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Subject: [Boost-commit] svn:boost r58895 - in sandbox/chrono/libs/chrono/doc/html/boost_chrono: . examples reference
From: vicente.botet_at_[hidden]
Date: 2010-01-11 06:38:18

Author: viboes
Date: 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
New Revision: 58895
URL: http://svn.boost.org/trac/boost/changeset/58895

Log:
Boost.Chrono: Version 0.3.0, Doc files cleanup
Removed:
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/howard_hinnant_s_simulated_thread_interface_demonstration_program.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example2_cpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example_cpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/chrono_hpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/common_type_hpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/process_times_hpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/ratio_hpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/timer_hpp.html
   sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference_.html

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/howard_hinnant_s_simulated_thread_interface_demonstration_program.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/howard_hinnant_s_simulated_thread_interface_demonstration_program.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,45 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title>Howard
- Hinnant's simulated thread interface demonstration program</title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
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-<link rel="up" href="../examples.html" title="Examples">
-<link rel="prev" href="howard_hinnant_s_original_demonstration_program.html" title="Howard
- Hinnant's original demonstration program">
-<link rel="next" href="si_units.html" title="SI-units">
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-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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-<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
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-<td align="center">More</td>
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-</div>
-<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.examples.howard_hinnant_s_simulated_thread_interface_demonstration_program"></a><a href="howard_hinnant_s_simulated_thread_interface_demonstration_program.html" title="Howard
- Hinnant's simulated thread interface demonstration program">Howard
- Hinnant's simulated thread interface demonstration program</a>
-</h3></div></div></div></div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="howard_hinnant_s_original_demonstration_program.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="si_units.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example2_cpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example2_cpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,78 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title>run_timer_example2.cpp</title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
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-<link rel="prev" href="run_timer_example_cpp.html" title="run_timer_example.cpp">
-<link rel="next" href="time_command.html" title="time command">
-</head>
-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
-<table cellpadding="2" width="100%"><tr>
-<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
-<td align="center">Home</td>
-<td align="center">Libraries</td>
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-<hr>
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-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.examples.run_timer_example2_cpp"></a>run_timer_example2.cpp
-</h3></div></div></div>
-
- The run_timer_example2.cpp program is the same, except that it supplies additional
- constructor arguments from the command line:
- 
-<pre class="programlisting">#include <boost/system/timer.hpp>
-#include <cmath>
-
-int main( int argc, char * argv[] )
-{
- const char * format = argc > 1 ? argv[1] : "%t cpu seconds\n";
- int places = argc > 2 ? std::atoi( argv[2] ) : 2;
-
- boost::chrono::run_timer t( format, places );
-
- for ( long i = 0; i < 10000000; ++i )
- std::sqrt( 123.456L ); // burn some time
-
- return 0;
-}
-</pre>
-
- Here is the output for this program for several sets of command line arguments:
- 
-<pre class="programlisting">run_timer_example2
-0.42 cpu seconds
-
-run_timer_example2 "%w wall clock seconds\n"
-0.41 wall clock seconds
-
-run_timer_example2 "%w wall clock seconds\n" 6
-0.421875 wall clock seconds
-
-run_timer_example2 "%t total CPU seconds\n" 3
-0.422 total CPU seconds
-</pre>
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="run_timer_example_cpp.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="time_command.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example_cpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/examples/run_timer_example_cpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,77 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title>run_timer_example.cpp</title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
-<link rel="start" href="../../index.html" title="Boost.Chrono">
-<link rel="up" href="../examples.html" title="Examples">
-<link rel="prev" href="a_tiny_program_that_times_how_long_until_a_key_is_struck.html" title="A
- tiny program that times how long until a key is struck">
-<link rel="next" href="run_timer_example2_cpp.html" title="run_timer_example2.cpp">
-</head>
-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
-<table cellpadding="2" width="100%"><tr>
-<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
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-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="a_tiny_program_that_times_how_long_until_a_key_is_struck.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="run_timer_example2_cpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.examples.run_timer_example_cpp"></a>run_timer_example.cpp
-</h3></div></div></div>
-
- Here is the run_timer_example.cpp program supplied with the Boost Chrono
- library:
- 
-
- When the run_timer t object is created, it starts timing. When it is destroyed
- at the end of the program, its destructor stops the timer and displays timing
- information on cout.
- 
-<pre class="programlisting">#include <boost/chrono/process_times.hpp>
-#include <cmath>
-
-int main()
-{
- boost::chrono::run_timer t;
-
- for ( long i = 0; i < 10000000; ++i )
- std::sqrt( 123.456L ); // burn some time
-
- return 0;
-}
-</pre>
-
- The output of this program run on a circa 2006 processor looks was this:
- 
-<pre class="programlisting">wall 0.42 s, user 0.41 s + system 0.00 s = total cpu 0.41 s, (96.3%)
-</pre>
-
- In other words, this program ran in 0.42 seconds as would be measured by
- a clock on the wall, the operating system charged it for 0.41 seconds of
- user CPU time and 0 seconds of system CPU time, the total of these two was
- 0.41, and that represented 96.3 percent of the wall clock time.
- 
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="a_tiny_program_that_times_how_long_until_a_key_is_struck.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../examples.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="run_timer_example2_cpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/chrono_hpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/chrono_hpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,1893 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title> Header <boost/chrono.hpp></title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
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-<link rel="prev" href="ratio_hpp.html" title=" Header <boost/ratio.hpp>">
-<link rel="next" href="timer_hpp.html" title=" Header <boost/chrono/timer.hpp>">
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-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.reference.chrono_hpp"></a> Header <boost/chrono.hpp>
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-<div class="toc"><dl>
-<dt>Clock Requirements</dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits">Time-related
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- Constructor <code class="computeroutput">duration(const Rep2&)</code></a></dt>
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- Member function <code class="computeroutput">operator-=</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_min">
- Static Member function <code class="computeroutput">min</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_max">
- Static Member function <code class="computeroutput">max</code></a></dt>
-</dl></dd>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic">time_point
- non-member arithmetic</a></dt>
-<dd><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_1">
- Non-Member function <code class="computeroutput">operator+(time_point,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_2">
- Non-Member function <code class="computeroutput">operator+(duration,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_1">
- Non-Member function <code class="computeroutput">operator-(time_point,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_2">
- Non-Member function <code class="computeroutput">operator-(duration,time_point)</code></a></dt>
-</dl></dd>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons">time_point
- comparisons</a></dt>
-<dd><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_eq">
- Non-Member function <code class="computeroutput">operator==(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_neq">
- Non-Member function <code class="computeroutput">operator!=(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_lt">
- Non-Member function <code class="computeroutput">operator<(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_leq">
- Non-Member function <code class="computeroutput">operator<=(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_gt">
- Non-Member function <code class="computeroutput">operator>(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_geq">
- Non-Member function <code class="computeroutput">operator>=(time_point,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_cast">
- Non-Member function <code class="computeroutput">time_point_cast(time_point)</code></a></dt>
-</dl></dd>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_">Class
- <code class="computeroutput">system_clock</code></a></dt>
-<dd><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.to_time_t">
- Static member function <code class="computeroutput">to_time_t(time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.from_time_t">
- Static member function <code class="computeroutput">from_time_t(time_t)</code></a></dt>
-</dl></dd>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__monotonic_clock_">Class
- <code class="computeroutput">monotonic_clock</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__high_resolution_clock_">Class
- <code class="computeroutput">high_resolution_clock</code></a></dt>
-</dl></div>
-<pre class="programlisting">namespace boost {
-namespace chrono {
-
- template <class Rep, class Period = ratio<1> > class duration;
- template <class Clock, class Duration = typename Clock::duration> class time_point;
-
-}
- template <class Rep1, class Period1, class Rep2, class Period2>
- struct common_type<chrono::duration<Rep1, Period1>,
- chrono::duration<Rep2, Period2> >;
-
- template <class Clock, class Duration1, class Duration2>
- struct common_type<chrono::time_point<Clock, Duration1>,
- chrono::time_point<Clock, Duration2> >;
-
-namespace chrono {
-
- // customization traits
- template <class Rep> struct treat_as_floating_point;
- template <class Rep> struct duration_values;
-
- // duration arithmetic
- template <class Rep1, class Period1, class Rep2, class Period2>
- typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2> >::type
- operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period1, class Rep2, class Period2>
- typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2> >::type
- operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period, class Rep2>
- duration<typename common_type<Rep1, Rep2>::type, Period>
- operator*(const duration<Rep1, Period>& d, const Rep2& s);
-
- template <class Rep1, class Period, class Rep2>
- duration<typename common_type<Rep1, Rep2>::type, Period>
- operator*(const Rep1& s, const duration<Rep2, Period>& d);
-
- template <class Rep1, class Period, class Rep2>
- duration<typename common_type<Rep1, Rep2>::type, Period>
- operator/(const duration<Rep1, Period>& d, const Rep2& s);
-
- template <class Rep1, class Period1, class Rep2, class Period2>
- typename common_type<Rep1, Rep2>::type
- operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- // duration comparisons
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
- template <class Rep1, class Period1, class Rep2, class Period2>
- bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-
- // duration_cast
-
- template <class ToDuration, class Rep, class Period>
- ToDuration duration_cast(const duration<Rep, Period>& d);
-
- // convenience typedefs
- typedef duration<boost::int_least64_t, nano> nanoseconds; // at least 64 bits needed
- typedef duration<boost::int_least64_t, micro> microseconds; // at least 55 bits needed
- typedef duration<boost::int_least64_t, milli> milliseconds; // at least 45 bits needed
- typedef duration<boost::int_least64_t> seconds; // at least 35 bits needed
- typedef duration<boost::int_least32_t, ratio< 60> > minutes; // at least 29 bits needed
- typedef duration<boost::int_least32_t, ratio<3600> > hours; // at least 23 bits needed
-
- // time_point arithmetic
- template <class Clock, class Duration1, class Rep2, class Period2>
- time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2> >::type>
- operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Rep1, class Period1, class Clock, class Duration2>
- time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
- operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
-
- template <class Clock, class Duration1, class Rep2, class Period2>
- time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2> >::type>
- operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
-
- template <class Clock, class Duration1, class Duration2>
- typename common_type<Duration1, Duration2>::type
- operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
-
- // time_point comparisons
- template <class Clock, class Duration1, class Duration2>
- bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- template <class Clock, class Duration1, class Duration2>
- bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- template <class Clock, class Duration1, class Duration2>
- bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- template <class Clock, class Duration1, class Duration2>
- bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- template <class Clock, class Duration1, class Duration2>
- bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- template <class Clock, class Duration1, class Duration2>
- bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
-
- // time_point_cast
- template <class ToDuration, class Clock, class Duration>
- time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t);
-
- // Clocks
- class system_clock;
- class monotonic_clock;
- class high_resolution_clock;
-
-}
-}
-</pre>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp._clock__requirements"></a>Clock Requirements
-</h4></div></div></div>
-
- A clock represents a bundle consisting of a native <code class="computeroutput">duration</code>,
- a native <code class="computeroutput">time_point</code>, and
- a function <code class="computeroutput">now()</code>
- to get the current <code class="computeroutput">time_point</code>.
