dense_vector_base.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; you can 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.

// This library 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.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_DENSE_VECTOR_BASE_H
#define LIBMESH_DENSE_VECTOR_BASE_H


// Local Includes
#include "libmesh/libmesh_common.h"

// C++ includes

namespace libMesh
{




// ------------------------------------------------------------
// DenseVectorBase class definition
template<typename T>
class DenseVectorBase
{
public:

  DenseVectorBase() {}

  virtual ~DenseVectorBase() {}

  virtual void zero() = 0;

  virtual T el(const unsigned int i) const = 0;

  virtual T & el(const unsigned int i) = 0;

  virtual unsigned int size() const = 0;

  virtual bool empty() const { return (this->size() == 0); }

  void print(std::ostream& os) const;

  friend std::ostream& operator << (std::ostream& os, const DenseVectorBase<T>& v)
  {
    v.print(os);
    return os;
  }

  void print_scientific(std::ostream& os) const;

};



// ------------------------------------------------------------
// DenseVectorBase member functions




} // namespace libMesh



#endif // LIBMESH_DENSE_VECTOR_BASE_H