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<a href="svsample04_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) 2002-2017 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 svsample04.cpp</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> Example how to use NULL-enabled sparse vector</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"> \sa bm::sparse_vector<></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/*! \file svsample04.cpp</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> \brief Example: sparse_vector<> with NULL (unset) values</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="bm_8h.html">bm.h</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="bmsparsevec_8h.html">bmsparsevec.h</a>"</span></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> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">static</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd"> 38</a></span> <span class="keywordtype">void</span> <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(<span class="keyword">const</span> <a class="code" href="classbm_1_1sparse__vector.html">bm::sparse_vector</a><<span class="keywordtype">unsigned</span>, <a class="code" href="classbm_1_1bvector.html">bm::bvector<></a> >& sv)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (sv.size() == 0)</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  cout << sv.size() << <span class="stringliteral">": [ EMPTY ]"</span> << endl;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span>;</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>  cout << sv.size() << <span class="stringliteral">": [ "</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < sv.size(); ++i)</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="keywordtype">unsigned</span> v = sv.at(i);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">bool</span> is_null = sv.is_null(i);</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="keywordflow">if</span> (is_null)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  cout << <span class="stringliteral">"NULL"</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  cout << v << <span class="stringliteral">""</span>;</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="keywordflow">if</span> (i == sv.size()-1)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  cout << <span class="stringliteral">" ]"</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  cout << <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  cout << endl;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</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"><a class="line" href="svsample04_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe"> 64</a></span> <span class="keywordtype">int</span> <a class="code" href="svsample04_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">try</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// sparse vector can support unassigned value semantics</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// (also known as NULL value in databases)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// to enable this function sparse_vector<> needs to be constructed using</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// special flag ( bm::use_null )</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classbm_1_1sparse__vector.html">bm::sparse_vector<unsigned, bm::bvector<></a> > sv1(<a class="code" href="group__bvector.html#ggab0835910831729c806840cd5c8f40b2ba095db184b37a1341cbbbf813a70aed79">bm::use_null</a>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a576a9a3ba594b5c6c34958f2ad04fec3">resize</a>(10);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a56101ce9a559b30f8e14153133063ca7">set</a>(2, 25);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a56101ce9a559b30f8e14153133063ca7">set</a>(3, 35);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a56101ce9a559b30f8e14153133063ca7">set</a>(7, 75);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 10: [ NULL, NULL, 25, 35, NULL, NULL, NULL, 75, NULL, NULL ]</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a152b0daf6be6a12d3b814783f4be3017">set_null</a>(7);</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>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 10: [ NULL, NULL, 25, 35, NULL, NULL, NULL, NULL, NULL, NULL ]</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>  <span class="keywordtype">unsigned</span> arr[3] = {1,2,3};</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#ae7a505562b0f056868aa4b11864eae55">import</a>(arr, 3, 9); <span class="comment">// import from a C-style array (by index 9)</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 12: [ NULL, NULL, 25, 35, NULL, NULL, NULL, NULL, NULL, 1, 2, 3 ]</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>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#af076ee4a7cea95fe307ee68827328c46">clear</a>(2, <span class="keyword">true</span>); <span class="comment">// clear element and set to NULL</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 12: [ NULL, NULL, NULL, 35, NULL, NULL, NULL, NULL, NULL, 1, 2, 3 ]</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#af076ee4a7cea95fe307ee68827328c46">clear</a>(2); <span class="comment">// clear element (not NULL anymore)</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 12: [ NULL, NULL, 0, 35, NULL, NULL, NULL, NULL, NULL, 1, 2, 3 ]</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#af076ee4a7cea95fe307ee68827328c46">clear</a>(3); <span class="comment">// clear element (it stays NOT NULL)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 12: [ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 1, 2, 3 ]</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#af076ee4a7cea95fe307ee68827328c46">clear</a>();</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 0: [ EMPTY ]</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a576a9a3ba594b5c6c34958f2ad04fec3">resize</a>(3);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 3: [ NULL, NULL, NULL ]</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">push_back</a>(10);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">push_back</a>(20);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 5: [ NULL, NULL, NULL, 10, 20 ]</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// construct not-null-able sparse vector</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classbm_1_1sparse__vector.html">bm::sparse_vector<unsigned, bm::bvector<></a> > sv2;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  sv2.