FaradayConstant.h

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/* Copyright (C) 2002 - 2009, Bernd Speiser */

/* This file is part of PhysicalQuantities.

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 _FaradayConstant_h
#define _FaradayConstant_h

// Quantity includes
#include "Quantity/UniqueConstant.h"
#include "PhysicalQuantities/AmountOfSubstance.h"
#include "PhysicalQuantities/ElectricCharge.h"

namespace quantity {
  namespace faradayConstant {

class Class;

class Unit;

/* the CoulombPerMole and prefixed variants */

typedef LOKI_TYPELIST_2(electricCharge::Coulomb, 
                      electricCharge::MilliCoulomb) ElectricChargeList;

typedef unit::ComposeElement<Unit, 
   ElectricChargeList, BSUtilities::Rational<1> > ElectricChargeElement;

typedef LOKI_TYPELIST_2(amountOfSubstance::Mole, 
                   amountOfSubstance::MilliMole) AmountOfSubstanceList;

typedef unit::ComposeElement<Unit, 
  AmountOfSubstanceList, BSUtilities::Rational<-1> > 
                                               AmountOfSubstanceElement;

typedef 
  unit::ComposeBase<Unit, 
    LOKI_TYPELIST_2(ElectricChargeElement, AmountOfSubstanceElement)>
                                            FaradayConstantComposedUnit;

typedef unit::Composed<FaradayConstantComposedUnit, 
  LOKI_TYPELIST_2(electricCharge::Coulomb, 
                              amountOfSubstance::Mole)> CoulombPerMole;
typedef unit::Composed<FaradayConstantComposedUnit, 
  LOKI_TYPELIST_2(electricCharge::Coulomb, 
                    amountOfSubstance::MilliMole)> CoulombPerMilliMole;


typedef LOKI_TYPELIST_2(CoulombPerMole, CoulombPerMilliMole) Units;

/* FaradayConstant quantity */

typedef Quantity<Class> Quantity;

class DerivedFaradayConstant;

  } // end namespace faradayConstant


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

template<typename ST> const ST Standard<faradayConstant::FaradayConstantComposedUnit, ST>::ratio 
                                                                                       = 1.0;

template<typename ST> const bool Standard<faradayConstant::FaradayConstantComposedUnit, ST>::exact 
                                                                                       = true;

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

    typedef faradayConstant::DerivedFaradayConstant DefaultDerivedQuantityType;

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

  };

// the derived quantity traits template for coulomb per mole Faraday constant
template<>
  struct DerivedQuantityTraits<faradayConstant::Class, faradayConstant::DerivedFaradayConstant>
  {
    static const bool OverwriteName = false;
    static const bool OverwriteSymbol = false;

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

  };


typedef Loki::SingletonHolder<UniqueConstant
                         <faradayConstant::Quantity> > FaradayConstant;

#define FARADAYCONSTANT FaradayConstant::Instance()

} // end namespace quantity

#endif /* _FaradayConstant_h */

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