boost-react-native-bundle

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Appendices</title> <link rel="stylesheet" href="../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../chrono.html" title="Chapter 6. Boost.Chrono 2.0.4"> <link rel="prev" href="reference.html" title="Reference"> <link rel="next" href="../circular_buffer.html" title="Chapter 7. Boost.Circular Buffer"> </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"><a href="../../../index.html">Home</a></td> <td align="center"><a href="../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="reference.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../chrono.html"><img src="../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../circular_buffer.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> <a name="chrono.appendices"></a><a class="link" href="appendices.html" title="Appendices">Appendices</a> </h2></div></div></div> <div class="toc"><dl class="toc"> <dt><span class="section"><a href="appendices.html#chrono.appendices.history">Appendix: History</a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.rationale">Appendix: Rationale</a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.implementation">Appendix: Implementation Notes</a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.faq">Appendix: FAQ</a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.acknowledgements">Appendix: Acknowledgements</a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.todo">Appendix: Future plans</a></span></dt> </dl></div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="chrono.appendices.history"></a><a class="link" href="appendices.html#chrono.appendices.history" title="Appendix: History">Appendix: History</a> </h3></div></div></div> <div class="toc"><dl class="toc"> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_2_0_4__july_12__2014___1_56__"><span class="bold"><strong>Version 2.0.4, July 12, 2014 - 1.56</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_2_0_3__september_29__2013___1_55__"><span class="bold"><strong>Version 2.0.3, September 29, 2013 - 1.55</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_2_0_2__june_15__2013___1_54__"><span class="bold"><strong>Version 2.0.2, June 15, 2013 - 1.54</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_2_0_1__january_18__2013___1_53__"><span class="bold"><strong>Version 2.0.1, January 18, 2013 - 1.53</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_2_0_0__october_23__2012___1_52__"><span class="bold"><strong>Version 2.0.0, October 23, 2012 - 1.52</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_2_3__august_1__2012___1_51__"><span class="bold"><strong>Version 1.2.3, August 1, 2012 - 1.51</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_2_2__april_1__2012___1_50__"><span class="bold"><strong>Version 1.2.2, April 1, 2012 - 1.50</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_2_1__february_1__2012___1_49__"><span class="bold"><strong>Version 1.2.1, February 1, 2012 - 1.49</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_2_0__october_17__2011__"><span class="bold"><strong>Version 1.2.0, October 17, 2011</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_1_0__mars_17__2011__"><span class="bold"><strong>Version 1.1.0, Mars 17, 2011</strong></span> </a></span></dt> <dt><span class="section"><a href="appendices.html#chrono.appendices.history.__version_1_0_0__january_6__2011__"><span class="bold"><strong>Version 1.0.0, January 6, 2011</strong></span> </a></span></dt> </dl></div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_2_0_4__july_12__2014___1_56__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_2_0_4__july_12__2014___1_56__" title="Version 2.0.4, July 12, 2014 - 1.56"><span class="bold"><strong>Version 2.0.4, July 12, 2014 - 1.56</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6918" target="_top">#6918</a> Boost Chrono compilation failure on HP uX due to undefined pthread_getcpuclockid </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8006" target="_top">#8006</a> Boost::Chrono Assertion at startup - steady_clock::now() - Windows </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9337" target="_top">#9337</a> chrono::process_cpu_clock time points wrong by factor 1000 on Linux </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9342" target="_top">#9342</a> Regression on process_cpu_clock::timepoint io on V2 </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9419" target="_top">#9419</a> boost::chrono::floor()/round() and negative durations is wrong </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9698" target="_top">#9698</a> boost::chrono::thread_clock not declared in OSX </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9720" target="_top">#9720</a> boost::this_thread::sleep_for() sometimes returns immediately