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<a href="bs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">Copyright (c) by respective owners including Yahoo!, Microsoft, and</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">individual contributors. All rights reserved. Released under a BSD</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">license as described in the file LICENSE.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> */</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="bs_8h.html#a8c0d8475abdfcdaf21a68c4b2945f3de"> 8</a></span> <span class="preprocessor">#define BS_TYPE_MEAN 0</span></div><div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="bs_8h.html#a907800596f3b54d22867347fbba61da4"> 9</a></span> <span class="preprocessor">#define BS_TYPE_VOTE 1</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">struct </span><a class="code" href="structrand__state.html">rand_state</a>;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <a class="code" href="structLEARNER_1_1learner.html">LEARNER::base_learner</a>* <a class="code" href="bs_8h.html#a1d14268847dbc2451ac27c9adc465c3f">bs_setup</a>(<a class="code" href="structVW_1_1config_1_1options__i.html">VW::config::options_i</a>& options, <a class="code" href="structvw.html">vw</a>& all);</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="namespaceBS.html"> 15</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceBS.html">BS</a></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> {</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="namespaceBS.html#a3f19f4a11eca7bcb633823c1ac1e057a"> 17</a></span> <span class="keyword">inline</span> uint32_t <a class="code" href="namespaceBS.html#a3f19f4a11eca7bcb633823c1ac1e057a">weight_gen</a>(std::shared_ptr<rand_state>& state) <span class="comment">// sampling from Poisson with rate 1</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordtype">float</span> temp = state->get_and_update_random();</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">if</span> (temp <= 0.3678794411714423215955)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordflow">if</span> (temp <= 0.735758882342884643191)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (temp <= 0.919698602928605803989)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">if</span> (temp <= 0.9810118431238461909214)</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">return</span> 3;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">if</span> (temp <= 0.9963401531726562876545)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> 4;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> (temp <= 0.9994058151824183070012)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> 5;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">if</span> (temp <= 0.9999167588507119768923)</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> 6;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (temp <= 0.9999897508033253583053)</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> 7;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (temp <= 0.9999988747974020309819)</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> 8;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> (temp <= 0.9999998885745216612793)</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span> 9;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (temp <= 0.9999999899522336243091)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> 10;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (temp <= 0.9999999991683892573118)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> 11;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999364022267287)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> 12;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (temp <= 0.999999999995480147453)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> 13;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999996999989333)</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> 14;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999999813223654)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> 15;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999999989050799)</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> 16;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999999999393572)</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> 17;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (temp <= 0.999999999999999996817)</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> 18;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (temp <= 0.9999999999999999998412)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> 19;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> 20;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> } <span class="comment">// namespace BS</span></div><div class="ttc" id="namespaceBS_html_a3f19f4a11eca7bcb633823c1ac1e057a"><div class="ttname"><a href="namespaceBS.html#a3f19f4a11eca7bcb633823c1ac1e057a">BS::weight_gen</a></div><div class="ttdeci">uint32_t weight_gen(std::shared_ptr< rand_state > &state)</div><div class="ttdef"><b>Definition:</b> <a href="bs_8h_source.html#l00017">bs.h:17</a></div></div>
<div class="ttc" id="structrand__state_html"><div class="ttname"><a href="structrand__state.html">rand_state</a></div><div class="ttdef"><b>Definition:</b> <a href="global__data_8h_source.html#l00355">global_data.h:355</a></div></div>
<div class="ttc" id="structLEARNER_1_1learner_html"><div class="ttname"><a href="structLEARNER_1_1learner.html">LEARNER::learner</a></div><div class="ttdef"><b>Definition:</b> <a href="cb__explore_8h_source.html#l00011">cb_explore.h:11</a></div></div>
<div class="ttc" id="structvw_html"><div class="ttname"><a href="structvw.html">vw</a></div><div class="ttdef"><b>Definition:</b> <a href="global__data_8h_source.html#l00369">global_data.h:369</a></div></div>
<div class="ttc" id="structVW_1_1config_1_1options__i_html"><div class="ttname"><a href="structVW_1_1config_1_1options__i.html">VW::config::options_i</a></div><div class="ttdef"><b>Definition:</b> <a href="options_8h_source.html#l00107">options.h:107</a></div></div>
<div class="ttc" id="namespaceBS_html"><div class="ttname"><a href="namespaceBS.html">BS</a></div><div class="ttdef"><b>Definition:</b> <a href="bs_8h_source.html#l00015">bs.h:15</a></div></div>
<div class="ttc" id="bs_8h_html_a1d14268847dbc2451ac27c9adc465c3f"><div class="ttname"><a href="bs_8h.html#a1d14268847dbc2451ac27c9adc465c3f">bs_setup</a></div><div class="ttdeci">LEARNER::base_learner * bs_setup(VW::config::options_i &options, vw &all)</div><div class="ttdef"><b>Definition:</b> <a href="bs_8cc_source.html#l00231">bs.cc:231</a></div></div>
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