Singleton.h

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//SINGLETON:
//                      Title:                  template Singleton
//                      File:                           Singleton.h
//
//                      Function:               Singleton template for managing resources
//
//                      Author:                 Thomas Mörwald
//                      Date:                           26.03.2009
// ----------------------------------------------------------------------------

#include <stdio.h>

namespace Tracking{

template <typename T>
class Singleton
{
public:
        static T* GetInstance(){
                if (!m_instance)
                        m_instance = new T ();
                return m_instance;
        }
        virtual ~Singleton(){
                m_instance = 0;
        }
private:
        static T* m_instance;
protected:
        Singleton() { }
};

template <typename T>
T* Singleton <T>::m_instance = 0;

}