Triple.hpp

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#pragma ident "$Id: Triple.hpp 3140 2012-06-18 15:03:02Z susancummins $"

#ifndef GPSTK_TRIPLE_HPP
#define GPSTK_TRIPLE_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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 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 <valarray>
#include <vector>
#include "Exception.hpp"
#include "Vector.hpp"

namespace gpstk
{

   NEW_EXCEPTION_CLASS(GeometryException, gpstk::Exception);

   class Triple
   {
   public:
      Triple();

      Triple(const Triple& right);

      Triple(double a, 
             double b, 
             double c);

      virtual ~Triple() {}

      Triple& operator=(const Triple& right);

      Triple& operator=(const std::valarray<double>& right)
         throw(GeometryException);

         
      Vector<double> toVector();


      std::vector<double> toStdVector();

      double dot(const Triple& right) const 
         throw();
   
      Triple cross(const Triple& right) const
         throw();
   
      double mag() const 
         throw();
   
      Triple unitVector() const
         throw(GeometryException);
      
      double cosVector(const Triple& right) const 
         throw(GeometryException);
      
      double slantRange(const Triple& right) const 
         throw();
      
      double elvAngle(const Triple& right) const 
         throw(GeometryException);
      
      double azAngle(const Triple& right) const 
         throw(GeometryException);
      
      Triple R1(const double& angle) const
         throw();
   
      
      Triple R2(const double& angle) const
         throw();
   
      
      Triple R3(const double& angle) const
         throw();
   
      double& operator[](const size_t index)
         { return theArray[index]; }

      double operator[](const size_t index) const
         { return theArray[index]; }

     
      bool operator== (const Triple& right) const ;
     

      Triple operator-(const Triple& right) const ;

      Triple operator+(const Triple& right) const ;

      friend Triple operator*(double right, const Triple& rhs);

      size_t size(void) const
         { return theArray.size(); }

      friend std::ostream& operator<<(std::ostream& s, 
                                      const gpstk::Triple& v);
      
      std::valarray<double> theArray;

   }; // class Triple


} // namespace gpstk


#endif

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