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69  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1PF.html">PF</a>
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73<h1>bdm::PF Class Reference</h1><!-- doxytag: class="bdm::PF" --><!-- doxytag: inherits="bdm::BM" -->
74<p>Trivial particle filter with proposal density equal to parameter evolution model. 
75<a href="#_details">More...</a></p>
76<hr/><a name="_details"></a><h2>Detailed Description</h2>
77<p>Trivial particle filter with proposal density equal to parameter evolution model. </p>
78<p>Posterior density is represented by a weighted empirical density (<code><a class="el" href="classbdm_1_1eEmp.html" title="Weighted empirical density.">eEmp</a></code> ). </p>
79
80<p><code>#include &lt;<a class="el" href="particles_8h_source.html">particles.h</a>&gt;</code></p>
81
82<p><a href="classbdm_1_1PF-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">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#abf104b869b5df8dd4a14bbe430d40488">set_options</a> (const string &amp;opt)</td></tr>
86<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a63282dc111d1afb32c194c955d966a15"></a><!-- doxytag: member="bdm::PF::bayes_gensmp" ref="a63282dc111d1afb32c194c955d966a15" args="()" -->
87virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a63282dc111d1afb32c194c955d966a15">bayes_gensmp</a> ()</td></tr>
88<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">bayes I - generate samples and add their weights to lls <br/></td></tr>
89<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aec76b4d647ac7dc683d8c9a7b7611026"></a><!-- doxytag: member="bdm::PF::bayes_weights" ref="aec76b4d647ac7dc683d8c9a7b7611026" args="()" -->
90virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#aec76b4d647ac7dc683d8c9a7b7611026">bayes_weights</a> ()</td></tr>
91<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">bayes II - compute weights of the <br/></td></tr>
92<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac3443faad7159e742ef3cb0674a92634"></a><!-- doxytag: member="bdm::PF::do_resampling" ref="ac3443faad7159e742ef3cb0674a92634" args="()" -->
93virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#ac3443faad7159e742ef3cb0674a92634">do_resampling</a> ()</td></tr>
94<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">important part of particle filtering - decide if it is time to perform resampling <br/></td></tr>
95<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a638946eea22d4964bf9350286bb4efd8">bayes</a> (const vec &amp;dt)</td></tr>
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Incremental Bayes rule.  <a href="#a638946eea22d4964bf9350286bb4efd8"></a><br/></td></tr>
97<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a37cb95af19c7bd13eb3ec61f25923463"></a><!-- doxytag: member="bdm::PF::__w" ref="a37cb95af19c7bd13eb3ec61f25923463" args="()" -->
98vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a37cb95af19c7bd13eb3ec61f25923463">__w</a> ()</td></tr>
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
100<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a82d221d771cbc3c15a37cb358d759734"></a><!-- doxytag: member="bdm::PF::_lls" ref="a82d221d771cbc3c15a37cb358d759734" args="()" -->
101vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a82d221d771cbc3c15a37cb358d759734">_lls</a> ()</td></tr>
102<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
103<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab4e4023b749c33fc6d6b97d805338721"></a><!-- doxytag: member="bdm::PF::_resmethod" ref="ab4e4023b749c33fc6d6b97d805338721" args="() const " -->
104RESAMPLING_METHOD&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#ab4e4023b749c33fc6d6b97d805338721">_resmethod</a> () const </td></tr>
105<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
106<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aee9553da1a05671f94f30e0e94ff42cd"></a><!-- doxytag: member="bdm::PF::posterior" ref="aee9553da1a05671f94f30e0e94ff42cd" args="() const " -->
107const <a class="el" href="classbdm_1_1eEmp.html">eEmp</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#aee9553da1a05671f94f30e0e94ff42cd">posterior</a> () const </td></tr>
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return correctly typed posterior (covariant return) <br/></td></tr>
109<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a40d74160df73d152a9bcf044eac25663">from_setting</a> (const Setting &amp;set)</td></tr>