on win32 </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9859" target="_top">#9859</a> Remove references to gcc-mingw </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9918" target="_top">#9918</a> chrono compilation error on Solaris, funciton timegm </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9811" target="_top">#9811</a> boost/boost/chrono/duration.hpp:355:56: error: call to non-constexpr function 'static std::numeric_limits<float>::_Ty std::numeric_limits<float>::max()' /home/zosun/input_service/inputservices-core-service/other/boost/boost/chrono/duration.hpp: In static member function 'static constexpr double boost::chrono::detail::chrono_numeric_limits<double, true>::lowest()': </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/10069" target="_top">#10069</a> Overflow in chrono clocks on 32bit </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/10151" target="_top">#10151</a> timegm function not available on QNX </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_2_0_3__september_29__2013___1_55__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_2_0_3__september_29__2013___1_55__" title="Version 2.0.3, September 29, 2013 - 1.55"><span class="bold"><strong>Version 2.0.3, September 29, 2013 - 1.55</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7868" target="_top">#7868</a> chrono_io parses time incorrectly (1.53 and 1.52) </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9028" target="_top">#9028</a> Typo in boost/chrono/stopwatches/formatters/base_formatter.hpp </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9147" target="_top">#9147</a> uninitialized std::tm </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9274" target="_top">#9274</a> lost of precission on system_clock input. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/9276" target="_top">#9276</a> output from a system_clock::time_point get a time_point that is one day later than expected. </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_2_0_2__june_15__2013___1_54__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_2_0_2__june_15__2013___1_54__" title="Version 2.0.2, June 15, 2013 - 1.54"><span class="bold"><strong>Version 2.0.2, June 15, 2013 - 1.54</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8079" target="_top">#8079</a> Chrono memory leak </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8318" target="_top">#8318</a> BOOST_FORCEINLINE constructors of time_point and duration </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8367" target="_top">#8367</a> chrono does not compile with clang from XCode 4.5.2 with -std=c++11 -stdlib=libc++ and -arch armv7 </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8370" target="_top">#8370</a> typo in chrono reference </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8435" target="_top">#8435</a> Can't compile Chrono on HP-UX due to no CLOCK_REALTIME macro. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8690" target="_top">#8690</a> duration_units_default - lost return types constness in overridden methods. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8691" target="_top">#8691</a> iostate is not checked after scan_keyword call. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/8696" target="_top">#8696</a> chrono compilation error on Solaris/gcc. </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_2_0_1__january_18__2013___1_53__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_2_0_1__january_18__2013___1_53__" title="Version 2.0.1, January 18, 2013 - 1.53"><span class="bold"><strong>Version 2.0.1, January 18, 2013 - 1.53</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Deprecated:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> The chrono i/o version included in Boost.Chrono 1.2.x has been completly refactored in version 2.0.0 </li> <li class="listitem"> chrono I/O: The manipulators <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.manipulators" title="I/O Manipulators"><code class="computeroutput"><span class="identifier">duration_short</span></code></a>, <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.manipulators" title="I/O Manipulators"><code class="computeroutput"><span class="identifier">duration_long</span></code></a> are depreceated. You should use the parameterized form <a class="link" href="reference.html#chrono.reference.io.duration_io_hpp.manipulators.duration_fmt" title="Template Class duration_fmt"><code class="computeroutput"><span class="identifier">duration_fmt</span></code></a> or the renamed manipulators __duration_symbol and __duration_prefix instead. </li> <li class="listitem"> chrono I/O: The <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.duration_punct" title="Template Class duration_punct<>"><code class="computeroutput"><span