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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_simple_day_counter.html">SimpleDayCounter</a></li> </ul>
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<div class="title">SimpleDayCounter Class Reference<div class="ingroups"><a class="el" href="group__datetime.html">Date and time calculations</a> » <a class="el" href="group__daycounters.html">Day counters</a></div></div> </div>
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<p>Simple day counter for reproducing theoretical calculations.
<a href="class_quant_lib_1_1_simple_day_counter.html#details">More...</a></p>
<p><code>#include <ql/time/daycounters/simpledaycounter.hpp></code></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for SimpleDayCounter:</div>
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<area shape="rect" title="Simple day counter for reproducing theoretical calculations." alt="" coords="5,80,137,107"/>
<area shape="rect" href="class_quant_lib_1_1_day_counter.html" title="day counter class" alt="" coords="25,5,117,32"/>
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_methods_class_quant_lib_1_1_day_counter"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_quant_lib_1_1_day_counter')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a></td></tr>
<tr class="memitem:a4c13117cd5659354dad5d3a3d4b36925 inherit pub_methods_class_quant_lib_1_1_day_counter"><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>
<tr class="separator:a4c13117cd5659354dad5d3a3d4b36925 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a644718bb2fb240de962dc3c9a1fdf0dc inherit pub_methods_class_quant_lib_1_1_day_counter"><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 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether or not the day counter is initialized. <br /></td></tr>
<tr class="separator:a644718bb2fb240de962dc3c9a1fdf0dc inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1d89c28bd42ba9a52da008bb69367171 inherit pub_methods_class_quant_lib_1_1_day_counter"><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 inherit pub_methods_class_quant_lib_1_1_day_counter"><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 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1030acc5095401c041d13d1c3fb9d9c6 inherit pub_methods_class_quant_lib_1_1_day_counter"><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 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of days between two dates. <br /></td></tr>
<tr class="separator:a1030acc5095401c041d13d1c3fb9d9c6 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a28170faaec75755611ff6fc220c1fab8 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memItemLeft" align="right" valign="top"><a id="a28170faaec75755611ff6fc220c1fab8"></a>
<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 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="mdescLeft"> </td><td class="mdescRight">Returns the period between two dates as a fraction of year. <br /></td></tr>
<tr class="separator:a28170faaec75755611ff6fc220c1fab8 inherit pub_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pro_methods_class_quant_lib_1_1_day_counter"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_quant_lib_1_1_day_counter')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a></td></tr>
<tr class="memitem:aaa4f1efef860b6bb4fcd980868483229 inherit pro_methods_class_quant_lib_1_1_day_counter"><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>
<tr class="separator:aaa4f1efef860b6bb4fcd980868483229 inherit pro_methods_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pro_attribs_class_quant_lib_1_1_day_counter"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_class_quant_lib_1_1_day_counter')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a></td></tr>
<tr class="memitem:ac29a938cdc70db8abcde7a84fe62f9b4 inherit pro_attribs_class_quant_lib_1_1_day_counter"><td class="memItemLeft" align="right" valign="top"><a id="ac29a938cdc70db8abcde7a84fe62f9b4"></a>
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>
<tr class="separator:ac29a938cdc70db8abcde7a84fe62f9b4 inherit pro_attribs_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header related_class_quant_lib_1_1_day_counter"><td colspan="2" onclick="javascript:toggleInherit('related_class_quant_lib_1_1_day_counter')"><img src="closed.png" alt="-"/> Related Functions inherited from <a class="el" href="class_quant_lib_1_1_day_counter.html">DayCounter</a></td></tr>
<tr class="memitem:acbca520b46832e1a53e72053c233692c inherit related_class_quant_lib_1_1_day_counter"><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>
<tr class="separator:acbca520b46832e1a53e72053c233692c inherit related_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0f7511e2a309e1588a2f300def9b495c inherit related_class_quant_lib_1_1_day_counter"><td class="memItemLeft" align="right" valign="top"><a id="a0f7511e2a309e1588a2f300def9b495c"></a>
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>
<tr class="separator:a0f7511e2a309e1588a2f300def9b495c inherit related_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a68dd78dd1968d9b0c1d0702a6f3be500 inherit related_class_quant_lib_1_1_day_counter"><td class="memItemLeft" align="right" valign="top"><a id="a68dd78dd1968d9b0c1d0702a6f3be500"></a>
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>
<tr class="separator:a68dd78dd1968d9b0c1d0702a6f3be500 inherit related_class_quant_lib_1_1_day_counter"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Simple day counter for reproducing theoretical calculations. </p>
<p>This day counter tries to ensure that whole-month distances are returned as a simple fraction, i.e., 1 year = 1.0, 6 months = 0.5, 3 months = 0.25 and so forth.</p>
<dl class="caveats"><dt><b><a class="el" href="caveats.html#_caveats000190">Warning:</a></b></dt><dd>this day counter should be used together with <a class="el" href="class_quant_lib_1_1_null_calendar.html" title="Calendar for reproducing theoretical calculations.">NullCalendar</a>, which ensures that dates at whole-month distances share the same day of month. It is <b>not</b> guaranteed to work with any other calendar.</dd></dl>
<dl class="test"><dt><b><a class="el" href="test.html#_test000164">Tests:</a></b></dt><dd>the correctness of the results is checked against known good values. </dd></dl>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="_fitted_bond_curve_8cpp-example.html#_a12">FittedBondCurve.cpp</a>.</dd>
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