/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    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.

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    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/>.

InNamespace
    Foam

Description
    Unit conversion functions

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

#ifndef unitConversion_H
#define unitConversion_H

#include "mathematicalConstants.H"

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

namespace Foam
{

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

//- Conversion from degrees to radians
inline scalar degToRad(const scalar deg)
{
    return (deg*constant::mathematical::pi/180.0);
}

//- Conversion from radians to degrees
inline scalar radToDeg(const scalar rad)
{
    return (rad*180.0/constant::mathematical::pi);
}

//- Conversion from atm to Pa
inline scalar atmToPa(const scalar atm)
{
    return (atm*101325.0);
}

//- Conversion from atm to Pa
inline scalar paToAtm(const scalar pa)
{
    return (pa/101325.0);
}

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

} // End namespace Foam

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

#endif

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