Time.h

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/* Copyright (C) 2002 - 2006, 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 _Time_h
#define _Time_h

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

namespace quantity {
  namespace time {

/* Time dimension */
typedef BSUtilities::Rational<0> LE;
typedef BSUtilities::Rational<0> M; 
typedef BSUtilities::Rational<1> TI;
typedef BSUtilities::Rational<0> E; 
typedef BSUtilities::Rational<0> TE;
typedef BSUtilities::Rational<0> A; 
typedef BSUtilities::Rational<0> LU;

typedef dimension::Dimension<LE, M, TI, E, TE, A, LU> Dimension;

class Unit;

/* declaration of Time units */
class SecondUnits;
class MinuteUnit;
class HourUnit;
class DayUnit;
class YearUnit;
class SvedbergUnit;
class AtomicUnit;

/* the second and prefixed seconds */

typedef unit::Prefixable<Unit, SecondUnits> Seconds;

typedef unit::Prefixed<Seconds> Second; 
typedef unit::Prefixed<Seconds, unit::Deci> DeciSecond;
typedef unit::Prefixed<Seconds, unit::Milli> MilliSecond;
typedef unit::Prefixed<Seconds, unit::Micro> MicroSecond;
typedef unit::Prefixed<Seconds, unit::Nano> NanoSecond;
typedef unit::Prefixed<Seconds, unit::Pico> PicoSecond;

/* the minute */

typedef unit::NonPrefixable<Unit, MinuteUnit> Minute; 

/* the hour */

typedef unit::NonPrefixable<Unit, HourUnit> Hour; 

/* the day */

typedef unit::NonPrefixable<Unit, DayUnit> Day; 

/* the year */

typedef unit::NonPrefixable<Unit, YearUnit> Year; 

/* the Svedberg */

typedef unit::NonPrefixable<Unit, SvedbergUnit> Svedberg; 

/* the atomic unit of time */

typedef unit::NonPrefixable<Unit, AtomicUnit> Atomic; 

typedef Loki::TL::Append<Seconds::Units, 
  LOKI_TYPELIST_6(Minute, Hour, Day, Year, Svedberg, Atomic)>::Result 
                                                                  Units;

/* declare some abbreviated time units */

typedef Second s;
typedef MilliSecond ms;
typedef MicroSecond us;
typedef Minute min;


/* Time Quantity */

typedef Quantity<Dimension, Unit, Units, Second> Quantity;
typedef quantity::Quantity<Dimension, Unit, Units, Second, int> 
                                                           IntQuantity;
typedef quantity::Quantity<Dimension, Unit, Units, Second, long> 
                                                           LongQuantity;
  }

typedef Variable<time::Quantity> Time;
typedef Variable<time::IntQuantity> IntTime;
typedef Variable<time::LongQuantity> LongTime;
typedef Variable<time::Quantity, time::Minute> MinuteTime;

typedef Constant<time::Quantity> TimeConstant;

typedef VariableVector<time::Quantity> TimeVector;
}

#endif /* _Time_h */

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