class="identifier">duration_punct</span></code></a><> facet is depreceated. You should use the <a class="link" href="reference.html#chrono.reference.io.ios_state_hpp.sag.get_duration_style" title="Non Member Function get_duration_style(std::ios_base &)"><code class="computeroutput"><span class="identifier">get_duration_style</span></code></a> free function to get the informations and use the <a class="link" href="reference.html#chrono.reference.io.duration_units_hpp.duration_units" title="Template Class duration_units"><code class="computeroutput"><span class="identifier">duration_units</span></code></a> facet for localization purposes. </li> </ul></div> <p> When BOOST_CHRONO_VERSION==2 the preceding deprecated functions are not available. </p> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7546" target="_top">#7546</a> time_point<system_clock> output version 2 fails to compile assigned viboes Bugs Boost 1.53.0 -- </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7547" target="_top">#7547</a> time_point<system_clock> input version 2 fails to compile assigned viboes Bugs Boost 1.53.0 -- </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7868" target="_top">#7868</a> chrono_io parses time incorrectly (1.53 and 1.52) </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_2_0_0__october_23__2012___1_52__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_2_0_0__october_23__2012___1_52__" title="Version 2.0.0, October 23, 2012 - 1.52"><span class="bold"><strong>Version 2.0.0, October 23, 2012 - 1.52</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>New Features:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> Enhance chrono I/O <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5980" target="_top">#5980</a> Enhance chrono I/O with H. Hinnant proposal <a href="http://home.roadrunner.com/~hinnant/bloomington/chrono_io.html" target="_top">proposal</a> which has the advantage to provide I/O for system clocks using the Gregorian Calendar. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5981" target="_top">#5981</a> Add i/o state savers for duration and time_point formatting state. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7059" target="_top">#7059</a> Add low level i/o facilities. </li> </ul></div> </li></ul></div> <p> <span class="bold"><strong>Deprecated:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> The chrono i/o version included in Boost.Chrono 1.2.x has been completly refactored in version 2.0.0 </li> <li class="listitem"> chrono I/O: The manipulators <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.manipulators" title="I/O Manipulators"><code class="computeroutput"><span class="identifier">duration_short</span></code></a>, <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.manipulators" title="I/O Manipulators"><code class="computeroutput"><span class="identifier">duration_long</span></code></a> are depreceated. You should use the parameterized form <a class="link" href="reference.html#chrono.reference.io.duration_io_hpp.manipulators.duration_fmt" title="Template Class duration_fmt"><code class="computeroutput"><span class="identifier">duration_fmt</span></code></a> or the renamed manipulators __duration_symbol and __duration_prefix instead. </li> <li class="listitem"> chrono I/O: The <a class="link" href="reference.html#chrono.reference.io_v1.chrono_io_hpp.duration_punct" title="Template Class duration_punct<>"><code class="computeroutput"><span class="identifier">duration_punct</span></code></a><> facet is depreceated. You should use the <a class="link" href="reference.html#chrono.reference.io.ios_state_hpp.sag.get_duration_style" title="Non Member Function get_duration_style(std::ios_base &)"><code class="computeroutput"><span class="identifier">get_duration_style</span></code></a> free function to get the informations and use the <a class="link" href="reference.html#chrono.reference.io.duration_units_hpp.duration_units" title="Template Class duration_units"><code class="computeroutput"><span class="identifier">duration_units</span></code></a> facet for localization purposes. </li> </ul></div> <p> When BOOST_CHRONO_VERSION==2 the preceding deprecated functions are not available. </p> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7381" target="_top">#7381</a> C++11 compliance: unresolved symbol when assigning a constexpr duration to a non-const local variable. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7479" target="_top">#7479</a> Compiles fails with compilers supporting constexpr fails if the standard library doesn't provides the constexpr interface </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7493" target="_top">#7493</a> compile fail on intel-linux-12.1.3.0x because of bug on explicit bool conversion </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7542" target="_top">#7542</a> Missing -lpthread in chrono/io tester Sandia-clang-trunk </li> </ul></div> <p> <span class="bold"><strong>Would not fix:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6871" target="_top">#6871</a> chrono_io.hpp: operator<<(ostream& os, ...) modifies the state of os. <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "><li class="listitem"> The neww io interface provided in version 2 solves this issue. You should move to the new version. </li></ul></div> </li></ul></div> <p> <span class="bold"><strong>Known bugs not fixed yet:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7525" target="_top">#7525</a> Wrong clock_string<system_clock>::since() on Windows </li></ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_2_3__august_1__2012___1_51__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_2_3__august_1__2012___1_51__" title="Version 1.2.3, August 1, 2012 - 1.51"><span class="bold"><strong>Version 1.2.3, August 1, 2012 - 1.51</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6918" target="_top">#6918</a> Boost Chrono compilation failure on HP uX due to undefined pthread_getcpuclockid. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6241" target="_top">#6241</a> boost::chrono compilation problems without std::wstring support. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6987" target="_top">#6987</a> Documentation & C++11. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7041" target="_top">#7041</a> time_point.hpp depends on Boost.System. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7042" target="_top">#7042</a> Avoiding time_point and duration dependency on time.h and CLOCK_REALTIME. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7058" target="_top">#7058</a> Make it work when BOOST_NO_EXCEPTIONS is defined. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7069" target="_top">#7069</a> Misspellings in clock_string<thread_clock>. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/7081" target="_top">#7081</a> WinError.h capitalization in boost/detail/win/basic_types.hpp. </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_2_2__april_1__2012___1_50__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_2_2__april_1__2012___1_50__" title="Version 1.2.2, April 1, 2012 - 1.50"><span class="bold"><strong>Version 1.2.2, April 1, 2012 - 1.50</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6361" target="_top">#6361</a> integer overflow in boost::chrono::process_real_cpu_clock::now() under Windows 32bits. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6628" target="_top">#6628</a> compiler warning in process_cpu_clocks.hpp. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6666" target="_top">#6666</a> thread_clock.hpp needs pthread.h. </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_2_1__february_1__2012___1_49__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_2_1__february_1__2012___1_49__" title="Version 1.2.1, February 1, 2012 - 1.49"><span class="bold"><strong>Version 1.2.1, February 1, 2012 - 1.49</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6092" target="_top">#6092</a> Input from non integral durations makes the compiler fail. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6093" target="_top">#6093</a> [1/3]second fails as valid duration input. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6113" target="_top">#6113</a> duplicate symbol when BOOST_CHRONO_HEADER_ONLY is defined. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6243" target="_top">#6243</a> Sandia-pgi-11.9: more than one instance of overloaded function "min" matches. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/6257" target="_top">#6257</a> process_cpu_clock::now() on linux gives time_points 1/1000 times. </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_2_0__october_17__2011__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_2_0__october_17__2011__" title="Version 1.2.0, October 17, 2011"><span class="bold"><strong>Version 1.2.0, October 17, 2011</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>New Features:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5979" target="_top">#5979</a> Added chrono rounding utilities as defined By Howard Hinnant <a href="http://home.roadrunner.com/~hinnant/duration_io/chrono_util.html" target="_top">here</a>. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5978" target="_top">#5978</a> Added BOOST_CHRONO_HAS_PROCESS_CLOCKS to know if process clocks are available. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5998" target="_top">#5998</a> Make possible to don't provide hybrid error handling. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5906" target="_top">#5906</a> Take in account the constexpr as defined in the standard. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5907" target="_top">#5907</a> Take in account noexcept for compilers supporting it. </li> </ul></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/2114" target="_top">#2114</a> Enable visibility support (Boost.Chorno part) </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5669" target="_top">#5669</a> Intel compiler failure to compile duration.hpp </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5909" target="_top">#5909</a> process_cpu_clock::now() on MAC gives time_points 1/1000 times. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5946" target="_top">#5946</a> Process real cpu clock returns the system steady clock (windows). </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5974" target="_top">#5974</a> Process real cpu clock should use clock() instead of times() in MAC which is twice faster and have better resolution. </li> </ul></div> <p> <span class="bold"><strong>Cleanup:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5975" target="_top">#5975</a> Reduce the combinations of header-only, shared, static link to reduce test time by 50%. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5976" target="_top">#5976</a> chrono_accuracy_test is not deterministic and should be removed from the regression tests </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5977" target="_top">#5977</a> Remove old files from Beman's version. Some old files included in the Beman's version and not documented in the reviewed version that have been definitely removed from the repository as <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; "> <li class="listitem"> boost/chrono/timer.hpp, </li> <li class="listitem"> boost/chrono/process_times.hpp </li> <li class="listitem"> boost/chrono/detail/process_clock.hpp, </li> <li class="listitem"> boost/chrono/detail/mac/process_clock.hpp, </li> <li class="listitem"> boost/chrono/detail/posix/process_clock.hpp, </li> <li class="listitem"> boost/chrono/detail/win/process_clock.hpp, </li> <li class="listitem"> boost/chrono/detail/run_timer.hpp, </li> <li class="listitem"> boost/chrono/detail/run_timer_static.hpp, </li> </ul></div> </li> </ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_1_0__mars_17__2011__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_1_0__mars_17__2011__" title="Version 1.1.0, Mars 17, 2011"><span class="bold"><strong>Version 1.1.0, Mars 17, 2011</strong></span> </a> </h4></div></div></div> <p> <span class="bold"><strong>New Features:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/????" target="_top">#????</a> Added time_point unary operators +,-,++,-- and binary operators +<code class="literal">,-</code> with Rep al RHS. </li> <li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5323" target="_top">#5323</a> Add Associated type difference_type for chrono::time_point. </li> </ul></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> <a href="http://svn.boost.org/trac/boost/ticket/5322" target="_top">#5322</a> Explicit default constructed chrono::durations are uninitialized </li></ul></div> </div> <div class="section"> <div class="titlepage"><div><div><h4 class="title"> <a name="chrono.appendices.history.__version_1_0_0__january_6__2011__"></a><a class="link" href="appendices.html#chrono.appendices.history.__version_1_0_0__january_6__2011__" title="Version 1.0.0, January 6, 2011"><span class="bold"><strong>Version 1.0.0, January 6, 2011</strong></span> </a> </h4></div></div></div> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Moved chrono to trunk taking in account the review remarks. </li> <li class="listitem"> Documentation revision. </li> </ul></div> <p> <span class="bold"><strong>Features:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Boost_Chrono is now a configurable header-only library version (that also allows the user to choose if the <code class="computeroutput"><span class="identifier">windows</span><span class="special">.</span><span class="identifier">h</span></code> file is included or not). </li> <li class="listitem"> Added clock_string<> traits. </li> <li class="listitem"> Define chrono-io for all the clocks. </li> <li class="listitem"> Add input of process_times representation. </li> </ul></div> <p> <span class="bold"><strong>Implementation:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Use of detail/win files to avoid the use of windows.h file. </li> <li class="listitem"> Completed the error_code handling. </li> <li class="listitem"> Works now with BOOST_SYSTEM_NO_DEPRECATED. </li> </ul></div> <p> <span class="bold"><strong>Fixes:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Fix some warnings. </li> <li class="listitem"> Fix original errors on Mac </li> <li class="listitem"> Don't fix the link with boost_system to static. </li> </ul></div> <p> <span class="bold"><strong>Test:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Added