quadrature.h

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/*
 * Copyright (c) 2010-2015:  G-CSC, Goethe University Frankfurt
 * Author: Andreas Vogel
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 */
 
#ifndef __H__UG__LIB_DISC__QUADRATURE__
#define __H__UG__LIB_DISC__QUADRATURE__
 
#include "common/common.h"
#include "common/math/ugmath.h"
 
namespace ug{
 
// Doxygen group
 
 
 
template <int TDim>
class QuadratureRule{
  public:
    static const int dim = TDim;
 
    typedef MathVector<dim> position_type;
 
    typedef number weight_type;
 
  public:
    QuadratureRule() :
      m_pvPoint(NULL), m_pvWeight(NULL),
      m_numPoints(0), m_order(0)
    {}
 
    virtual ~QuadratureRule() {}
 
    inline size_t size() const {return m_numPoints;}
 
    inline const MathVector<dim>& point(size_t i) const
    {
      UG_ASSERT(i < size(), "Wrong index");
      return m_pvPoint[i];
    }
 
    inline const MathVector<dim>* points() const {return m_pvPoint;}
 
    inline number weight(size_t i) const
    {
      UG_ASSERT(i < size(), "Wrong index");
      return m_pvWeight[i];
    }
 
    inline const number* weights() const  {return m_pvWeight;}
 
    inline size_t order() const {return m_order;}
 
  protected:
    const MathVector<dim>* m_pvPoint; 
    const number* m_pvWeight;       
    size_t m_numPoints;         
    int m_order;            
};
 
 
} // namespace ug
 
#endif /* __H__UG__LIB_DISC__QUADRATURE__ */