stopwatch.h

#pragma once
 
#include "lib_begin.h"
 
namespace cgv {
        namespace utils {
 
class CGV_API stopwatch
{
public:
        //standard constructor starts time measurement
        stopwatch();
        //start counting time
        stopwatch(double *result);
        // add_time adds the time ellapsed thus far
        void add_time();
        //destructor stops time measurement and puts the result into cout
        ~stopwatch();
        double get_elapsed_time() const;
        double restart();
private:
        void init();
        double get_current_time(long long& end) const;
        long long start;
        double *resultd;        
};
 
        }
}
 
#include <cgv/config/lib_end.h>