110<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a30f6a71f3e56ce25e4e0ecafa0ffbd8d"></a><!-- doxytag: member="bdm::PF::resmethod_from_set" ref="a30f6a71f3e56ce25e4e0ecafa0ffbd8d" args="(const Setting &amp;set)" -->
111void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a30f6a71f3e56ce25e4e0ecafa0ffbd8d">resmethod_from_set</a> (const Setting &amp;set)</td></tr>
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">auxiliary function reading parameter 'resmethod' from configuration file <br/></td></tr>
113<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8ac867d4b88c2c6c73ae29d47f37d0bb"></a><!-- doxytag: member="bdm::PF::prior_from_set" ref="a8ac867d4b88c2c6c73ae29d47f37d0bb" args="(const Setting &amp;set)" -->
114void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a8ac867d4b88c2c6c73ae29d47f37d0bb">prior_from_set</a> (const Setting &amp;set)</td></tr>
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">load prior information from set and set internal structures accordingly <br/></td></tr>
116<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7ebbb12b5b01e8ac6985af0e04e0f0c2"></a><!-- doxytag: member="bdm::PF::validate" ref="a7ebbb12b5b01e8ac6985af0e04e0f0c2" args="()" -->
117void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a7ebbb12b5b01e8ac6985af0e04e0f0c2">validate</a> ()</td></tr>
118<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br/></td></tr>
119<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a10fd6402c67ad3ee3a1a9a23fe91d7d7"></a><!-- doxytag: member="bdm::PF::resample" ref="a10fd6402c67ad3ee3a1a9a23fe91d7d7" args="(ivec &amp;ind)" -->
120void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a10fd6402c67ad3ee3a1a9a23fe91d7d7">resample</a> (ivec &amp;ind)</td></tr>
121<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">resample posterior density (from outside - see <a class="el" href="classbdm_1_1MPF.html" title="Marginalized Particle filter.">MPF</a>) <br/></td></tr>
122<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad9a47fe83feff47b5c60c2f03117b4bb"></a><!-- doxytag: member="bdm::PF::__samples" ref="ad9a47fe83feff47b5c60c2f03117b4bb" args="()" -->
123Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#ad9a47fe83feff47b5c60c2f03117b4bb">__samples</a> ()</td></tr>
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
125<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::PF::to_string" ref="aaf0e6941ba5919cae1bc530e2181b109" args="()" -->
126virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#aaf0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br/></td></tr>
128<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::PF::to_setting" ref="a67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
129virtual 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>
130<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br/></td></tr>
131<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
132<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> </p>
133<br/><br/></div></td></tr>
134<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a297339fd48bc1cfd011d16603d54accb"></a><!-- doxytag: member="bdm::PF::PF" ref="a297339fd48bc1cfd011d16603d54accb" args="()" -->
135&nbsp;</td><td class="memItemRight" valign="bottom"><b>PF</b> ()</td></tr>
136<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6b2a5ff7a9da0c881ecfc905e5643417"></a><!-- doxytag: member="bdm::PF::set_parameters" ref="a6b2a5ff7a9da0c881ecfc905e5643417" args="(int n0, double res_th0=0.5, RESAMPLING_METHOD rm=SYSTEMATIC)" -->
137void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int n0, double res_th0=0.5, RESAMPLING_METHOD rm=SYSTEMATIC)</td></tr>
138<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9e37481febc4061d3ff0f58f3f560b8d"></a><!-- doxytag: member="bdm::PF::set_model" ref="a9e37481febc4061d3ff0f58f3f560b8d" args="(shared_ptr&lt; mpdf &gt; par0, shared_ptr&lt; mpdf &gt; obs0)" -->
139void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_model</b> (<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; par0, <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; obs0)</td></tr>
140<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac9a4df02d81ad3559caebeed74b16167"></a><!-- doxytag: member="bdm::PF::set_statistics" ref="ac9a4df02d81ad3559caebeed74b16167" args="(const vec w0, const epdf &amp;epdf0)" -->
