xsushortvector.h

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/* +---------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)               |
   |                          http://www.mrpt.org/                             |
   |                                                                           |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file        |
   | See: http://www.mrpt.org/Authors - All rights reserved.                   |
   | Released under BSD License. See details in http://www.mrpt.org/License    |
   +---------------------------------------------------------------------------+ */
#ifndef XSUSHORTVECTOR_H
#define XSUSHORTVECTOR_H
 
#ifndef __cplusplus
#define XSUSHORTVECTOR_INITIALIZER {{0,0,0}}
#else
#include "xstypedefs.h"
#endif
 
/*! \brief A vector containing 3 short values. */
struct XsUShortVector {
#ifdef __cplusplus
        //! \brief Constructor that creates the vector with all components set to 0
        inline XsUShortVector()
        {
                m_data[0] = 0;
                m_data[1] = 0;
                m_data[2] = 0;
        }
 
        //! \brief Constructor that creates the vector with all components set to given values \a v1 \a v2 and \a v3
        inline XsUShortVector(unsigned short v1, unsigned short v2, unsigned short v3)
        {
                m_data[0] = v1;
                m_data[1] = v2;
                m_data[2] = v3;
        }
        
        //! \brief Constructor that creates the vector with all components set to values in array \a a
        inline explicit XsUShortVector(const unsigned short* a)
        {
                m_data[0] = a[0];
                m_data[1] = a[1];
                m_data[2] = a[2];
        }
 
        //! \brief Constructor that creates the vector and initializes it with data from the \a other vector
        inline XsUShortVector(const XsUShortVector& other)
        {
                m_data[0] = other.m_data[0];
                m_data[1] = other.m_data[1];
                m_data[2] = other.m_data[2];
        }
        
        //! \brief Assignment operator copies the data from the \a other vector to this vector
        inline const XsUShortVector& operator = (const XsUShortVector& other)
        {
                if (this != &other)
                {
                        m_data[0] = other.m_data[0];
                        m_data[1] = other.m_data[1];
                        m_data[2] = other.m_data[2];
                }
                return *this;
        }
        
        //! \brief Comparison operator, returns true if the contents of the \a other vector match those of this vector
        inline bool operator == (const XsUShortVector& other) const
        {
                return  m_data[0] == other.m_data[0] &&
                                m_data[1] == other.m_data[1] &&
                                m_data[2] == other.m_data[2];
        }
 
        //! \brief Return the size of the vector (always 3)
        inline XsSize size() const
        {
                return 3;
        }
 
        //! \brief Return a value from the vector (needed to allow generated C# access to these elements)
        inline unsigned short at(int index)
        {
                return m_data[index];
        }
 
        //! \brief Returns the \a index'th item in the vector
        inline unsigned short operator[](XsSize index) const
        {
                assert(index < 3);
                return m_data[index];
        }
 
        //! \brief Returns a reference the \a index'th item in the vector
        inline unsigned short& operator[](XsSize index)
        {
                assert(index < 3);
                return m_data[index];   //lint !e1536
        }
private:
#endif
 
        unsigned short m_data[3];       //!< vector component storage
};
 
typedef struct XsUShortVector XsUShortVector;
 
#endif  // XSUSHORTVECTOR_H