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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2026 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/>.
Description
Unary and binary tensor functions and operators used by the expression
templating system
\*---------------------------------------------------------------------------*/
#ifndef tensorExpressions_H
#define tensorExpressions_H
#include "diagTensor.H"
#include "sphericalTensor.H"
#include "symmTensor.H"
#include "tensor.H"
#include "expressions.H"
#include "dimensionSet.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Unary tensor functions
UnaryOpFunction(tr)
UnaryOpFunction(sph)
UnaryOpFunction(det)
UnaryOpFunction(diag)
UnaryOpFunction(T)
UnaryOpFunction(inv)
UnaryOpFunction(symm)
UnaryOpFunction(twoSymm)
UnaryOpFunction(eigenValues)
UnaryOpFunction(eigenVectors)
UnaryOpFunction(innerSqr)
UnaryOpFunction(dev)
UnaryOpFunction(dev2)
UnaryOpFunction(cof)
UnaryOpFunction(skew)
/*---------------------------------------------------------------------------*\
Class hdualOp Declaration
\*---------------------------------------------------------------------------*/
struct hdualOp
{
static inline const char prefix = '*';
static inline const word::Null postfix;
static const signed char precedence = 2;
static vector value(const symmTensor& x)
{
return *x;
}
static vector value(const tensor& x)
{
return *x;
}
static tensor value(const vector& x)
{
return *x;
}
template<class Type>
static auto value(const Type& x)
{
return hdual(x);
}
};
// Unary Hodge dual function
UnaryOperator(*, hdual)
/*---------------------------------------------------------------------------*\
Class ddotOp Declaration
\*---------------------------------------------------------------------------*/
struct ddotOp
{
static inline const word::Null prefix;
static inline const char* infix = "&&";
static inline const word::Null postfix;
static const signed char precedence = 1;
static const bool associative = false;
template<class A, class B>
static auto value(const A& a, const B& b)
{
return a && b;
}
};
// Inner product (ddot) operator
BinaryOperator(&&, ddot);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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