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69  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1mprod.html">mprod</a>
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73<h1>bdm::mprod Class Reference</h1><!-- doxytag: class="bdm::mprod" --><!-- doxytag: inherits="bdm::mpdf" -->
74<p>Chain rule decomposition of <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. 
75<a href="#_details">More...</a></p>
76<hr/><a name="_details"></a><h2>Detailed Description</h2>
77<p>Chain rule decomposition of <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. </p>
78<p>Probability density in the form of Chain-rule decomposition: \[ f(x_1,x_2,x_3) = f(x_1|x_2,x_3)f(x_2,x_3)f(x_3) \] Note that </p>
79
80<p><code>#include &lt;<a class="el" href="emix_8h_source.html">emix.h</a>&gt;</code></p>
81
82<p><a href="classbdm_1_1mprod-members.html">List of all members.</a></p>
83<table border="0" cellpadding="0" cellspacing="0">
84<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
85<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afed864cdd0e724d9133e6c6bfcacf94b"></a><!-- doxytag: member="bdm::mprod::mprod" ref="afed864cdd0e724d9133e6c6bfcacf94b" args="()" -->
86&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#afed864cdd0e724d9133e6c6bfcacf94b">mprod</a> ()</td></tr>
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br/></td></tr>
88<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae0d61b25fa0955b2c5fab8c710c42200"></a><!-- doxytag: member="bdm::mprod::mprod" ref="ae0d61b25fa0955b2c5fab8c710c42200" args="(const Array&lt; shared_ptr&lt; mpdf &gt; &gt; &amp;mFacs)" -->
89&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#ae0d61b25fa0955b2c5fab8c710c42200">mprod</a> (const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; &gt; &amp;mFacs)</td></tr>
90<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor from list of mFacs. <br/></td></tr>
91<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aacb4cd6d390ef73a4432d0c4993baffa"></a><!-- doxytag: member="bdm::mprod::set_elements" ref="aacb4cd6d390ef73a4432d0c4993baffa" args="(const Array&lt; shared_ptr&lt; mpdf &gt; &gt; &amp;mFacs)" -->
92void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#aacb4cd6d390ef73a4432d0c4993baffa">set_elements</a> (const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; &gt; &amp;mFacs)</td></tr>
93<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set internal <code>mpdfs</code> from given values. <br/></td></tr>
94<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a800f21d94c919137608a2fd5c88719e2"></a><!-- doxytag: member="bdm::mprod::evallogcond" ref="a800f21d94c919137608a2fd5c88719e2" args="(const vec &amp;val, const vec &amp;cond)" -->
95double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#a800f21d94c919137608a2fd5c88719e2">evallogcond</a> (const vec &amp;val, const vec &amp;cond)</td></tr>
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Shortcut for conditioning and evaluation of the internal <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. In some cases, this operation can be implemented efficiently. <br/></td></tr>
97<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae27b359d2572abfa4cc7d8f947848dab"></a><!-- doxytag: member="bdm::mprod::evallogcond_m" ref="ae27b359d2572abfa4cc7d8f947848dab" args="(const mat &amp;Dt, const vec &amp;cond)" -->
98vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#ae27b359d2572abfa4cc7d8f947848dab">evallogcond_m</a> (const mat &amp;Dt, const vec &amp;cond)</td></tr>
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Matrix version of evallogcond. <br/></td></tr>
100<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae8cdde6056fe20551be1fa460841f5e2"></a><!-- doxytag: member="bdm::mprod::evallogcond_m" ref="ae8cdde6056fe20551be1fa460841f5e2" args="(const Array&lt; vec &gt; &amp;Dt, const vec &amp;cond)" -->
101vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#ae8cdde6056fe20551be1fa460841f5e2">evallogcond_m</a> (const Array&lt; vec &gt; &amp;Dt, const vec &amp;cond)</td></tr>
102<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Array&lt;vec&gt; version of evallogcond. <br/></td></tr>
103<tr><td class="memItemLeft" align="right" valign="top">vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#aee715a8013acf9892f6cb489db595555">samplecond</a> (const vec &amp;cond)</td></tr>
104<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a sample from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_16.png"/>.  <a href="#aee715a8013acf9892f6cb489db595555"></a><br/></td></tr>
105<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#abfa7478f8df1de6d8cd4c349db512831">from_setting</a> (const Setting &amp;set)</td></tr>
106<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::mprod::to_string" ref="aaf0e6941ba5919cae1bc530e2181b109" args="()" -->
107virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#aaf0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br/></td></tr>
109<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::mprod::to_setting" ref="a67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
110virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#a67d954d255ede776eade7334d4895790">to_setting</a> (Setting &amp;set) const </td></tr>
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br/></td></tr>
112<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1c314bd6d6dacb8ba78ea5eb88fd9516"></a><!-- doxytag: member="bdm::mprod::validate" ref="a1c314bd6d6dacb8ba78ea5eb88fd9516" args="()" -->
113virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#a1c314bd6d6dacb8ba78ea5eb88fd9516">validate</a> ()</td></tr>
114<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br/></td></tr>
115<tr><td colspan="2"><div class="groupHeader">Matematical operations</div></td></tr>
116<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp8096b150de0e99b4ea272a92f021107c"></a> </p>
117<br/><br/></div></td></tr>
118<tr><td class="memItemLeft" align="right" valign="top">virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#a6e497d501331057309d2fddf63259d1a">samplecond_m</a> (const vec &amp;cond, int N)</td></tr>
119<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns.  <a href="#a6e497d501331057309d2fddf63259d1a"></a><br/></td></tr>
120<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
121<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpb6eb094f9e6af11f8a7d9efa9d8e3623"></a> </p>
122<br/><br/></div></td></tr>
123<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaa0095f80870f15209bca68a8a7bad8a"></a><!-- doxytag: member="bdm::mprod::_rv" ref="aaa0095f80870f15209bca68a8a7bad8a" args="() const " -->
124const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>_rv</b> () const </td></tr>
125<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a739d5202899bb56792a547c74e517a11"></a><!-- doxytag: member="bdm::mprod::_rvc" ref="a739d5202899bb56792a547c74e517a11" args="() const " -->
126const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>_rvc</b> () const </td></tr>
127<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeea4a999ed9679181335927e9cb66d28"></a><!-- doxytag: member="bdm::mprod::dimension" ref="aeea4a999ed9679181335927e9cb66d28" args="() const " -->
128int&nbsp;</td><td class="memItemRight" valign="bottom"><b>dimension</b> () const </td></tr>
129<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a35e135910aed187b7290742f50e61bc8"></a><!-- doxytag: member="bdm::mprod::dimensionc" ref="a35e135910aed187b7290742f50e61bc8" args="()" -->
130int&nbsp;</td><td class="memItemRight" valign="bottom"><b>dimensionc</b> ()</td></tr>
131<tr><td colspan="2"><div class="groupHeader">Connection to other objects</div></td></tr>
132<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp91e4120baa9617769b7119bfb087c022"></a> </p>
133<br/><br/></div></td></tr>
134<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7631a5570e4ade1420065e8df78f4401"></a><!-- doxytag: member="bdm::mprod::set_rvc" ref="a7631a5570e4ade1420065e8df78f4401" args="(const RV &amp;rvc0)" -->
135void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_rvc</b> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rvc0)</td></tr>
136<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a18ac26bc2f96ae01ef4eb06178abbd75"></a><!-- doxytag: member="bdm::mprod::set_rv" ref="a18ac26bc2f96ae01ef4eb06178abbd75" args="(const RV &amp;rv0)" -->
