Fraction.h

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/* Copyright (C) 2002-2004, 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 _Fraction_h
#define _Fraction_h

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

namespace Quantities {

/* Fraction dimension */
typedef BSUtilities::Rational<0> Fraction_LE;
typedef BSUtilities::Rational<0> Fraction_M; 
typedef BSUtilities::Rational<0> Fraction_TI;
typedef BSUtilities::Rational<0> Fraction_E; 
typedef BSUtilities::Rational<0> Fraction_TE;
typedef BSUtilities::Rational<0> Fraction_A; 
typedef BSUtilities::Rational<0> Fraction_LU;
class FractionGroup
  {
    public:
      typedef TYPELIST_7(Fraction_LE, Fraction_M, Fraction_TI, 
                         Fraction_E, Fraction_TE, Fraction_A, 
                                                     Fraction_LU) DimTL;
  };

  namespace FractionUnits {

/* declaration of Fraction unit base class */
typedef Units::Unit<FractionGroup> FractionUnit;

/* declaration of Fraction units */
class UnityUnit;
class PercentUnit;
class PpmUnit;

/* the unity unit */

typedef Units::NonPrefixable<FractionGroup, UnityUnit> Unity;

/* the percent */

typedef Units::NonPrefixable<FractionGroup, PercentUnit> Percent;

/* the parts per millions unit, ppm */

typedef Units::NonPrefixable<FractionGroup, PpmUnit> Ppm;

typedef TYPELIST_3(Unity, Percent, Ppm) FractionUnits;

  }

/* declaration of Fraction dimension */

typedef Dimensions::Dimension<FractionGroup> FractionDimension;

/* Fraction quantity */

typedef Quantity<FractionGroup, FractionUnits::FractionUnits,  
                               FractionUnits::Unity> FractionQuantities;

typedef Variable<FractionQuantities> Fraction;
typedef Constant<FractionQuantities> FractionConstant;

typedef VariableVector<FractionQuantities> FractionVector;

}

#endif /* _Fraction_h */

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