NekMatrix.hpp

Go to the documentation of this file.

///////////////////////////////////////////////////////////////////////////////
//
// File: NekMatrix.hpp
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Generic Matrix
//
//
//
///////////////////////////////////////////////////////////////////////////////
 
#ifndef NEKTAR_LIB_UTILITIES_NEK_MATRIX_HPP
#define NEKTAR_LIB_UTILITIES_NEK_MATRIX_HPP
 
#include <LibUtilities/LinearAlgebra/BlockMatrix.hpp>
#include <LibUtilities/LinearAlgebra/MatrixBase.hpp>
#include <LibUtilities/LinearAlgebra/MatrixOperations.hpp>
#include <LibUtilities/LinearAlgebra/ScaledMatrix.hpp>
#include <LibUtilities/LinearAlgebra/StandardMatrix.hpp>
 
namespace Nektar
{
template <typename DataType, typename FormType>
std::ostream &operator<<(std::ostream &os,
                         const NekMatrix<DataType, FormType> &rhs)
{
    int oswidth     = 9;
    int osprecision = 6;
 
    for (unsigned int i = 0; i < rhs.GetRows(); ++i)
    {
        os << "[";
        for (unsigned int j = 0; j < rhs.GetColumns(); ++j)
        {
            os.width(oswidth);
            os.precision(osprecision);
            os << rhs(i, j);
            if (j != rhs.GetColumns() - 1)
            {
                os << ", ";
            }
        }
        os << "]";
        if (i != rhs.GetRows() - 1)
        {
            os << std::endl;
        }
    }
    return os;
}
 
template <typename DataType, typename FormType>
std::ostream &operator>>(std::ostream &os,
                         const NekMatrix<DataType, FormType> &rhs)
{
    NekDouble tol = 1e-12;
    os << "[" << std::endl;
 
    for (unsigned int i = 0; i < rhs.GetRows(); ++i)
    {
        for (unsigned int j = 0; j < rhs.GetColumns(); ++j)
        {
            if ((NekDouble)rhs(i, j) > tol)
            {
                os << '+';
            }
            else if ((NekDouble)rhs(i, j) < -tol)
            {
                os << '*';
            }
            else
            {
                os << '-';
            }
        }
        if (i != rhs.GetRows() - 1)
        {
            os << std::endl;
        }
    }
    os << "]" << std::endl;
    return os;
}
} // namespace Nektar
 
#endif // NEKTAR_LIB_UTILITIES_NEK_MATRIX_HPP