test on process and thread clocks. </li> <li class="listitem"> Moved to lightweight_test.hpp. </li> <li class="listitem"> Able to test multiple configurations. </li> </ul></div> <p> <span class="bold"><strong>Doc:</strong></span> </p> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> Removed some not useful parts as the test and the tickets. </li></ul></div> </div> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="chrono.appendices.rationale"></a><a class="link" href="appendices.html#chrono.appendices.rationale" title="Appendix: Rationale">Appendix: Rationale</a> </h3></div></div></div> <p> See <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2661.htm" target="_top"><span class="bold"><strong>N2661 - A Foundation to Sleep On</strong></span></a> which is very informative and provides motivation for key design decisions. This section contains some extracts from this document. </p> <h5> <a name="chrono.appendices.rationale.h0"></a> <span class="phrase"><a name="chrono.appendices.rationale.why_duration_needs_operator_"></a></span><a class="link" href="appendices.html#chrono.appendices.rationale.why_duration_needs_operator_">Why duration needs operator%</a> </h5> <p> This operator is convenient for computing where in a time frame a given duration lies. A motivating example is converting a duration into a "broken-down" time duration such as hours::minutes::seconds: </p> <pre class="programlisting"><span class="keyword">class</span> <span class="identifier">ClockTime</span> <span class="special">{</span> <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">hours</span> <span class="identifier">hours</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">minutes</span> <span class="identifier">minutes</span><span class="special">;</span> <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">seconds</span> <span class="identifier">seconds</span><span class="special">;</span> <span class="keyword">public</span><span class="special">:</span> <span class="identifier">hours</span> <span class="identifier">hours_</span><span class="special">;</span> <span class="identifier">minutes</span> <span class="identifier">minutes_</span><span class="special">;</span> <span class="identifier">seconds</span> <span class="identifier">seconds_</span><span class="special">;</span> <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Rep</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Period</span><span class="special">></span> <span class="keyword">explicit</span> <span class="identifier">ClockTime</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">duration</span><span class="special"><</span><span class="identifier">Rep</span><span class="special">,</span> <span class="identifier">Period</span><span class="special">>&</span> <span class="identifier">d</span><span class="special">)</span> <span class="special">:</span> <span class="identifier">hours_</span> <span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">duration_cast</span><span class="special"><</span><span class="identifier">hours</span><span class="special">></span> <span class="special">(</span><span class="identifier">d</span><span class="special">)),</span> <span class="identifier">minutes_</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">duration_cast</span><span class="special"><</span><span class="identifier">minutes</span><span class="special">>(</span><span class="identifier">d</span> <span class="special">%</span> <span class="identifier">hours</span><span class="special">(</span><span class="number">1</span><span class="special">))),</span> <span class="identifier">seconds_</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">chrono</span><span class="special">::</span><span class="identifier">duration_cast</span><span class="special"><</span><span class="identifier">seconds</span><span class="special">>(</span><span class="identifier">d</span> <span class="special">%</span> <span class="identifier">minutes</span><span class="special">(</span><span class="number">1</span><span class="special">)))</span> <span class="special">{}</span> <span class="special">};</span> </pre> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="chrono.appendices.implementation"></a><a class="link" href="appendices.html#chrono.appendices.implementation" title="Appendix: Implementation Notes">Appendix: Implementation Notes</a> </h3></div></div></div> <h5> <a name="chrono.appendices.implementation.h0"></a> <span class="phrase"><a name="chrono.appendices.implementation.which_apis_have_been_chosen_to_implement_each_clock_on_each_platform_"></a></span><a class="link" href="appendices.html#chrono.appendices.implementation.which_apis_have_been_chosen_to_implement_each_clock_on_each_platform_">Which APIs have been chosen to implement each clock on each platform?