File size: 2,803 Bytes
5a600cf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2016-2021 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/>.
Class
Foam::Identity
Description
Templated identity and dual space identity tensors derived from
SphericalTensor.
\*---------------------------------------------------------------------------*/
#ifndef Identity_H
#define Identity_H
#include "SphericalTensor.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class Identity Declaration
\*---------------------------------------------------------------------------*/
template<class Cmpt>
class Identity
:
public SphericalTensor<Cmpt>
{
public:
//- Construct initialising the SphericalTensor to 1
Identity()
:
SphericalTensor<Cmpt>(1)
{}
//- The identity type in the dual space
class dual
:
public SphericalTensor<Cmpt>
{
//- Construct initialising the SphericalTensor to 1
dual()
:
SphericalTensor<Cmpt>(1)
{}
};
//- Return the identity in the dual space
inline dual operator*()
{
return dual();
}
//- Return 1 for label
inline explicit operator label() const
{
return 1;
}
//- Return 1 for scalar
inline explicit operator scalar() const
{
return 1;
}
};
// Global Identity tensor
static const Identity<scalar> I;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
|