PlaneAngle.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 _PlaneAngle_h
#define _PlaneAngle_h

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

namespace quantity {
  namespace planeAngle {

/* PlaneAngle dimension */
typedef BSUtilities::Rational<0> LE;
typedef BSUtilities::Rational<0> M;
typedef BSUtilities::Rational<0> 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 PlaneAngle units */
class RadianUnits;
class DegreeUnit;
class MinuteUnit;
class SecondUnit;
class GradeUnit;

/* the radian and prefixed radians */

typedef unit::Prefixable<Unit, RadianUnits> Radians;

typedef unit::Prefixed<Radians> Radian;
typedef unit::Prefixed<Radians, unit::Deci> DeciRadian;
typedef unit::Prefixed<Radians, unit::Milli> MilliRadian;
typedef unit::Prefixed<Radians, unit::Micro> MicroRadian;
typedef unit::Prefixed<Radians, unit::Nano> NanoRadian;
typedef unit::Prefixed<Radians, unit::Pico> PicoRadian;

/* the degree */

typedef unit::NonPrefixable<Unit, DegreeUnit> Degree;

/* the minute */

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

/* the second */

typedef unit::NonPrefixable<Unit, SecondUnit> Second;

/* the grade */

typedef unit::NonPrefixable<Unit, GradeUnit> Grade;

typedef Loki::TL::Append<Radians::Units,
          LOKI_TYPELIST_4(Degree, Minute, Second, Grade)>::Result Units;

/* PlaneAngle quantity */

typedef quantity::Quantity<Dimension, Unit, Units, Radian> Quantity;
typedef quantity::Quantity<Dimension, Unit, Units, Radian, long> 
                                                            IntQuantity;
}

/* specializations of trigonometric functions */


template<class ST>
  struct Sin<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::sin (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Cos<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::cos (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Tan<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension,
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::tan (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Sinh<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension,
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::sinh (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Cosh<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::cosh (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Tanh<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::tanh (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Asin<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::asin (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Acos<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension, 
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::cos (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };


template<class ST>
  struct Atan<planeAngle::Dimension, planeAngle::Unit, 
                          planeAngle::Units, planeAngle::Radian, ST>
    {static ST exec (const Quantity<planeAngle::Dimension,
       planeAngle::Unit, planeAngle::Units, planeAngle::Radian, 
                                                      ST> &quantity)
      {return ST(std::atan (Reverse<planeAngle::Radian>::VAL
                                        (quantity.standard_value ())));}
    };

typedef Variable<planeAngle::Quantity> PlaneAngle;
typedef Variable<planeAngle::IntQuantity> IntPlaneAngle;
typedef Variable<planeAngle::Quantity, planeAngle::Degree> 
                                                       DegreePlaneAngle;
typedef Constant<planeAngle::Quantity> PlaneAngleConstant;

typedef QuantityVector<Variable, planeAngle::Quantity> PlaneAngleVector;

  }

#endif /* _PlaneAngle_h */

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