- A clock must meet the requirements in the following Table.
- 
-
- In this table <code class="computeroutput">C1</code> and <code class="computeroutput">C2</code> denote <code class="computeroutput">clock</code>
- types. <code class="computeroutput">t1</code> and <code class="computeroutput">t2</code> are values returned from <code class="computeroutput">C1::now()</code>
- where the call returning <code class="computeroutput">t1</code>
- happens before the call returning <code class="computeroutput">t2</code>
- and both of these calls happen before <code class="computeroutput">C1::time_point::max()</code>.
- 
-<div class="table">
-<a name="id4829637"></a>Table 1. Clock Requirements
-<table class="table" summary="Clock Requirements">
-<colgroup>
-<col>
-<col>
-<col>
-</colgroup>
-<thead><tr>
-<th>
- 
- expression
- 
- </th>
-<th>
- 
- return type
- 
- </th>
-<th>
- 
- operational semantics
- 
- </th>
-</tr></thead>
-<tbody>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::rep</code>
- 
- </td>
-<td>
- 
- An arithmetic type or class emulating an arithmetic type.
- 
- </td>
-<td>
- 
- The representation type of the native <code class="computeroutput">duration</code>
- and <code class="computeroutput">time_point</code>.
- 
- </td>
-</tr>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::period</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">ratio</code>
- 
- </td>
-<td>
- 
- The tick period of the clock in seconds.
- 
- </td>
-</tr>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::duration</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">chrono::duration<C1::rep,
- C1::period></code>
- 
- </td>
-<td>
- 
- The native <code class="computeroutput">duration</code>
- type of the <code class="computeroutput">clock</code>.
- 
- </td>
-</tr>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::time_point</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">chrono::time_point<C1>
- or chrono::time_point<C2, C1::duration></code>
- 
- </td>
-<td>
- 
- The native <code class="computeroutput">time_point</code>
- type of the <code class="computeroutput">clock</code>.
- Different clocks are permitted to share a <code class="computeroutput">time_point</code>
- definition if it is valid to compare their time_points by comparing
- their respective <code class="computeroutput">duration</code>s.
- <code class="computeroutput">C1</code> and <code class="computeroutput">C2</code> must refer to the same epoch.
- 
- </td>
-</tr>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::is_monotonic</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">const bool</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">true</code> if <code class="computeroutput">t1 <=
- t2</code> is always <code class="computeroutput">true</code>, else <code class="computeroutput">false</code>.
- Note: A <code class="computeroutput">clock</code>
- that can be adjusted backwards is not monotonic
- 
- </td>
-</tr>
-<tr>
-<td>
- 
- <code class="computeroutput">C1::now()</code>
- 
- </td>
-<td>
- 
- <code class="computeroutput">C1::time_point</code>
- 
- </td>
-<td>
- 
- Returns a <code class="computeroutput">time_point</code>
- representing the current point in time.
- 
- </td>
-</tr>
-</tbody>
-</table>
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits" title="Time-related
- traits">Time-related
- traits</a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.treat_as_floating_point">
- Metafunction <code class="computeroutput">treat_as_floating_point<></code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values">
- Class template <code class="computeroutput">duration_values</code></a></dt>
-<dt>common_type specializations</dt>
-</dl></div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits.treat_as_floating_point"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.treat_as_floating_point" title="
- Metafunction treat_as_floating_point<>">
- Metafunction <code class="computeroutput">treat_as_floating_point<></code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep> struct treat_as_floating_point
- : boost::is_floating_point<Rep> {};
-</pre>
-
- The <code class="computeroutput">duration</code> template
- uses the <code class="computeroutput">treat_as_floating_point</code>
- trait to help determine if a <code class="computeroutput">duration</code>
- with one tick period can be converted to another <code class="computeroutput">duration</code>
- with a different tick period. If <code class="computeroutput">treat_as_floating_point<Rep>::value</code>
- is <code class="computeroutput">true</code>, then <code class="computeroutput">Rep</code> is a floating point type and implicit
- conversions are allowed among <code class="computeroutput">duration</code>s.
- Otherwise, the implicit convertibility depends on the tick periods of
- the <code class="computeroutput">duration</code>s. If <code class="computeroutput">Rep</code> is a class type which emulates
- a floating point type, the author of <code class="computeroutput">Rep</code>
- can specialize <code class="computeroutput">treat_as_floating_point</code>
- so that <code class="computeroutput">duration</code> will
- treat this <code class="computeroutput">Rep</code> as if
- it were a floating point type. Otherwise <code class="computeroutput">Rep</code>
- is assumed to be an integral type, or a class emulating an integral type.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits.duration_values"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values" title="
- Class template duration_values">
- Class template <code class="computeroutput">duration_values</code></a>
-</h5></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.zero">
- Static member function<code class="computeroutput">zero()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.max">
- Static member function <code class="computeroutput">max()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.min">
- Static member function <code class="computeroutput">min()</code></a></dt>
-</dl></div>
-<pre class="programlisting">template <class Rep>
-struct duration_values
-{
-public:
- static BOOST_CONSTEXPR Rep zero();
- static BOOST_CONSTEXPR Rep max();
- static BOOST_CONSTEXPR Rep min();
-};
-</pre>
-
- The <code class="computeroutput">duration</code> template
- uses the <code class="computeroutput">duration_values</code>
- trait to construct special values of the <code class="computeroutput">duration</code>s
- representation (<code class="computeroutput">Rep</code>).
- This is done because the representation might be a class type with behavior
- which requires some other implementation to return these special values.
- In that case, the author of that class type should specialize <code class="computeroutput">duration_values</code> to return the indicated
- values.
- 
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h6 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.zero"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.zero" title="
- Static member functionzero()">
- Static member function<code class="computeroutput">zero()</code></a>
-</h6></div></div></div>
-<pre class="programlisting">static BOOST_CONSTEXPR Rep zero();
-</pre>
-
- Returns: <code class="computeroutput">Rep(0)</code>.
- Note: <code class="computeroutput">Rep(0)</code>
- is specified instead of <code class="computeroutput">Rep()</code> since <code class="computeroutput">Rep()</code> may have some other meaning, such
- as an uninitialized value.
- 
-
- Remarks: The value returned corresponds
- to the additive identity.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h6 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.max"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.max" title="
- Static member function max()">
- Static member function <code class="computeroutput">max()</code></a>
-</h6></div></div></div>
-<pre class="programlisting">static BOOST_CONSTEXPR Rep max();
-</pre>
-
- Returns: <code class="computeroutput">numeric_limits<Rep>::max()</code>.
- 
-
- Remarks: The value returned compares
- greater than zero().
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h6 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.min"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_related_traits.duration_values.min" title="
- Static member function min()">
- Static member function <code class="computeroutput">min()</code></a>
-</h6></div></div></div>
-<pre class="programlisting">static BOOST_CONSTEXPR Rep min();
-</pre>
-
- Returns: <code class="computeroutput">numeric_limits<Rep>::lowest()</code>.
- 
-
- Remarks: The value returned compares
- less than or equal to <code class="computeroutput">zero()</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_related_traits._common_type__specializations"></a>common_type specializations
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2> >
-{
- typedef chrono::duration<typename common_type<Rep1, Rep2>::type, see below> type;
-};
-</pre>
-
- The period of the <code class="computeroutput">duration</code>
- indicated by this specialization of <code class="computeroutput">common_type</code>
- is the greatest common divisor of <code class="computeroutput">Period1</code>
- and <code class="computeroutput">Period2</code>. This can
- be computed by forming a <code class="computeroutput">ratio</code>
- of the greatest common divisor of <code class="computeroutput">Period1::num</code>
- and <code class="computeroutput">Period2::num</code>, and the least common multiple
- of <code class="computeroutput">Period1::den</code> and <code class="computeroutput">Period2::den</code>.
- 
-
- Note: The typedef type is the <code class="computeroutput">duration</code> with the largest tick period
- possible where both <code class="computeroutput">duration</code>
- arguments will convert to it without requiring a division operation.
- The representation of this type is intended to be able to hold any value
- resulting from this conversion, with the possible exception of round-off
- error when floating point <code class="computeroutput">duration</code>s
- are involved (but not truncation error).
- 
-<pre class="programlisting">template <class Clock, class Duration1, class Duration2>
-struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2> >
-{
- typedef chrono::time_point<Clock, typename common_type<Duration1, Duration2>::type> type;
-};
-</pre>
-
- The <code class="computeroutput">common_type</code> of two
- <code class="computeroutput">time_point</code>s is a <code class="computeroutput">time_point</code> with the same <code class="computeroutput">clock</code> (both have the same <code class="computeroutput">clock</code>), and the <code class="computeroutput">common_type</code>
- of the two <code class="computeroutput">duration</code>s.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_" title="Class
- template duration">Class
- template <code class="computeroutput">duration</code></a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_1">
- Constructor <code class="computeroutput">duration(const Rep2&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_2">
- Constructor <code class="computeroutput">duration(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.count">
- Member function <code class="computeroutput">count()
- const</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_p">
- Member function <code class="computeroutput">operator+()
- const</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_m">
- Member function <code class="computeroutput">operator+()
- const</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp">
- Member function <code class="computeroutput">operator++()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp2">
- Member function <code class="computeroutput">operator++(int)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm">
- Member function <code class="computeroutput">operator++()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm2">
- Member function <code class="computeroutput">operator++(int)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pa">
- Member function <code class="computeroutput">operator+=(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_ma">
- Member function <code class="computeroutput">operator-=(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda">
- Member function <code class="computeroutput">operator%=(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_proda">
- Member function <code class="computeroutput">operator*=(const rep&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_da">
- Member function <code class="computeroutput">operator/=(const rep&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda_2">
- Member function <code class="computeroutput">operator%=(const rep&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_zero">
- Static Member function <code class="computeroutput">zero()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_min">
- Static Member function <code class="computeroutput">min()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_max">
- Static Member function <code class="computeroutput">max()</code></a></dt>
-</dl></div>
-
- A <code class="computeroutput">duration</code> measures time
- between two points in time (<code class="computeroutput">time_point</code>).
- A <code class="computeroutput">duration</code> has a representation
- which holds a count of ticks, and a tick period. The tick period is the
- amount of time which occurs from one tick to another in units of a second.
- It is expressed as a rational constant using <code class="computeroutput">ratio</code>.
- 
-<pre class="programlisting">namespace boost { namespace chrono {
-
- template <class Rep, class Period>
- class duration {
- public:
- typedef Rep rep;
- typedef Period period;
- private:
- rep rep_; // exposition only
- public:
- BOOST_CONSTEXPR duration() {} // = default;
- template <class Rep2>
- BOOST_CONSTEXPR explicit duration(const Rep2& r,
- typename boost::enable_if_c
- <
- boost::is_convertible<Rep2, rep>::value
- && (treat_as_floating_point<rep>::value
- || (!treat_as_floating_point<rep>::value
- && !treat_as_floating_point<Rep2>::value))
- >::type* = 0);
-
- template <class Rep2, class Period2>
- BOOST_CONSTEXPR duration(const duration<Rep2, Period2>& d,
- typename boost::enable_if_c
- <
- treat_as_floating_point<rep>::value
- || (ratio_divide<Period2, period>::type::den == 1
- && !treat_as_floating_point<Rep2>::value)
- >::type* = 0);
-
- //~duration() = default;
- //duration(const duration&) = default;
- //duration& operator=(const duration&) = default;
-
- BOOST_CONSTEXPR rep count() const;
-
- BOOST_CONSTEXPR duration operator+();
- BOOST_CONSTEXPR duration operator-();
- duration& operator++();
- duration operator++(int);
- duration& operator--();
- duration operator--(int);
-
- duration& operator+=(const duration& d);
- duration& operator-=(const duration& d);
-
- duration& operator*=(const rep& rhs);
- duration& operator/=(const rep& rhs);
- duration& operator%=(const rep& rhs);
- duration& operator%=(const duration& rhs);
-
- static BOOST_CONSTEXPR duration zero();
- static BOOST_CONSTEXPR duration min();
- static BOOST_CONSTEXPR duration max();
- };
-
-}}
-</pre>
-
- Rep must be an arithmetic type, or a class emulating an arithmetic type.
- If <code class="computeroutput">duration</code> is instantiated
- with the type of <code class="computeroutput">Rep</code> being
- a <code class="computeroutput">duration</code>, a diagnostic
- is required.
- 
-
- Period must be an instantiation of <code class="computeroutput">ratio</code>,
- compile diagnostic otherwise.
- 
-
- Period::num must be positive, compile diagnostic otherwise.
- 
-
- Examples:
- 
-<pre class="programlisting">duration<long, ratio<60> > holds a count of minutes using a long.
-
-duration<long long, milli> holds a count of milliseconds using a long long.
-
-duration<double, ratio<1, 30> > holds a count using a double with a tick period of 1/30 second (a tick fre
quency of 30 Hz).
-</pre>
-
- The following members of <code class="computeroutput">duration</code>
- do not throw an exception unless the indicated operations on the representations
- throw an exception.
- 
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_1" title="
- Constructor duration(const Rep2&)">
- Constructor <code class="computeroutput">duration(const Rep2&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep2>
-BOOST_CONSTEXPR explicit duration(const Rep2& r);
-</pre>
-
- Requires: <code class="computeroutput">Rep2</code>
- is implicitly convertible to <code class="computeroutput">rep</code>,
- and
- 
-<div class="itemizedlist"><ul type="disc">
-<li>
-<code class="computeroutput">treat_as_floating_point<rep>::value</code>
- is <code class="computeroutput">true</code>, or
- </li>
-<li>
-<code class="computeroutput">!treat_as_floating_point<rep>::value
- && !treat_as_floating_point<Rep2>::value</code> is <code class="computeroutput">true</code>.
- </li>
-</ul></div>
-
- A diagnostic is required if this requirement is not met. Note:
- This requirement prevents construction of an integral-based <code class="computeroutput">duration</code> with a floating point representation.
- Such a construction could easily lead to confusion about the value of
- the <code class="computeroutput">duration</code>.
- 
-
- Example:
- 
-<pre class="programlisting">duration<int, milli> d(3.5); // do not compile
-duration<int, milli> d(3); // ok
-</pre>
-
- Effects: Constructs an object of type
- <code class="computeroutput">duration</code>.
- 
-
- PostConditions: <code class="computeroutput">count() == static_cast<rep>(r)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_c_2" title="
- Constructor duration(const duration&)">
- Constructor <code class="computeroutput">duration(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep2, class Period2>
-BOOST_CONSTEXPR duration(const duration<Rep2, Period2>& d);
-</pre>
-
- Requires: <code class="computeroutput">treat_as_floating_point<rep>::value</code>,
- or <code class="computeroutput">ratio_divide<Period2,
- period>::type::den == 1</code>.
- 
-<pre class="programlisting">A diagnostic is required if this requirement is not met.
-</pre>
-
- note This requirement prevents implicit
- truncation error when converting between integral-based <code class="computeroutput">duration</code>s. Such a construction could
- easily lead to confusion about the value of the <code class="computeroutput">duration</code>.
- 
-
- Example:
- 
-<pre class="programlisting">duration<int, milli> ms(3);
-duration<int, micro> us = ms; // ok
-duration<int, milli> ms2 = us; // do not compile
-</pre>
-
- Effects: Constructs an object of type
- <code class="computeroutput">duration</code>, constructing
- <code class="computeroutput">rep_</code> from <code class="computeroutput">duration_cast<duration>(d).count()</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.count"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.count" title="
- Member function count()
- const">
- Member function <code class="computeroutput">count()
- const</code></a>
-</h5></div></div></div>
-<pre class="programlisting">BOOST_CONSTEXPR rep count() const;
-</pre>
-
- Returns: `rep_v.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_p"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_p" title="
- Member function operator+()
- const">
- Member function <code class="computeroutput">operator+()
- const</code></a>
-</h5></div></div></div>
-<pre class="programlisting">BOOST_CONSTEXPR duration operator+() const;
-</pre>
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_m"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_m" title="
- Member function operator+()
- const">
- Member function <code class="computeroutput">operator+()
- const</code></a>
-</h5></div></div></div>
-<pre class="programlisting">BOOST_CONSTEXPR duration operator-() const;
-</pre>
-
- Returns: <code class="computeroutput">duration(-rep_)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp" title="
- Member function operator++()">
- Member function <code class="computeroutput">operator++()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator++();
-</pre>
-
- Effects: <code class="computeroutput">++rep_</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pp2" title="
- Member function operator++(int)">
- Member function <code class="computeroutput">operator++(int)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration operator++(int);
-</pre>
-
- Returns: `duration(rep_++)v.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm" title="
- Member function operator++()">
- Member function <code class="computeroutput">operator++()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator--();
-</pre>
-
- Effects: <code class="computeroutput">--rep_</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_mm2" title="
- Member function operator++(int)">
- Member function <code class="computeroutput">operator++(int)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration operator--(int);
-</pre>
-
- Returns: <code class="computeroutput">duration(rep_--)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pa"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_pa" title="
- Member function operator+=(const duration&)">
- Member function <code class="computeroutput">operator+=(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator+=(const duration& d);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- += d.count()</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_ma"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_ma" title="
- Member function operator-=(const duration&)">
- Member function <code class="computeroutput">operator-=(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator-=(const duration& d);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- -= d.count()</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda" title="
- Member function operator%=(const duration&)">
- Member function <code class="computeroutput">operator%=(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator%=(const duration& d);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- %= d.count()</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_proda"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_proda" title="
- Member function operator*=(const rep&)">
- Member function <code class="computeroutput">operator*=(const rep&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator*=(const rep& rhs);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- *= rhs</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_da"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_da" title="
- Member function operator/=(const rep&)">
- Member function <code class="computeroutput">operator/=(const rep&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator/=(const rep& rhs);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- /= rhs</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_operator_moda_2" title="
- Member function operator%=(const rep&)">
- Member function <code class="computeroutput">operator%=(const rep&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration& operator%=(const rep& rhs);
-</pre>
-
- Effects: <code class="computeroutput">rep_
- %= rhs</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_zero"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_zero" title="
- Static Member function zero()">
- Static Member function <code class="computeroutput">zero()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">static duration zero();
-</pre>
-
- Returns: <code class="computeroutput">duration(duration_values<rep>::zero())</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_min"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_min" title="
- Static Member function min()">
- Static Member function <code class="computeroutput">min()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">static duration min();
-</pre>
-
- Returns: <code class="computeroutput">duration(duration_values<rep>::min()).</code>
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__duration_.duration_max"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__duration_.duration_max" title="
- Static Member function max()">
- Static Member function <code class="computeroutput">max()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">static constexpr duration max();
-</pre>
-
- Returns: <code class="computeroutput">duration(duration_values<rep>::max())</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic" title="duration
- non-member arithmetic">duration
- non-member arithmetic</a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_p_1">
- Non-Member function <code class="computeroutput">operator+(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_m_1">
- Non-Member function <code class="computeroutput">operator-(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_prod_1">
- Non-Member function <code class="computeroutput">operator*(Rep1,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_1">
- Non-Member function <code class="computeroutput">operator/(duration,Rep2)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_2">
- Non-Member function <code class="computeroutput">operator/(duration,duration)</code></a></dt>
-</dl></div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_p_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_p_1" title="
- Non-Member function operator+(duration,duration)">
- Non-Member function <code class="computeroutput">operator+(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2> >::type
-operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">CD(lhs) += rhs</code> where <code class="computeroutput">CD</code>
- is the type of the return value.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_m_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_m_1" title="
- Non-Member function operator-(duration,duration)">
- Non-Member function <code class="computeroutput">operator-(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2> >::type
-operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">CD(lhs) -= rhs</code> where <code class="computeroutput">CD</code>
- is the type of the return value.
- 
-<pre class="programlisting">template <class Rep1, class Period, class Rep2>
-duration<typename common_type<Rep1, Rep2>::type, Period>
-operator*(const duration<Rep1, Period>& d, const Rep2& s);
-</pre>
-
- Requires: Let <code class="computeroutput">CR</code>
- represent the <code class="computeroutput">common_type</code>
- of <code class="computeroutput">Rep1</code> and <code class="computeroutput">Rep2</code>. This function will not participate
- in overload resolution unless both <code class="computeroutput">Rep1</code>
- and <code class="computeroutput">Rep2</code> are implicitly
- convertible to <code class="computeroutput">CR</code>.
- 
-
- Returns: <code class="computeroutput">duration<CR, Period>(d) *= s</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_prod_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_prod_1" title="
- Non-Member function operator*(Rep1,duration)">
- Non-Member function <code class="computeroutput">operator*(Rep1,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period, class Rep2>
-duration<typename common_type<Rep1, Rep2>::type, Period>
-operator*(const Rep1& s, const duration<Rep2, Period>& d);
-</pre>
-
- Requires: Let <code class="computeroutput">CR</code>
- represent the <code class="computeroutput">common_type</code>
- of <code class="computeroutput">Rep1</code> and <code class="computeroutput">Rep2</code>. This function will not participate
- in overload resolution unless both <code class="computeroutput">Rep1</code>
- and <code class="computeroutput">Rep2</code> are implicitly
- convertible to <code class="computeroutput">CR</code>.
- 
-
- Returns: <code class="computeroutput">d
- * s</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_1" title="
- Non-Member function operator/(duration,Rep2)">
- Non-Member function <code class="computeroutput">operator/(duration,Rep2)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period, class Rep2>
-duration<typename common_type<Rep1, Rep2>::type, Period>
-operator/(const duration<Rep1, Period>& d, const Rep2& s);
-</pre>
-
- Requires: Let <code class="computeroutput">CR</code>
- represent the <code class="computeroutput">common_type</code>
- of <code class="computeroutput">Rep1</code> and <code class="computeroutput">Rep2</code>. This function will not participate
- in overload resolution unless both <code class="computeroutput">Rep1</code>
- and <code class="computeroutput">Rep2</code> are implicitly
- convertible to <code class="computeroutput">CR</code>, and
- <code class="computeroutput">Rep2</code> is not an instantiation
- of <code class="computeroutput">duration</code>.
- 
-
- Returns: <code class="computeroutput">duration<CR, Period>(d) /= s</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_non_member_arithmetic.duration_operator_d_2" title="
- Non-Member function operator/(duration,duration)">
- Non-Member function <code class="computeroutput">operator/(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-typename common_type<Rep1, Rep2>::type
-operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: Let <code class="computeroutput">CD</code>
- represent the <code class="computeroutput">common_type</code>
- of the two <code class="computeroutput">duration</code> arguments.
- Returns <code class="computeroutput">CD(lhs).count() / CD(rhs).count()</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons" title="duration
- comparaisons">duration
- comparaisons</a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_eq_1">
- Non-Member function <code class="computeroutput">operator==(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_neq_1">
- Non-Member function <code class="computeroutput">operator!=(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_lt_1">
- Non-Member function <code class="computeroutput">operator<(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_leq_1">
- Non-Member function <code class="computeroutput">operator<=(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gt_1">
- Non-Member function <code class="computeroutput">operator>(duration,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gteq_1">
- Non-Member function <code class="computeroutput">operator>=(duration,duration)</code></a></dt>
-</dl></div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_eq_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_eq_1" title="
- Non-Member function operator==(duration,duration)">
- Non-Member function <code class="computeroutput">operator==(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: Let <code class="computeroutput">CD</code>
- represent the <code class="computeroutput">common_type</code>
- of the two <code class="computeroutput">duration</code> arguments.
- Returns <code class="computeroutput">CD(lhs).count() == CD(rhs).count()</code>
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_neq_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_neq_1" title="
- Non-Member function operator!=(duration,duration)">
- Non-Member function <code class="computeroutput">operator!=(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">!(lhs == rhs)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_lt_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_lt_1" title="
- Non-Member function operator<(duration,duration)">
- Non-Member function <code class="computeroutput">operator<(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: Let <code class="computeroutput">CD</code>
- represent the <code class="computeroutput">common_type</code>
- of the two <code class="computeroutput">duration</code> arguments.
- Returns <code class="computeroutput">CD(lhs).count() < CD(rhs).count()</code>
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_leq_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_leq_1" title="
- Non-Member function operator<=(duration,duration)">
- Non-Member function <code class="computeroutput">operator<=(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">!(rhs <
- lhs)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gt_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gt_1" title="
- Non-Member function operator>(duration,duration)">
- Non-Member function <code class="computeroutput">operator>(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">rhs
- < lhs</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gteq_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_comparaisons.duration_operator_gteq_1" title="
- Non-Member function operator>=(duration,duration)">
- Non-Member function <code class="computeroutput">operator>=(duration,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Rep2, class Period2>
-bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">!(lhs <
- rhs)</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.duration_cast"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.duration_cast" title=" Non-Member
- function duration_cast(duration)"> Non-Member
- function <code class="computeroutput">duration_cast(duration)</code></a>
-</h4></div></div></div>
-<pre class="programlisting">template <class ToDuration, class Rep, class Period>
-ToDuration duration_cast(const duration<Rep, Period>& d);
-</pre>
-
- Requires: This function will not participate
- in overload resolution unless <code class="computeroutput">ToDuration</code>
- is an instantiation of <code class="computeroutput">duration</code>.
- 
-
- Returns: Forms <code class="computeroutput">CF</code>
- which is a <code class="computeroutput">ratio</code> resulting
- from <code class="computeroutput">ratio_divide<Period, typename ToDuration::period>::type</code>.
- Let <code class="computeroutput">CR</code> be the <code class="computeroutput">common_type</code> of <code class="computeroutput">ToDuration::rep</code>,
- <code class="computeroutput">Rep</code>, and <code class="computeroutput">intmax_t</code>.
- 
-<div class="itemizedlist"><ul type="disc">
-<li>
- If <code class="computeroutput">CF::num == 1</code> and <code class="computeroutput">CF::den == 1</code>, then
- returns <code class="computeroutput">ToDuration(static_cast<typename ToDuration::rep>(d.count())) </code>
-</li>
-<li>
- else if <code class="computeroutput">CF::num != 1</code> and <code class="computeroutput">CF::den == 1</code>, then
- returns <code class="computeroutput">ToDuration(static_cast<typename ToDuration::rep>(static_cast<CR>(d.count()) * static_cast<CR>(CF::num)))</code>
-</li>
-<li>
- else if <code class="computeroutput">CF::num == 1</code> and <code class="computeroutput">CF::den != 1</code>, then
- returns <code class="computeroutput">ToDuration(static_cast<typename ToDuration::rep>(static_cast<CR>(d.count()) / static_cast<CR>(CF::den)))</code>
-</li>
-<li>
- else returns <code class="computeroutput">ToDuration(static_cast<typename
- ToDuration::rep>(static_cast<CR>(d.count())
- * static_cast<CR>(CF::num) / static_cast<CR>(CF::den)))</code>
-</li>
-</ul></div>
-
- Remarks: This function does not rely on
- any implicit conversions. All conversions must be accomplished through
- <code class="computeroutput">static_cast</code>. The implementation
- avoids all multiplications or divisions when it is known at compile time
- that it can be avoided because one or more arguments are <code class="computeroutput">1</code>. All intermediate computations are carried
- out in the widest possible representation and only converted to the destination
- representation at the final step.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_" title="Class
- template time_point">Class
- template <code class="computeroutput">time_point</code></a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_1">
- Constructor <code class="computeroutput">time_point()</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_2">
- Constructor <code class="computeroutput">time_point(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_3">
- Constructor <code class="computeroutput">time_point(const duration&)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_since_epoch">
- Member function <code class="computeroutput">time_since_epoch() const</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_pe">
- Member function <code class="computeroutput">operator+=</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_me">
- Member function <code class="computeroutput">operator-=</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_min">
- Static Member function <code class="computeroutput">min</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_max">
- Static Member function <code class="computeroutput">max</code></a></dt>
-</dl></div>
-
- A <code class="computeroutput">time_point</code> represents
- a point in time with respect to a specific clock.
- 
-<pre class="programlisting">template <class Clock, class Duration>
-class time_point {
-public:
- typedef Clock clock;
- typedef Duration duration;
- typedef typename duration::rep rep;
- typedef typename duration::period period;
-private:
- duration d_; // exposition only
-public:
- time_point();
- explicit time_point(const duration& d);
-
- // conversions
- template <class Duration2>
- time_point(const time_point<clock, Duration2>& t,
- typename boost::enable_if
- <
- boost::is_convertible<Duration2, duration>
- >::type* = 0);
-
- // observer
-
- duration time_since_epoch() const;
-
- // arithmetic
-
- time_point& operator+=(const duration& d);
- time_point& operator-=(const duration& d);
-
- // special values
-
- static BOOST_CONSTEXPR time_point min();
- static BOOST_CONSTEXPR time_point max();
-};
-</pre>
-
- Clock must meet the Clock Requirements.
- 
-
- Duration must be an instantiation of <code class="computeroutput">duration</code>,
- compile diagnostic otherwise.
- 
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_1" title="
- Constructor time_point()">
- Constructor <code class="computeroutput">time_point()</code></a>
-</h5></div></div></div>
-<pre class="programlisting">time_point();
-</pre>
-
- Effects: Constructs an object of <code class="computeroutput">time_point</code>, initializing <code class="computeroutput">d_</code> with <code class="computeroutput">duration::zero()</code>. This <code class="computeroutput">time_point</code>
- represents the epoch.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_2" title="
- Constructor time_point(const duration&)">
- Constructor <code class="computeroutput">time_point(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">time_point(const duration& d);
-</pre>
-
- Effects: Constructs an object of <code class="computeroutput">time_point</code>, initializing <code class="computeroutput">d_</code> with <code class="computeroutput">d</code>.
- This <code class="computeroutput">time_point</code> represents
- the epoch <code class="computeroutput">+ d</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_3"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_c_3" title="
- Constructor time_point(const duration&)">
- Constructor <code class="computeroutput">time_point(const duration&)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Duration2> time_point(const time_point<clock, Duration2>& t);
-</pre>
-
- Requires: This function will not participate
- in overload resolution unless <code class="computeroutput">Duration2</code>
- is implicitly convertible to <code class="computeroutput">duration</code>.
- 
-
- Effects: Constructs an object of <code class="computeroutput">time_point</code>, initializing <code class="computeroutput">d_</code> with <code class="computeroutput">t.time_since_epoch()</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_since_epoch"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_since_epoch" title="
- Member function time_since_epoch() const">
- Member function <code class="computeroutput">time_since_epoch() const</code></a>
-</h5></div></div></div>
-<pre class="programlisting">duration time_since_epoch() const;
-</pre>
-
- Returns: <code class="computeroutput">d_</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_pe"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_pe" title="
- Member function operator+=">
- Member function <code class="computeroutput">operator+=</code></a>
-</h5></div></div></div>
-<pre class="programlisting">time_point& operator+=(const duration& d);
-</pre>
-
- Effects: <code class="computeroutput">d_
- += d</code>.
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_me"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_operator_me" title="
- Member function operator-=">
- Member function <code class="computeroutput">operator-=</code></a>
-</h5></div></div></div>
-<pre class="programlisting">time_point& operator-=(const duration& d);
-</pre>
-
- Effects: <code class="computeroutput">d_
- -= d</code>
- 
-
- Returns: <code class="computeroutput">*this</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_min"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_min" title="
- Static Member function min">
- Static Member function <code class="computeroutput">min</code></a>
-</h5></div></div></div>
-<pre class="programlisting">static BOOST_CONSTEXPR time_point min();
-</pre>
-
- Returns: <code class="computeroutput">time_point(duration::min())</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_max"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class_template__time_point_.time_point_max" title="
- Static Member function max">
- Static Member function <code class="computeroutput">max</code></a>
-</h5></div></div></div>
-<pre class="programlisting">static BOOST_CONSTEXPR time_point max();
-</pre>
-
- Returns: <code class="computeroutput">time_point(duration::max())</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic" title="time_point
- non-member arithmetic">time_point
- non-member arithmetic</a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_1">
- Non-Member function <code class="computeroutput">operator+(time_point,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_2">
- Non-Member function <code class="computeroutput">operator+(duration,time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_1">
- Non-Member function <code class="computeroutput">operator-(time_point,duration)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_2">
- Non-Member function <code class="computeroutput">operator-(duration,time_point)</code></a></dt>
-</dl></div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_1" title="
- Non-Member function operator+(time_point,duration)">
- Non-Member function <code class="computeroutput">operator+(time_point,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Rep2, class Period2>
-time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2> >::type>
-operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">CT(lhs) += rhs</code> where <code class="computeroutput">CT</code>
- is the type of the return value.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_p_2" title="
- Non-Member function operator+(duration,time_point)">
- Non-Member function <code class="computeroutput">operator+(duration,time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Rep1, class Period1, class Clock, class Duration2>
-time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
-operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">rhs
- + lhs</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_1"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_1" title="
- Non-Member function operator-(time_point,duration)">
- Non-Member function <code class="computeroutput">operator-(time_point,duration)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Rep2, class Period2>
-time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2> >::type>
-operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">lhs
- + (-rhs)</code>.
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-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_2"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_non_member_arithmetic.time_point_operator_m_2" title="
- Non-Member function operator-(duration,time_point)">
- Non-Member function <code class="computeroutput">operator-(duration,time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Duration2>
-typename common_type<Duration1, Duration2>::type
-operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">lhs.time_since_epoch() - rhs.time_since_epoch()</code>.
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-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
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- Non-Member function <code class="computeroutput">operator==(time_point,time_point)</code></a></dt>
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- Non-Member function <code class="computeroutput">operator!=(time_point,time_point)</code></a></dt>
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- Non-Member function <code class="computeroutput">operator<(time_point,time_point)</code></a></dt>
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- Non-Member function <code class="computeroutput">operator<=(time_point,time_point)</code></a></dt>
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- Non-Member function <code class="computeroutput">operator>(time_point,time_point)</code></a></dt>
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- Non-Member function <code class="computeroutput">time_point_cast(time_point)</code></a></dt>
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-<div class="section" lang="en">
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- Non-Member function operator==(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator==(time_point,time_point)</code></a>
-</h5></div></div></div>
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-bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">lhs.time_since_epoch() == rhs.time_since_epoch()</code>.
- 
-</div>
-<div class="section" lang="en">
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- Non-Member function operator!=(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator!=(time_point,time_point)</code></a>
-</h5></div></div></div>
-
- template <class Clock, class Duration1, class Duration2> bool operator!=(const
- time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- 
-
- Returns: <code class="computeroutput">!(lhs == rhs)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
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- Non-Member function operator<(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator<(time_point,time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Duration2>
-bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: lhs.time_since_epoch() <
- rhs.time_since_epoch().
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_leq"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_leq" title="
- Non-Member function operator<=(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator<=(time_point,time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Duration2>
-bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">!(rhs <
- lhs)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_gt"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_gt" title="
- Non-Member function operator>(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator>(time_point,time_point)</code></a>
-</h5></div></div></div>
-
- template <class Clock, class Duration1, class Duration2> bool operator>
- (const time_point<Clock, Duration1>& lhs, const time_point<Clock,
- Duration2>& rhs);
- 
-
- Returns: <code class="computeroutput">rhs
- < lhs</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_geq"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_operator_geq" title="
- Non-Member function operator>=(time_point,time_point)">
- Non-Member function <code class="computeroutput">operator>=(time_point,time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class Clock, class Duration1, class Duration2>
-bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
-</pre>
-
- Returns: <code class="computeroutput">!(lhs <
- rhs)</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_cast"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.time_point_comparisons.time_point_cast" title="
- Non-Member function time_point_cast(time_point)">
- Non-Member function <code class="computeroutput">time_point_cast(time_point)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">template <class ToDuration, class Clock, class Duration>
-time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t);
-</pre>
-
- Requires: This function will not participate
- in overload resolution unless <code class="computeroutput">ToDuration</code>
- is an instantiation of <code class="computeroutput">duration</code>.
- 
-
- Returns: <code class="computeroutput">time_point<Clock, ToDuration>(duration_cast<ToDuration>(t.time_since_epoch()))</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class__system_clock_"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_" title="Class
- system_clock">Class
- <code class="computeroutput">system_clock</code></a>
-</h4></div></div></div>
-<div class="toc"><dl>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.to_time_t">
- Static member function <code class="computeroutput">to_time_t(time_point)</code></a></dt>
-<dt><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.from_time_t">
- Static member function <code class="computeroutput">from_time_t(time_t)</code></a></dt>
-</dl></div>
-
- The <code class="computeroutput">system_clock</code> class
- provides a means of obtaining the current wall-clock time from the system-wide
- real-time clock. The current time can be obtained by calling <code class="computeroutput">system_clock::now()</code>.
- Instances of <code class="computeroutput">system_clock::time_point</code>
- can be converted to and from time_t with the <code class="computeroutput">system_clock::to_time_t()</code> and <code class="computeroutput">system_clock::to_time_point()</code> functions. If system clock is not monotonic,
- a subsequent call to <code class="computeroutput">system_clock::now()</code> may return an earlier time than a previous
- call (e.g. if the operating system clock is manually adjusted, or synchronized
- with an external clock).
- 
-<pre class="programlisting">class system_clock {
-public:
- typedef BOOST_SYSTEM_CLOCK_DURATION duration;
- typedef duration::rep rep;
- typedef duration::period period;
- typedef chrono::time_point<system_clock> time_point;
- static const bool is_monotonic = false;
-
- static time_point now(); // throws on error
- static time_point now(system::error_code & ec); // never throws
-
- static std::time_t to_time_t(const time_point& t);
- static time_point from_time_t(std::time_t t);
-};
-</pre>
-
- <code class="computeroutput">system_clock</code> satisfy the
- Clock Requirements. In addition:
- 
-<div class="itemizedlist"><ul type="disc"><li>
-<code class="computeroutput">system_clock::duration::min() < system_clock::duration::zero()</code> is <code class="computeroutput">true</code>.
- </li></ul></div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class__system_clock_.to_time_t"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.to_time_t" title="
- Static member function to_time_t(time_point)">
- Static member function <code class="computeroutput">to_time_t(time_point)</code></a>
-</h5></div></div></div>
-
- time_t to_time_t(const time_point& t);
- 
-
- Returns: A <code class="computeroutput">time_t</code>
- such that the <code class="computeroutput">time_t</code>
- and <code class="computeroutput">t</code> represent the same
- point in time, truncated to the courser of the precisions among <code class="computeroutput">time_t</code> and <code class="computeroutput">t</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class__system_clock_.from_time_t"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__system_clock_.from_time_t" title="
- Static member function from_time_t(time_t)">
- Static member function <code class="computeroutput">from_time_t(time_t)</code></a>
-</h5></div></div></div>
-<pre class="programlisting">time_point from_time_t(time_t t);
-</pre>
-
- Returns: A <code class="computeroutput">time_point</code>
- such that the <code class="computeroutput">time_point</code>
- and <code class="computeroutput">t</code> represent the same
- point in time, truncated to the courser of the precisions among <code class="computeroutput">time_point</code> and <code class="computeroutput">t</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class__monotonic_clock_"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__monotonic_clock_" title="Class
- monotonic_clock">Class
- <code class="computeroutput">monotonic_clock</code></a>
-</h4></div></div></div>
-
- <code class="computeroutput">monotonic_clock</code> satisfy
- the Clock Requirements.
- 
-
- <code class="computeroutput">monotonic_clock</code> class provides
- access to the system-wide monotonic clock. The current time can be obtained
- by calling <code class="computeroutput">monotonic_clock::now()</code>. There is no fixed relationship between
- values returned by <code class="computeroutput">monotonic_clock::now()</code> and wall-clock time.
- 
-<pre class="programlisting">#ifdef BOOST_HAS_CLOCK_MONOTONIC
- class BOOST_CHRONO_DECL monotonic_clock {
- public:
- typedef nanoseconds duration;
- typedef duration::rep rep;
- typedef duration::period period;
- typedef chrono::time_point<monotonic_clock> time_point;
- static const bool is_monotonic = true;
-
- static time_point now(); // throws on error
- static time_point now(system::error_code & ec); // never throws
- };
-#endif
-</pre>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.chrono_hpp.class__high_resolution_clock_"></a><a href="chrono_hpp.html#boost_chrono.reference.chrono_hpp.class__high_resolution_clock_" title="Class
- high_resolution_clock">Class
- <code class="computeroutput">high_resolution_clock</code></a>
-</h4></div></div></div>
-
- <code class="computeroutput">high_resolution_clock</code> satisfy
- the Clock Requirements.
- 
-<pre class="programlisting">#ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
- typedef monotonic_clock high_resolution_clock; // as permitted by [time.clock.hires]
-#else
- typedef system_clock high_resolution_clock; // as permitted by [time.clock.hires]
-#endif
-</pre>
-</div>
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="ratio_hpp.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="timer_hpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

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==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/common_type_hpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,94 +0,0 @@
-<html>
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-</head>
-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
-<table cellpadding="2" width="100%"><tr>
-<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
-<td align="center">Home</td>
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-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.reference.common_type_hpp"></a> Header <boost/type_traits/common_type.hpp>
-</h3></div></div></div>
-<div class="toc"><dl><dt><a href="common_type_hpp.html#boost_chrono.reference.common_type_hpp.common_type">
- Class Template <code class="computeroutput">common_type</code></a></dt></dl></div>
-<pre class="programlisting">namespace boost {
- template <class ...T> struct common_type;
-}
-</pre>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.common_type_hpp.common_type"></a><a href="common_type_hpp.html#boost_chrono.reference.common_type_hpp.common_type" title="
- Class Template common_type">
- Class Template <code class="computeroutput">common_type</code></a>
-</h4></div></div></div>
-
- <code class="computeroutput">common_type</code> is a facility
- which is useful in specifying the type of the result of functions and operators
- which take a variety of types (e.g. "mixed mode" complex arithmetic).
- 
-
- The nested typedef <code class="computeroutput">common_type::type</code>
- could be defined as follows:
- 
-<pre class="programlisting">template <class T, class U = void, class V = void>
-struct common_type {
- typedef typename common_type<typename common_type<T, U>::type, V>::type type;
-};
-
-template <class T>
-struct common_type<T, void, void> {
- typedef T type;
-};
-
-template <class T, class U>
-struct common_type<T, U, void> {
-private:
- static T m_t();
- static U m_u();
- static bool m_f(); // workaround gcc bug; not required by std
-public:
- typedef BOOST_TYPEOF_TPL(m_f() ? m_t() : m_u()) type;
-};
-</pre>
-
- All parameter types must be complete. This trait is permitted to be specialized
- by a user if at least one template parameter is a user-defined type.
- 
-
- Note: Such specializations are required
- when only explicit conversions are desired among the <code class="computeroutput">common_type</code>
- arguments.
- 
-</div>
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="../reference.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="ratio_hpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/process_times_hpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/process_times_hpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,230 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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-<td align="center">Home</td>
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-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.reference.process_times_hpp"></a> Header <boost/chrono/process_times.hpp>
-</h3></div></div></div>
-<div class="toc"><dl>
-<dt><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_clock_">Class
- <code class="computeroutput">process_clock</code></a></dt>
-<dd><dl><dt><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_clock_.class__process_times_">Class
- <code class="computeroutput">process_times</code></a></dt></dl></dd>
-<dt><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_timer_">Class
- <code class="computeroutput">process_timer</code></a></dt>
-<dt><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__run_timer_">Class
- <code class="computeroutput">run_timer</code></a></dt>
-</dl></div>
-<pre class="programlisting">namespace boost { namespace chrono {
-
- class process_clock;
- class process_timer;
- class run_timer;
-
-} }
-</pre>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.process_times_hpp.class__process_clock_"></a><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_clock_" title="Class
- process_clock">Class
- <code class="computeroutput">process_clock</code></a>
-</h4></div></div></div>
-<div class="toc"><dl><dt><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_clock_.class__process_times_">Class
- <code class="computeroutput">process_times</code></a></dt></dl></div>
-
- <code class="computeroutput">process_clock</code> doesn't satisfy
- the Clock Requirements as the function now do not follows the Clock prototype.
- 
-
- <code class="computeroutput">process_clock</code> provides
- a thin wrapper around the operating system's process timer API. For POSIX-like
- systems, that's the times() function, while for Windows, it's the GetProcessTimes()
- function.
- 
-
- The process relative real, user and system current time can be obtained
- at once by calling <code class="computeroutput">process_clock::now()</code>.