141void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_statistics</b> (const vec w0, const <a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;epdf0)</td></tr>
142<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3027ebe66f806275e356eb7df9076173"></a><!-- doxytag: member="bdm::PF::set_statistics" ref="a3027ebe66f806275e356eb7df9076173" args="(const eEmp &amp;epdf0)" -->
143void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_statistics</b> (const <a class="el" href="classbdm_1_1eEmp.html">eEmp</a> &amp;epdf0)</td></tr>
144<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
145<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> </p>
146<br/><br/></div></td></tr>
147<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classbdm_1_1BM.html">BM</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a40f01563651c1e4fe926189e41a6b8ab">_copy_</a> () const </td></tr>
148<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy function required in vectors, Arrays of <a class="el" href="classbdm_1_1BM.html" title="Bayesian Model of a system, i.e. all uncertainty is modeled by probabilities.">BM</a> etc. Have to be DELETED manually! Prototype:.  <a href="#a40f01563651c1e4fe926189e41a6b8ab"></a><br/></td></tr>
149<tr><td colspan="2"><div class="groupHeader">Mathematical operations</div></td></tr>
150<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpfb3595af27ed8bd142c95323c0dab340"></a> </p>
151<br/><br/></div></td></tr>
152<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1dee3fddaf021e62d925289660a707dc"></a><!-- doxytag: member="bdm::PF::bayesB" ref="a1dee3fddaf021e62d925289660a707dc" args="(const mat &amp;Dt)" -->
153virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a1dee3fddaf021e62d925289660a707dc">bayesB</a> (const mat &amp;Dt)</td></tr>
154<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Batch Bayes rule (columns of Dt are observations). <br/></td></tr>
155<tr><td class="memItemLeft" align="right" valign="top">virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a50257e0c1e5b5c73153ea6e716ad8ae0">logpred</a> (const vec &amp;dt) const </td></tr>
156<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0e8ebe61fb14990abe1254bd3dda5fae"></a><!-- doxytag: member="bdm::PF::logpred_m" ref="a0e8ebe61fb14990abe1254bd3dda5fae" args="(const mat &amp;dt) const " -->
157vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a0e8ebe61fb14990abe1254bd3dda5fae">logpred_m</a> (const mat &amp;dt) const </td></tr>
158<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Matrix version of logpred. <br/></td></tr>
159<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a688d7a2aced1e06aa1c468d73a9e5eba"></a><!-- doxytag: member="bdm::PF::epredictor" ref="a688d7a2aced1e06aa1c468d73a9e5eba" args="() const " -->
160virtual <a class="el" href="classbdm_1_1epdf.html">epdf</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a688d7a2aced1e06aa1c468d73a9e5eba">epredictor</a> () const </td></tr>
161<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructs a predictive density <img class="formulaInl" alt="$ f(d_{t+1} |d_{t}, \ldots d_{0}) $" src="form_20.png"/>. <br/></td></tr>
162<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a598b25e3f3d96a5bc00a5faeb5b3c912"></a><!-- doxytag: member="bdm::PF::predictor" ref="a598b25e3f3d96a5bc00a5faeb5b3c912" args="() const " -->
163virtual <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a598b25e3f3d96a5bc00a5faeb5b3c912">predictor</a> () const </td></tr>
164<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructs conditional density of 1-step ahead predictor <img class="formulaInl" alt="$ f(d_{t+1} |d_{t+h-1}, \ldots d_{t}) $" src="form_21.png"/>. <br/></td></tr>
165<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
166<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpb6eb094f9e6af11f8a7d9efa9d8e3623"></a> access function </p>
167<br/><br/></div></td></tr>
168<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aff2d8755ba0b3def927d31305c03b09c"></a><!-- doxytag: member="bdm::PF::_drv" ref="aff2d8755ba0b3def927d31305c03b09c" args="() const " -->
169const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>_drv</b> () const </td></tr>
170<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af135ae6dce7e9f30c9f88229c7930b96"></a><!-- doxytag: member="bdm::PF::set_drv" ref="af135ae6dce7e9f30c9f88229c7930b96" args="(const RV &amp;rv)" -->
171void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#af135ae6dce7e9f30c9f88229c7930b96">set_drv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv)</td></tr>
