stopwatch.h

#pragma once
 
#include "lib_begin.h"
 
namespace cgv {
    namespace utils {
 
class CGV_API stopwatch
{
public:
    //standard constructor starts time measurement; if silent is true the stopwatch does not print time upon destruction
    stopwatch(bool silent = false);
    //start counting time
    stopwatch(double *result, bool silent = false);
    // 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;
    bool silent;
};
 
    }
}
 
#include <cgv/config/lib_end.h>