ElectricCharge.h

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/* Copyright (C) 2002 - 2009, Bernd Speiser */
/* This file is part of Quantities.

PhysicalQuantities 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 2
of the License, or (at your option) any later version.

PhysicalQuantities 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/

#ifndef _ElectricCharge_h
#define _ElectricCharge_h

// Quantity includes
#include "Quantity/Variable.h"
#include "Quantity/Constant.h"
#include "Quantity/QuantityCluster.h"

namespace quantity {
  namespace electricCharge {

class Class;

class Unit;

/* declaration of ElectricCharge units */
class CoulombUnits;
class FranklinUnit;
class EmuUnit;
class ProtonChargeUnit;

typedef unit::Prefixable<Unit, CoulombUnits> Coulombs;

typedef unit::Prefixed<Coulombs> Coulomb;

typedef unit::Prefixed<Coulombs, unit::Milli> MilliCoulomb;

typedef unit::NonPrefixable<Unit, FranklinUnit> Franklin;

typedef unit::NonPrefixable<Unit, EmuUnit> Emu;

typedef unit::NonPrefixable<Unit, ProtonChargeUnit> ProtonCharge;

typedef Loki::TL::Append<Coulombs::Units,
            LOKI_TYPELIST_3(Franklin, Emu, ProtonCharge)>::Result Units;

/* declare some abbreviated ElectricCharge units */
typedef Coulomb C;

/* ElectricCharge quantity */

typedef Quantity<Class> Quantity;

class DerivedElectricCharge;

  } // end namespace electricCharge


  template<typename ST>
    struct Standard<electricCharge::Coulombs, ST>
    {
      static const ST ratio;
      static const bool exact;
    };

template<typename ST> const ST Standard<electricCharge::Coulombs, ST>::ratio = 1.0;

template<typename ST> const bool Standard<electricCharge::Coulombs, ST>::exact = true;


  template<typename ST>
    struct Standard<electricCharge::Franklin, ST>
    {
      static const ST ratio;
      static const bool exact;
    };

template<typename ST> const ST Standard<electricCharge::Franklin, ST>::ratio = 3.33564e-10;

template<typename ST> const bool Standard<electricCharge::Franklin, ST>::exact = false;


  template<typename ST>
    struct Standard<electricCharge::Emu, ST>
    {
      static const ST ratio;
      static const bool exact;
    };

template<typename ST> const ST Standard<electricCharge::Emu, ST>::ratio = 10.0;

template<typename ST> const bool Standard<electricCharge::Emu, ST>::exact = true;


  template<typename ST>
    struct Standard<electricCharge::ProtonCharge, ST>
    {
      static const ST ratio;
      static const bool exact;
    };

template<typename ST> const ST Standard<electricCharge::ProtonCharge, ST>::ratio = 1.60218e-19;

template<typename ST> const bool Standard<electricCharge::ProtonCharge, ST>::exact = false;

template<>
  struct QuantityTraits<electricCharge::Class>
  {
    typedef
      dimension::Dimension<BSUtilities::Rational<0>,
        BSUtilities::Rational<0>, BSUtilities::Rational<1>,
          BSUtilities::Rational<1>, BSUtilities::Rational<0>,
            BSUtilities::Rational<0>, BSUtilities::Rational<0> > Dimension;
    typedef electricCharge::Unit UnitType;
    typedef electricCharge::Units UnitList;
    typedef electricCharge::Coulomb DefaultUnit;

    typedef electricCharge::DerivedElectricCharge DefaultDerivedQuantityType;

    static const std::string NameString;
    static const std::string SymbolString;

  };

// the derived quantity traits template for Coulomb ElectricCharge
template<>
  struct DerivedQuantityTraits<electricCharge::Class, electricCharge::DerivedElectricCharge>
  {
    static const bool OverwriteName = false;
    static const bool OverwriteSymbol = false;

    static const std::string NameString;
    static const std::string SymbolString;

  };


typedef Variable<electricCharge::Quantity> ElectricCharge;

typedef Constant<electricCharge::Quantity> ElectricChargeConstant;

typedef QuantityVector<Variable, electricCharge::Quantity> 
                                                   ElectricChargeVector;

}

#endif /* _ElectricCharge_h */

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