/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2016 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM 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 General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Function
    Foam::CMC::AMC

Description

SourceFiles
    AMC.C

\*---------------------------------------------------------------------------*/

#ifndef AMC_H
#define AMC_H

#include "tmp.H"
#include "scalarField.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace CMC
{

/*---------------------------------------------------------------------------*\
                         Function AMC Declaration
\*---------------------------------------------------------------------------*/

    const scalar pi = 3.141592;

    const scalar spi = Foam::sqrt(pi);

    //Amplitude Mapping Closure (from KIVA)
    tmp<scalarField> AMC(const scalarField& eta);


    //Amplitude Mapping Closure (from KIVA)
    //Define exp(-2*(erf^-1(2*eta - 1))^2)
    inline scalar AMC(const scalar eta);

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace CMC
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //