location.hpp

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 #ifndef LOCATION_H
 #define LOCATION_H

 #include <iostream>
 using namespace std;
 #include <math.h>
 #include <boost/shared_ptr.hpp>

 class Location {
 public:
    typedef boost::shared_ptr<Location> LocationPtr;

    Location();

    Location(float x, float y, float z);

    static inline float distance(const Location& loc1,
       const Location& loc2);

    inline void setCoordinates(float x, float y, float z);

    inline float getX() const;

    inline float getY() const;

    inline float getZ() const;

 private:

    float m_xCoordinate;

    float m_yCoordinate;

    float m_zCoordinate;

 };
 typedef boost::shared_ptr<Location> LocationPtr;

 // Inline Functions

 inline float Location::distance(const Location& loc1, const Location& loc2)
 {
    float xDiff = loc1.getX() - loc2.getX();
    float yDiff = loc1.getY() - loc2.getY();
    float zDiff = loc1.getZ() - loc2.getZ();
    return sqrt(pow(xDiff, 2) + pow(yDiff, 2) + pow(zDiff, 2));
 }

 inline void Location::setCoordinates(float x, float y, float z)
 {
    m_xCoordinate = x;
    m_yCoordinate = y;
    m_zCoordinate = z;
 }

 inline float Location::getX() const
 {
    return m_xCoordinate;
 }

 inline float Location::getY() const
 {
    return m_yCoordinate;
 }

 inline float Location::getZ() const
 {
    return m_zCoordinate;
 }

 // Overloaded Operators

 inline ostream& operator<< (ostream& s, const Location& location)
 {
    return s << "(x=" << location.getX() << ", y=" <<
       location.getY() << ", z=" << location.getZ() << ")";
 }

 #endif // LOCATION_H