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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef BTLLIB_ROLLING_HASH_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define BTLLIB_ROLLING_HASH_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "nthash.hpp"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <limits></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span>btllib {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">class </span>RollingHash;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">class </span>SeedRollingHash;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">using</span> SpacedSeed = std::vector<unsigned>;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">static</span> std::vector<SpacedSeed></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> parse_seeds(<span class="keyword">const</span> std::vector<std::string>& seed_strings);</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classbtllib_1_1RollingHash.html"> 26</a></span> <span class="keyword">class </span><a class="code" href="classbtllib_1_1RollingHash.html">RollingHash</a></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>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9">RollingHash</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq, <span class="keywordtype">size_t</span> seq_len, <span class="keywordtype">unsigned</span> k, <span class="keywordtype">unsigned</span> hash_num);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9">RollingHash</a>(<span class="keyword">const</span> std::string& seq, <span class="keywordtype">unsigned</span> k, <span class="keywordtype">unsigned</span> hash_num);</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="keywordtype">bool</span> roll();</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>  <span class="keyword">const</span> uint64_t* hashes() <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="keywordtype">size_t</span> get_pos()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pos; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">unsigned</span> get_k()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> k; }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">unsigned</span> get_hash_num()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hash_num; }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">bool</span> <a class="code" href="classbtllib_1_1RollingHash.html#a17f81625791b89011d40ab591cdf2ea7">init</a>();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* seq;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> seq_len;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> k;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> hash_num;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">size_t</span> pos = 0;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::vector<uint64_t> hashes_vector;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  uint64_t forward_hash = 0;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  uint64_t reverse_hash = 0;</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>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classbtllib_1_1SeedRollingHash.html"> 69</a></span> <span class="keyword">class </span><a class="code" href="classbtllib_1_1SeedRollingHash.html">SeedRollingHash</a> : <span class="keyword">public</span> <a class="code" href="classbtllib_1_1RollingHash.html">RollingHash</a></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classbtllib_1_1SeedRollingHash.html">SeedRollingHash</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">size_t</span> seq_len,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> std::vector<SpacedSeed>& seeds,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classbtllib_1_1SeedRollingHash.html">SeedRollingHash</a>(<span class="keyword">const</span> std::string& seq,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> std::vector<SpacedSeed>& seeds,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classbtllib_1_1SeedRollingHash.html">SeedRollingHash</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">size_t</span> seq_len,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> std::vector<std::string>& seeds,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classbtllib_1_1SeedRollingHash.html">SeedRollingHash</a>(<span class="keyword">const</span> std::string& seq,</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">const</span> std::vector<std::string>& seeds,</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> get_hash_num_per_seed()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hash_num_per_seed; }</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>  <span class="keywordtype">bool</span> roll();</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">bool</span> init();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> hash_num_per_seed;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::vector<SpacedSeed> seeds;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</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"><a class="line" href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9"> 103</a></span> <span class="keyword">inline</span> <a class="code" href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9">RollingHash::RollingHash</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">size_t</span> seq_len,</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">unsigned</span> hash_num)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  : seq(seq)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  , seq_len(seq_len)</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  , k(k)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  , hash_num(hash_num)</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>  hashes_vector.resize(hash_num);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classbtllib_1_1RollingHash.html#a353201439e0ad2d5756c10446f5d9d1c"> 115</a></span> <span class="keyword">inline</span> <a class="code" href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9">RollingHash::RollingHash</a>(<span class="keyword">const</span> std::string& seq,</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">unsigned</span> hash_num)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  : <a class="code" href="classbtllib_1_1RollingHash.html">RollingHash</a>(seq.c_str(), seq.size(), k, hash_num)</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>  </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">inline</span> SeedRollingHash::SeedRollingHash(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">size_t</span> seq_len,</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> std::vector<SpacedSeed>& seeds,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed)</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  : <a class="code" href="classbtllib_1_1RollingHash.html">RollingHash</a>(seq, seq_len, k, seeds.size() * hash_num_per_seed)</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  , hash_num_per_seed(hash_num_per_seed)</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  , seeds(seeds)</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>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">inline</span> SeedRollingHash::SeedRollingHash(<span class="keyword">const</span> std::string& seq,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> std::vector<SpacedSeed>& seeds,</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed)</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  : RollingHash(seq, k, seeds.size() * hash_num_per_seed)</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  , hash_num_per_seed(hash_num_per_seed)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  , seeds(seeds)</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {}</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">inline</span> SeedRollingHash::SeedRollingHash(<span class="keyword">const</span> <span class="keywordtype">char</span>* seq,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">size_t</span> seq_len,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> std::vector<std::string>& seeds,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  : RollingHash(seq, seq_len, k, seeds.size() * hash_num_per_seed)</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  , hash_num_per_seed(hash_num_per_seed)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  , seeds(parse_seeds(seeds))</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>  </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">inline</span> SeedRollingHash::SeedRollingHash(<span