GenericNavFilterData.hpp

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//==============================================================================
//
//  This file is part of GNSSTk, the ARL:UT GNSS Toolkit.
//
//  The GNSSTk 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 3.0 of the License, or
//  any later version.
//
//  The GNSSTk is distributed in the hope that it will be useful,
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//  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 GNSSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin.
//  Copyright 2004-2022, The Board of Regents of The University of Texas System
//
//==============================================================================
 
//==============================================================================
//
//  This software was 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.
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//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
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//==============================================================================
 
#ifndef GENERICNAVFILTERDATA_HPP
#define GENERICNAVFILTERDATA_HPP
 
#include "NavFilterKey.hpp"
 
namespace gnsstk
{
 
 
   class GenericNavFilterData : public NavFilterKey
   {
   public:
      virtual uint32_t getBits(unsigned start, unsigned num) const = 0;
      uint32_t getBitsSplit(unsigned firstBit1, unsigned numBits1,
                            unsigned firstBit2, unsigned numBits2,
                            unsigned firstBit3 = 0, unsigned numBits3 = 0)
         const
      {
         uint32_t rv = ((getBits(firstBit1,numBits1) << numBits2) +
                        (getBits(firstBit2,numBits2)));
         if ((numBits3 > 0) && (firstBit3 > 0))
            rv = (rv << numBits3) + getBits(firstBit3, numBits3);
         return rv;
      }
      void dump(std::ostream& s) const override
      { NavFilterKey::dump(s); }
   };
 
 
} // namespace gnsstk
 
#endif // GENERICNAVFILTERDATA_HPP