- 
-<pre class="programlisting">class process_clock {
-public:
- typedef nanoseconds duration;
- typedef duration::rep rep;
- typedef duration::period period;
- typedef chrono::time_point<process_clock> time_point;
- static const bool is_monotonic = true;
-
- struct process_times;
- static void now( process_times & times,
- system::error_code & ec = system::throws );
-};
-</pre>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.process_times_hpp.class__process_clock_.class__process_times_"></a><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_clock_.class__process_times_" title="Class
- process_times">Class
- <code class="computeroutput">process_times</code></a>
-</h5></div></div></div>
-<pre class="programlisting">struct process_times {
- process_clock::duration real; // real (i.e wall clock) time
- process_clock::duration user; // user cpu time
- process_clock::duration system; // system cpu time
-};
-</pre>
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.process_times_hpp.class__process_timer_"></a><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__process_timer_" title="Class
- process_timer">Class
- <code class="computeroutput">process_timer</code></a>
-</h4></div></div></div>
-
- Knowing how long a program takes to execute is useful in both test and
- production environments. It is also helpful if such timing information
- is broken down into real (wall clock) time, CPU time spent by the user,
- and CPU time spent by the operating system servicing user requests.
- 
-
- <code class="computeroutput">process_timer<></code>
- is the <code class="computeroutput">timer<></code>
- equivalent associated to the pseudo-clock <code class="computeroutput">process_clock</code>.
- It behaves like <code class="computeroutput">timer<></code>
- but it uses the specific <code class="computeroutput">process_clock:now()</code> function.
- 
-<pre class="programlisting">class process_timer {
-public:
- typedef process_clock clock;
- typedef process_clock::duration duration;
- typedef process_clock::time_point time_point;
-
- explicit process_timer( system::error_code & ec = system::throws );
-
- ~process_timer();
- void start( system::error_code & ec = system::throws );
- void elapsed( process_times & times, system::error_code & ec = system::throws );
-};
-</pre>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.process_times_hpp.class__run_timer_"></a><a href="process_times_hpp.html#boost_chrono.reference.process_times_hpp.class__run_timer_" title="Class
- run_timer">Class
- <code class="computeroutput">run_timer</code></a>
-</h4></div></div></div>
-
- class <code class="computeroutput">run_timer</code> provides
- a complete run time reporting package that can be invoked in a single line
- of code. The reporting is controleed by two parameters:
- 
-<div class="itemizedlist"><ul type="disc">
-<li>
- format : The output format
- </li>
-<li>
- places(precission): the number of decimal placess used.
- </li>
-</ul></div>
-
- The default places is given by default_places and is 3. The default format
- is "\nreal %rs, cpu %cs (%p%), user %us, system %ss\n", where
- 
-<div class="itemizedlist"><ul type="disc">
-<li>
-<code class="computeroutput">%r</code>
- : real process clock
- </li>
-<li>
-<code class="computeroutput">%u</code>
- : user process clock
- </li>
-<li>
-<code class="computeroutput">%s</code>
- : system process clock
- </li>
-<li>
-<code class="computeroutput">%c</code>
- : user+system process clock
- </li>
-<li>
-<code class="computeroutput">%p</code>
- : percentage (user+system)/real process clock
- </li>
-</ul></div>
-
- All the units are given using the suffix "s" following the System
- International d'Unites Std.
- 
-<pre class="programlisting">class run_timer : public process_timer {
-public:
- explicit run_timer( system::error_code & ec = system::throws );
- explicit run_timer( std::ostream & os,
- system::error_code & ec = system::throws );
-
- explicit run_timer( const std::string & format,
- system::error_code & ec = system::throws );
- explicit run_timer( std::ostream & os, const std::string & format,
- system::error_code & ec = system::throws );
-
- explicit run_timer( const std::string & format, int places,
- system::error_code & ec = system::throws );
- explicit run_timer( std::ostream & os, const std::string & format, int places,
- system::error_code & ec = system::throws );
-
- explicit run_timer( int places,
- system::error_code & ec = system::throws );
- explicit run_timer( std::ostream & os, int places,
- system::error_code & ec = system::throws );
-
- explicit run_timer( int places, const std::string & format,
- system::error_code & ec = system::throws );
- explicit run_timer( std::ostream & os, int places, const std::string & format,
- system::error_code & ec = system::throws );
-
- ~run_timer();
-
- void start( system::error_code & ec = system::throws );
-
- void report( system::error_code & ec = system::throws );
-
- void test_report( duration real_, duration user_, duration system_ );
- bool reported() const;
- static int default_places();
-};
-</pre>
-</div>
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="timer_hpp.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="../examples.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/ratio_hpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/ratio_hpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,318 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title> Header <boost/ratio.hpp></title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
-<link rel="start" href="../../index.html" title="Boost.Chrono">
-<link rel="up" href="../reference.html" title=" Reference ">
-<link rel="prev" href="common_type_hpp.html" title=" Header <boost/type_traits/common_type.hpp>">
-<link rel="next" href="chrono_hpp.html" title=" Header <boost/chrono.hpp>">
-</head>
-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
-<table cellpadding="2" width="100%"><tr>
-<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
-<td align="center">Home</td>
-<td align="center">Libraries</td>
-<td align="center">People</td>
-<td align="center">FAQ</td>
-<td align="center">More</td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="common_type_hpp.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="chrono_hpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h3 class="title">
-<a name="boost_chrono.reference.ratio_hpp"></a> Header <boost/ratio.hpp>
-</h3></div></div></div>
-<div class="toc"><dl>
-<dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio"> Class Template
- <code class="computeroutput">ratio<></code></a></dt>
-<dd><dl><dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio.construction_and_assignment">Construction
- and assignment</a></dt></dl></dd>
-<dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio_arithmetic">
- <code class="computeroutput">ratio</code> arithmetic</a></dt>
-<dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio_comparison">
- <code class="computeroutput">ratio</code> comparison</a></dt>
-<dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ration_SI_typedefs">
- SI typedefs</a></dt>
-</dl></div>
-
- <code class="computeroutput">ratio</code> is a facility which
- is useful in specifying compile time rational constants. Compile time rational
- arithmetic is supported with protection against overflow and divide by zero.
- Such a facility is very handy when needing to efficiently represent 1/3 of
- a nanosecond, or specifying an inch in terms of meters (for example 254/10000
- meters - which <code class="computeroutput">ratio</code> will
- reduce to 127/5000 meters).
- 
-<pre class="programlisting">namespace boost {
-
- template <boost::intmax_t N, boost::intmax_t D = 1> class ratio;
-
- // ratio arithmetic
- template <class R1, class R2> struct ratio_add;
- template <class R1, class R2> struct ratio_subtract;
- template <class R1, class R2> struct ratio_multiply;
- template <class R1, class R2> struct ratio_divide;
-
- // ratio comparison
- template <class R1, class R2> struct ratio_equal;
- template <class R1, class R2> struct ratio_not_equal;
- template <class R1, class R2> struct ratio_less;
- template <class R1, class R2> struct ratio_less_equal;
- template <class R1, class R2> struct ratio_greater;
- template <class R1, class R2> struct ratio_greater_equal;
-
- // convenience SI typedefs
- typedef ratio<1LL, 1000000000000000000LL> atto;
- typedef ratio<1LL, 1000000000000000LL> femto;
- typedef ratio<1LL, 1000000000000LL> pico;
- typedef ratio<1LL, 1000000000LL> nano;
- typedef ratio<1LL, 1000000LL> micro;
- typedef ratio<1LL, 1000LL> milli;
- typedef ratio<1LL, 100LL> centi;
- typedef ratio<1LL, 10LL> deci;
- typedef ratio< 10LL, 1LL> deca;
- typedef ratio< 100LL, 1LL> hecto;
- typedef ratio< 1000LL, 1LL> kilo;
- typedef ratio< 1000000LL, 1LL> mega;
- typedef ratio< 1000000000LL, 1LL> giga;
- typedef ratio< 1000000000000LL, 1LL> tera;
- typedef ratio< 1000000000000000LL, 1LL> peta;
- typedef ratio<1000000000000000000LL, 1LL> exa;
-}
-</pre>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.ratio_hpp.ratio"></a><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio" title=" Class Template
- ratio<>"> Class Template
- <code class="computeroutput">ratio<></code></a>
-</h4></div></div></div>
-<div class="toc"><dl><dt><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio.construction_and_assignment">Construction
- and assignment</a></dt></dl></div>
-<pre class="programlisting">template <boost::intmax_t N, boost::intmax_t D>
-class ratio {
-public:
- static const boost::intmax_t num;
- static const boost::intmax_t den;
- typedef ratio<num, den> type;
-
- ratio() {}
-
- template <intmax_t _N2, intmax_t _D2>
- ratio(const ratio<_N2, _D2>&,
- typename enable_if_c
- <
- ratio<_N2, _D2>::num == num &&
- ratio<_N2, _D2>::den == den
- >::type* = 0) {}
-
- template <intmax_t _N2, intmax_t _D2>
- typename enable_if_c
- <
- ratio<_N2, _D2>::num == num &&
- ratio<_N2, _D2>::den == den,
- ratio&
- >::type
- operator=(const ratio<_N2, _D2>&) {return *this;}
-};
-</pre>
-
- A diagnostic will be emitted if <code class="computeroutput">ratio</code>
- is instantiated with <code class="computeroutput">D == 0</code>, or
- if the absolute value of <code class="computeroutput">N</code>
- or <code class="computeroutput">D</code> can not be represented.
- Note: These rules ensure that infinite
- ratios are avoided and that for any negative input, there exists a representable
- value of its absolute value which is positive. In a two's complement representation,
- this excludes the most negative value.
- 
-
- Let <code class="computeroutput">gcd</code> denote the greatest
- common divisor of <code class="computeroutput">N</code>'s absolute
- value and of <code class="computeroutput">D</code>'s absolute
- value.
- 
-<div class="itemizedlist"><ul type="disc">
-<li>
-<code class="computeroutput">num</code> has the value <code class="computeroutput">sign(N)*sign(D)*abs(N)/gcd</code>.
