def CellNormal(mesh: cpp.mesh.Mesh) -> ufl.CellNormal:
"""Return symbolic cell normal for given manifold mesh.
*Example of usage*
.. code-block:: python
mesh = UnitSquare(4,4)
n = CellNormal(mesh)
"""
return ufl.CellNormal(mesh.ufl_domain())
def CellNormal(mesh):
"""Return symbolic cell normal for given manifold mesh.
*Arguments*
mesh
a :py:class:`Mesh <dolfin.cpp.Mesh>`.
*Example of usage*
.. code-block:: python
mesh = UnitSquare(4,4)
n = CellNormal(mesh)
"""
return ufl.CellNormal(_mesh2domain(mesh))