mathematicalConstants.H

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    Copyright (C) 2017 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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Namespace
    Foam::constant::mathematical
 
Description
    Mathematical constants.
 
\*---------------------------------------------------------------------------*/
 
#ifndef mathematicalConstants_H
#define mathematicalConstants_H
 
#include "scalar.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace constant
{
namespace mathematical
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    //- Group name for mathematical constants
    constexpr const char* const group = "mathematical";
 
    constexpr scalar e(M_E);
    constexpr scalar pi(M_PI);
    constexpr scalar twoPi(2*M_PI);
    constexpr scalar piByTwo(0.5*M_PI);
 
    //- Euler's constant
    constexpr scalar Eu(0.57721566490153286060651209);
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace mathematical
} // End namespace constant
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //