/usr/include/deal.II/base/quadrature_selector.h is in libdeal.ii-dev 8.4.2-2+b1.
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//
// Copyright (C) 2003 - 2015 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.
//
// ---------------------------------------------------------------------
#ifndef dealii__quadrature_selector_h
#define dealii__quadrature_selector_h
#include <deal.II/base/quadrature.h>
#include <deal.II/base/exceptions.h>
#include <string>
DEAL_II_NAMESPACE_OPEN
/**
* This class implements the quadrature rule passed to its constructor as a
* string. Supported quadratures are QGauss (of all orders), QMidpoint,
* QMilne, QSimpson, QTrapez and QWeddle.
*
* This class is useful if you want to use flexible quadrature rules, that are
* read from a parameter file (see ParameterHandler for this).
*
* @ingroup Quadrature
* @author Ralf Schulz, 2003
*/
template<int dim>
class QuadratureSelector : public Quadrature<dim>
{
public:
/**
* Constructor. Takes the name of the quadrature rule (one of "gauss",
* "milne", "weddle", etc) and, if it is "gauss", the number of quadrature
* points in each coordinate direction.
*/
QuadratureSelector (const std::string &s,
const unsigned int order=0);
/**
* This function returns all possible names for quadratures as a list
* separated by <tt>|</tt>, so that you can use it for the definition of
* parameter files (see ParameterHandler for details).
*/
static std::string get_quadrature_names();
/**
* @addtogroup Exceptions
* @{
*/
/**
* Exception
*/
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.");
/**
* Exception
*/
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.");
/**
* Exception
*/
DeclException1 (ExcInvalidQuadrature,
std::string,
<< arg1
<< " is not a valid name for a quadrature rule.");
//@}
private:
/**
* This static function creates a quadrature object according to the name
* given as a string, and the appropriate order (if the name is "gauss"). It
* is called from the constructor.
*/
static
Quadrature<dim>
create_quadrature (const std::string &s,
const unsigned int order);
};
DEAL_II_NAMESPACE_CLOSE
#endif
|