172<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
173<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab38d92f17620813ad872d86e01a26e5e"></a><!-- doxytag: member="bdm::PF::set_rv" ref="ab38d92f17620813ad872d86e01a26e5e" args="(const RV &amp;rv)" -->
174void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#ab38d92f17620813ad872d86e01a26e5e">set_rv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv)</td></tr>
175<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access to rv of the posterior <br/></td></tr>
176<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5be65d37dedfe33a3671e7065f523a70"></a><!-- doxytag: member="bdm::PF::_ll" ref="a5be65d37dedfe33a3671e7065f523a70" args="() const " -->
177double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a5be65d37dedfe33a3671e7065f523a70">_ll</a> () const </td></tr>
178<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return internal log-likelihood of the last data vector <br/></td></tr>
179<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a236b3abbcc93594fc97cd86d82c1a83f"></a><!-- doxytag: member="bdm::PF::set_evalll" ref="a236b3abbcc93594fc97cd86d82c1a83f" args="(bool evl0)" -->
180void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a236b3abbcc93594fc97cd86d82c1a83f">set_evalll</a> (bool evl0)</td></tr>
181<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">switch evaluation of log-likelihood on/off <br/></td></tr>
182<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
183<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeeafaf9b8ad75fe62ee9fd6369e3f7fe"></a><!-- doxytag: member="bdm::PF::n" ref="aeeafaf9b8ad75fe62ee9fd6369e3f7fe" args="" -->
184int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#aeeafaf9b8ad75fe62ee9fd6369e3f7fe">n</a></td></tr>
185<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">number of particles; <br/></td></tr>
186<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc049265b9086cad7071f98d00a2b9af"></a><!-- doxytag: member="bdm::PF::est" ref="adc049265b9086cad7071f98d00a2b9af" args="" -->
187<a class="el" href="classbdm_1_1eEmp.html">eEmp</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#adc049265b9086cad7071f98d00a2b9af">est</a></td></tr>
188<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">posterior density <br/></td></tr>
189<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af5149d5522d1095d39240c4c607f61a3"></a><!-- doxytag: member="bdm::PF::_w" ref="af5149d5522d1095d39240c4c607f61a3" args="" -->
190vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#af5149d5522d1095d39240c4c607f61a3">_w</a></td></tr>
191<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">pointer into <code><a class="el" href="classbdm_1_1eEmp.html" title="Weighted empirical density.">eEmp</a></code> <br/></td></tr>
192<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a914bd66025692c4018dbd482cb3c47c1"></a><!-- doxytag: member="bdm::PF::_samples" ref="a914bd66025692c4018dbd482cb3c47c1" args="" -->
193Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a914bd66025692c4018dbd482cb3c47c1">_samples</a></td></tr>
194<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">pointer into <code><a class="el" href="classbdm_1_1eEmp.html" title="Weighted empirical density.">eEmp</a></code> <br/></td></tr>
195<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0b7ffedb2051161df6c102881afe41ff"></a><!-- doxytag: member="bdm::PF::par" ref="a0b7ffedb2051161df6c102881afe41ff" args="" -->
196<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a0b7ffedb2051161df6c102881afe41ff">par</a></td></tr>
197<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Parameter evolution model. <br/></td></tr>
198<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a77ed889e1b993df253e93059933d227d"></a><!-- doxytag: member="bdm::PF::obs" ref="a77ed889e1b993df253e93059933d227d" args="" -->
199<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a77ed889e1b993df253e93059933d227d">obs</a></td></tr>
200<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Observation model. <br/></td></tr>
201<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a08cffd22d6e9501f283972245aeff8cd"></a><!-- doxytag: member="bdm::PF::lls" ref="a08cffd22d6e9501f283972245aeff8cd" args="" -->
202vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a08cffd22d6e9501f283972245aeff8cd">lls</a></td></tr>
