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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_interpolation.html">Interpolation</a></li> </ul>
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<a href="#nested-classes">Classes</a> |
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<div class="title">Interpolation Class Reference</div> </div>
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<p>base class for 1-D interpolations.
<a href="class_quant_lib_1_1_interpolation.html#details">More...</a></p>
<p><code>#include <ql/math/interpolation.hpp></code></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Interpolation:</div>
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<div class="center"><img src="class_quant_lib_1_1_interpolation__inherit__graph.png" border="0" usemap="#a_interpolation_inherit__map" alt="Inheritance graph"/></div>
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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_interpolation_1_1_impl.html">Impl</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">abstract base class for interpolation implementations <a href="class_quant_lib_1_1_interpolation_1_1_impl.html#details">More...</a><br /></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">basic template implementation <a href="class_quant_lib_1_1_interpolation_1_1template_impl.html#details">More...</a><br /></td></tr>
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typedef <a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>argument_type</b></td></tr>
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typedef <a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>result_type</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>empty</b> () const</td></tr>
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<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>operator()</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x, bool allowExtrapolation=false) const</td></tr>
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<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>primitive</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x, bool allowExtrapolation=false) const</td></tr>
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<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>derivative</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x, bool allowExtrapolation=false) const</td></tr>
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<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>secondDerivative</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x, bool allowExtrapolation=false) const</td></tr>
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<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>xMin</b> () const</td></tr>
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<tr class="memitem:a7f70132c816636eee187ed4022f7c6c7"><td class="memItemLeft" align="right" valign="top"><a id="a7f70132c816636eee187ed4022f7c6c7"></a>
<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><b>xMax</b> () const</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>isInRange</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x) const</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>update</b> ()</td></tr>
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<tr class="inherit_header pub_methods_class_quant_lib_1_1_extrapolator"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_quant_lib_1_1_extrapolator')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_quant_lib_1_1_extrapolator.html">Extrapolator</a></td></tr>
<tr class="memitem:ae60e793a77f44a9c022b103458fa993c inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memItemLeft" align="right" valign="top"><a id="ae60e793a77f44a9c022b103458fa993c"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_extrapolator.html#ae60e793a77f44a9c022b103458fa993c">enableExtrapolation</a> (bool b=true)</td></tr>
<tr class="memdesc:ae60e793a77f44a9c022b103458fa993c inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="mdescLeft"> </td><td class="mdescRight">enable extrapolation in subsequent calls <br /></td></tr>
<tr class="separator:ae60e793a77f44a9c022b103458fa993c inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abab5047522a68771f2b1d51d1ac78383 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memItemLeft" align="right" valign="top"><a id="abab5047522a68771f2b1d51d1ac78383"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_extrapolator.html#abab5047522a68771f2b1d51d1ac78383">disableExtrapolation</a> (bool b=true)</td></tr>
<tr class="memdesc:abab5047522a68771f2b1d51d1ac78383 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="mdescLeft"> </td><td class="mdescRight">disable extrapolation in subsequent calls <br /></td></tr>
<tr class="separator:abab5047522a68771f2b1d51d1ac78383 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a323f875818fddd62a1c56c25ddaee418 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memItemLeft" align="right" valign="top"><a id="a323f875818fddd62a1c56c25ddaee418"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_extrapolator.html#a323f875818fddd62a1c56c25ddaee418">allowsExtrapolation</a> () const</td></tr>
<tr class="memdesc:a323f875818fddd62a1c56c25ddaee418 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="mdescLeft"> </td><td class="mdescRight">tells whether extrapolation is enabled <br /></td></tr>
<tr class="separator:a323f875818fddd62a1c56c25ddaee418 inherit pub_methods_class_quant_lib_1_1_extrapolator"><td class="memSeparator" colspan="2"> </td></tr>
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Protected Member Functions</h2></td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>checkRange</b> (<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> x, bool extrapolate) const</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_interpolation_1_1_impl.html">Impl</a> > </td><td class="memItemRight" valign="bottom"><b>impl_</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>base class for 1-D interpolations. </p>
<p>Classes derived from this class will provide interpolated values from two sequences of equal length, representing discretized values of a variable and a function of the former, respectively.</p>
<dl class="caveats"><dt><b><a class="el" href="caveats.html#_caveats000081">Warning:</a></b></dt><dd>Interpolations don't copy their underlying data; instead, they store iterators through which they access them. This allow them to see changes in the underlying data without having to propagate them manually, but adds the requirement that the lifetime of the underlying data exceeds or equals the lifetime of the interpolation. It is up to the user to ensure this: usually, a class will store as data members both the data and the interpolation (see, e.g., the <a class="el" href="class_quant_lib_1_1_interpolated_curve.html" title="Helper class to build interpolated term structures.">InterpolatedCurve</a> class) and call the update() method on the latter when the data change. </dd></dl>
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