OpenFOAM-5.x/src/OpenFOAM/primitives/Barycentric2D/barycentric2D/barycentric2D.C
Will Bainbridge 14cc288672 tetrahedron: triangle: Improved barycentric handling on tets and tris
Updated the tetrahedron and triangle classes to use the barycentric
primitives. Removed duplicate code for generating random positions in
tets and tris, and fixed bug in tri random position.
2017-07-05 14:37:53 +01:00

75 lines
2.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2017 OpenFOAM Foundation
\\/ M anipulation |
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License
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under the terms of the GNU General Public License as published by
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\*---------------------------------------------------------------------------*/
#include "barycentric2D.H"
#include "Random.H"
#include "cachedRandom.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Foam::barycentric2D barycentric2D01
(
Foam::scalar s,
Foam::scalar t
)
{
// Transform the random point in the unit square to a random point in the
// unit tri by reflecting across the diagonal
if (s + t > 1)
{
s = 1 - s;
t = 1 - t;
}
return Foam::barycentric2D(1 - s - t, s, t);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Foam::barycentric2D Foam::barycentric2D01(Random& rndGen)
{
return
::barycentric2D01
(
rndGen.scalar01(),
rndGen.scalar01()
);
}
Foam::barycentric2D Foam::barycentric2D01(cachedRandom& rndGen)
{
return
::barycentric2D01
(
rndGen.sample01<scalar>(),
rndGen.sample01<scalar>()
);
}
// ************************************************************************* //