| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2024 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/>. | |
| Typedef | |
| Foam::label | |
| Description | |
| A label is an int32_t or int64_t as specified by the pre-processor macro | |
| WM_LABEL_SIZE. | |
| A readLabel function is defined so that label can be constructed from | |
| Istream. | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| typedef INT_SIZE(int, _t) label; | |
| static const label labelMin = INT_SIZE(INT, _MIN); | |
| static const label labelMax = INT_SIZE(INT, _MAX); | |
| inline label readLabel(Istream& is) | |
| { | |
| return INT_SIZE(readInt,) (is); | |
| } | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| //- Raise one label to the power of another | |
| label pow(label a, label b); | |
| //- Return n! : 0 < n <= 12 | |
| label factorial(label n); | |
| //- Return the log base 2 by successive bit-shifting of the given label | |
| inline label log2(label i) | |
| { | |
| label log2i = 0; | |
| while (i >>= 1) log2i++; | |
| return log2i; | |
| } | |
| inline label& setComponent(label& l, const direction) | |
| { | |
| return l; | |
| } | |
| inline label component(const label l, const direction) | |
| { | |
| return l; | |
| } | |
| inline label cmptMax(const label l) | |
| { | |
| return l; | |
| } | |
| inline label cmptMin(const label l) | |
| { | |
| return l; | |
| } | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |