DiffusionCoefficient.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 _DiffusionCoefficient_h
#define _DiffusionCoefficient_h

// Quantity includes
#include "Quantity/Variable.h"
#include "Quantity/Constant.h"
#include "Quantity/QuantityCluster.h"
#include "PhysicalQuantities/Length.h"
#include "PhysicalQuantities/Time.h"

namespace quantity {
  namespace diffusionCoefficient {

class Class;

class Unit;

/* SquareMetrePerSecond and prefixed variants */

typedef LOKI_TYPELIST_3(length::Metre, length::CentiMetre,
                                        length::MilliMetre) LengthList;

typedef unit::ComposeElement<Unit, LengthList, 
                               BSUtilities::Rational<2> > LengthElement;

typedef LOKI_TYPELIST_3(time::Second, time::MilliSecond,
                                       time::MicroSecond) TimeList;

typedef unit::ComposeElement<Unit, TimeList, 
                                BSUtilities::Rational<-1> > TimeElement;

typedef unit::ComposeBase<Unit, 
  LOKI_TYPELIST_2(LengthElement, TimeElement)>
                                      DiffusionCoefficientComposedUnit;

typedef unit::Composed<DiffusionCoefficientComposedUnit, 
     LOKI_TYPELIST_2(length::Metre, time::Second)> SquareMetrePerSecond;

typedef unit::Composed<DiffusionCoefficientComposedUnit,
  LOKI_TYPELIST_2(length::CentiMetre, time::Second)> 
                                              SquareCentiMetrePerSecond;

typedef 
  LOKI_TYPELIST_2(SquareMetrePerSecond, SquareCentiMetrePerSecond) 
                                                                  Units;
/* DiffusionCoefficient quantity */

typedef Quantity<Class> Quantity;

class DerivedDiffusionCoefficient;

  } // end namespace diffusionCoefficient


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

template<typename ST> const ST 
     Standard<diffusionCoefficient::DiffusionCoefficientComposedUnit, ST>::ratio = 1.0;

template<typename ST> const bool 
     Standard<diffusionCoefficient::DiffusionCoefficientComposedUnit, ST>::exact = true;

template<>
  struct QuantityTraits<diffusionCoefficient::Class>
  {
    typedef
      dimension::Dimension<BSUtilities::Rational<2>,
        BSUtilities::Rational<0>, BSUtilities::Rational<-1>,
          BSUtilities::Rational<0>, BSUtilities::Rational<0>,
            BSUtilities::Rational<0>, BSUtilities::Rational<0> > Dimension;
    typedef diffusionCoefficient::Unit UnitType;
    typedef diffusionCoefficient::Units UnitList;
    typedef diffusionCoefficient::SquareMetrePerSecond DefaultUnit;

    typedef diffusionCoefficient::DerivedDiffusionCoefficient DefaultDerivedQuantityType;

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

  };

template<>
  struct DerivedQuantityTraits<diffusionCoefficient::Class, 
                                                      diffusionCoefficient::DerivedDiffusionCoefficient>
  {
    static const bool OverwriteName = false;
    static const bool OverwriteSymbol = false;

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

  };

typedef Variable<diffusionCoefficient::Quantity> DiffusionCoefficient;

typedef Constant<diffusionCoefficient::Quantity> 
                                           DiffusionCoefficientConstant;

typedef QuantityVector<Variable, diffusionCoefficient::Quantity> 
                                             DiffusionCoefficientVector;

} // end namespace quantity

#endif /* _DiffusionCoefficient_h */

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