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<li class="navelem"><a class="el" href="namespace_quant_lib.html">QuantLib</a></li><li class="navelem"><a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a></li> </ul>
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<div class="title">DayCounter Class Reference<div class="ingroups"><a class="el" href="group__datetime.html">Date and time calculations</a></div></div> </div>
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<p>day counter class
<a href="class_quant_lib_1_1_day_counter.html#details">More...</a></p>
<p><code>#include <ql/time/daycounter.hpp></code></p>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter_1_1_impl.html">Impl</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">abstract base class for day counter implementations <a href="class_quant_lib_1_1_day_counter_1_1_impl.html#details">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4c13117cd5659354dad5d3a3d4b36925"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#a4c13117cd5659354dad5d3a3d4b36925">DayCounter</a> ()</td></tr>
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<tr><td colspan="2"><div class="groupHeader">DayCounter interface</div></td></tr>
<tr class="memitem:a644718bb2fb240de962dc3c9a1fdf0dc"><td class="memItemLeft" align="right" valign="top"><a id="a644718bb2fb240de962dc3c9a1fdf0dc"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#a644718bb2fb240de962dc3c9a1fdf0dc">empty</a> () const</td></tr>
<tr class="memdesc:a644718bb2fb240de962dc3c9a1fdf0dc"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether or not the day counter is initialized. <br /></td></tr>
<tr class="separator:a644718bb2fb240de962dc3c9a1fdf0dc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1d89c28bd42ba9a52da008bb69367171"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#a1d89c28bd42ba9a52da008bb69367171">name</a> () const</td></tr>
<tr class="memdesc:a1d89c28bd42ba9a52da008bb69367171"><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of the day counter. <a href="class_quant_lib_1_1_day_counter.html#a1d89c28bd42ba9a52da008bb69367171">More...</a><br /></td></tr>
<tr class="separator:a1d89c28bd42ba9a52da008bb69367171"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1030acc5095401c041d13d1c3fb9d9c6"><td class="memItemLeft" align="right" valign="top"><a id="a1030acc5095401c041d13d1c3fb9d9c6"></a>
<a class="el" href="class_quant_lib_1_1_date.html#a4c0b362accace7d0490c5ededaef9a2e">Date::serial_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#a1030acc5095401c041d13d1c3fb9d9c6">dayCount</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &) const</td></tr>
<tr class="memdesc:a1030acc5095401c041d13d1c3fb9d9c6"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of days between two dates. <br /></td></tr>
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<a class="el" href="group__types.html#ga14fb8fca43a68f4168654e1f9f7e22f7">Time</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#a28170faaec75755611ff6fc220c1fab8">yearFraction</a> (const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &, const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &refPeriodStart=<a class="el" href="class_quant_lib_1_1_date.html">Date</a>(), const <a class="el" href="class_quant_lib_1_1_date.html">Date</a> &refPeriodEnd=<a class="el" href="class_quant_lib_1_1_date.html">Date</a>()) const</td></tr>
<tr class="memdesc:a28170faaec75755611ff6fc220c1fab8"><td class="mdescLeft"> </td><td class="mdescRight">Returns the period between two dates as a fraction of year. <br /></td></tr>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:aaa4f1efef860b6bb4fcd980868483229"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#aaa4f1efef860b6bb4fcd980868483229">DayCounter</a> (const ext::shared_ptr< <a class="el" href="class_quant_lib_1_1_day_counter_1_1_impl.html">Impl</a> > &impl)</td></tr>
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Protected Attributes</h2></td></tr>
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ext::shared_ptr< <a class="el" href="class_quant_lib_1_1_day_counter_1_1_impl.html">Impl</a> > </td><td class="memItemRight" valign="bottom"><b>impl_</b></td></tr>
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Related Functions</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
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<tr class="memitem:acbca520b46832e1a53e72053c233692c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_day_counter.html#acbca520b46832e1a53e72053c233692c">operator==</a> (const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> &, const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> &)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>operator!=</b> (const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> &, const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> &)</td></tr>
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std::ostream & </td><td class="memItemRight" valign="bottom"><b>operator<<</b> (std::ostream &, const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> &)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>day counter class </p>
<p>This class provides methods for determining the length of a time period according to given market convention, both as a number of days and as a year fraction.</p>
<p>The Bridge pattern is used to provide the base behavior of the day counter. </p>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="_bermudan_swaption_8cpp-example.html#_a17">BermudanSwaption.cpp</a>, <a class="el" href="_bonds_8cpp-example.html#_a10">Bonds.cpp</a>, <a class="el" href="_callable_bonds_8cpp-example.html#_a1">CallableBonds.cpp</a>, <a class="el" href="_convertible_bonds_8cpp-example.html#_a18">ConvertibleBonds.cpp</a>, <a class="el" href="_c_v_a_i_r_s_8cpp-example.html#_a19">CVAIRS.cpp</a>, <a class="el" href="_discrete_hedging_8cpp-example.html#_a16">DiscreteHedging.cpp</a>, <a class="el" href="_equity_option_8cpp-example.html#_a9">EquityOption.cpp</a>, <a class="el" href="_fitted_bond_curve_8cpp-example.html#_a2">FittedBondCurve.cpp</a>, <a class="el" href="_f_r_a_8cpp-example.html#_a10">FRA.cpp</a>, <a class="el" href="_multicurve_bootstrapping_8cpp-example.html#_a9">MulticurveBootstrapping.cpp</a>, <a class="el" href="_replication_8cpp-example.html#_a5">Replication.cpp</a>, and <a class="el" href="_repo_8cpp-example.html#_a2">Repo.cpp</a>.</dd>
</dl>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="aaa4f1efef860b6bb4fcd980868483229"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaa4f1efef860b6bb4fcd980868483229">◆ </a></span>DayCounter() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> </td>
<td>(</td>
<td class="paramtype">const ext::shared_ptr< <a class="el" href="class_quant_lib_1_1_day_counter_1_1_impl.html">Impl</a> > & </td>
<td class="paramname"><em>impl</em></td><td>)</td>
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<p>This constructor can be invoked by derived classes which define a given implementation. </p>
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<a id="a4c13117cd5659354dad5d3a3d4b36925"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4c13117cd5659354dad5d3a3d4b36925">◆ </a></span>DayCounter() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> </td>
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<p>The default constructor returns a day counter with a null implementation, which is therefore unusable except as a placeholder. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d89c28bd42ba9a52da008bb69367171">◆ </a></span>name()</h2>
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<td class="memname">std::string name </td>
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<p>Returns the name of the day counter. </p>
<dl class="caveats"><dt><b><a class="el" href="caveats.html#_caveats000188">Warning:</a></b></dt><dd>This method is used for output and comparison between day counters. It is <b>not</b> meant to be used for writing switch-on-type code. </dd></dl>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#acbca520b46832e1a53e72053c233692c">◆ </a></span>operator==()</h2>
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<td class="memname">bool operator== </td>
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<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> & </td>
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<td class="paramtype">const <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a> & </td>
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<p>Returns <code>true</code> iff the two day counters belong to the same derived class. </p>
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1.8.20
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