203<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">internal structure storing loglikelihood of predictions <br/></td></tr>
204<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9932c7c5865954ef9a438afcbe944e52"></a><!-- doxytag: member="bdm::PF::resmethod" ref="a9932c7c5865954ef9a438afcbe944e52" args="" -->
205RESAMPLING_METHOD&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a9932c7c5865954ef9a438afcbe944e52">resmethod</a></td></tr>
206<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">which resampling method will be used <br/></td></tr>
207<tr><td class="memItemLeft" align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#ab16816e20f97f9bec993d1f25fc3d711">res_threshold</a></td></tr>
208<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac400357e37d27a4834b2b1d9211009ed"></a><!-- doxytag: member="bdm::PF::drv" ref="ac400357e37d27a4834b2b1d9211009ed" args="" -->
209<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#ac400357e37d27a4834b2b1d9211009ed">drv</a></td></tr>
210<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Random variable of the data (optional). <br/></td></tr>
211<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4064b6559d962633e4372b12f4cd204a"></a><!-- doxytag: member="bdm::PF::ll" ref="a4064b6559d962633e4372b12f4cd204a" args="" -->
212double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a4064b6559d962633e4372b12f4cd204a">ll</a></td></tr>
213<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Logarithm of marginalized data likelihood. <br/></td></tr>
214<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afaff0ad12556fe7dc0e2807d4fd938ee"></a><!-- doxytag: member="bdm::PF::evalll" ref="afaff0ad12556fe7dc0e2807d4fd938ee" args="" -->
215bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#afaff0ad12556fe7dc0e2807d4fd938ee">evalll</a></td></tr>
216<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">If true, the filter will compute likelihood of the data record and store it in <code>ll</code> . Set to false if you want to save computational time. <br/></td></tr>
217<tr><td colspan="2"><div class="groupHeader">Options</div></td></tr>
218<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpdae8ace18bdcbcc6ae5aece263e14fe8"></a> </p>
219<br/><br/></div></td></tr>
220<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a98ef9ff80c394fafd28680b7a3f831b1"></a><!-- doxytag: member="bdm::PF::opt_L_smp" ref="a98ef9ff80c394fafd28680b7a3f831b1" args="" -->
221bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a98ef9ff80c394fafd28680b7a3f831b1">opt_L_smp</a></td></tr>
222<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Log all samples. <br/></td></tr>
223<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5a49463a88ee80771a464861df845ff6"></a><!-- doxytag: member="bdm::PF::opt_L_wei" ref="a5a49463a88ee80771a464861df845ff6" args="" -->
224bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1PF.html#a5a49463a88ee80771a464861df845ff6">opt_L_wei</a></td></tr>
225<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Log all samples. <br/></td></tr>
226<tr><td colspan="2"><h2>Extension to conditional BM</h2></td></tr>
227<tr><td colspan="2"><p><a class="anchor" id="amgrp74e1db869c28ea37aac65bd658ff5da4"></a> This extension is useful e.g. in Marginalized Particle Filter (<a class="el" href="classbdm_1_1MPF.html">bdm::MPF</a>). Alternatively, it can be used for automated connection to <a class="el" href="classbdm_1_1DS.html" title="Abstract class for discrete-time sources of data.">DS</a> when the condition is observed </p>
228<br/><br/></td></tr>
229<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab5e8e016be16e4029c789063cb3f3b33"></a><!-- doxytag: member="bdm::PF::_rvc" ref="ab5e8e016be16e4029c789063cb3f3b33" args="() const " -->
230const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#ab5e8e016be16e4029c789063cb3f3b33">_rvc</a> () const </td></tr>
231<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
232<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6799f4b16a6a59ed58b1d0d6e17116f4"></a><!-- doxytag: member="bdm::PF::condition" ref="a6799f4b16a6a59ed58b1d0d6e17116f4" args="(const vec &amp;val)" -->
233virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a6799f4b16a6a59ed58b1d0d6e17116f4">condition</a> (const vec &amp;val)</td></tr>
234<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Substitute <code>val</code> for <code>rvc</code>. <br/></td></tr>
