00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 \*---------------------------------------------------------------------------*/ 00025 00026 #include <OpenFOAM/zero.H> 00027 00028 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00029 00030 namespace Foam 00031 { 00032 00033 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00034 00035 template<class Type> 00036 inline const Type& operator+(const Type& t, const zero&) 00037 { 00038 return t; 00039 } 00040 00041 template<class Type> 00042 inline const Type& operator+(const zero&, const Type& t) 00043 { 00044 return t; 00045 } 00046 00047 template<class Type> 00048 inline const Type& operator-(const Type& t, const zero&) 00049 { 00050 return t; 00051 } 00052 00053 template<class Type> 00054 inline Type operator-(const zero&, const Type& t) 00055 { 00056 return -t; 00057 } 00058 00059 template<class Type> 00060 inline zero operator*(const Type& t, const zero&) 00061 { 00062 return zero(); 00063 } 00064 00065 template<class Type> 00066 inline zero operator*(const zero&, const Type& t) 00067 { 00068 return zero(); 00069 } 00070 00071 template<class Type> 00072 inline zero operator/(const zero&, const Type& t) 00073 { 00074 return zero(); 00075 } 00076 00077 00078 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00079 00080 } // End namespace Foam 00081 00082 // ************************ vim: set sw=4 sts=4 et: ************************ //
