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// boost progress.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
// 1 Dec 01 Add leading progress display strings (suggested by Toon Knapen)
// 20 May 01 Introduce several static_casts<> to eliminate warning messages
// (Fixed by Beman, reported by Herve Bronnimann)
// 12 Jan 01 Change to inline implementation to allow use without library
// builds. See docs for more rationale. (Beman Dawes)
// 22 Jul 99 Name changed to .hpp
// 16 Jul 99 Second beta
// 6 Jul 99 Initial boost version
#ifndef BOOST_PROGRESS_HPP
#define BOOST_PROGRESS_HPP
#include <boost/config/header_deprecated.hpp>
BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp> or <boost/timer/progress_display.hpp>" )
#include <boost/timer.hpp>
#include <boost/noncopyable.hpp>
#include <boost/cstdint.hpp> // for uintmax_t
#include <iostream> // for ostream, cout, etc
#include <string> // for string
namespace boost {
// progress_timer ----------------------------------------------------------//
// A progress_timer behaves like a timer except that the destructor displays
// an elapsed time message at an appropriate place in an appropriate form.
class progress_timer : public timer, private noncopyable
{
public:
explicit progress_timer( std::ostream & os = std::cout )
// os is hint; implementation may ignore, particularly in embedded systems
: timer(), noncopyable(), m_os(os) {}
~progress_timer()
{
// A) Throwing an exception from a destructor is a Bad Thing.
// B) The progress_timer destructor does output which may throw.
// C) A progress_timer is usually not critical to the application.
// Therefore, wrap the I/O in a try block, catch and ignore all exceptions.
try
{
// use istream instead of ios_base to workaround GNU problem (Greg Chicares)
std::istream::fmtflags old_flags = m_os.setf( std::istream::fixed,
std::istream::floatfield );
std::streamsize old_prec = m_os.precision( 2 );
m_os << elapsed() << " s\n" // "s" is System International d'Unites std
<< std::endl;
m_os.flags( old_flags );
m_os.precision( old_prec );
}
catch (...) {} // eat any exceptions
} // ~progress_timer
private:
std::ostream & m_os;
};
// progress_display --------------------------------------------------------//
// progress_display displays an appropriate indication of
// progress at an appropriate place in an appropriate form.
// NOTE: (Jan 12, 2001) Tried to change unsigned long to boost::uintmax_t, but
// found some compilers couldn't handle the required conversion to double.
// Reverted to unsigned long until the compilers catch up.
class progress_display : private noncopyable
{
public:
explicit progress_display( unsigned long expected_count_,
std::ostream & os = std::cout,
const std::string & s1 = "\n", //leading strings
const std::string & s2 = "",
const std::string & s3 = "" )
// os is hint; implementation may ignore, particularly in embedded systems
: noncopyable(), m_os(os), m_s1(s1), m_s2(s2), m_s3(s3) { restart(expected_count_); }
void restart( unsigned long expected_count_ )
// Effects: display appropriate scale
// Postconditions: count()==0, expected_count()==expected_count_
{
_count = _next_tic_count = _tic = 0;
_expected_count = expected_count_;
m_os << m_s1 << "0% 10 20 30 40 50 60 70 80 90 100%\n"
<< m_s2 << "|----|----|----|----|----|----|----|----|----|----|"
<< std::endl // endl implies flush, which ensures display
<< m_s3;
if ( !_expected_count ) _expected_count = 1; // prevent divide by zero
} // restart
unsigned long operator+=( unsigned long increment )
// Effects: Display appropriate progress tic if needed.
// Postconditions: count()== original count() + increment
// Returns: count().
{
if ( (_count += increment) >= _next_tic_count ) { display_tic(); }
return _count;
}
unsigned long operator++() { return operator+=( 1 ); }
unsigned long count() const { return _count; }
unsigned long expected_count() const { return _expected_count; }
private:
std::ostream & m_os; // may not be present in all imps
const std::string m_s1; // string is more general, safer than
const std::string m_s2; // const char *, and efficiency or size are
const std::string m_s3; // not issues
unsigned long _count, _expected_count, _next_tic_count;
unsigned int _tic;
void display_tic()
{
// use of floating point ensures that both large and small counts
// work correctly. static_cast<>() is also used several places
// to suppress spurious compiler warnings.
unsigned int tics_needed = static_cast<unsigned int>((static_cast<double>(_count)
/ static_cast<double>(_expected_count)) * 50.0);
do { m_os << '*' << std::flush; } while ( ++_tic < tics_needed );
_next_tic_count =
static_cast<unsigned long>((_tic/50.0) * static_cast<double>(_expected_count));
if ( _count == _expected_count ) {
if ( _tic < 51 ) m_os << '*';
m_os << std::endl;
}
} // display_tic
};
} // namespace boost
#endif // BOOST_PROGRESS_HPP

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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
#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

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// boost/timer/config.hpp -----------------------------------------------------------//
// Copyright Beman Dawes 2003, 2006, 2011
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// See http://www.boost.org/libs/timer for documentation.
#ifndef BOOST_TIMER_CONFIG_HPP
#define BOOST_TIMER_CONFIG_HPP
#include <boost/config.hpp>
#include <boost/system/api_config.hpp>
// This header implements separate compilation features as described in
// http://www.boost.org/more/separate_compilation.html
// enable dynamic or static linking as requested --------------------------------------//
#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_TIMER_DYN_LINK)
# if defined(BOOST_TIMER_SOURCE)
# define BOOST_TIMER_DECL BOOST_SYMBOL_EXPORT
# else
# define BOOST_TIMER_DECL BOOST_SYMBOL_IMPORT
# endif
#else
# define BOOST_TIMER_DECL
#endif
// enable automatic library variant selection ----------------------------------------//
#if !defined(BOOST_TIMER_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_TIMER_NO_LIB)
//
// Set the name of our library, this will get undef'ed by auto_link.hpp
// once it's done with it:
//
#define BOOST_LIB_NAME boost_timer
//
// If we're importing code from a dll, then tell auto_link.hpp about it:
//
#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_TIMER_DYN_LINK)
# define BOOST_DYN_LINK
#endif
//
// And include the header that does the work:
//
#include <boost/config/auto_link.hpp>
// We also need to autolink to the Chrono library; even though
// it's not used in the interface, and no Chrono header is included,
// it's used in the implementation and is necessary in order to link
#if !defined(BOOST_CHRONO_NO_LIB)
#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK)
# define BOOST_DYN_LINK
#endif
#define BOOST_LIB_NAME boost_chrono
#include <boost/config/auto_link.hpp>
#endif // !defined(BOOST_CHRONO_NO_LIB)
#endif // auto-linking disabled
#endif // BOOST_TIMER_CONFIG_HPP

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// Copyright Beman Dawes 1994-99.
// Copyright Peter Dimov 2019.
// Distributed under the Boost Software License, Version 1.0.
// (http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/timer for documentation.
#ifndef BOOST_TIMER_PROGRESS_DISPLAY_HPP_INCLUDED
#define BOOST_TIMER_PROGRESS_DISPLAY_HPP_INCLUDED
#include <boost/noncopyable.hpp>
#include <iostream> // for ostream, cout, etc
#include <string> // for string
namespace boost {
namespace timer {
// progress_display --------------------------------------------------------//
// progress_display displays an appropriate indication of
// progress at an appropriate place in an appropriate form.
class progress_display : private noncopyable
{
public:
explicit progress_display( unsigned long expected_count_,
std::ostream & os = std::cout,
const std::string & s1 = "\n", //leading strings
const std::string & s2 = "",
const std::string & s3 = "" )
// os is hint; implementation may ignore, particularly in embedded systems
: noncopyable(), m_os(os), m_s1(s1), m_s2(s2), m_s3(s3) { restart(expected_count_); }
void restart( unsigned long expected_count_ )
// Effects: display appropriate scale
// Postconditions: count()==0, expected_count()==expected_count_
{
_count = _next_tic_count = _tic = 0;
_expected_count = expected_count_;
m_os << m_s1 << "0% 10 20 30 40 50 60 70 80 90 100%\n"
<< m_s2 << "|----|----|----|----|----|----|----|----|----|----|"
<< std::endl // endl implies flush, which ensures display
<< m_s3;
if ( !_expected_count ) _expected_count = 1; // prevent divide by zero
} // restart
unsigned long operator+=( unsigned long increment )
// Effects: Display appropriate progress tic if needed.
// Postconditions: count()== original count() + increment
// Returns: count().
