Dune Core Modules (2.8.0)

nodeinterface.hh
1// -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=8 sw=2 sts=2:
3
4#ifndef DUNE_TYPETREE_NODEINTERFACE_HH
5#define DUNE_TYPETREE_NODEINTERFACE_HH
6
7#include <cstddef>
8#include <type_traits>
9
11
12namespace Dune {
13 namespace TypeTree {
14
33 {
35 static const bool isLeaf = implementationDefined;
36
38 static const bool isPower = implementationDefined;
39
42
44
48 static const std::size_t CHILDREN = implementationDefined;
49
51
57
59
63 };
64
66 template<typename Node>
68
70 template<typename T>
72
73
75 template<typename Node>
76 std::size_t degree(const Node& node)
77 {
78 return degree(&node,NodeTag<Node>());
79 }
80
81#ifndef DOXYGEN
82
84
90 template<typename Node, typename NodeTag>
91 std::size_t degree(const Node* node, NodeTag)
92 {
93 return node->degree();
94 }
95
96#endif // DOXYGEN
97
99
103 template<typename Node>
104 using StaticDegree = decltype(Node::degree());
105
107
108 } // namespace TypeTree
109} //namespace Dune
110
111#endif // DUNE_TYPETREE_NODEINTERFACE_HH
Documentation related stuff.
@ implementationDefined
Dummy integral value used for documentation purposes.
Definition: documentation.hh:53
std::size_t degree(const Node &node)
Returns the degree of node as run time information.
Definition: nodeinterface.hh:76
typename std::decay_t< Node >::NodeTag NodeTag
Returns the node tag of the given Node.
Definition: nodeinterface.hh:67
typename std::decay_t< T >::ImplementationTag ImplementationTag
Returns the implementation tag of the given Node.
Definition: nodeinterface.hh:71
decltype(Node::degree()) StaticDegree
Returns the statically known degree of the given Node type as a std::integral_constant.
Definition: nodeinterface.hh:104
Dune namespace.
Definition: alignedallocator.hh:11
Dummy struct used for documentation purposes.
Definition: documentation.hh:40
Interface for nodes in a dune-typetree.
Definition: nodeinterface.hh:33
static const std::size_t CHILDREN
Number of children of this node in the dune-typetree.
Definition: nodeinterface.hh:48
static const bool isPower
Whether this is a power node in the dune-typetree.
Definition: nodeinterface.hh:38
static const bool isLeaf
Whether this is a leaf node in a dune-typetree.
Definition: nodeinterface.hh:35
ImplementationDefined NodeStorage
container type to pass around a collection of children
Definition: nodeinterface.hh:62
static const bool isComposite
Whether this is a composite node in the dune-typetree.
Definition: nodeinterface.hh:41
ImplementationDefined NodeTag
The type tag that describes what kind of node this is.
Definition: nodeinterface.hh:56
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