Force.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 _Force_h
#define _Force_h

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

namespace Quantities {

/* Force dimension */
typedef BSUtilities::Rational<1> Force_LE;
typedef BSUtilities::Rational<1> Force_M;
typedef BSUtilities::Rational<-2> Force_TI;
typedef BSUtilities::Rational<0> Force_E;
typedef BSUtilities::Rational<0> Force_TE;
typedef BSUtilities::Rational<0> Force_A;
typedef BSUtilities::Rational<0> Force_LU;
class ForceGroup
  {
    public:
      typedef TYPELIST_7(Force_LE, Force_M, Force_TI, Force_E,
                                     Force_TE, Force_A, Force_LU) DimTL;
  };


  namespace ForceUnits {

/* declaration of Force unit base class */
typedef Units::Unit<ForceGroup> ForceUnit;

/* declaration of Force units */
class NewtonUnits;
class DyneUnit;
class KilogramForceUnit;
class AtomicUnit;

/* the Newton and prefixed Newtons */

typedef Units::Prefixable<ForceGroup, NewtonUnits> Newtons;

typedef Units::Prefixed<Newtons> Newton;

/* the dyne */

typedef Units::NonPrefixable<ForceGroup, DyneUnit> Dyne;

/* the kilogram-force */

typedef Units::NonPrefixable<ForceGroup, KilogramForceUnit> KilogramForce;

/* the atomic force unit */

typedef Units::NonPrefixable<ForceGroup, AtomicUnit> Atomic;

typedef Loki::TL::Append<Newtons::Units,
            TYPELIST_3(Dyne, KilogramForce, Atomic)>::Result ForceUnits;

/* declare some abbreviated time units */

typedef Newton N;
typedef Dyne dyn;

  }

/* declaration of Force dimension */

typedef Dimensions::Dimension<ForceGroup> ForceDimension;

/* Force Quantity */

typedef Quantity<ForceGroup, ForceUnits::ForceUnits,
                                    ForceUnits::Newton> ForceQuantities;

typedef Variable<ForceQuantities> Force;
typedef Constant<ForceQuantities> ForceConstant;

typedef VariableVector<ForceQuantities> ForceVector;
}

#endif /* _Force_h */

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