137void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_rv</b> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv0)</td></tr>
138<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af8e3798150b42fd1f3e16ddbbe0e7045"></a><!-- doxytag: member="bdm::mprod::isnamed" ref="af8e3798150b42fd1f3e16ddbbe0e7045" args="()" -->
139bool&nbsp;</td><td class="memItemRight" valign="bottom"><b>isnamed</b> ()</td></tr>
140<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
141<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a147afacb393324bb3f9a7a89e33f835e"></a><!-- doxytag: member="bdm::mprod::set_ep" ref="a147afacb393324bb3f9a7a89e33f835e" args="(epdf &amp;iepdf)" -->
142void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#a147afacb393324bb3f9a7a89e33f835e">set_ep</a> (<a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;<a class="el" href="classbdm_1_1mprod.html#a9dab8448f970e2e09f76d14af990990d">iepdf</a>)</td></tr>
143<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">set internal pointer <code>ep</code> to point to given <code>iepdf</code> <br/></td></tr>
144<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7555b377f8b5895c9b759c9628ee3e20"></a><!-- doxytag: member="bdm::mprod::set_ep" ref="a7555b377f8b5895c9b759c9628ee3e20" args="(epdf *iepdfp)" -->
145void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#a7555b377f8b5895c9b759c9628ee3e20">set_ep</a> (<a class="el" href="classbdm_1_1epdf.html">epdf</a> *iepdfp)</td></tr>
146<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">set internal pointer <code>ep</code> to point to given <code>iepdf</code> <br/></td></tr>
147<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
148<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9dab8448f970e2e09f76d14af990990d"></a><!-- doxytag: member="bdm::mprod::iepdf" ref="a9dab8448f970e2e09f76d14af990990d" args="" -->
149<a class="el" href="classbdm_1_1epdf.html">epdf</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mprod.html#a9dab8448f970e2e09f76d14af990990d">iepdf</a></td></tr>
150<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dummy <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> used only as storage for <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> and dim <br/></td></tr>
151<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7c1900976ff13dbc09c9729b3bbff9e6"></a><!-- doxytag: member="bdm::mprod::dimc" ref="a7c1900976ff13dbc09c9729b3bbff9e6" args="" -->
152int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#a7c1900976ff13dbc09c9729b3bbff9e6">dimc</a></td></tr>
153<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the condition <br/></td></tr>
154<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5a5f08950daa08b85b01ddf4e1c36288"></a><!-- doxytag: member="bdm::mprod::rvc" ref="a5a5f08950daa08b85b01ddf4e1c36288" args="" -->
155<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1mpdf.html#a5a5f08950daa08b85b01ddf4e1c36288">rvc</a></td></tr>
156<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">random variable in condition <br/></td></tr>
157</table>
158<hr/><h2>Member Function Documentation</h2>
159<a class="anchor" id="abfa7478f8df1de6d8cd4c349db512831"></a><!-- doxytag: member="bdm::mprod::from_setting" ref="abfa7478f8df1de6d8cd4c349db512831" args="(const Setting &amp;set)" -->
160<div class="memitem">
161<div class="memproto">
162      <table class="memname">
163        <tr>
164          <td class="memname">void bdm::mprod::from_setting </td>
165          <td>(</td>
166          <td class="paramtype">const Setting &amp;&nbsp;</td>
167          <td class="paramname"> <em>set</em></td>
168          <td>&nbsp;)&nbsp;</td>
169          <td><code> [inline, virtual]</code></td>
170        </tr>
171      </table>
172</div>
173<div class="memdoc">
174<p>Load from structure with elements: </p>
175<div class="fragment"><pre class="fragment"> { <span class="keyword">class</span>=<span class="stringliteral">&apos;mprod&apos;</span>;
176   mpdfs = (..., ...);     <span class="comment">// list of mpdfs in the order of chain rule</span>
177 }
178</pre></div> 
