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<a href="range__query__function_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2010-2021 Google LLC</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="range__query__function_8h.html">ortools/util/range_query_function.h</a>&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="macros_8h.html">ortools/base/macros.h</a>&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="range__minimum__query_8h.html">ortools/util/range_minimum_query.h</a>&quot;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment">// This implementation basically calls the function as many times as needed for</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">// each query.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">class </span>LinearRangeIntToIntFunction : <span class="keyword">public</span> RangeIntToIntFunction {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">explicit</span> LinearRangeIntToIntFunction(</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; std::function&lt;int64_t(int64_t)&gt; base_function)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; : base_function_(std::move(base_function)) {}</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; int64_t Query(int64_t argument)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">return</span> base_function_(argument);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; int64_t RangeMin(int64_t range_begin, int64_t range_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; int64_t min_val = <a class="code" href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">for</span> (int64_t i = range_begin; i &lt; range_end; ++i) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; min_val = <a class="code" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">std::min</a>(min_val, base_function_(i));</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> min_val;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; int64_t RangeMax(int64_t range_begin, int64_t range_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; int64_t max_val = <a class="code" href="integral__types_8h.html#af8b05f1b3a4c4ef94dd184c6c31a56e6">kint64min</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">for</span> (int64_t i = range_begin; i &lt; range_end; ++i) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; max_val = <a class="code" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">std::max</a>(max_val, base_function_(i));</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> max_val;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; int64_t RangeFirstInsideInterval(int64_t range_begin, int64_t range_end,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; int64_t interval_begin,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; int64_t interval_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// domain_start_ &lt;= range_begin &lt; range_end &lt;= domain_start_+array().size()</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(interval_begin, interval_end);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; int64_t i = range_begin;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">for</span> (; i &lt; range_end; ++i) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = base_function_(i);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">if</span> (interval_begin &lt;= <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &amp;&amp; <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &lt; interval_end) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> i;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; int64_t RangeLastInsideInterval(int64_t range_begin, int64_t range_end,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; int64_t interval_begin,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; int64_t interval_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// domain_start_ &lt;= range_begin &lt; range_end &lt;= domain_start_+array().size()</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a>(range_begin, <a class="code" href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(interval_begin, interval_end);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; int64_t i = range_end - 1;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">for</span> (; i &gt;= range_begin; --i) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">const</span> int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = base_function_(i);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">if</span> (interval_begin &lt;= <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &amp;&amp; <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &lt; interval_end) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">return</span> i;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; std::function&lt;int64_t(int64_t)&gt; base_function_;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(LinearRangeIntToIntFunction);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;};</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;std::vector&lt;int64_t&gt; FunctionToVector(<span class="keyword">const</span> std::function&lt;int64_t(int64_t)&gt;&amp; f,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; int64_t domain_start,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; int64_t domain_end) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(domain_start, domain_end);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; std::vector&lt;int64_t&gt; output(domain_end - domain_start, 0);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">for</span> (int64_t i = 0; i &lt; domain_end - domain_start; ++i) {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; output[i] = f(i + domain_start);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">return</span> output;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment">// This implementation caches the underlying function and improves on the</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment">// non-cached version in two ways:</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment">// 1. It caches the values returned by the function.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment">// 2. It creates a data structure for quick answer to range queries.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="keyword">class </span>CachedRangeIntToIntFunction : <span class="keyword">public</span> RangeIntToIntFunction {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; CachedRangeIntToIntFunction(</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">const</span> std::function&lt;int64_t(int64_t)&gt;&amp; base_function,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; int64_t domain_start, int64_t domain_end)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; : domain_start_(domain_start),</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; rmq_min_(FunctionToVector(base_function, domain_start, domain_end)),</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; rmq_max_(rmq_min_.array()) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(domain_start, domain_end);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; int64_t Query(int64_t argument)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, argument);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(argument, domain_start_ + static_cast&lt;int64_t&gt;(array().size()));</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> array()[argument - domain_start_];</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; int64_t RangeMin(int64_t from, int64_t