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| <li class="navelem"><a class="el" href="dir_bc45e258c7269dbde5716543a4c54103.html">hll</a></li><li class="navelem"><a class="el" href="dir_aa059cbaaa7f4410839cee554e9ff9ba.html">include</a></li> </ul> |
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| <div class="title">HllSketchImpl.hpp</div> </div> |
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| <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"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef _HLLSKETCHIMPL_HPP_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define _HLLSKETCHIMPL_HPP_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "HllUtil.hpp"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "hll.hpp"</span> <span class="comment">// for TgtHllType</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacedatasketches.html">datasketches</a> {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classdatasketches_1_1HllSketchImpl.html"> 31</a></span> <span class="keyword">class </span><a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a> {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">using</span> vector_bytes = std::vector<uint8_t, typename std::allocator_traits<A>::template rebind_alloc<uint8_t>>;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>(uint8_t lgConfigK, <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, hll_mode mode, <span class="keywordtype">bool</span> startFullSize);</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">virtual</span> ~<a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>();</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> serialize(std::ostream& os, <span class="keywordtype">bool</span> compact) <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">virtual</span> vector_bytes serialize(<span class="keywordtype">bool</span> compact, <span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">virtual</span> <a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>* copy() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">virtual</span> <a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>* copyAs(<a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType) <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>* reset();</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">virtual</span> std::function<void(<a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl<A></a>*)> get_deleter() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">virtual</span> <a class="code" href="classdatasketches_1_1HllSketchImpl.html">HllSketchImpl</a>* couponUpdate(uint32_t coupon) = 0;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  hll_mode getCurMode() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getEstimate() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getCompositeEstimate() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getUpperBound(uint8_t numStdDev) <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getLowerBound(uint8_t numStdDev) <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">inline</span> uint8_t getLgConfigK() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">virtual</span> uint32_t getMemDataStart() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">virtual</span> uint8_t getPreInts() <span class="keyword">const</span> = 0;</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>  <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> getTgtHllType() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">virtual</span> uint32_t getUpdatableSerializationBytes() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> uint32_t getCompactSerializationBytes() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isCompact() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isEmpty() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isOutOfOrderFlag() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> putOutOfOrderFlag(<span class="keywordtype">bool</span> oooFlag) = 0;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">virtual</span> A getAllocator() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> isStartFullSize() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">protected</span>:</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">static</span> <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> extractTgtHllType(uint8_t modeByte);</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">static</span> hll_mode extractCurMode(uint8_t modeByte);</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint8_t makeFlagsByte(<span class="keywordtype">bool</span> compact) <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  uint8_t makeModeByte() <span class="keyword">const</span>;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> uint8_t lgConfigK_;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType_;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> hll_mode mode_;</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSize_;</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> };</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif </span><span class="comment">// _HLLSKETCHIMPL_HPP_</span></div> |
| <div class="ttc" id="aclassdatasketches_1_1HllSketchImpl_html"><div class="ttname"><a href="classdatasketches_1_1HllSketchImpl.html">datasketches::HllSketchImpl</a></div><div class="ttdoc">This is a high performance implementation of Phillipe Flajolet's HLL sketch but with significantly im...</div><div class="ttdef"><b>Definition:</b> HllSketchImpl.hpp:31</div></div> |
| <div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition:</b> binomial_bounds.hpp:38</div></div> |
| <div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition:</b> hll.hpp:72</div></div> |
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