179<p>Reimplemented from <a class="el" href="classbdm_1_1mpdf.html#a30a0bceb948e287d497c578e371b1667">bdm::mpdf</a>.</p>
180
181<p>References <a class="el" href="user__info_8h_source.html#l00451">bdm::UI::get()</a>, and <a class="el" href="emix_8cpp_source.html#l00205">set_elements()</a>.</p>
182
183</div>
184</div>
185<a class="anchor" id="aee715a8013acf9892f6cb489db595555"></a><!-- doxytag: member="bdm::mprod::samplecond" ref="aee715a8013acf9892f6cb489db595555" args="(const vec &amp;cond)" -->
186<div class="memitem">
187<div class="memproto">
188      <table class="memname">
189        <tr>
190          <td class="memname">vec bdm::mprod::samplecond </td>
191          <td>(</td>
192          <td class="paramtype">const vec &amp;&nbsp;</td>
193          <td class="paramname"> <em>cond</em></td>
194          <td>&nbsp;)&nbsp;</td>
195          <td><code> [inline, virtual]</code></td>
196        </tr>
197      </table>
198</div>
199<div class="memdoc">
200
201<p>Returns a sample from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_16.png"/>. </p>
202<dl><dt><b>Parameters:</b></dt><dd>
203  <table border="0" cellspacing="2" cellpadding="0">
204    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
205  </table>
206  </dd>
207</dl>
208
209<p><p>Ugly hack to help to discover if mpfs are not in proper order. Correct solution = check that explicitely. </p>
210</p>
211
212<p>Reimplemented from <a class="el" href="classbdm_1_1mpdf.html#af0c1db6fcbb3aae2dd6123884457a367">bdm::mpdf</a>.</p>
213
214</div>
215</div>
216<a class="anchor" id="a6e497d501331057309d2fddf63259d1a"></a><!-- doxytag: member="bdm::mprod::samplecond_m" ref="a6e497d501331057309d2fddf63259d1a" args="(const vec &amp;cond, int N)" -->
217<div class="memitem">
218<div class="memproto">
219      <table class="memname">
220        <tr>
221          <td class="memname">mat bdm::mpdf::samplecond_m </td>
222          <td>(</td>
223          <td class="paramtype">const vec &amp;&nbsp;</td>
224          <td class="paramname"> <em>cond</em>, </td>
225        </tr>
226        <tr>
227          <td class="paramkey"></td>
228          <td></td>
229          <td class="paramtype">int&nbsp;</td>
230          <td class="paramname"> <em>N</em></td><td>&nbsp;</td>
231        </tr>
232        <tr>
233          <td></td>
234          <td>)</td>
235          <td></td><td></td><td><code> [virtual, inherited]</code></td>
236        </tr>
237      </table>
238</div>
239<div class="memdoc">
240
241<p>Returns. </p>
242<dl><dt><b>Parameters:</b></dt><dd>
243  <table border="0" cellspacing="2" cellpadding="0">
244    <tr><td valign="top"></td><td valign="top"><em>N</em>&nbsp;</td><td>samples from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_16.png"/>. </td></tr>
245    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
246  </table>
247  </dd>
248</dl>
249
250<p>Reimplemented in <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; EPDF &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; eDirich &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; enorm&lt; sq_T &gt; &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; elognorm &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; TEpdf&lt; sq_T &gt; &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; egamma &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; enorm&lt; ldmat &gt; &gt;</a>, <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; eiWishartCh &gt;</a>, and <a class="el" href="classbdm_1_1mpdf__internal.html#a9554c554054da2d22cb8e908ae9c8823">bdm::mpdf_internal&lt; eigamma &gt;</a>.</p>
251
252<p>References <a class="el" href="bdmbase_8h_source.html#l00489">bdm::mpdf::samplecond()</a>.</p>
253
254</div>
255</div>
256<hr/>The documentation for this class was generated from the following files:<ul>
257<li><a class="el" href="emix_8h_source.html">emix.h</a></li>
258<li>emix.cpp</li>
259</ul>
260</div>
261<hr size="1"/><address style="text-align: right;"><small>Generated on Thu Oct 15 00:07:50 2009 for mixpp by&nbsp;
262<a href="http://www.doxygen.org/index.html">
263<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
264</body>
265</html>
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