size_t k>
19 : public TypeTree::PowerNode<F,k>
20 {
21 typedef TypeTree::PowerNode<F,k> NodeType;
22 public:
24
26 template <typename TT>
27 void setTime(TT time){
29 TypeTree::applyToTree(*this,visitor);
30 }
31
32 template <typename Entity>
33 void bind(const Entity & e){
34 Imp::PowerCompositeBindVisitor<Entity> visitor(e);
35 TypeTree::applyToTree(*this,visitor);
36 }
37
38 void unbind(){
39 Imp::PowerCompositeUnbindVisitor visitor;
40 TypeTree::applyToTree(*this,visitor);
41 }
42
46
49 : NodeType(f) {}
50
57 template<typename C0, typename C1, typename... Children>
58 PowerLocalFunction (C0&& c0, C1&& c1, Children&&... children)
59 : NodeType(std::forward(c0), std::forward(c1), std::forward(children)...)
60 {
61 }
62
64 PowerLocalFunction(const std::array<std::shared_ptr<F>,k>& children)
65 : NodeType(children)
66 {}
67
68 };
69
70 template<typename... Children>
72 : public TypeTree::CompositeNode<Children...>
73 {
74 typedef TypeTree::CompositeNode<Children...> NodeType;
75 public:
77
79 template <typename TT>
80 void setTime(TT time){
82 TypeTree::applyToTree(*this,visitor);
83 }
84
85 template <typename Entity>
86 void bind(const Entity & e){
87 Imp::PowerCompositeBindVisitor<Entity> visitor(e);
88 TypeTree::applyToTree(*this,visitor);
89 }
90
91 void unbind(){
92 Imp::PowerCompositeUnbindVisitor visitor;
93 TypeTree::applyToTree(*this,visitor);
94 }
95
99
101 template<typename... Args, typename = typename std::enable_if<(sizeof...(Args) == sizeof...(Children))>::type>
103 : NodeType(std::forward<Args>(args)...)
104 {}
105
106 };
107
119 template<class F, class GV,
120 typename std::enable_if<
121 // case (a)
122 models< Dune::Functions::Imp::HasFreeLocalFunction, F>()
123 and
124 not(TypeTree::has_node_tag<typename std::decay<F>::type>::value), int>::type = 0>
125 auto makeLocalFunctionTree(const F& f, const GV & gv)
126 -> Imp::LocalFunctionLeafNodeWrapper< decltype(localFunction(f)) >
127 {
128 return Imp::LocalFunctionLeafNodeWrapper< decltype(localFunction(f)) >(localFunction(f));
129 }
130
131 template<class F, class GV,
132 // case (b)
133 typename std::enable_if<
134 Dune::Functions::Concept::isCallable<F, typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()
135 and
136 not(models< Dune::Functions::Imp::HasFreeLocalFunction, F>())
137 and
138 not(TypeTree::has_node_tag<typename std::decay<F>::type>::value), int>::type = 0>
139 auto makeLocalFunctionTree(const F& f, const GV & gv)
140 -> decltype(makeLocalFunctionTree(Functions::makeGridViewFunction(f,gv), gv))
141 {
142 return makeLocalFunctionTree(Functions::makeGridViewFunction(f,gv), gv);
143 }
144
145 template<class F, class GV,
146 typename std::enable_if<
147 // case (c)
148 models< Dune::Functions::Imp::HasFreeLocalFunction, F>()
149 and
150 TypeTree::has_node_tag<typename std::decay<F>::type>::value, int>::type = 0>
151 auto makeLocalFunctionTree(F&& f, const GV & gv)
152 -> decltype(localView(f))
153 {
154 return localView(std::forward(f));
155 }
156
158
159 template<typename LeafNode>
160 Dune::TypeTree::GenericLeafNodeTransformation<LeafNode,GridFunctionToLocalViewTransformation, Imp::LocalGridViewFunctionAdapter<LeafNode> >
162
163 template<typename PowerNode>
164 Dune::TypeTree::SimplePowerNodeTransformation<PowerNode,GridFunctionToLocalViewTransformation,PowerLocalFunction>
166
167 template<typename CompositeNode>