to)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, from);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(from, to);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(to, domain_start_ + static_cast&lt;int64_t&gt;(array().size()));</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">return</span> rmq_min_.GetMinimumFromRange(from - domain_start_,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; to - domain_start_);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; int64_t RangeMax(int64_t from, int64_t to)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, from);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(from, to);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(to, domain_start_ + static_cast&lt;int64_t&gt;(array().size()));</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">return</span> rmq_max_.GetMinimumFromRange(from - domain_start_,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; to - domain_start_);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; int64_t RangeFirstInsideInterval(int64_t range_begin, int64_t range_end,</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; int64_t interval_begin,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; int64_t interval_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// domain_start_ &lt;= range_begin &lt; range_end &lt;= domain_start_+array().size()</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, range_begin);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(range_end, domain_start_ + array().size());</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(interval_begin, interval_end);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; int64_t i = range_begin;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">for</span> (; i &lt; range_end; ++i) {</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = array()[i - domain_start_];</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">if</span> (interval_begin &lt;= <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &amp;&amp; <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &lt; interval_end) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">return</span> i;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; int64_t RangeLastInsideInterval(int64_t range_begin, int64_t range_end,</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; int64_t interval_begin,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; int64_t interval_end)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="comment">// domain_start_ &lt;= range_begin &lt; range_end &lt;= domain_start_+array().size()</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, range_begin);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(range_begin, range_end);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(range_end, domain_start_ + array().size());</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(interval_begin, interval_end);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; int64_t i = range_end - 1;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">for</span> (; i &gt;= range_begin; --i) {</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">const</span> int64_t <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> = array()[i - domain_start_];</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">if</span> (interval_begin &lt;= <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &amp;&amp; <a class="code" href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a> &lt; interval_end) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">return</span> i;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keyword">const</span> std::vector&lt;int64_t&gt;&amp; array()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> rmq_min_.array(); }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keyword">const</span> int64_t domain_start_;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">const</span> RangeMinimumQuery&lt;int64_t, std::less&lt;int64_t&gt;&gt; rmq_min_;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">const</span> RangeMinimumQuery&lt;int64_t, std::greater&lt;int64_t&gt;&gt; rmq_max_;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(CachedRangeIntToIntFunction);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;};</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="keyword">class </span>CachedRangeMinMaxIndexFunction : <span class="keyword">public</span> RangeMinMaxIndexFunction {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; CachedRangeMinMaxIndexFunction(<span class="keyword">const</span> std::function&lt;int64_t(int64_t)&gt;&amp; f,</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; int64_t domain_start, int64_t domain_end)</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; : domain_start_(domain_start),</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; domain_end_(domain_end),</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; index_rmq_min_(FunctionToVector(f, domain_start, domain_end)),</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; index_rmq_max_(index_rmq_min_.array()) {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <a class="code" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(domain_start, domain_end);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; }</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keyword">inline</span> int64_t RangeMinArgument(int64_t from, int64_t to)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, from);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(from, to);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(to, domain_end_);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> index_rmq_min_.GetMinimumIndexFromRange(from - domain_start_,</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; to - domain_start_) +</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; domain_start_;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keyword">inline</span> int64_t RangeMaxArgument(int64_t from, int64_t to)<span class="keyword"> const override </span>{</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(domain_start_, from);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <a class="code" href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a>(from, to);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <a class="code" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(to, domain_end_);</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">return</span> index_rmq_max_.GetMinimumIndexFromRange(from - domain_start_,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; to - domain_start_) +</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; domain_start_;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keyword">const</span> int64_t domain_start_;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keyword">const</span> int64_t domain_end_;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keyword">const</span> RangeMinimumIndexQuery&lt;int64_t, std::less&lt;int64_t&gt;&gt; index_rmq_min_;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keyword">const</span> RangeMinimumIndexQuery&lt;int64_t, std::greater&lt;int64_t&gt;&gt; index_rmq_max_;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <a class="code" href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a>(CachedRangeMinMaxIndexFunction);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;};</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;} <span class="comment">// namespace</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ab93e9f4e13fe80519212421a84351bd1"> 214</a></span>&#160;<a class="code" href="classoperations__research_1_1_range_int_to_int_function.html">RangeIntToIntFunction</a>* <a