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84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2009-2009 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Namespace
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Foam::constant::mathematical
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Description
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mathematical constants and conversion functions
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\*---------------------------------------------------------------------------*/
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#ifndef mathematicalConstants_H
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#define mathematicalConstants_H
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#include "scalar.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace constant
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{
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namespace mathematical
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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static word group = "mathematical";
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const scalar e(M_E);
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const scalar pi(M_PI);
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const scalar twoPi(2*pi);
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const scalar piByTwo(0.5*pi);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace mathematical
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} // End namespace constant
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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//- Conversion from degrees to radians
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inline scalar degToRad(const scalar& deg)
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{
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return (deg*constant::mathematical::pi/180.0);
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}
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//- Conversion from radians to degrees
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inline scalar radToDeg(const scalar& rad)
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{
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return (rad*180.0/constant::mathematical::pi);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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