235<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ade95c590d650b2db423d53992f0906cb"></a><!-- doxytag: member="bdm::PF::rvc" ref="ade95c590d650b2db423d53992f0906cb" args="" -->
236<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#ade95c590d650b2db423d53992f0906cb">rvc</a></td></tr>
237<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name of extension variable. <br/></td></tr>
238<tr><td colspan="2"><h2>Logging of results</h2></td></tr>
239<tr><td colspan="2"><p><a class="anchor" id="amgrp5b751fa78120752d90ae4487df3bfa73"></a> </p>
240<br/><br/></td></tr>
241<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2298ca6af9b13a78a4c9e18ab43f1827"></a><!-- doxytag: member="bdm::PF::log_add" ref="a2298ca6af9b13a78a4c9e18ab43f1827" args="(logger &amp;L, const string &amp;name=&quot;&quot;)" -->
242virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a2298ca6af9b13a78a4c9e18ab43f1827">log_add</a> (<a class="el" href="classbdm_1_1logger.html">logger</a> &amp;L, const string &amp;name=&quot;&quot;)</td></tr>
243<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Add all logged variables to a <a class="el" href="classbdm_1_1logger.html" title="Class for storing results (and semi-results) of an experiment.">logger</a>. <br/></td></tr>
244<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab517e1679eaa94e803ea4cd0b8efbcd7"></a><!-- doxytag: member="bdm::PF::logit" ref="ab517e1679eaa94e803ea4cd0b8efbcd7" args="(logger &amp;L)" -->
245virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#ab517e1679eaa94e803ea4cd0b8efbcd7">logit</a> (<a class="el" href="classbdm_1_1logger.html">logger</a> &amp;L)</td></tr>
246<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Save results to the given <a class="el" href="classbdm_1_1logger.html" title="Class for storing results (and semi-results) of an experiment.">logger</a>, details of what is stored is configured by <code>LIDs</code> and <code>options</code>. <br/></td></tr>
247<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a109c1a626a69031658e3a44e9e500cca"></a><!-- doxytag: member="bdm::PF::LIDs" ref="a109c1a626a69031658e3a44e9e500cca" args="" -->
248ivec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a109c1a626a69031658e3a44e9e500cca">LIDs</a></td></tr>
249<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">IDs of storages in loggers 4:[1=mean,2=lb,3=ub,4=ll]. <br/></td></tr>
250<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a398b7e7a162cf37d0022d6126495f207"></a><!-- doxytag: member="bdm::PF::LFlags" ref="a398b7e7a162cf37d0022d6126495f207" args="" -->
251ivec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1BM.html#a398b7e7a162cf37d0022d6126495f207">LFlags</a></td></tr>
252<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Flags for logging - same size as LIDs, each entry correspond to the same in LIDs. <br/></td></tr>
253</table>
254<hr/><h2>Member Function Documentation</h2>
255<a class="anchor" id="a40f01563651c1e4fe926189e41a6b8ab"></a><!-- doxytag: member="bdm::PF::_copy_" ref="a40f01563651c1e4fe926189e41a6b8ab" args="() const " -->
256<div class="memitem">
257<div class="memproto">
258      <table class="memname">
259        <tr>
260          <td class="memname">virtual <a class="el" href="classbdm_1_1BM.html">BM</a>* bdm::BM::_copy_ </td>
261          <td>(</td>
262          <td class="paramname"></td>
263          <td>&nbsp;)&nbsp;</td>
264          <td> const<code> [inline, virtual, inherited]</code></td>
265        </tr>
266      </table>
267</div>
268<div class="memdoc">
269
270<p>Copy function required in vectors, Arrays of <a class="el" href="classbdm_1_1BM.html" title="Bayesian Model of a system, i.e. all uncertainty is modeled by probabilities.">BM</a> etc. Have to be DELETED manually! Prototype:. </p>
271<div class="fragment"><pre class="fragment"> BM* <a class="code" href="classbdm_1_1BM.html#a40f01563651c1e4fe926189e41a6b8ab" title="Copy function required in vectors, Arrays of BM etc. Have to be DELETED manually!...">_copy_</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">new</span> BM(*<span class="keyword">this</span>);}
272</pre></div> 
273<p>Reimplemented in <a class="el" href="classbdm_1_1ARX.html#aca0b54c0997cfd567f49377af5def106">bdm::ARX</a>, <a class="el" href="classbdm_1_1ARXfrg.html#a420f3f195d231723f2f2329ec900de60">bdm::ARXfrg</a>, <a class="el" href="classbdm_1_1KalmanFull.html#ab77ade422273f60b8955122b81abf3c1">bdm::KalmanFull</a>, <a class="el" href="classbdm_1_1KalmanCh.html#a24ce65bdaa538d4d5153d709a929b996">bdm::KalmanCh</a>, <a class="el" href="classbdm_1_1EKFCh.html#a1d1d91400e3f177de9fe7962ea17adc4">bdm::EKFCh</a>, and <a class="el" href="classbdm_1_1BMEF.html#a62d2e4691bed41a1efa6b9c2e35e5c67">bdm::BMEF</a>.</p>
