Acceleration.h

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/* Copyright (C) 2002 - 2011, 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 _Acceleration_h
#define _Acceleration_h

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

namespace quantity {
  namespace acceleration {

class Class;

class Unit;

/* declaration of Acceleration units */
class GalUnit;
class StandardAccelerationOfFreeFallUnit;

typedef unit::Component<length::Units, BSUtilities::Rational<1> > 
                                                         LengthComponent;

typedef unit::Component<time::Units, BSUtilities::Rational<-2> > 
                                                          TimeComponent;

typedef unit::ComposeBase<Unit, Loki::Typelist<LengthComponent, 
   Loki::Typelist<TimeComponent, Loki::NullType> > > AccelerationComposedUnit;

typedef unit::Composed<AccelerationComposedUnit, 
  Loki::Typelist<length::Metre, Loki::Typelist<time::Second, Loki::NullType> > >
                                                           MetrePerSquareSecond;
typedef unit::Composed<AccelerationComposedUnit, 
  LOKI_TYPELIST_2(length::CentiMetre, time::Second)> 
                                              CentiMetrePerSquareSecond;
typedef unit::Composed<AccelerationComposedUnit, 
  LOKI_TYPELIST_2(length::Metre, time::MilliSecond)> 
                                              MetrePerSquareMilliSecond;

/* declaration of other Acceleration units */
typedef unit::NonPrefixable<Unit, GalUnit> Gal;

typedef unit::NonPrefixable<Unit, 
     StandardAccelerationOfFreeFallUnit> StandardAccelerationOfFreeFall;

typedef Loki::Typelist<AccelerationComposedUnit, 
  Loki::Typelist<Gal, Loki::Typelist<StandardAccelerationOfFreeFall, 
         Loki::NullType> > > Units;

/* Acceleration quantity */

typedef Quantity<Class> Quantity;

class DerivedAcceleration;

  } //end namespace acceleration

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

    typedef acceleration::DerivedAcceleration DefaultDerivedQuantityType;

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

  };

// the derived quantity traits template for MetrePerSquareSecond Acceleration
template<>
  struct DerivedQuantityTraits<acceleration::Class, 
                                           acceleration::DerivedAcceleration>
  {
    static const bool OverwriteName = false;
    static const bool OverwriteSymbol = false;

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

  };


typedef Variable<acceleration::Quantity> Acceleration;

typedef Constant<acceleration::Quantity> AccelerationConstant;

typedef VariableVector<QuantityVector<acceleration::Class> > AccelerationVector;

} // end namespace quantity

#endif /* _Acceleration_h */

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