168 Dune::TypeTree::SimpleCompositeNodeTransformation<CompositeNode,GridFunctionToLocalViewTransformation,CompositeLocalFunction>
170
171 template<class F, class GV,
172 typename std::enable_if<
173 // case (d)
174 IsGridFunction<F>::value, int>::type = 0>
175 auto makeLocalFunctionTree(const F& f, const GV & gv)
176 -> typename Dune::TypeTree::TransformTree<typename std::decay<F>::type,
178 {
179 // call the transformation
180 return Dune::TypeTree::TransformTree<typename std::decay<F>::type,
182 }
183
184 template<class F, class GV,
185 typename std::enable_if<
186 // case (e)
187 not(IsGridFunction<F>::value)
188 &&
189 std::is_same<TypeTree::NodeTag<F>,TypeTree::LeafNodeTag>::value, int>::type = 0>
191 -> Imp::LocalGridViewFunctionAdapter<F>
192 {
193 // call the transformation
194 return Imp::LocalGridViewFunctionAdapter<F>(static_cast<const F&>(f));
195 }
196
197} // end namespace PDELab
198} // end namespace Dune
199
200#endif // DUNE_PDELAB_FUNCTION_LOCALFUNCTION_HH
const P & p
Definition constraints.hh:148
STL namespace.
For backward compatibility – Do not use this!
Definition adaptivity.hh:28
std::integral_constant< bool, impl::IsGridFunction< std::decay_t< T > >::value > IsGridFunction
Definition typetraits.hh:45
auto makeLocalFunctionTree(const F &f, const GV &gv) -> Imp::LocalFunctionLeafNodeWrapper< decltype(localFunction(f)) >
turn a given function tree into a local function tree
Definition localfunction.hh:125
Dune::TypeTree::GenericLeafNodeTransformation< LeafNode, GridFunctionToLocalViewTransformation, Imp::LocalGridViewFunctionAdapter< LeafNode > > registerNodeTransformation(LeafNode *l, GridFunctionToLocalViewTransformation *t, GridFunctionTag *tag)
a GridFunction maps x in DomainType to y in RangeType
Definition function.hh:190
Definition function.hh:288
Visitor for Power- and CompositeGridFunctions calling the setTime() method on the leafs of the corres...
Definition function.hh:346
Definition function.hh:357
Definition function.hh:525
Definition localfunction.hh:20
PowerDifferentiableFunctionLocalViewTag ImplementationTag
Definition localfunction.hh:23
void unbind()
Definition localfunction.hh:38
PowerLocalFunction(const std::array< std::shared_ptr< F >, k > &children)
Transformation Constructor, taking the set of new children.
Definition localfunction.hh:64
PowerLocalFunction()
Default Constructor.
Definition localfunction.hh:44
void bind(const Entity &e)
Definition localfunction.hh:33
void setTime(TT time)
Set the time in all leaf nodes of this function tree.
Definition localfunction.hh:27
PowerLocalFunction(F &f)
Construct a PowerGridFunction with k clones of the function t.
Definition localfunction.hh:48
PowerLocalFunction(C0 &&c0, C1 &&c1, Children &&... children)
Initialize all children with different function objects.
Definition localfunction.hh:58
Definition localfunction.hh:73
CompositeLocalFunction()
Default Constructor.
Definition localfunction.hh:97
CompositeDifferentiableFunctionLocalViewTag ImplementationTag
Definition localfunction.hh:76
void setTime(TT time)
Set the time in all leaf nodes of this function tree.
Definition localfunction.hh:80
void unbind()
Definition localfunction.hh:91
void bind(const Entity &e)
Definition localfunction.hh:86
CompositeLocalFunction(Args &&... args)
Initialize all children with the passed-in objects.
Definition localfunction.hh:102
static const unsigned int value
Definition gridfunctionspace/tags.hh:139