274
275<p>Referenced by <a class="el" href="particles_8h_source.html#l00316">bdm::MPF::set_BM()</a>.</p>
276
277</div>
278</div>
279<a class="anchor" id="a638946eea22d4964bf9350286bb4efd8"></a><!-- doxytag: member="bdm::PF::bayes" ref="a638946eea22d4964bf9350286bb4efd8" args="(const vec &amp;dt)" -->
280<div class="memitem">
281<div class="memproto">
282      <table class="memname">
283        <tr>
284          <td class="memname">void bdm::PF::bayes </td>
285          <td>(</td>
286          <td class="paramtype">const vec &amp;&nbsp;</td>
287          <td class="paramname"> <em>dt</em></td>
288          <td>&nbsp;)&nbsp;</td>
289          <td><code> [virtual]</code></td>
290        </tr>
291      </table>
292</div>
293<div class="memdoc">
294
295<p>Incremental Bayes rule. </p>
296<dl><dt><b>Parameters:</b></dt><dd>
297  <table border="0" cellspacing="2" cellpadding="0">
298    <tr><td valign="top"></td><td valign="top"><em>dt</em>&nbsp;</td><td>vector of input data </td></tr>
299  </table>
300  </dd>
301</dl>
302
303<p>Implements <a class="el" href="classbdm_1_1BM.html#a60b1779a577367c369a932cabd3a6188">bdm::BM</a>.</p>
304
305<p>References <a class="el" href="particles_8h_source.html#l00036">_samples</a>, <a class="el" href="particles_8cpp_source.html#l00007">bayes_gensmp()</a>, <a class="el" href="particles_8cpp_source.html#l00015">bayes_weights()</a>, <a class="el" href="particles_8h_source.html#l00099">do_resampling()</a>, <a class="el" href="particles_8h_source.html#l00032">est</a>, <a class="el" href="particles_8h_source.html#l00042">lls</a>, <a class="el" href="particles_8h_source.html#l00030">n</a>, <a class="el" href="particles_8h_source.html#l00040">obs</a>, <a class="el" href="exp__family_8cpp_source.html#l00265">bdm::eEmp::resample()</a>, and <a class="el" href="particles_8h_source.html#l00045">resmethod</a>.</p>
306
307</div>
308</div>
309<a class="anchor" id="a40d74160df73d152a9bcf044eac25663"></a><!-- doxytag: member="bdm::PF::from_setting" ref="a40d74160df73d152a9bcf044eac25663" args="(const Setting &amp;set)" -->
310<div class="memitem">
311<div class="memproto">
312      <table class="memname">
313        <tr>
314          <td class="memname">void bdm::PF::from_setting </td>
315          <td>(</td>
316          <td class="paramtype">const Setting &amp;&nbsp;</td>
317          <td class="paramname"> <em>set</em></td>
318          <td>&nbsp;)&nbsp;</td>
319          <td><code> [inline, virtual]</code></td>
320        </tr>
321      </table>
322</div>
323<div class="memdoc">
324<p>configuration structure for basic <a class="el" href="classbdm_1_1PF.html" title="Trivial particle filter with proposal density equal to parameter evolution model...">PF</a> </p>
325<div class="fragment"><pre class="fragment">        parameter_pdf   = mpdf_class;         <span class="comment">// parameter evolution pdf</span>
326        observation_pdf = mpdf_class;         <span class="comment">// observation pdf</span>
327        prior           = epdf_class;         <span class="comment">// prior probability density</span>
328        --- optional ---
329        n               = 10;                 <span class="comment">// number of particles</span>
330        <a class="code" href="classbdm_1_1PF.html#a9932c7c5865954ef9a438afcbe944e52" title="which resampling method will be used">resmethod</a>       = <span class="stringliteral">&apos;systematic&apos;</span>, or <span class="stringliteral">&apos;multinomial&apos;</span>, or <span class="stringliteral">&apos;stratified&apos;</span>
331                                                                                  <span class="comment">// resampling method</span>
332        <a class="code" href="classbdm_1_1PF.html#ab16816e20f97f9bec993d1f25fc3d711">res_threshold</a>   = 0.5;                <span class="comment">// resample when active particles drop below 50%</span>
333</pre></div> 
334<p>Reimplemented from <a class="el" href="classbdm_1_1BM.html#a23c6a8f71f922023ab08dcb0487a86de">bdm::BM</a>.</p>
335
