convhelp.hpp

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#pragma ident "$Id: convhelp.hpp 70 2006-08-01 18:36:21Z ehagen $"



#ifndef GPSTK_CONVHELP_HPP
#define GPSTK_CONVHELP_HPP

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

//============================================================================
//
//This software developed by Applied Research Laboratories at the University of
//Texas at Austin, under contract to an agency or agencies within the U.S. 
//Department of Defense. The U.S. Government retains all rights to use,
//duplicate, distribute, disclose, or release this software. 
//
//Pursuant to DoD Directive 523024 
//
// DISTRIBUTION STATEMENT A: This software has been approved for public 
//                           release, distribution is unlimited.
//
//=============================================================================






#include "GeoidModel.hpp"

namespace gpstk
{

   inline double cycles2meters(double phase, double freq, GeoidModel& geoid)
   {
      return geoid.c()/freq * phase;
   }
   
   inline double meters2cycles(double range, double freq, GeoidModel& geoid)
   {
      return freq/geoid.c() * range;
   }
   
   inline double cel2far(double c)
   {
      return 9.0 / 5.0 * c + 32;
   }
   
   inline double far2cel(double f)
   {
      return 5.0 / 9.0 * (f - 32);
   }
   
   inline double mb2hg(double mb)
   {
      return mb / 33.8638815789;
   }
   
   inline double hg2mb(double hg)
   {
      return hg * 33.8638815789;
   }


} // namespace

#endif

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