patches.h

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// ------------------------------------------------------------------------
//
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2011 - 2024 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Part of the source code is dual licensed under Apache-2.0 WITH
// LLVM-exception OR LGPL-2.1-or-later. Detailed license information
// governing the source code and code contributions can be found in
// LICENSE.md and CONTRIBUTING.md at the top level directory of deal.II.
//
// ------------------------------------------------------------------------
 
#ifndef dealii_integrators_patches_h
#define dealii_integrators_patches_h
 
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/exceptions.h>
#include <deal.II/base/quadrature.h>
 
#include <deal.II/fe/fe_values.h>
#include <deal.II/fe/mapping.h>
 
#include <deal.II/meshworker/dof_info.h>
 
DEAL_II_NAMESPACE_OPEN
 
namespace LocalIntegrators
{
  namespace Patches
  {
    template <int dim>
    DEAL_II_DEPRECATED_EARLY inline void
    points_and_values(Table<2, double>                           &result,
                      const FEValuesBase<dim>                    &fe,
                      const ArrayView<const std::vector<double>> &input)
    {
      const unsigned int n_comp = fe.get_fe().n_components();
      AssertVectorVectorDimension(input, n_comp, fe.n_quadrature_points);
      AssertDimension(result.n_rows(), fe.n_quadrature_points);
      AssertDimension(result.n_cols(), n_comp + dim);
 
      for (unsigned int k = 0; k < fe.n_quadrature_points; ++k)
        {
          for (unsigned int d = 0; d < dim; ++d)
            result(k, d) = fe.quadrature_point(k)[d];
          for (unsigned int i = 0; i < n_comp; ++i)
            result(k, dim + i) = input[i][k];
        }
    }
  } // namespace Patches
} // namespace LocalIntegrators
 
DEAL_II_NAMESPACE_CLOSE
 
#endif