stopwatch.hh

#ifndef LOCARNA_STOPWATCH_HH
#define LOCARNA_STOPWATCH_HH

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "aux.hh"
#include <iosfwd>
#include <string>


namespace LocARNA {    
    class StopWatch {
    private:
        struct timer_t {
            bool running; 
            double last_start; 
            double total; 
            size_t cycles; 
            
            timer_t(): running(false), last_start(0.0), total(0.0), cycles(0) {}
        };

        typedef unordered_map<std::string,timer_t>::type map_t;
        
        map_t timers;
        
        bool print_on_exit;

    public:
        
        explicit
        StopWatch(bool print_on_exit=false);
        

        ~StopWatch();
        
        void
        set_print_on_exit(bool print_on_exit);
        
        bool
        start(const std::string &name);
        
        bool
        stop(const std::string &name);

        bool
        is_running(const std::string &name) const;

        double
        current_total(const std::string &name) const;
        
        size_t current_cycles(const std::string &name) const;
        
        std::ostream &
        print_info(std::ostream &out,const std::string &name) const;

        std::ostream &
        print_info(std::ostream &out) const;

        
    private:
        double current_time () const;
    };
}
#endif