Frequency.h

Go to the documentation of this file.

/* 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 _Frequency_h
#define _Frequency_h

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

namespace Quantities {

/* Frequency dimension */
typedef BSUtilities::Rational<0> Frequency_LE;
typedef BSUtilities::Rational<0> Frequency_M;
typedef BSUtilities::Rational<-1> Frequency_TI;
typedef BSUtilities::Rational<0> Frequency_E;
typedef BSUtilities::Rational<0> Frequency_TE;
typedef BSUtilities::Rational<0> Frequency_A;
typedef BSUtilities::Rational<0> Frequency_LU;
class FrequencyGroup
  {
    public:
      typedef TYPELIST_7(Frequency_LE, Frequency_M, Frequency_TI, 
                         Frequency_E, Frequency_TE, Frequency_A, 
                         Frequency_LU) DimTL;
  };

  namespace FrequencyUnits {

/* declaration of Frequency unit base class */
typedef Units::Unit<FrequencyGroup> FrequencyUnit;

/* declaration of Frequency units */
class HertzUnits;

/* the Hertz and prefixed Hertz units*/

typedef Units::Prefixable<FrequencyGroup, HertzUnits> Hertzs;

typedef Units::Prefixed<Hertzs> Hertz;
typedef Units::Prefixed<Hertzs, Units::Milli> MilliHertz;
typedef Units::Prefixed<Hertzs, Units::Kilo> KiloHertz;
typedef Units::Prefixed<Hertzs, Units::Mega> MegaHertz;
typedef Units::Prefixed<Hertzs, Units::Giga> GigaHertz;

typedef Hertzs::Units FrequencyUnits;

/* declare some abbreviated time units */

typedef Hertz Hz;
typedef MilliHertz mHz;
typedef MegaHertz MHz;
typedef GigaHertz GHz;

  }

/* declaration of Frequency dimension */

typedef Dimensions::Dimension<FrequencyGroup> FrequencyDimension;

/* Frequency Quantity */

typedef Quantity<FrequencyGroup, FrequencyUnits::FrequencyUnits,
                             FrequencyUnits::Hertz> FrequencyQuantities;

typedef Variable<FrequencyQuantities> Frequency;
typedef Constant<FrequencyQuantities> FrequencyConstant;

typedef VariableVector<FrequencyQuantities> FrequencyVector;

}

#endif /* _Frequency_h */

---