///////////////////////////////////////////////////////////////////////////////
//
// File: InterpCoeff.h
//
// 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: Definition of interpolation routines for Coefficients
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_LIB_UTILTIES_FOUNDATIONS_INTERPCOEFF_H
#define NEKTAR_LIB_UTILTIES_FOUNDATIONS_INTERPCOEFF_H

#include <LibUtilities/BasicConst/NektarUnivTypeDefs.hpp>
#include <LibUtilities/Foundations/FoundationsFwd.hpp>
#include <LibUtilities/LibUtilitiesDeclspec.h>

namespace Nektar
{
template <typename Dim, typename DataType> class Array;
}

namespace Nektar::LibUtilities
{
// Coefficient Space Interpolation methods

// 1D Interpolation
LIB_UTILITIES_EXPORT void InterpCoeff1D(
    const BasisKey &fbasis0, const Array<OneD, const NekDouble> &from,
    const BasisKey &tbasis0, Array<OneD, NekDouble> &to);

// 2D Interpolation
LIB_UTILITIES_EXPORT void InterpCoeff2D(
    const BasisKey &fbasis0, const BasisKey &fbasis1,
    const Array<OneD, const NekDouble> &from, const BasisKey &tbasis0,
    const BasisKey &tbasis1, Array<OneD, NekDouble> &to);

LIB_UTILITIES_EXPORT void InterpCoeff2D(const BasisKey &fbasis0,
                                        const BasisKey &fbasis1,
                                        const NekDouble *from,
                                        const BasisKey &tbasis0,
                                        const BasisKey &tbasis1, NekDouble *to);

// 3D Interpolation
LIB_UTILITIES_EXPORT void InterpCoeff3D(
    const BasisKey &fbasis0, const BasisKey &fbasis1, const BasisKey &fbasis2,
    const Array<OneD, const NekDouble> &from, const BasisKey &tbasis0,
    const BasisKey &tbasis1, const BasisKey &tbasis2,
    Array<OneD, NekDouble> &to);

LIB_UTILITIES_EXPORT void InterpCoeff3D(
    const BasisKey &fbasis0, const BasisKey &fbasis1, const BasisKey &fbasis2,
    const NekDouble *from, const BasisKey &tbasis0, const BasisKey &tbasis1,
    const BasisKey &tbasis2, NekDouble *to);
} // namespace Nektar::LibUtilities

#endif
