OpenStructure: stage/include/ost/units.hh Source File

00001 //------------------------------------------------------------------------------
00002 // This file is part of the OpenStructure project <www.openstructure.org>
00003 //
00004 // Copyright (C) 2008-2011 by the OpenStructure authors
00005 //
00006 // This library is free software; you can redistribute it and/or modify it under
00007 // the terms of the GNU Lesser General Public License as published by the Free
00008 // Software Foundation; either version 3.0 of the License, or (at your option)
00009 // any later version.
00010 // This library is distributed in the hope that it will be useful, but WITHOUT
00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00012 // FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00013 // details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with this library; if not, write to the Free Software Foundation, Inc.,
00017 // 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00018 //------------------------------------------------------------------------------
00019 #ifndef OST_UNITS_HH
00020 #define OST_UNITS_HH
00021 
00022 #include <ost/module_config.hh>
00023 
00024 /*
00025   convenience struct for units
00026 
00027   Author: Ansgar Philippsen
00028 */
00029 
00030 namespace ost {
00031 
00043 #ifdef _MSC_VER
00044 namespace Units {
00045 const Real m=1.0e10;
00046 const Real cm=1.0e8;
00047 const Real mm=1.0e7;
00048 const Real um=1.0e4;
00049 const Real nm=1.0e1;
00050 const Real pm=1.0e-2;
00051 const Real A=1.0;
00052 
00053 const Real in=2.54e8;
00054 const Real ft=3.048e9;
00055 const Real yd=9.144e9;
00056 
00057 // standard angular unit is radians
00058 const Real deg=0.0174532925199;
00059 const Real rad=1.0;
00060 const Real mrad=1.0e-3;
00061 
00062 // energy units converted according to metric units
00063 const Real J=1.0e20;
00064 const Real eV=16.0217653;
00065 
00066 
00067 //  converted according to metric units
00068 const Real V=1.0e20;
00069 const Real kV=1.0e23;
00070 
00071 // time units
00072 const Real s=1.0;
00073 const Real min=60.0;
00074 const Real h=3600.0;
00075 
00076 //mass units
00077 const Real kg=1.0;
00078 const Real g=1.0e-3;
00079 const Real mg=1.0e-6;
00080 const Real kDa=1.6605655e-24;
00081 const Real Da=1.6605655e-27;
00082 
00083 //charge
00084 const Real C=1.0;
00085 
00086 } // Units
00087 
00088 #else
00089 
00090 struct DLLEXPORT_OST_BASE Units {
00091   static const Real m;
00092   static const Real cm;
00093   static const Real mm;
00094   static const Real um;
00095   static const Real nm;
00096   static const Real pm;
00097   static const Real A;
00098 
00099   static const Real in;
00100   static const Real ft;
00101   static const Real yd;
00102 
00103   static const Real deg;
00104   static const Real rad;
00105   static const Real mrad;
00106 
00107   static const Real J;
00108   static const Real eV;
00109 
00110   static const Real V;
00111   static const Real kV;
00112 
00113   static const Real s;
00114   static const Real min;
00115   static const Real h;
00116 
00117   static const Real kg;
00118   static const Real g;
00119   static const Real mg;
00120   static const Real kDa;
00121   static const Real Da;
00122 
00123   static const Real C;
00124 };
00125 
00126 #endif
00127 
00128 } // ns
00129 
00130 
00131 
00132 
00133 
00134 
00135 
00136 #endif // OST_UNITS_HH