algebra_type.h

Go to the documentation of this file.

/*
 * Copyright (c) 2011-2015:  G-CSC, Goethe University Frankfurt
 * Author: Martin Rupp
 * 
 * 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_ALGEBRA__ALGEBRA_TYPE__
#define __H__UG__LIB_ALGEBRA__ALGEBRA_TYPE__
 
#include <ostream>
 
namespace ug{
 
 
//   Algebra Types
 
class AlgebraType
{
  public:
    enum Type
    {
      CPU = 0,
      GPU = 1
    };
 
    enum {VariableBlockSize = -1};
 
  public:
    AlgebraType();
 
    AlgebraType(Type type, int blockSize);
 
    AlgebraType(const char* type, int blockSize);
 
    AlgebraType(const char* type);
 
    int type() const {return m_type;}
 
    int blocksize() const {return m_blockSize;}
 
  protected:
    int m_type;
    int m_blockSize;
};
 
std::ostream& operator<<(std::ostream& out, const AlgebraType& v);
 
 
class DefaultAlgebra
{
  public:
    static AlgebraType get() {return m_default;}
    static void set(const AlgebraType& defaultType) {m_default = defaultType;}
 
  protected:
    static AlgebraType m_default;
};
 
// end group lib_algebra
 
} // end namespace ug
 
#endif /* __H__UG__LIB_ALGEBRA__ALGEBRA_TYPE__ */