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12 changes: 7 additions & 5 deletions docs/src/devdocs/interpolations.md
Original file line number Diff line number Diff line change
Expand Up @@ -11,21 +11,23 @@ parametrized by the reference element and its characteristic order.
Ferrite.getrefdim(::Interpolation)
Ferrite.getrefshape(::Interpolation)
Ferrite.getorder(::Interpolation)
Ferrite.shape_gradient(::Interpolation, ::Vec, ::Int)
Ferrite.shape_gradient_and_value
Ferrite.reference_shape_gradient(::Interpolation, ::Vec, ::Int)
Ferrite.reference_shape_gradient_and_value(::Interpolation, ::Vec, ::Int)
Ferrite.reference_shape_hessian_gradient_and_value(::Interpolation, ::Vec, ::Int)
Ferrite.boundarydof_indices
Ferrite.dirichlet_boundarydof_indices
Ferrite.reference_shape_values!
Ferrite.shape_gradients!
Ferrite.shape_gradients_and_values!
Ferrite.reference_shape_gradients!
Ferrite.reference_shape_gradients_and_values!
Ferrite.reference_shape_hessians_gradients_and_values!
```

### Required methods to implement for all subtypes of `Interpolation` to define a new finite element

Depending on the dimension of the reference element the following functions have to be implemented

```@docs
Ferrite.shape_value(::Interpolation, ::Vec, ::Int)
Ferrite.reference_shape_value(::Interpolation, ::Vec, ::Int)
Ferrite.vertexdof_indices(::Interpolation)
Ferrite.dirichlet_vertexdof_indices(::Interpolation)
Ferrite.facedof_indices(::Interpolation)
Expand Down