class="keyword">const</span> std::string& seq,</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">unsigned</span> k,</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> std::vector<std::string>& seeds,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">unsigned</span> hash_num_per_seed)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  : RollingHash(seq, k, seeds.size() * hash_num_per_seed)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  , hash_num_per_seed(hash_num_per_seed)</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  , seeds(parse_seeds(seeds))</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>  </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">static</span> std::vector<SpacedSeed></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> parse_seeds(<span class="keyword">const</span> std::vector<std::string>& seed_strings)</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::vector<SpacedSeed> seed_set;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& seed_string : seed_strings) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  SpacedSeed seed;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">size_t</span> pos = 0;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& c : seed_string) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (c != <span class="charliteral">'1'</span>) {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  seed.push_back(pos);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  ++pos;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  seed_set.push_back(seed);</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>  <span class="keywordflow">return</span> seed_set;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</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> <span class="comment">// NOLINTNEXTLINE</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#define ROLLING_HASH_INIT(CLASS, NTHASH_CALL) \</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor"> inline bool CLASS::init() \</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"> if (k > seq_len) { \</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"> pos = std::numeric_limits<std::size_t>::max(); \</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"> return false; \</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"> unsigned posN = 0; \</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"> while ((pos < seq_len - k + 1) && !(NTHASH_CALL)) { \</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"> pos += posN + 1; \</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"> if (pos > seq_len - k) { \</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"> pos = std::numeric_limits<std::size_t>::max(); \</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"> return false; \</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"> ++pos; \</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"> return true; \</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor"> }</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// NOLINTNEXTLINE</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#define ROLLING_HASH_ROLL(CLASS, NTHASH_CALL) \</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor"> inline bool CLASS::roll() \</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor"> if (pos == 0) { \</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"> return init(); \</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor"> if (pos > seq_len - k) { \</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor"> return false; \</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor"> if (seed_tab[(unsigned char)(seq[pos + k - 1])] == seedN) { \</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor"> pos += k; \</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor"> return init(); \</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"> (NTHASH_CALL); \</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"> ++pos; \</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"> return true; \</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"> }</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> ROLLING_HASH_INIT(RollingHash,</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  NTMC64(seq + pos,</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  k,</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  hash_num,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  forward_hash,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  reverse_hash,</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  posN,</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  hashes_vector.data()))</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> ROLLING_HASH_ROLL(RollingHash,</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  NTMC64(seq[pos - 1],</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  seq[pos - 1 + k],</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  k,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  hash_num,</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  forward_hash,</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  reverse_hash,</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  hashes_vector.data()))</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> ROLLING_HASH_INIT(SeedRollingHash,</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  NTMSM64(seq + pos,</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  seeds,</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  k,</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  seeds.size(),</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  hash_num_per_seed,</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  forward_hash,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  reverse_hash,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  posN,</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  hashes_vector.data()))</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> ROLLING_HASH_ROLL(SeedRollingHash,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  NTMSM64(seq + pos,</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  seeds,</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  seq[pos - 1],</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  seq[pos - 1 + k],</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  k,</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  seeds.size(),</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  hash_num_per_seed,</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  forward_hash,</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  reverse_hash,</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  hashes_vector.data()))</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#undef ROLLING_HASH_INIT</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#undef ROLLING_HASH_ROLL</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="keyword">inline</span> <span class="keyword">const</span> uint64_t*</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> RollingHash::hashes()<span class="keyword"> const</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span> hashes_vector.data();</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> } <span class="comment">// namespace btllib</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassbtllib_1_1RollingHash_html_a36e863f7d63bd1f1f4abbba0bc444ed9"><div class="ttname"><a href="classbtllib_1_1RollingHash.html#a36e863f7d63bd1f1f4abbba0bc444ed9">btllib::RollingHash::RollingHash</a></div><div class="ttdeci">RollingHash(const char *seq, size_t seq_len, unsigned k, unsigned hash_num)</div><div class="ttdef"><b>Definition:</b> rolling_hash.hpp:103</div></div>
<div class="ttc" id="aclassbtllib_1_1SeedRollingHash_html"><div class="ttname"><a href="classbtllib_1_1SeedRollingHash.html">btllib::SeedRollingHash</a></div><div class="ttdef"><b>Definition:</b> rolling_hash.hpp:69</div></div>
<div class="ttc" id="aclassbtllib_1_1RollingHash_html_a17f81625791b89011d40ab591cdf2ea7"><div class="ttname"><a href="classbtllib_1_1RollingHash.html#a17f81625791b89011d40ab591cdf2ea7">btllib::RollingHash::init</a></div><div class="ttdeci">bool init()</div></div>
<div class="ttc" id="aclassbtllib_1_1RollingHash_html"><div class="ttname"><a href="classbtllib_1_1RollingHash.html">btllib::RollingHash</a></div><div class="ttdef"><b>Definition:</b> rolling_hash.hpp:26</div></div>
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