| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / 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 | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| 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 | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |