Beispiel #1
0
//-----------------------------------------------------------------------------
Function::Function(const FunctionSpace& V, std::string filename)
  : Hierarchical<Function>(*this),
  _function_space(reference_to_no_delete_pointer(V)),
  _allow_extrapolation(dolfin::parameters["allow_extrapolation"])
{
  // Check that we don't have a subspace
  if (!V.component().empty())
  {
    dolfin_error("Function.cpp",
                 "create function",
                 "Cannot be created from subspace. Consider collapsing the function space");
  }

  // Initialize vector
  init_vector();

  // Check size of vector
  if (_vector->size() != _function_space->dim())
  {
    dolfin_error("Function.cpp",
                 "read function from file",
                 "The number of degrees of freedom (%d) does not match dimension of function space (%d)",
                 _vector->size(), _function_space->dim());
  }

  // Read function data from file
  File file(filename);
  file >> *this;
}
Beispiel #2
0
//-----------------------------------------------------------------------------
Function::Function(const FunctionSpace& V) : Hierarchical<Function>(*this),
  _function_space(reference_to_no_delete_pointer(V)),
  _allow_extrapolation(dolfin::parameters["allow_extrapolation"])
{
  // Check that we don't have a subspace
  if (!V.component().empty())
  {
    dolfin_error("Function.cpp",
                 "create function",
                 "Cannot be created from subspace. Consider collapsing the function space");
  }

  // Initialize vector
  init_vector();
}