336<p>References <a class="el" href="bdmbase_8cpp_source.html#l00101">bdm::RV::add()</a>, <a class="el" href="particles_8h_source.html#l00040">obs</a>, <a class="el" href="particles_8h_source.html#l00038">par</a>, <a class="el" href="particles_8h_source.html#l00167">prior_from_set()</a>, <a class="el" href="particles_8h_source.html#l00143">resmethod_from_set()</a>, and <a class="el" href="bdmbase_8h_source.html#l01149">bdm::BM::set_drv()</a>.</p>
337
338</div>
339</div>
340<a class="anchor" id="a50257e0c1e5b5c73153ea6e716ad8ae0"></a><!-- doxytag: member="bdm::PF::logpred" ref="a50257e0c1e5b5c73153ea6e716ad8ae0" args="(const vec &amp;dt) const " -->
341<div class="memitem">
342<div class="memproto">
343      <table class="memname">
344        <tr>
345          <td class="memname">virtual double bdm::BM::logpred </td>
346          <td>(</td>
347          <td class="paramtype">const vec &amp;&nbsp;</td>
348          <td class="paramname"> <em>dt</em></td>
349          <td>&nbsp;)&nbsp;</td>
350          <td> const<code> [inline, virtual, inherited]</code></td>
351        </tr>
352      </table>
353</div>
354<div class="memdoc">
355<p>Evaluates predictive log-likelihood of the given data record I.e. marginal likelihood of the data with the posterior integrated out. </p>
356
357<p>Reimplemented in <a class="el" href="classbdm_1_1ARX.html#a080a7e531e3aa06694112863b15bc6a4">bdm::ARX</a>, <a class="el" href="classbdm_1_1MixEF.html#ada724da464a75e07521941e430929efa">bdm::MixEF</a>, and <a class="el" href="classbdm_1_1multiBM.html#ae157b607c1e3fa91d42aeea44458e2bf">bdm::multiBM</a>.</p>
358
359<p>References <a class="el" href="bdmerror_8h_source.html#l00051">bdm_error</a>.</p>
360
361<p>Referenced by <a class="el" href="bdmbase_8h_source.html#l01102">bdm::BM::logpred_m()</a>.</p>
362
363</div>
364</div>
365<a class="anchor" id="abf104b869b5df8dd4a14bbe430d40488"></a><!-- doxytag: member="bdm::PF::set_options" ref="abf104b869b5df8dd4a14bbe430d40488" args="(const string &amp;opt)" -->
366<div class="memitem">
367<div class="memproto">
368      <table class="memname">
369        <tr>
370          <td class="memname">void bdm::PF::set_options </td>
371          <td>(</td>
372          <td class="paramtype">const string &amp;&nbsp;</td>
373          <td class="paramname"> <em>opt</em></td>
374          <td>&nbsp;)&nbsp;</td>
375          <td><code> [inline, virtual]</code></td>
376        </tr>
377      </table>
378</div>
379<div class="memdoc">
380<p>Set posterior density by sampling from epdf0 Extends original <a class="el" href="classbdm_1_1BM.html#aadb539fa2585c8a2a91c54e5aebf330e" title="Set boolean options from a string, recognized are: &quot;logbounds,logll&quot;.">BM::set_options</a> by two more options: </p>
381<ul>
382<li>logweights - meaning that all weightes will be logged </li>
383<li>logsamples - all samples will be also logged </li>
384</ul>
385
386<p>Reimplemented from <a class="el" href="classbdm_1_1BM.html#aadb539fa2585c8a2a91c54e5aebf330e">bdm::BM</a>.</p>
387
388<p>References <a class="el" href="particles_8h_source.html#l00054">opt_L_smp</a>, and <a class="el" href="particles_8h_source.html#l00056">opt_L_wei</a>.</p>
389
390</div>
391</div>
392<hr/><h2>Member Data Documentation</h2>
393<a class="anchor" id="ab16816e20f97f9bec993d1f25fc3d711"></a><!-- doxytag: member="bdm::PF::res_threshold" ref="ab16816e20f97f9bec993d1f25fc3d711" args="" -->
394<div class="memitem">
395<div class="memproto">
396      <table class="memname">
397        <tr>
398          <td class="memname">double <a class="el" href="classbdm_1_1PF.html#ab16816e20f97f9bec993d1f25fc3d711">bdm::PF::res_threshold</a><code> [protected]</code></td>
399        </tr>
400      </table>
401</div>
402<div class="memdoc">
403<p>resampling threshold; in this case its meaning is minimum ratio of active particles For example, for 0.5 resampling is performed when the numebr of active aprticles drops belo 50%. </p>
404
405<p>Referenced by <a class="el" href="particles_8h_source.html#l00099">do_resampling()</a>, and <a class="el" href="particles_8h_source.html#l00143">resmethod_from_set()</a>.</p>
406
407</div>
408</div>
409<hr/>The documentation for this class was generated from the following files:<ul>
410<li><a class="el" href="particles_8h_source.html">particles.h</a></li>
411<li>particles.cpp</li>
412</ul>
413</div>
414<hr size="1"/><address style="text-align: right;"><small>Generated on Thu Oct 15 00:07:49 2009 for mixpp by&nbsp;
415<a href="http://www.doxygen.org/index.html">
416<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
417</body>
418</html>
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