- </li>
-<li>
-<code class="computeroutput">den</code> has the value <code class="computeroutput">abs(D)/gcd</code>.
- </li>
-</ul></div>
-
- The nested typedef <code class="computeroutput">type</code>
- denotes the normalized form of this ratio type. It should be used when
- the template parameters don't give a normalized form.
- 
-
- Two <code class="computeroutput">ratio</code> classes <code class="computeroutput">ratio<N1,D1></code> and <code class="computeroutput">ratio<N2,D2></code>
- have the same normalized form if <code class="computeroutput">ratio<N1,D1>::type</code> is the same type as <code class="computeroutput">ratio<N2,D2>::type</code>
- 
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h5 class="title">
-<a name="boost_chrono.reference.ratio_hpp.ratio.construction_and_assignment"></a><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio.construction_and_assignment" title="Construction
- and assignment">Construction
- and assignment</a>
-</h5></div></div></div>
-<pre class="programlisting">template <intmax_t N2, intmax_t D2>
- ratio(const ratio<N2, D2>& r);
-</pre>
-
- Effects: Constructs a <code class="computeroutput">ratio</code> object.
- 
-
- Remarks: This constructor will not participate
- in overload resolution unless <code class="computeroutput">r</code>
- has the same normalized form as <code class="computeroutput">*this</code>.
- 
-<pre class="programlisting">template <intmax_t N2, intmax_t D2>
- ratio& operator=(const ratio<N2, D2>& r);
-</pre>
-
- Effects: Assigns a <code class="computeroutput">ratio</code>
- object.
- 
-
- Returns: *this.
- 
-
- Remarks: This operator will not participate
- in overload resolution unless <code class="computeroutput">r</code>
- has the same normalized form as <code class="computeroutput">*this</code>.
- 
-</div>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.ratio_hpp.ratio_arithmetic"></a><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio_arithmetic" title="
- ratio arithmetic">
- <code class="computeroutput">ratio</code> arithmetic</a>
-</h4></div></div></div>
-
- For each of the class templates in this clause, each template parameter
- refers to a <code class="computeroutput">ratio</code>. If the
- implementation is unable to form the indicated <code class="computeroutput">ratio</code>
- due to overflow, a diagnostic will be issued.
- 
-<pre class="programlisting">template <class R1, class R2> struct ratio_add {
- typedef [/see below] type;
-};
-</pre>
-
- The nested typedef <code class="computeroutput">type</code>
- is a synonym for <code class="computeroutput">ratio<R1::num * R2::den + R2::num * R1::den, R1::den * R2::den>::type</code>.
- 
-<pre class="programlisting">template <class R1, class R2> struct ratio_subtract {
- typedef [/see below] type;
-};
-</pre>
-
- The nested typedef <code class="computeroutput">type</code>
- is a synonym for <code class="computeroutput">ratio<R1::num * R2::den - R2::num * R1::den, R1::den * R2::den>::type</code>.
- 
-<pre class="programlisting">template <class R1, class R2> struct ratio_multiply {
- typedef [/see below] type;
-};
-</pre>
-
- The nested typedef <code class="computeroutput">type</code>
- is a synonym for <code class="computeroutput">ratio<R1::num * R2::num, R1::den * R2::den>::type</code>.
- 
-<pre class="programlisting">template <class R1, class R2> struct ratio_divide {
- typedef [/see below] type;
-};
-</pre>
-
- The nested typedef <code class="computeroutput">type</code>
- is a synonym for <code class="computeroutput">ratio<R1::num * R2::den, R2::num * R1::den>::type</code>.
- 
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.ratio_hpp.ratio_comparison"></a><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ratio_comparison" title="
- ratio comparison">
- <code class="computeroutput">ratio</code> comparison</a>
-</h4></div></div></div>
-<pre class="programlisting">template <class R1, class R2> struct ratio_equal
- : public boost::integral_constant<bool, [/see below] > {};
-</pre>
-
- If R1::num <code class="literal">= R2::num && R1::den =</code> R2::den, ratio_equal
- derives from true_type, else derives from false_type.
- 
-<pre class="programlisting">template <class R1, class R2>
-struct ratio_less
- : public boost::integral_constant<bool, [/see below] > {};
-</pre>
-
- If R1::num * R2::den < R2::num * R1::den, ratio_less derives from true_type,
- else derives from false_type. Implementations are permitted to use more
- complex algorithms to compute the above relationship to avoid overflow.
- If the implementation is not able to avoid overflow, a diagnostic is emitted.
- 
-<pre class="programlisting">template <class R1, class R2> struct ratio_not_equal
- : public boost::integral_constant<bool, !ratio_equal<R1, R2>::value> {};
-
-template <class R1, class R2> struct ratio_less_equal
- : public boost::integral_constant<bool, !ratio_less<R2, R1>::value> {};
-
-template <class R1, class R2> struct ratio_greater
- : public boost::integral_constant<bool, ratio_less<R2, R1>::value> {};
-
-template <class R1, class R2> struct ratio_greater_equal
- : public boost::integral_constant<bool, !ratio_less<R1, R2>::value> {};
-</pre>
-</div>
-<div class="section" lang="en">
-<div class="titlepage"><div><div><h4 class="title">
-<a name="boost_chrono.reference.ratio_hpp.ration_SI_typedefs"></a><a href="ratio_hpp.html#boost_chrono.reference.ratio_hpp.ration_SI_typedefs" title="
- SI typedefs">
- SI typedefs</a>
-</h4></div></div></div>
-<pre class="programlisting">// convenience SI typedefs
-typedef ratio<1LL, 1000000000000000000LL> atto;
-typedef ratio<1LL, 1000000000000000LL> femto;
-typedef ratio<1LL, 1000000000000LL> pico;
-typedef ratio<1LL, 1000000000LL> nano;
-typedef ratio<1LL, 1000000LL> micro;
-typedef ratio<1LL, 1000LL> milli;
-typedef ratio<1LL, 100LL> centi;
-typedef ratio<1LL, 10LL> deci;
-typedef ratio< 10LL, 1LL> deca;
-typedef ratio< 100LL, 1LL> hecto;
-typedef ratio< 1000LL, 1LL> kilo;
-typedef ratio< 1000000LL, 1LL> mega;
-typedef ratio< 1000000000LL, 1LL> giga;
-typedef ratio< 1000000000000LL, 1LL> tera;
-typedef ratio< 1000000000000000LL, 1LL> peta;
-typedef ratio<1000000000000000000LL, 1LL> exa;
-</pre>
-
- Four of the typedefs in the recomendation which can be conditionally supported
- are not supported: yocto, zepto, zetta and yotta.
- 
-<pre class="programlisting">typedef ratio<1, 1000000000000000000000000> yocto; // conditionally supported
-typedef ratio<1, 1000000000000000000000> zepto; // conditionally supported
-typedef ratio< 1000000000000000000000, 1> zetta; // conditionally supported
-typedef ratio<1000000000000000000000000, 1> yotta; // conditionally supported
-</pre>
-</div>
-</div>
-<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008 Howard Hinnant Copyright © 2006 , 2008 Beman Dawes Copyright © 2009 Vicente J. Botet Escriba
- 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)
- 
-</div></td>
-</tr></table>
-<hr>
-<div class="spirit-nav">
-<a accesskey="p" href="common_type_hpp.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="chrono_hpp.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
-</div>
-</body>
-</html>

Deleted: sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/timer_hpp.html
==============================================================================
--- sandbox/chrono/libs/chrono/doc/html/boost_chrono/reference/timer_hpp.html 2010-01-11 06:38:17 EST (Mon, 11 Jan 2010)
+++ (empty file)
@@ -1,103 +0,0 @@
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<title> Header <boost/chrono/timer.hpp></title>
-<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.69.1">
-<link rel="start" href="../../index.html" title="Boost.Chrono">
-<link rel="up" href="../reference.html" title=" Reference ">
-<link rel="prev" href="chrono_hpp.html" title=" Header <boost/chrono.hpp>">
-<link rel="next" href="process_times_hpp.html" title=" Header <boost/chrono/process_times.hpp>">
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-<pre class="programlisting">namespace boost { namespace chrono {
- template <class Clock> class timer;
- typedef <see above> system_timer;
- #ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
- typedef <see above> monotonic_timer;
- #endif
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-
- Knowing how long a part of a program takes to execute is useful in both
- test and production environments. A <code class="computeroutput">timer</code>
- object measures elapsed time. It is recommended to use it with clocks that
- 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.
- 
-
- The maximum measurable elapsed time depends on the Clock parameter. The
- accuracy of timings depends on the accuracy of timing information provided
- the Clock, and this coudl varies a great deal from one clock to another.
- 
-<pre class="programlisting">template <class Clock> class timer {
-public:
- typedef Clock clock;
- typedef typename Clock::duration duration;
- typedef typename Clock::time_point time_point;
-
- explicit timer( system::error_code & ec = system::throws );
-
- ~timer();
-
- void start( system::error_code & ec = system::throws );
- duration elapsed( system::error_code & ec = system::throws );
-
-};
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-</h4></div></div></div>
-<pre class="programlisting">typedef boost::chrono::timer< boost::chrono::system_clock > system_timer;
-#ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
-typedef boost::chrono::timer< boost::chrono::monotonic_clock > monotonic_timer;
-#endif
-typedef boost::chrono::timer< boost::chrono::high_resolution_clock > high_resolution_timer;
-</pre>
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- Class Template <code class="computeroutput">common_type</code></a></dt></dl></dd>
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