<a class="code" href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">push_back</a>(100);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  sv2.<a class="code" href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">push_back</a>(200);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a91ae9e6f8d5e9bce06ce514072be9eb0">join</a>(sv2); <span class="comment">// merge two vectors together</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 5: [ 100, 200, NULL, 10, 20 ]</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// construct another NULL-able vector for another join</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="classbm_1_1sparse__vector.html">bm::sparse_vector<unsigned, bm::bvector<></a> > sv3(<a class="code" href="group__bvector.html#ggab0835910831729c806840cd5c8f40b2ba095db184b37a1341cbbbf813a70aed79">bm::use_null</a>);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  sv3.<a class="code" href="classbm_1_1sparse__vector.html#a576a9a3ba594b5c6c34958f2ad04fec3">resize</a>(9);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  sv3.<a class="code" href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">push_back</a>(300);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// this join will fully respect the NULL flags assigned in both sparse vectors</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#a91ae9e6f8d5e9bce06ce514072be9eb0">join</a>(sv3);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a>(sv1); <span class="comment">// 10: [ 100, 200, NULL, 10, 20, NULL, NULL, NULL, NULL, 300 ]</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// traverse and print the non-NULL values</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// using bit-vector of assigned values</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// [0] = 100, [1] = 200, [3] = 10, [4] = 20, [9] = 300</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> <a class="code" href="classbm_1_1bvector.html">bm::bvector<></a>* bv_non_null = sv1.<a class="code" href="classbm_1_1base__sparse__vector.html#aacbde903b5a180ec493d34dd209fe542">get_null_bvector</a>();</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (bv_non_null)</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="classbm_1_1bvector_1_1enumerator.html">bm::bvector<>::enumerator</a> en = bv_non_null-><a class="code" href="classbm_1_1bvector.html#a86b939f3aed555dc073e8c26e9efea71">first</a>();</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</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="l00144"></a><span class="lineno"> 144</span>  {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">unsigned</span> idx = *en;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">unsigned</span> v = sv1[idx];</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  std::cout << <span class="stringliteral">"["</span> << idx << <span class="stringliteral">"] = "</span> << v << <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  std::cout << endl;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// decode sparse_vector with NULL values</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// decode ignores NULLs (in our case replaces values with '0s'</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  std::vector<unsigned> v1(sv1.<a class="code" href="classbm_1_1sparse__vector.html#a468ddeec517a36a4a9333008703acfab">size</a>());</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  sv1.<a class="code" href="classbm_1_1sparse__vector.html#ac2f8506f78fcf0ebfc573e98ef387876">decode</a>(&v1[0], 0, sv1.<a class="code" href="classbm_1_1sparse__vector.html#a468ddeec517a36a4a9333008703acfab">size</a>()); <span class="comment">// extract elements starting from 0</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// 100,200,0,10,20,0,0,0,0,300,</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < v1.size(); ++i)</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  cout << v1[i] << <span class="stringliteral">","</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  cout << endl;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">catch</span>(std::exception& ex)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  std::cerr << ex.what() << std::endl;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassbm_1_1sparse__vector_html"><div class="ttname"><a href="classbm_1_1sparse__vector.html">bm::sparse_vector</a></div><div class="ttdoc">sparse vector with runtime compression using bit transposition method</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l00081">bmsparsevec.h:81</a></div></div>
