quadrature_selector.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2003 - 2020 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.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------
 
 
#ifndef dealii_quadrature_selector_h
#define dealii_quadrature_selector_h
 
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/exceptions.h>
#include <deal.II/base/quadrature.h>
 
#include <string>
 
DEAL_II_NAMESPACE_OPEN
 
template <int dim>
class QuadratureSelector : public Quadrature<dim>
{
public:
  QuadratureSelector(const std::string &s, const unsigned int order = 0);
 
  static std::string
  get_quadrature_names();
 
  DeclException1(ExcInvalidQGaussOrder,
                 int,
                 << "You tried to generate a QGauss object with an invalid "
                 << "number " << arg1
                 << " of quadrature points in each coordinate "
                 << "direction. This number must be greater than or equal "
                 << "to 1.");
  DeclException2(ExcInvalidOrder,
                 std::string,
                 unsigned int,
                 << "You tried to generate a " << arg1
                 << " object; no order is needed for objects of this kind, but "
                 << arg2 << " was given as argument.");
  DeclException1(ExcInvalidQuadrature,
                 std::string,
                 << arg1 << " is not a valid name for a quadrature rule.");
private:
  static Quadrature<dim>
  create_quadrature(const std::string &s, const unsigned int order);
};
DEAL_II_NAMESPACE_CLOSE
 
#endif