/usr/include/deal.II/fe/fe_poly_face.templates.h is in libdeal.ii-dev 8.4.2-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Copyright (C) 2009 - 2016 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------
#include <deal.II/base/qprojector.h>
#include <deal.II/base/polynomial_space.h>
#include <deal.II/fe/fe_values.h>
#include <deal.II/fe/fe_poly_face.h>
DEAL_II_NAMESPACE_OPEN
template <class PolynomialType, int dim, int spacedim>
FE_PolyFace<PolynomialType,dim,spacedim>::FE_PolyFace (
const PolynomialType &poly_space,
const FiniteElementData<dim> &fe_data,
const std::vector<bool> &restriction_is_additive_flags):
FiniteElement<dim,spacedim> (fe_data,
restriction_is_additive_flags,
std::vector<ComponentMask> (1, ComponentMask(1,true))),
poly_space(poly_space)
{
AssertDimension(dim, PolynomialType::dimension+1);
}
template <class PolynomialType, int dim, int spacedim>
unsigned int
FE_PolyFace<PolynomialType,dim,spacedim>::get_degree () const
{
return this->degree;
}
//---------------------------------------------------------------------------
// Auxiliary functions
//---------------------------------------------------------------------------
template <class PolynomialType, int dim, int spacedim>
UpdateFlags
FE_PolyFace<PolynomialType,dim,spacedim>::requires_update_flags (const UpdateFlags flags) const
{
UpdateFlags out = flags & update_values;
if (flags & update_gradients)
out |= update_gradients | update_covariant_transformation;
if (flags & update_hessians)
out |= update_hessians | update_covariant_transformation;
if (flags & update_cell_normal_vectors)
out |= update_cell_normal_vectors | update_JxW_values;
return out;
}
//---------------------------------------------------------------------------
// Fill data of FEValues
//---------------------------------------------------------------------------
template <class PolynomialType, int dim, int spacedim>
void
FE_PolyFace<PolynomialType,dim,spacedim>::
fill_fe_values (const typename Triangulation<dim,spacedim>::cell_iterator &,
const CellSimilarity::Similarity ,
const Quadrature<dim> &,
const Mapping<dim,spacedim> &,
const typename Mapping<dim,spacedim>::InternalDataBase &,
const dealii::internal::FEValues::MappingRelatedData<dim, spacedim> &,
const typename FiniteElement<dim,spacedim>::InternalDataBase &,
dealii::internal::FEValues::FiniteElementRelatedData<dim, spacedim> &) const
{
// Do nothing, since we do not have
// values in the interior
}
template <class PolynomialType, int dim, int spacedim>
void
FE_PolyFace<PolynomialType,dim,spacedim>::
fill_fe_face_values (const typename Triangulation<dim,spacedim>::cell_iterator &,
const unsigned int face_no,
const Quadrature<dim-1> &quadrature,
const Mapping<dim,spacedim> &,
const typename Mapping<dim,spacedim>::InternalDataBase &,
const dealii::internal::FEValues::MappingRelatedData<dim, spacedim> &,
const typename FiniteElement<dim,spacedim>::InternalDataBase &fe_internal,
dealii::internal::FEValues::FiniteElementRelatedData<dim, spacedim> &output_data) const
{
// convert data object to internal
// data for this class. fails with
// an exception if that is not
// possible
Assert (dynamic_cast<const InternalData *> (&fe_internal) != 0, ExcInternalError());
const InternalData &fe_data = static_cast<const InternalData &> (fe_internal);
if (fe_data.update_each & update_values)
for (unsigned int i=0; i<quadrature.size(); ++i)
{
for (unsigned int k=0; k<this->dofs_per_cell; ++k)
output_data.shape_values(k,i) = 0.;
switch (dim)
{
case 3:
{
// Fill data for quad shape functions
if (this->dofs_per_quad !=0)
{
const unsigned int foffset = this->first_quad_index + this->dofs_per_quad * face_no;
for (unsigned int k=0; k<this->dofs_per_quad; ++k)
output_data.shape_values(foffset+k,i) = fe_data.shape_values[k+this->first_face_quad_index][i];
}
// fall through...
}
case 2:
{
// Fill data for line shape functions
if (this->dofs_per_line != 0)
{
const unsigned int foffset = this->first_line_index;
for (unsigned int line=0; line<GeometryInfo<dim>::lines_per_face; ++line)
{
for (unsigned int k=0; k<this->dofs_per_line; ++k)
output_data.shape_values(foffset+GeometryInfo<dim>::face_to_cell_lines(face_no, line)*this->dofs_per_line+k,i)
= fe_data.shape_values[k+(line*this->dofs_per_line)+this->first_face_line_index][i];
}
}
// fall through...
}
case 1:
{
// Fill data for vertex shape functions
if (this->dofs_per_vertex != 0)
for (unsigned int lvertex=0; lvertex<GeometryInfo<dim>::vertices_per_face; ++lvertex)
output_data.shape_values(GeometryInfo<dim>::face_to_cell_vertices(face_no, lvertex),i)
= fe_data.shape_values[lvertex][i];
break;
}
}
}
}
template <class PolynomialType, int dim, int spacedim>
void
FE_PolyFace<PolynomialType,dim,spacedim>::
fill_fe_subface_values (const typename Triangulation<dim,spacedim>::cell_iterator &,
const unsigned int face_no,
const unsigned int sub_no,
const Quadrature<dim-1> &quadrature,
const Mapping<dim,spacedim> &,
const typename Mapping<dim,spacedim>::InternalDataBase &,
const dealii::internal::FEValues::MappingRelatedData<dim, spacedim> &,
const typename FiniteElement<dim,spacedim>::InternalDataBase &fe_internal,
dealii::internal::FEValues::FiniteElementRelatedData<dim, spacedim> &output_data) const
{
// convert data object to internal
// data for this class. fails with
// an exception if that is not
// possible
Assert (dynamic_cast<const InternalData *> (&fe_internal) != 0, ExcInternalError());
const InternalData &fe_data = static_cast<const InternalData &> (fe_internal);
const unsigned int foffset = fe_data.shape_values.size() * face_no;
const unsigned int offset = sub_no*quadrature.size();
if (fe_data.update_each & update_values)
{
for (unsigned int k=0; k<this->dofs_per_cell; ++k)
for (unsigned int i=0; i<quadrature.size(); ++i)
output_data.shape_values(k,i) = 0.;
for (unsigned int k=0; k<fe_data.shape_values.size(); ++k)
for (unsigned int i=0; i<quadrature.size(); ++i)
output_data.shape_values(foffset+k,i) = fe_data.shape_values[k][i+offset];
}
Assert (!(fe_data.update_each & update_gradients), ExcNotImplemented());
Assert (!(fe_data.update_each & update_hessians), ExcNotImplemented());
}
DEAL_II_NAMESPACE_CLOSE
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