00001 00005 /* Copyright (C) 2002 - 2009, Bernd Speiser */ 00006 00007 /* This file is part of PhysicalQuantities. 00008 00009 PhysicalQuantities is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License 00011 as published by the Free Software Foundation; either version 2 00012 of the License, or (at your option) any later version. 00013 00014 PhysicalQuantities is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with this program; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 00022 02111-1307, USA. 00023 */ 00024 00025 #ifndef _Area_cc 00026 #define _Area_cc 00027 00028 // Quantity includes 00029 #include "Quantities/PhysicalQuantities/Area.h" 00030 00031 namespace quantity { 00032 namespace area { 00033 00034 /* definition of Area units */ 00035 /* the square metre, m^2 */ 00036 template<> const double SquareMetreUnit::StandardFactor = 1.0; 00037 00038 /* the Barn */ 00039 00040 template<> const std::string Barn::Namestring = "barn"; 00041 template<> const std::string Barn::Symbolstring = "b"; 00042 template<> const bool Barn::SI = false; 00043 template<> const bool Barn::Exact = true; 00044 template<> const double Barn::StandardFactor = 1.0e-28; 00045 00046 /* the Acre */ 00047 00048 template<> const std::string Acre::Namestring = "acre"; 00049 template<> const std::string Acre::Symbolstring = ""; 00050 template<> const bool Acre::SI = false; 00051 template<> const bool Acre::Exact = false; 00052 template<> const double Acre::StandardFactor = 4046.856; 00053 00054 /* the Are */ 00055 00056 template<> const std::string Are::Namestring = "are"; 00057 template<> const std::string Are::Symbolstring = "a"; 00058 template<> const bool Are::SI = false; 00059 template<> const bool Are::Exact = true; 00060 template<> const double Are::StandardFactor = 1.0e2; 00061 00062 /* the Hectare */ 00063 00064 template<> const std::string Hectare::Namestring = "hectare"; 00065 template<> const std::string Hectare::Symbolstring = "ha"; 00066 template<> const bool Hectare::SI = false; 00067 template<> const bool Hectare::Exact = true; 00068 template<> const double Hectare::StandardFactor = 1.0e4; 00069 00070 } 00071 00072 const std::string QuantityTraits<area::Class>::NameString (void) 00073 {return "area";} 00074 const std::string QuantityTraits<area::Class>::SymbolString (void) 00075 {return "A";} 00076 00077 } 00078 00079 #endif /* _Area_cc */