/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  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/>.

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

#include "Coulomb.H"
#include "Ion.H"
#include "Electron.H"

#include "error.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //


// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //


// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //


// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::Coulomb::Coulomb(const Ion& a, const Ion& b)
:
    eij_(abs(a.z()*b.z())*sqr(a.e)
            /(4.0*Foam::Ion::pi*Foam::Ion::eps0*Foam::Ion::k)),
    Wij_(inv(inv(a.W()) + inv(b.W())))
{
}


Foam::Coulomb::Coulomb(const Electron& a, const Ion& b)
:
    // a_(a),
    // b_(b),
    // eij_(abs(a_.z()*b_.z())*sqr(a_.e)/(4.0*a_.pi*a_.eps0*a_.k)),
    // Wij_(1.0/(1.0/a_.W() + 1.0/b_.W()))
    eij_(abs(a.z()*b.z())*sqr(a.e)
            /(4.0*Foam::Ion::pi*Foam::Ion::eps0*Foam::Ion::k)),
    Wij_(inv(inv(a.W()) + inv(b.W())))
{
}


Foam::Coulomb::Coulomb(const Electron& a, const Electron& b)
:
    // a_(a),
    // b_(b),
    // eij_(abs(a_.z()*b_.z())*sqr(a_.e)/(4.0*a_.pi*a_.eps0*a_.k)),
    // Wij_(1.0/(1.0/a_.W() + 1.0/b_.W()))
    eij_(abs(a.z()*b.z())*sqr(a.e)
            /(4.0*Foam::Ion::pi*Foam::Ion::eps0*Foam::Ion::k)),
    Wij_(inv(inv(a.W()) + inv(b.W())))
{
}

/*
*/


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::Coulomb::~Coulomb()
{}


// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //



// * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * * //

void Foam::Coulomb::operator=(const Coulomb& rhs)
{
    // Check for assignment to self
    if (this == &rhs)
    {
        FatalErrorInFunction
            << "Attempted assignment to self"
            << abort(FatalError);
    }
}

// * * * * * * * * * * * * * * Friend Functions  * * * * * * * * * * * * * * //


// * * * * * * * * * * * * * * Friend Operators * * * * * * * * * * * * * * //


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