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<a href="bvsample01__64_8cpp.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) 2002-2019 Anatoliy Kuznetsov(anatoliy_kuznetsov at yahoo.com)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">Licensed under the Apache License, Version 2.0 (the "License");</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"></span> </div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> http://www.apache.org/licenses/LICENSE-2.0</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">Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">distributed under the License is distributed on an "AS IS" BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">limitations under the License.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">For more information please visit: http://bitmagic.io</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</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> <span class="comment">/** \example bvsample01_64.cpp</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> Example how to use bvector<> in 64-bit mode</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">/*! \file bvsample01_64.cpp</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> \brief Example: how to use 64-bit mode</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> By default BitMagic uses 32-bit address mode even when if it is</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> compiled for 64-bit version. This way it supports 2^32-1 address space.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> There are two ways to run BitMagic in 64-bit address mode:</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"></span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> 1. define BM64ADDR in your project</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> Or</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> 2. include "bm64.h"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> Limitations: </span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> - you CANNOT use 32-bit and 64-bit in the same compilation unit.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> - Current implementation internally is 48-bit (which is a lot),</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> so your range will be [0..2^48-1]</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> - 32-bit vectors can be serialized and read as 64-bit, but </span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> not vice versa.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <assert.h></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "bm64.h"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="bvsample01__64_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe"> 50</a></span> <span class="keywordtype">int</span> <a class="code" href="bvsample01__64_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">try</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classbm_1_1bvector.html">bm::bvector<></a> bv { 1, 2, 3, <a class="code" href="namespacebm.html#a104b924a1df81542db2a6296fbf26a65">bm::id_max</a>-1 }; <span class="comment">// Bitvector variable declaration with init list</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classbm_1_1bvector.html#a405dd9ed048c935c84a5086ec8ba3649">bm::bvector<>::size_type</a> count = bv.count();</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  cout << <span class="stringliteral">"BitCount = "</span> << count << endl;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  cout << <span class="stringliteral">"Max possible ID = "</span> << <a class="code" href="namespacebm.html#a104b924a1df81542db2a6296fbf26a65">bm::id_max</a>-1 << endl;</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>  <a class="code" href="classbm_1_1bvector.html#a405dd9ed048c935c84a5086ec8ba3649">bm::bvector<>::size_type</a> first, last;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">bool</span> range_found = bv.find_range(first, last);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  assert(range_found);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  (void)range_found; <span class="comment">// to silence the warning on unused var</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  cout << <span class="stringliteral">"["</span> << first << <span class="stringliteral">", "</span> << last << <span class="stringliteral">"]"</span> << endl;</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>  <a class="code" href="classbm_1_1bvector.html">bm::bvector<></a> bv_full;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  bv_full.<a class="code" href="classbm_1_1bvector.html#a52b4259a5cc4ebd8953832c696e24f02">set</a>(); <span class="comment">// set the whole vector to 1111111....11111</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">auto</span> full_count = bv_full.<a class="code" href="classbm_1_1bvector.html#a3009ba9b116f13f4933a48641f3a695d">count</a>();</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  cout << <span class="stringliteral">"Full vector bitcount = "</span> << full_count << endl;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  bv_full.<a class="code" href="classbm_1_1bvector.html#a52b4259a5cc4ebd8953832c696e24f02">set</a>(<a class="code" href="namespacebm.html#a104b924a1df81542db2a6296fbf26a65">bm::id_max</a> - 1, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  bv &= bv_full;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classbm_1_1bvector_1_1enumerator.html">bm::bvector<>::enumerator</a> en = bv.first();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">for</span> (; en.<a class="code" href="classbm_1_1bvector_1_1iterator__base.html#a3f6af7f5b46c0219b28916187d302c43">valid</a>(); ++en)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a> idx = *en;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  cout << idx << <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  cout << endl;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">catch</span>(std::exception& ex)</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>  std::cerr << ex.what() << std::endl;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="abvsample01__64_8cpp_html_a840291bc02cba5474a4cb46a9b9566fe"><div class="ttname"><a href="bvsample01__64_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a></div><div class="ttdeci">int main(void)</div><div class="ttdef"><b>Definition:</b> <a href="bvsample01__64_8cpp_source.html#l00050">bvsample01_64.cpp:50</a></div></div>
<div class="ttc" id="anamespacebm_html_a933991b5bb4ce62227584037909e9195"><div class="ttname"><a href="namespacebm.html#a933991b5bb4ce62227584037909e9195">bm::id64_t</a></div><div class="ttdeci">unsigned long long int id64_t</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00034">bmconst.h:34</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_1_1enumerator_html"><div class="ttname"><a href="classbm_1_1bvector_1_1enumerator.html">bm::bvector::enumerator</a></div><div class="ttdoc">Constant iterator designed to enumerate "ON" bits.</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l00599">bm.h:599</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html"><div class="ttname"><a href="classbm_1_1bvector.html">bm::bvector<></a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html_a52b4259a5cc4ebd8953832c696e24f02"><div class="ttname"><a href="classbm_1_1bvector.html#a52b4259a5cc4ebd8953832c696e24f02">bm::bvector::set</a></div><div class="ttdeci">bvector< Alloc > & set(size_type n, bool val=true)</div><div class="ttdoc">Sets bit n if val is true, clears bit n if val is false.</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l03581">bm.h:3581</a></div></div>
<div class="ttc" id="anamespacebm_html_a104b924a1df81542db2a6296fbf26a65"><div class="ttname"><a href="namespacebm.html#a104b924a1df81542db2a6296fbf26a65">bm::id_max</a></div><div class="ttdeci">const unsigned id_max</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00108">bmconst.h:108</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html_a3009ba9b116f13f4933a48641f3a695d"><div class="ttname"><a href="classbm_1_1bvector.html#a3009ba9b116f13f4933a48641f3a695d">bm::bvector::count</a></div><div class="ttdeci">size_type count() const BMNOEXCEPT</div><div class="ttdoc">population cout (count of ON bits)</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l02194">bm.h:2194</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_1_1iterator__base_html_a3f6af7f5b46c0219b28916187d302c43"><div class="ttname"><a href="classbm_1_1bvector_1_1iterator__base.html#a3f6af7f5b46c0219b28916187d302c43">bm::bvector::iterator_base::valid</a></div><div class="ttdeci">bool valid() const BMNOEXCEPT</div><div class="ttdoc">Checks if iterator is still valid. Analog of != 0 comparison for pointers.</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l00280">bm.h:280</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html_a405dd9ed048c935c84a5086ec8ba3649"><div class="ttname"><a href="classbm_1_1bvector.html#a405dd9ed048c935c84a5086ec8ba3649">bm::bvector::size_type</a></div><div class="ttdeci">bm::id_t size_type</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l00117">bm.h:117</a></div></div>
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