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<title>Class template counted_time_system</title>
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<a name="boost.date_time.counted_time_system"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template counted_time_system</span></h2>
<p>boost::date_time::counted_time_system &#8212; An unadjusted time system implementation. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../date_time/doxy.html#header.boost.date_time.time_system_counted_hpp" title="Header &lt;boost/date_time/time_system_counted.hpp&gt;">boost/date_time/time_system_counted.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> time_rep<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="counted_time_system.html" title="Class template counted_time_system">counted_time_system</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">time_rep</span>                                    <a name="boost.date_time.counted_time_system.time_rep_type"></a><span class="identifier">time_rep_type</span><span class="special">;</span>          
  <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">impl_type</span>                    <a name="boost.date_time.counted_time_system.impl_type"></a><span class="identifier">impl_type</span><span class="special">;</span>              
  <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">time_duration_type</span>           <a name="boost.date_time.counted_time_system.time_duration_type"></a><span class="identifier">time_duration_type</span><span class="special">;</span>     
  <span class="keyword">typedef</span> <span class="identifier">time_duration_type</span><span class="special">::</span><span class="identifier">fractional_seconds_type</span> <a name="boost.date_time.counted_time_system.fractional_seconds_type"></a><span class="identifier">fractional_seconds_type</span><span class="special">;</span>
  <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">date_type</span>                    <a name="boost.date_time.counted_time_system.date_type"></a><span class="identifier">date_type</span><span class="special">;</span>              
  <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">date_duration_type</span>           <a name="boost.date_time.counted_time_system.date_duration_type"></a><span class="identifier">date_duration_type</span><span class="special">;</span>     

  <span class="comment">// <a class="link" href="counted_time_system.html#idp22287256-bb">public static functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">static</span> <span class="keyword">void</span> <a class="link" href="counted_time_system.html#idp22287464-bb"><span class="identifier">unused_var</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
  <a class="link" href="counted_time_system.html#idp35521928-bb"><span class="identifier">get_time_rep</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span><span class="special">,</span> 
               <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">dst_flags</span> <span class="special">=</span> <span class="identifier">not_dst</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> <a class="link" href="counted_time_system.html#idp52506552-bb"><span class="identifier">get_time_rep</span></a><span class="special">(</span><span class="identifier">special_values</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">date_type</span> <a class="link" href="counted_time_system.html#idp52507368-bb"><span class="identifier">get_date</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a class="link" href="counted_time_system.html#idp52508200-bb"><span class="identifier">get_time_of_day</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a class="link" href="counted_time_system.html#idp52509032-bb"><span class="identifier">zone_name</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="counted_time_system.html#idp22481272-bb"><span class="identifier">is_equal</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="counted_time_system.html#idp19654392-bb"><span class="identifier">is_less</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
  <a class="link" href="counted_time_system.html#idp19655560-bb"><span class="identifier">add_days</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
  <a class="link" href="counted_time_system.html#idp19777448-bb"><span class="identifier">subtract_days</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
  <a class="link" href="counted_time_system.html#idp52291032-bb"><span class="identifier">subtract_time_duration</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
  <a class="link" href="counted_time_system.html#idp52292232-bb"><span class="identifier">add_time_duration</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">time_duration_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">static</span> <span class="identifier">time_duration_type</span> 
  <a class="link" href="counted_time_system.html#idp52293432-bb"><span class="identifier">subtract_times</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp90925992"></a><h2>Description</h2>
<div class="refsect2">
<a name="idp90926200"></a><h3>
<a name="idp22287256-bb"></a><code class="computeroutput">counted_time_system</code> public static functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">static</span> <span class="keyword">void</span> <a name="idp22287464-bb"></a><span class="identifier">unused_var</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
<a name="idp35521928-bb"></a><span class="identifier">get_time_rep</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span> day<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span> tod<span class="special">,</span> 
             <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">dst_flags</span> dst <span class="special">=</span> <span class="identifier">not_dst</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> <a name="idp52506552-bb"></a><span class="identifier">get_time_rep</span><span class="special">(</span><span class="identifier">special_values</span> sv<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">date_type</span> <a name="idp52507368-bb"></a><span class="identifier">get_date</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> val<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a name="idp52508200-bb"></a><span class="identifier">get_time_of_day</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> val<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a name="idp52509032-bb"></a><span class="identifier">zone_name</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp22481272-bb"></a><span class="identifier">is_equal</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp19654392-bb"></a><span class="identifier">is_less</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
<a name="idp19655560-bb"></a><span class="identifier">add_days</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span> dd<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
<a name="idp19777448-bb"></a><span class="identifier">subtract_days</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span> dd<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
<a name="idp52291032-bb"></a><span class="identifier">subtract_time_duration</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> 
                       <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span> td<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> 
<a name="idp52292232-bb"></a><span class="identifier">add_time_duration</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="identifier">time_duration_type</span> td<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_duration_type</span> 
<a name="idp52293432-bb"></a><span class="identifier">subtract_times</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
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