</a> </h5> <p> The following table presents a resume of which API is uused for each clock on each platform </p> <div class="table"> <a name="chrono.appendices.implementation.clock_api_correspondence"></a><p class="title"><b>Table 6.4. Clock API correspondence</b></p> <div class="table-contents"><table class="table" summary="Clock API correspondence"> <colgroup> <col> <col> <col> <col> </colgroup> <thead><tr> <th> <p> Clock </p> </th> <th> <p> Windows Platform </p> </th> <th> <p> Posix Platform </p> </th> <th> <p> Mac Platform </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.cpp0x.system_clocks_hpp.system_clock" title="Class system_clock"><code class="computeroutput"><span class="identifier">system_clock</span></code></a> </p> </td> <td> <p> GetSystemTimeAsFileTime </p> </td> <td> <p> clock_gettime( CLOCK_REALTIME) </p> </td> <td> <p> gettimeofday </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.cpp0x.system_clocks_hpp.steady_clock" title="Class steady_clock"><code class="computeroutput"><span class="identifier">steady_clock</span></code></a> </p> </td> <td> <p> QueryPerformanceCounter and QueryPerformanceFrequency </p> </td> <td> <p> clock_gettime( CLOCK_STEADY) </p> </td> <td> <p> mach_timebase_info,mach_absolute_time </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.other_clocks.process_cpu_clocks_hpp.process_real_cpu_clock" title="Class process_real_cpu_clock"><code class="computeroutput"><span class="identifier">process_real_cpu_clock</span></code></a> </p> </td> <td> <p> GetProcessTimes </p> </td> <td> <p> times </p> </td> <td> <p> times </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.other_clocks.process_cpu_clocks_hpp.process_system_cpu_clock" title="Class process_system_cpu_clock"><code class="computeroutput"><span class="identifier">process_system_cpu_clock</span></code></a> </p> </td> <td> <p> GetProcessTimes </p> </td> <td> <p> times </p> </td> <td> <p> times </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.other_clocks.process_cpu_clocks_hpp.process_user_cpu_clock" title="Class process_user_cpu_clock"><code class="computeroutput"><span class="identifier">process_user_cpu_clock</span></code></a> </p> </td> <td> <p> GetProcessTimes </p> </td> <td> <p> times </p> </td> <td> <p> times </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.other_clocks.process_cpu_clocks_hpp.process_cpu_clock" title="Class process_cpu_clock"><code class="computeroutput"><span class="identifier">process_cpu_clock</span></code></a> </p> </td> <td> <p> GetProcessTimes </p> </td> <td> <p> times </p> </td> <td> <p> times </p> </td> </tr> <tr> <td> <p> <a class="link" href="reference.html#chrono.reference.other_clocks.thread_clock_hpp.thread_clock" title="Class thread_clock"><code class="computeroutput"><span class="identifier">thread_clock</span></code></a> </p> </td> <td> <p> GetThreadTimes </p> </td> <td> <p> clock_gettime(pthread_getcpuclockid) </p> </td> <td> <p> clock_gettime(pthread_getcpuclockid) </p> </td> </tr> </tbody> </table></div> </div> <br class="table-break"> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="chrono.appendices.faq"></a><a class="link" href="appendices.html#chrono.appendices.faq" title="Appendix: FAQ">Appendix: FAQ</a> </h3></div></div></div> <h5> <a name="chrono.appendices.faq.h0"></a> <span class="phrase"><a name="chrono.appendices.faq.why_does_process_cpu_clock_sometimes_give_more_cpu_seconds_than_real_seconds_"></a></span><a class="link" href="appendices.html#chrono.appendices.faq.why_does_process_cpu_clock_sometimes_give_more_cpu_seconds_than_real_seconds_">Why does process_cpu_clock sometimes give more cpu seconds than real seconds?</a> </h5> <p> Ask your operating system supplier. The results have been inspected with a debugger, and both for Windows and Linux, that's what the OS appears to be reporting at times. </p> <h5> <a name="chrono.appendices.faq.h1"></a> <span class="phrase"><a name="chrono.appendices.faq.are_integer_overflows_in_the_duration_arithmetic_detected_and_reported_"></a></span><a class="link" href="appendices.html#chrono.appendices.faq.are_integer_overflows_in_the_duration_arithmetic_detected_and_reported_">Are integer overflows in the duration arithmetic detected and reported?</a> </h5> <p> <span class="bold"><strong>Boost.Ratio</strong></span> avoids all kind of overflow that could result of arithmetic operation and that can be simplified. The typedefs durations don't detect overflow. You will need a duration representation that handles overflow. </p> <h5> <a name="chrono.appendices.faq.h2"></a> <span class="phrase"><a name="chrono.appendices.faq.which_clocks_should_be_used_to_benchmarking_"></a></span><a class="link" href="appendices.html#chrono.appendices.faq.which_clocks_should_be_used_to_benchmarking_">Which clocks should be used to benchm