<div class="ttc" id="abmsparsevec_8h_html"><div class="ttname"><a href="bmsparsevec_8h.html">bmsparsevec.h</a></div><div class="ttdoc">Sparse constainer sparse_vector<> for integer types using bit-transposition transform.</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="agroup__bvector_html_ggab0835910831729c806840cd5c8f40b2ba095db184b37a1341cbbbf813a70aed79"><div class="ttname"><a href="group__bvector.html#ggab0835910831729c806840cd5c8f40b2ba095db184b37a1341cbbbf813a70aed79">bm::use_null</a></div><div class="ttdeci">@ use_null</div><div class="ttdoc">support "non-assigned" or "NULL" logic</div><div class="ttdef"><b>Definition:</b> <a href="bmconst_8h_source.html#l00215">bmconst.h:215</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a152b0daf6be6a12d3b814783f4be3017"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a152b0daf6be6a12d3b814783f4be3017">bm::sparse_vector::set_null</a></div><div class="ttdeci">void set_null(size_type idx)</div><div class="ttdoc">set specified element to unassigned value (NULL)</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l00986">bmsparsevec.h:986</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_1sparse__vector_html_ae7a505562b0f056868aa4b11864eae55"><div class="ttname"><a href="classbm_1_1sparse__vector.html#ae7a505562b0f056868aa4b11864eae55">bm::sparse_vector::import</a></div><div class="ttdeci">void import(const value_type *arr, size_type arr_size, size_type offset=0, bool set_not_null=true)</div><div class="ttdoc">Import list of elements from a C-style array.</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l00994">bmsparsevec.h:994</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_af076ee4a7cea95fe307ee68827328c46"><div class="ttname"><a href="classbm_1_1sparse__vector.html#af076ee4a7cea95fe307ee68827328c46">bm::sparse_vector::clear</a></div><div class="ttdeci">void clear(size_type idx, bool set_null=false)</div><div class="ttdoc">clear specified element with bounds checking and automatic resize</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l01481">bmsparsevec.h:1481</a></div></div>
<div class="ttc" id="asvsample04_8cpp_html_a840291bc02cba5474a4cb46a9b9566fe"><div class="ttname"><a href="svsample04_8cpp.html#a840291bc02cba5474a4cb46a9b9566fe">main</a></div><div class="ttdeci">int main(void)</div><div class="ttdef"><b>Definition:</b> <a href="svsample04_8cpp_source.html#l00064">svsample04.cpp:64</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a468ddeec517a36a4a9333008703acfab"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a468ddeec517a36a4a9333008703acfab">bm::sparse_vector::size</a></div><div class="ttdeci">size_type size() const BMNOEXCEPT</div><div class="ttdoc">return size of the vector</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l00644">bmsparsevec.h:644</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a2f8aadebd1cfecd8e70fc771dbbd748d"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a2f8aadebd1cfecd8e70fc771dbbd748d">bm::sparse_vector::push_back</a></div><div class="ttdeci">void push_back(value_type v)</div><div class="ttdoc">push value back into vector</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l01498">bmsparsevec.h:1498</a></div></div>
<div class="ttc" id="asvsample04_8cpp_html_a74ed63359851d2897a4680d462e6f2fd"><div class="ttname"><a href="svsample04_8cpp.html#a74ed63359851d2897a4680d462e6f2fd">print_svector</a></div><div class="ttdeci">static void print_svector(const bm::sparse_vector< unsigned, bm::bvector<> > &sv)</div><div class="ttdef"><b>Definition:</b> <a href="svsample04_8cpp_source.html#l00038">svsample04.cpp:38</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_ac2f8506f78fcf0ebfc573e98ef387876"><div class="ttname"><a href="classbm_1_1sparse__vector.html#ac2f8506f78fcf0ebfc573e98ef387876">bm::sparse_vector::decode</a></div><div class="ttdeci">size_type decode(value_type *arr, size_type idx_from, size_type dec_size, bool zero_mem=true) const</div><div class="ttdoc">Bulk export list of elements to a C-style array.</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l01083">bmsparsevec.h:1083</a></div></div>
<div class="ttc" id="aclassbm_1_1bvector_html_a86b939f3aed555dc073e8c26e9efea71"><div class="ttname"><a href="classbm_1_1bvector.html#a86b939f3aed555dc073e8c26e9efea71">bm::bvector::first</a></div><div class="ttdeci">enumerator first() const</div><div class="ttdoc">Returns enumerator pointing on the first non-zero bit.</div><div class="ttdef"><b>Definition:</b> <a href="bm_8h_source.html#l01770">bm.h:1770</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a91ae9e6f8d5e9bce06ce514072be9eb0"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a91ae9e6f8d5e9bce06ce514072be9eb0">bm::sparse_vector::join</a></div><div class="ttdeci">sparse_vector< Val, BV > & join(const sparse_vector< Val, BV > &sv)</div><div class="ttdoc">join all with another sparse vector using OR operation</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l01764">bmsparsevec.h:1764</a></div></div>
<div class="ttc" id="abm_8h_html"><div class="ttname"><a href="bm_8h.html">bm.h</a></div><div class="ttdoc">Compressed bit-vector bvector<> container, set algebraic methods, traversal iterators.</div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a56101ce9a559b30f8e14153133063ca7"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a56101ce9a559b30f8e14153133063ca7">bm::sparse_vector::set</a></div><div class="ttdeci">void set(size_type idx, value_type v)</div><div class="ttdoc">set specified element with bounds checking and automatic resize</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l01469">bmsparsevec.h:1469</a></div></div>
<div class="ttc" id="aclassbm_1_1base__sparse__vector_html_aacbde903b5a180ec493d34dd209fe542"><div class="ttname"><a href="classbm_1_1base__sparse__vector.html#aacbde903b5a180ec493d34dd209fe542">bm::base_sparse_vector< Val, BV, 1 >::get_null_bvector</a></div><div class="ttdeci">const bvector_type * get_null_bvector() const BMNOEXCEPT</div><div class="ttdoc">Get bit-vector of assigned values or NULL (if not constructed that way)</div><div class="ttdef"><b>Definition:</b> <a href="bmbmatrix_8h_source.html#l00329">bmbmatrix.h:329</a></div></div>
<div class="ttc" id="aclassbm_1_1sparse__vector_html_a576a9a3ba594b5c6c34958f2ad04fec3"><div class="ttname"><a href="classbm_1_1sparse__vector.html#a576a9a3ba594b5c6c34958f2ad04fec3">bm::sparse_vector::resize</a></div><div class="ttdeci">void resize(size_type sz)</div><div class="ttdoc">resize vector</div><div class="ttdef"><b>Definition:</b> <a href="bmsparsevec_8h_source.html#l00654">bmsparsevec.h:654</a></div></div>
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