stopwatch.h

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#ifndef GEOGRAM_BASIC_STOPWATCH
#define GEOGRAM_BASIC_STOPWATCH
 
#include <geogram/basic/common.h>
#include <geogram/basic/numeric.h>
#include <geogram/basic/logger.h>
 
#include <chrono>
 
namespace GEO {
 
    class GEOGRAM_API Stopwatch {
    public:
        Stopwatch(const std::string& task_name, bool verbose=true);
 
 
        Stopwatch();
        
        double elapsed_time() const;
 
        ~Stopwatch();
 
        static double now();
 
        static double process_elapsed_time() {
            return now() - process_start_time_;
        }
        
        static void initialize();
        static void show_stats();
        
    private:
        static double process_start_time_;
        static bool global_stats_;
        std::chrono::time_point<std::chrono::system_clock> start_;
        std::string task_name_;
        bool verbose_;
    };
}
 
#endif