def __init__(self,
V: functionspace.FunctionSpace,
x: typing.Optional[PETSc.Vec] = None,
name: typing.Optional[str] = None):
"""Initialize finite element Function."""
# Create cpp Function
if x is not None:
self._cpp_object = cpp.function.Function(V._cpp_object, x)
else:
self._cpp_object = cpp.function.Function(V._cpp_object)
# Initialize the ufl.FunctionSpace
super().__init__(V.ufl_function_space(), count=self._cpp_object.id)
# Set name
if name is None:
self.rename("f_{}".format(self.count()))
else:
self.rename(name)
# Store DOLFIN FunctionSpace object
self._V = V
def __init__(self, V: FunctionSpace, number: int, part: int = None):
"""Create a UFL/DOLFIN Argument"""
ufl.Argument.__init__(self, V.ufl_function_space(), number, part)
self._V = V