i2pd-sys 0.0.1

Raw FFI bindings to a minimal C shim over libi2pd (PurpleI2P/i2pd).
Documentation 
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//  boost timer.hpp header file  ---------------------------------------------//

//  Copyright Beman Dawes 1994-99.  Distributed under the Boost
//  Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/timer for documentation.

//  Revision History
//  01 Apr 01  Modified to use new <boost/limits.hpp> header. (JMaddock)
//  12 Jan 01  Change to inline implementation to allow use without library
//             builds. See docs for more rationale. (Beman Dawes) 
//  25 Sep 99  elapsed_max() and elapsed_min() added (John Maddock)
//  16 Jul 99  Second beta
//   6 Jul 99  Initial boost version

#ifndef BOOST_TIMER_HPP
#define BOOST_TIMER_HPP

#if !defined(BOOST_TIMER_ENABLE_DEPRECATED)
# error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
#endif

#include <boost/config/header_deprecated.hpp>
BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )

#include <boost/config.hpp>
#include <ctime>
#include <boost/limits.hpp>

# ifdef BOOST_NO_STDC_NAMESPACE
    namespace std { using ::clock_t; using ::clock; }
# endif


namespace boost {

//  timer  -------------------------------------------------------------------//

//  A timer object measures elapsed time.

//  It is recommended that implementations measure wall clock rather than CPU
//  time since the intended use is performance measurement on systems where
//  total elapsed time is more important than just process or CPU time.

//  Warnings: The maximum measurable elapsed time may well be only 596.5+ hours
//  due to implementation limitations.  The accuracy of timings depends on the
//  accuracy of timing information provided by the underlying platform, and
//  this varies a great deal from platform to platform.

class timer
{
 public:
         timer() { _start_time = std::clock(); } // postcondition: elapsed()==0
//         timer( const timer& src );      // post: elapsed()==src.elapsed()
//        ~timer(){}
//  timer& operator=( const timer& src );  // post: elapsed()==src.elapsed()
  void   restart() { _start_time = std::clock(); } // post: elapsed()==0
  double elapsed() const                  // return elapsed time in seconds
    { return  double(std::clock() - _start_time) / CLOCKS_PER_SEC; }

  double elapsed_max() const   // return estimated maximum value for elapsed()
  // Portability warning: elapsed_max() may return too high a value on systems
  // where std::clock_t overflows or resets at surprising values.
  {
    return (double((std::numeric_limits<std::clock_t>::max)())
       - double(_start_time)) / double(CLOCKS_PER_SEC); 
  }

  double elapsed_min() const            // return minimum value for elapsed()
   { return double(1)/double(CLOCKS_PER_SEC); }

 private:
  std::clock_t _start_time;
}; // timer

} // namespace boost

#endif  // BOOST_TIMER_HPP