c9f634b1d4
https://svn.boost.org/svn/boost/trunk ........ r43417 | danieljames | 2008-02-26 22:04:55 +0000 (Tue, 26 Feb 2008) | 2 lines Fix a link to Boost.Bimap. ........ r43418 | danieljames | 2008-02-26 22:07:25 +0000 (Tue, 26 Feb 2008) | 2 lines Change another link that's no longer in the repository to link to the website. ........ r43422 | danieljames | 2008-02-27 18:51:14 +0000 (Wed, 27 Feb 2008) | 1 line Fix broken copyright urls. Fixes #1573. ........ r43423 | danieljames | 2008-02-27 19:22:01 +0000 (Wed, 27 Feb 2008) | 1 line Fix incorrect links to copyright of the form 'http:#www.boost.org ........ [SVN r43425]
49 lines
1.5 KiB
XML
49 lines
1.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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"../../../tools/boostbook/dtd/boostbook.dtd">
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<!-- Copyright (c) 2001-2004 CrystalClear Software, Inc.
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Subject to the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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-->
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<section id="date_time.examples.time_math">
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<title>Time Math</title>
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<para>
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Various types of calculations with times and time durations.
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</para>
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<programlisting>
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<![CDATA[
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/* Some simple examples of constructing and calculating with times
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* Output:
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* 2002-Feb-01 00:00:00 - 2002-Feb-01 05:04:02.001000000 = -5:04:02.001000000
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*/
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#include "boost/date_time/posix_time/posix_time.hpp"
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#include <iostream>
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int
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main()
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{
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using namespace boost::posix_time;
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using namespace boost::gregorian;
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date d(2002,Feb,1); //an arbitrary date
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//construct a time by adding up some durations durations
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ptime t1(d, hours(5)+minutes(4)+seconds(2)+millisec(1));
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//construct a new time by subtracting some times
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ptime t2 = t1 - hours(5)- minutes(4)- seconds(2)- millisec(1);
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//construct a duration by taking the difference between times
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time_duration td = t2 - t1;
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std::cout << to_simple_string(t2) << " - "
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<< to_simple_string(t1) << " = "
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<< to_simple_string(td) << std::endl;
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return 0;
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}
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]]>
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</programlisting>
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</section>
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