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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 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 the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 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, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Global 00026 dimensionedConstants 00027 00028 Description 00029 Dictionary reading and supplying the dimensioned constants used within 00030 OpenFOAM particularly for thermodynamics. The values are read from the 00031 OpenFOAM controlDict and should be changed to run with a different set of 00032 units from the default SI units. 00033 00034 SourceFiles 00035 dimensionedConstants.C 00036 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #ifndef dimensionedConstants_H 00040 #define dimensionedConstants_H 00041 00042 #include "dictionary.H" 00043 00044 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00045 00046 namespace Foam 00047 { 00048 00049 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00050 00051 dictionary& dimensionedConstants(); 00052 00053 template<class T> 00054 T dimensionedConstant 00055 ( 00056 const char* switchName, 00057 const T defaultValue 00058 ) 00059 { 00060 if (dimensionedConstants().found(switchName)) 00061 { 00062 return pTraits<T>(dimensionedConstants().lookup(switchName)); 00063 } 00064 else 00065 { 00066 dimensionedConstants().add(switchName, defaultValue); 00067 return defaultValue; 00068 } 00069 } 00070 00071 00072 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00073 00074 } // End namespace Foam 00075 00076 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00077 00078 #endif 00079 00080 // ************************************************************************* //