class="code" href="namespaceoperations__research.html#ab93e9f4e13fe80519212421a84351bd1">MakeBareIntToIntFunction</a>(</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; std::function&lt;int64_t(int64_t)&gt; f) {</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">return</span> <span class="keyword">new</span> LinearRangeIntToIntFunction(std::move(f));</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;}</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a15e668e6078014aa160c39782f916322"> 219</a></span>&#160;<a class="code" href="classoperations__research_1_1_range_int_to_int_function.html">RangeIntToIntFunction</a>* <a class="code" href="namespaceoperations__research.html#a15e668e6078014aa160c39782f916322">MakeCachedIntToIntFunction</a>(</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keyword">const</span> std::function&lt;int64_t(int64_t)&gt;&amp; f, int64_t domain_start,</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; int64_t domain_end) {</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keywordflow">return</span> <span class="keyword">new</span> CachedRangeIntToIntFunction(f, domain_start, domain_end);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;}</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a59955a2e2c2b28075cdc795f99df6134"> 225</a></span>&#160;<a class="code" href="classoperations__research_1_1_range_min_max_index_function.html">RangeMinMaxIndexFunction</a>* <a class="code" href="namespaceoperations__research.html#a59955a2e2c2b28075cdc795f99df6134">MakeCachedRangeMinMaxIndexFunction</a>(</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keyword">const</span> std::function&lt;int64_t(int64_t)&gt;&amp; f, int64_t domain_start,</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; int64_t domain_end) {</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">return</span> <span class="keyword">new</span> CachedRangeMinMaxIndexFunction(f, domain_start, domain_end);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;}</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;} <span class="comment">// namespace operations_research</span></div><div class="ttc" id="namespaceoperations__research_html_ab93e9f4e13fe80519212421a84351bd1"><div class="ttname"><a href="namespaceoperations__research.html#ab93e9f4e13fe80519212421a84351bd1">operations_research::MakeBareIntToIntFunction</a></div><div class="ttdeci">RangeIntToIntFunction * MakeBareIntToIntFunction(std::function&lt; int64_t(int64_t)&gt; f)</div><div class="ttdef"><b>Definition:</b> <a href="range__query__function_8cc_source.html#l00214">range_query_function.cc:214</a></div></div>
<div class="ttc" id="alldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a15e668e6078014aa160c39782f916322"><div class="ttname"><a href="namespaceoperations__research.html#a15e668e6078014aa160c39782f916322">operations_research::MakeCachedIntToIntFunction</a></div><div class="ttdeci">RangeIntToIntFunction * MakeCachedIntToIntFunction(const std::function&lt; int64_t(int64_t)&gt; &amp;f, int64_t domain_start, int64_t domain_end)</div><div class="ttdef"><b>Definition:</b> <a href="range__query__function_8cc_source.html#l00219">range_query_function.cc:219</a></div></div>
<div class="ttc" id="range__query__function_8h_html"><div class="ttname"><a href="range__query__function_8h.html">range_query_function.h</a></div></div>
<div class="ttc" id="classoperations__research_1_1_range_min_max_index_function_html"><div class="ttname"><a href="classoperations__research_1_1_range_min_max_index_function.html">operations_research::RangeMinMaxIndexFunction</a></div><div class="ttdef"><b>Definition:</b> <a href="range__query__function_8h_source.html#l00060">range_query_function.h:60</a></div></div>
<div class="ttc" id="classoperations__research_1_1_range_int_to_int_function_html"><div class="ttname"><a href="classoperations__research_1_1_range_int_to_int_function.html">operations_research::RangeIntToIntFunction</a></div><div class="ttdef"><b>Definition:</b> <a href="range__query__function_8h_source.html#l00028">range_query_function.h:28</a></div></div>
<div class="ttc" id="integral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
<div class="ttc" id="base_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82"><div class="ttname"><a href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a></div><div class="ttdeci">#define CHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00701">base/logging.h:701</a></div></div>
<div class="ttc" id="macros_8h_html"><div class="ttname"><a href="macros_8h.html">macros.h</a></div></div>
<div class="ttc" id="range__minimum__query_8h_html"><div class="ttname"><a href="range__minimum__query_8h.html">range_minimum_query.h</a></div></div>
<div class="ttc" id="alldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
<div class="ttc" id="integral__types_8h_html_af8b05f1b3a4c4ef94dd184c6c31a56e6"><div class="ttname"><a href="integral__types_8h.html#af8b05f1b3a4c4ef94dd184c6c31a56e6">kint64min</a></div><div class="ttdeci">static const int64_t kint64min</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00031">integral_types.h:31</a></div></div>
<div class="ttc" id="integral__types_8h_html_a808bd435380aa1e2bbd6f13ac7759897"><div class="ttname"><a href="integral__types_8h.html#a808bd435380aa1e2bbd6f13ac7759897">kint64max</a></div><div class="ttdeci">static const int64_t kint64max</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00032">integral_types.h:32</a></div></div>
<div class="ttc" id="base_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00887">base/logging.h:887</a></div></div>
<div class="ttc" id="base_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
<div class="ttc" id="base_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2"><div class="ttname"><a href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a></div><div class="ttdeci">#define DCHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00888">base/logging.h:888</a></div></div>
<div class="ttc" id="namespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
<div class="ttc" id="demon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514"><div class="ttname"><a href="demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514">value</a></div><div class="ttdeci">int64_t value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00044">demon_profiler.cc:44</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a59955a2e2c2b28075cdc795f99df6134"><div class="ttname"><a href="namespaceoperations__research.html#a59955a2e2c2b28075cdc795f99df6134">operations_research::MakeCachedRangeMinMaxIndexFunction</a></div><div class="ttdeci">RangeMinMaxIndexFunction * MakeCachedRangeMinMaxIndexFunction(const std::function&lt; int64_t(int64_t)&gt; &amp;f, int64_t domain_start, int64_t domain_end)</div><div class="ttdef"><b>Definition:</b> <a href="range__query__function_8cc_source.html#l00225">range_query_function.cc:225</a></div></div>
<div class="ttc" id="base_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a"><div class="ttname"><a href="base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a">DCHECK_LT</a></div><div class="ttdeci">#define DCHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
<div class="ttc" id="macros_8h_html_af8df3547bfde53a5acb93e2607b0034a"><div class="ttname"><a href="macros_8h.html#af8df3547bfde53a5acb93e2607b0034a">DISALLOW_COPY_AND_ASSIGN</a></div><div class="ttdeci">#define DISALLOW_COPY_AND_ASSIGN(TypeName)</div><div class="ttdef"><b>Definition:</b> <a href="macros_8h_source.html#l00029">macros.h:29</a></div></div>
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