Tsqr_TimeStats.hpp

#ifndef __TSQR_TimeStats_hpp
#define __TSQR_TimeStats_hpp

// #include <cstddef> // size_t
#include <ostream>
#include <stdexcept>


namespace TSQR {

  // Forward declaration
  template< class Scalar >
  class MessengerBase;

  class TimeStats {
  public:
    TimeStats();
    ~TimeStats() {}

    void init ();

    void update (const double curTime);

    void
    print (std::ostream& out, 
     const bool humanReadable,
     const std::string& label,
     const std::string& labelLabel,
     const bool printHeaders) const;

    double min() const { return min_; }

    double max() const { return max_; }

    double mean() const { return mean_; }

    double total() const { return total_; }

    int count() const { return count_; }

    static TimeStats
    globalTimeStats (MessengerBase< double >* const comm,
         const TimeStats& localStats);

  private:
    double min_, max_, mean_, total_;
    int count_;
  };

  

} // namespace TSQR

#endif // __TSQR_TimeStats_hpp