Class GooseFEM::Mesh::Renumber#
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class Renumber#
Renumber indices to lowest possible index.
For example:
\( \begin{bmatrix} 0 & 1 \\ 5 & 4 \end{bmatrix} \)
is renumbered to
\( \begin{bmatrix} 0 & 1 \\ 3 & 2 \end{bmatrix} \)
Or, in pseudo-code, the result of this function is that:
dofs = renumber(dofs) sort(unique(dofs[:])) == range(max(dofs+1))
Note
One can use the wrapper function renumber(). This class gives more advanced features.
Public Functions
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template<class T>
inline T apply(const T &list) const# Apply renumbering to other set.
- Parameters
list – List of (DOF-)numbers.
- Returns
Renumbered list of (DOF-)numbers.
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inline const array_type::tensor<size_t, 1> &index() const#
Get the list needed to renumber, e.g.:
dofs_renumbered(i, j) = index(dofs(i, j))
- Returns
Renumber-index.
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template<class T>