{
if ( (_count += increment) >= _next_tic_count ) { display_tic(); }
return _count;
}
unsigned long operator++() { return operator+=( 1 ); }
unsigned long count() const { return _count; }
unsigned long expected_count() const { return _expected_count; }
private:
std::ostream & m_os; // may not be present in all imps
const std::string m_s1; // string is more general, safer than
const std::string m_s2; // const char *, and efficiency or size are
const std::string m_s3; // not issues
unsigned long _count, _expected_count, _next_tic_count;
unsigned int _tic;
void display_tic()
{
// use of floating point ensures that both large and small counts
// work correctly. static_cast<>() is also used several places
// to suppress spurious compiler warnings.
unsigned int tics_needed = static_cast<unsigned int>((static_cast<double>(_count)
/ static_cast<double>(_expected_count)) * 50.0);
do { m_os << '*' << std::flush; } while ( ++_tic < tics_needed );
_next_tic_count =
static_cast<unsigned long>((_tic/50.0) * static_cast<double>(_expected_count));
if ( _count == _expected_count ) {
if ( _tic < 51 ) m_os << '*';
m_os << std::endl;
}
} // display_tic
};
} // namespace timer
} // namespace boost
#endif // BOOST_TIMER_PROGRESS_DISPLAY_HPP_INCLUDED

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// boost/timer/timer.hpp -------------------------------------------------------------//
// Copyright Beman Dawes 1994-2007, 2011
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_TIMER_TIMER_HPP
#define BOOST_TIMER_TIMER_HPP
#include <boost/timer/config.hpp>
#include <boost/cstdint.hpp>
#include <string>
#include <cstring>
#include <ostream>
#include <boost/config/abi_prefix.hpp> // must be the last #include
# if defined(_MSC_VER)
# pragma warning(push) // Save warning settings
# pragma warning(disable : 4251) // disable warning: class 'std::basic_string<_Elem,_Traits,_Ax>'
# endif // needs to have dll-interface...
//--------------------------------------------------------------------------------------//
namespace boost
{
namespace timer
{
class cpu_timer;
class auto_cpu_timer;
typedef boost::int_least64_t nanosecond_type;
struct cpu_times
{
nanosecond_type wall;
nanosecond_type user;
nanosecond_type system;
void clear() { wall = user = system = 0; }
};
const short default_places = 6;
BOOST_TIMER_DECL
std::string format(const cpu_times& times, short places, const std::string& format);
BOOST_TIMER_DECL
std::string format(const cpu_times& times, short places = default_places);
// cpu_timer -------------------------------------------------------------------------//
class BOOST_TIMER_DECL cpu_timer
{
public:
// constructor
cpu_timer() BOOST_NOEXCEPT { start(); }
// observers
bool is_stopped() const BOOST_NOEXCEPT { return m_is_stopped; }
cpu_times elapsed() const BOOST_NOEXCEPT; // does not stop()
std::string format(short places, const std::string& format) const
{ return ::boost::timer::format(elapsed(), places, format); }
std::string format(short places = default_places) const
{ return ::boost::timer::format(elapsed(), places); }
// actions
void start() BOOST_NOEXCEPT;
void stop() BOOST_NOEXCEPT;
void resume() BOOST_NOEXCEPT;
private:
cpu_times m_times;
bool m_is_stopped;
};
// auto_cpu_timer --------------------------------------------------------------------//
class BOOST_TIMER_DECL auto_cpu_timer : public cpu_timer
{
public:
// Explicit defaults for os are not provided to avoid including <iostream>, which has
// high costs even when the standard streams are not actually used. Explicit defaults
// for format are not provided to avoid order-of-dynamic-initialization issues with a
// std::string.
explicit auto_cpu_timer(short places = default_places); // #1
auto_cpu_timer(short places, const std::string& format); // #2
explicit auto_cpu_timer(const std::string& format); // #3
auto_cpu_timer(std::ostream& os, short places,
const std::string& format) // #4
: m_places(places), m_os(&os), m_format(format)
{ start(); }
explicit auto_cpu_timer(std::ostream& os, short places = default_places); // #5
auto_cpu_timer(std::ostream& os, const std::string& format) // #6
: m_places(default_places), m_os(&os), m_format(format)
{ start(); }
~auto_cpu_timer();
// observers
// not particularly useful to users, but allow testing of constructor
// postconditions and ease specification of other functionality without resorting
// to "for exposition only" private members.
std::ostream& ostream() const { return *m_os; }
short places() const { return m_places; }
const std::string& format_string() const { return m_format; }
// actions
void report();
private:
short m_places;
std::ostream* m_os; // stored as ptr so compiler can generate operator=
std::string m_format;
};
} // namespace timer
} // namespace boost
# if defined(_MSC_VER)
# pragma warning(pop) // restore warning settings.
# endif
#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
#endif // BOOST_TIMER_TIMER_HPP