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289 lines
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<div class="headertitle"><div class="title">hungarian_test.cc</div></div>
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<a href="hungarian__test_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">// Test file for hungarian.h</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include "<a class="code" href="hungarian_8h.html">ortools/algorithms/hungarian.h</a>"</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "gtest/gtest.h"</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="macros_8h.html">ortools/base/macros.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">// Generic check function that checks consistency of a linear assignment</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">// result as well as whether the result is the expected one.</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#aaa8d9a49b1a63a8931a9d542c26b62d8"> 31</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research.html#aaa8d9a49b1a63a8931a9d542c26b62d8">GenericCheck</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> expected_assignment_size,</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">const</span> absl::flat_hash_map<int, int>& direct_assignment,</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">const</span> absl::flat_hash_map<int, int>& reverse_assignment,</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents[], <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks[]) {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> EXPECT_EQ(expected_assignment_size, direct_assignment.size());</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> EXPECT_EQ(expected_assignment_size, reverse_assignment.size());</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < expected_assignment_size; ++i) {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> EXPECT_EQ(<a class="code hl_function" href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a>(direct_assignment, expected_agents[i]),</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> expected_tasks[i]);</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> EXPECT_EQ(<a class="code hl_function" href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a>(reverse_assignment, expected_tasks[i]),</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> expected_agents[i]);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> }</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& direct_iter : direct_assignment) {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> EXPECT_EQ(<a class="code hl_function" href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a>(reverse_assignment, direct_iter.second),</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> direct_iter.first)</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> << direct_iter.first << <span class="stringliteral">" -> "</span> << direct_iter.second;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> }</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>}</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ab5bea9dc4042e821f42017d8a2ddb51b"> 50</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research.html#ab5bea9dc4042e821f42017d8a2ddb51b">TestMinimization</a>(<span class="keyword">const</span> std::vector<std::vector<double>>& <a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>,</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_assignment_size,</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents[], <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks[]) {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> absl::flat_hash_map<int, int> direct_assignment;</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> absl::flat_hash_map<int, int> reverse_assignment;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_function" href="namespaceoperations__research.html#a3820c79d78d9c5ec38238699c69e75b1">MinimizeLinearAssignment</a>(<a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>, &direct_assignment, &reverse_assignment);</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> SCOPED_TRACE(<span class="stringliteral">"Minimization"</span>);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_function" href="namespaceoperations__research.html#aaa8d9a49b1a63a8931a9d542c26b62d8">GenericCheck</a>(expected_assignment_size, direct_assignment, reverse_assignment,</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a4aa4c1802c8d88cdbf4557e487a76030"> 61</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research.html#a4aa4c1802c8d88cdbf4557e487a76030">TestMaximization</a>(<span class="keyword">const</span> std::vector<std::vector<double>>& <a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>,</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_assignment_size,</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents[], <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks[]) {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> absl::flat_hash_map<int, int> direct_assignment;</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> absl::flat_hash_map<int, int> reverse_assignment;</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_function" href="namespaceoperations__research.html#af5c01de98fc53a984205e3dc05810f93">MaximizeLinearAssignment</a>(<a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>, &direct_assignment, &reverse_assignment);</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> SCOPED_TRACE(<span class="stringliteral">"Maximization"</span>);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_function" href="namespaceoperations__research.html#aaa8d9a49b1a63a8931a9d542c26b62d8">GenericCheck</a>(expected_assignment_size, direct_assignment, reverse_assignment,</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>}</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment">// Test on an empty matrix</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13"> 74</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, NullMatrix) {</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> std::vector<std::vector<double>> <a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>;</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">const</span> <span class="keywordtype">int</span>* expected_agents = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">const</span> <span class="keywordtype">int</span>* expected_tasks = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_function" href="namespaceoperations__research.html#ab5bea9dc4042e821f42017d8a2ddb51b">TestMinimization</a>(<a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>, 0, expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_function" href="namespaceoperations__research.html#a4aa4c1802c8d88cdbf4557e487a76030">TestMaximization</a>(<a class="code hl_variable" href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a>, 0, expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">// Testing with NaN value in the input.</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a25e8525177831e874798ca656d0f6f0c"> 83</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, InvalidMatrix) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">const</span> std::vector<std::vector<double>> cost_nan = {{1, 2},</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> {-std::sqrt(-1), 3}};</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">const</span> <span class="keywordtype">int</span>* expected_agents = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">const</span> <span class="keywordtype">int</span>* expected_tasks = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_function" href="namespaceoperations__research.html#a4aa4c1802c8d88cdbf4557e487a76030">TestMaximization</a>(cost_nan, 0, expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_function" href="namespaceoperations__research.html#ab5bea9dc4042e821f42017d8a2ddb51b">TestMinimization</a>(cost_nan, 0, expected_agents, expected_tasks);</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906"> 92</a></span><span class="preprocessor">#define MATRIX_TEST \</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="preprocessor"> { \</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="preprocessor"> std::vector<std::vector<double>> cost(kMatrixHeight); \</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="preprocessor"> for (int row = 0; row < kMatrixHeight; ++row) { \</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="preprocessor"> cost[row].resize(kMatrixWidth); \</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="preprocessor"> for (int col = 0; col < kMatrixWidth; ++col) { \</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="preprocessor"> cost[row][col] = kCost[row][col]; \</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="preprocessor"> } \</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="preprocessor"> } \</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="preprocessor"> EXPECT_EQ(arraysize(expected_agents_for_min), \</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="preprocessor"> arraysize(expected_tasks_for_min)); \</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="preprocessor"> EXPECT_EQ(arraysize(expected_agents_for_max), \</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="preprocessor"> arraysize(expected_tasks_for_max)); \</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="preprocessor"> const int assignment_size = arraysize(expected_agents_for_max); \</span></div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span><span class="preprocessor"> TestMinimization(cost, assignment_size, expected_agents_for_min, \</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="preprocessor"> expected_tasks_for_min); \</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="preprocessor"> TestMaximization(cost, assignment_size, expected_agents_for_max, \</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="preprocessor"> expected_tasks_for_max); \</span></div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="preprocessor"> }</span></div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment">// Test on a 1x1 matrix</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a2cba8c207c6695f1c1c21e8901a63add"> 114</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, SizeOneMatrix) {</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixHeight = 1;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixWidth = 1;</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> <span class="keywordtype">double</span> kCost[kMatrixHeight][kMatrixWidth] = {{4}};</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_min[] = {0};</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_min[] = {0};</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_max[] = {0};</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_max[] = {0};</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_define" href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906">MATRIX_TEST</a>;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>}</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="comment">// Test on a 4x4 matrix. Example taken at</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="comment">// http://www.ee.oulu.fi/~mpa/matreng/eem1_2-1.htm</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ad55d65140946bc20bb288a4364d9cbdb"> 127</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, Small4x4Matrix) {</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixHeight = 4;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixWidth = 4;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">const</span> <span class="keywordtype">double</span> kCost[kMatrixHeight][kMatrixWidth] = {{90, 75, 75, 80},</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> {35, 85, 55, 65},</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> {125, 95, 90, 105},</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> {45, 110, 95, 115}};</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_min[] = {0, 1, 2, 3};</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_min[] = {3, 2, 1, 0};</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_max[] = {0, 1, 2, 3};</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_max[] = {2, 1, 0, 3};</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_define" href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906">MATRIX_TEST</a>;</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span>}</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="comment">// Test on a 3x4 matrix. Sub-problem of Small4x4Matrix</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ac690c357cab3e484126077d1a6e56bd2"> 142</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, Small3x4Matrix) {</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixHeight = 3;</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixWidth = 4;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">const</span> <span class="keywordtype">double</span> kCost[kMatrixHeight][kMatrixWidth] = {</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> {90, 75, 75, 80}, {35, 85, 55, 65}, {125, 95, 90, 105}};</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_min[] = {0, 1, 2};</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_min[] = {1, 0, 2};</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_max[] = {0, 1, 2};</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_max[] = {3, 1, 0};</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <a class="code hl_define" href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906">MATRIX_TEST</a>;</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>}</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="comment">// Test on a 4x3 matrix. Sub-problem of Small4x4Matrix</span></div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ad3bcc056122d299133d834f748002690"> 155</a></span><a class="code hl_function" href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">TEST</a>(LinearAssignmentTest, Small4x3Matrix) {</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixHeight = 4;</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMatrixWidth = 3;</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">const</span> <span class="keywordtype">double</span> kCost[kMatrixHeight][kMatrixWidth] = {</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> {90, 75, 75}, {35, 85, 55}, {125, 95, 90}, {45, 110, 95}};</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_min[] = {0, 1, 3};</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_min[] = {1, 2, 0};</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_agents_for_max[] = {0, 2, 3};</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">const</span> <span class="keywordtype">int</span> expected_tasks_for_max[] = {2, 0, 1};</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_define" href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906">MATRIX_TEST</a>;</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>}</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="preprocessor">#undef MATRIX_TEST</span></div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="ahungarian_8h_html"><div class="ttname"><a href="hungarian_8h.html">hungarian.h</a></div></div>
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<div class="ttc" id="ahungarian__test_8cc_html_a80f4349f54433856a362447ba5593906"><div class="ttname"><a href="hungarian__test_8cc.html#a80f4349f54433856a362447ba5593906">MATRIX_TEST</a></div><div class="ttdeci">#define MATRIX_TEST</div><div class="ttdef"><b>Definition:</b> <a href="hungarian__test_8cc_source.html#l00092">hungarian_test.cc:92</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a73f41ac11336b94768fdd41594153d59"><div class="ttname"><a href="namespacegtl.html#a73f41ac11336b94768fdd41594153d59">gtl::FindOrDie</a></div><div class="ttdeci">const Collection::value_type::second_type & FindOrDie(const Collection &collection, const typename Collection::value_type::first_type &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00206">map_util.h:206</a></div></div>
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<div class="ttc" id="anamespaceoperations__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>
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<div class="ttc" id="anamespaceoperations__research_html_a3820c79d78d9c5ec38238699c69e75b1"><div class="ttname"><a href="namespaceoperations__research.html#a3820c79d78d9c5ec38238699c69e75b1">operations_research::MinimizeLinearAssignment</a></div><div class="ttdeci">void MinimizeLinearAssignment(const std::vector< std::vector< double > > &cost, absl::flat_hash_map< int, int > *direct_assignment, absl::flat_hash_map< int, int > *reverse_assignment)</div><div class="ttdef"><b>Definition:</b> <a href="hungarian_8cc_source.html#l00652">hungarian.cc:652</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a4aa4c1802c8d88cdbf4557e487a76030"><div class="ttname"><a href="namespaceoperations__research.html#a4aa4c1802c8d88cdbf4557e487a76030">operations_research::TestMaximization</a></div><div class="ttdeci">void TestMaximization(const std::vector< std::vector< double > > &cost, const int expected_assignment_size, const int expected_agents[], const int expected_tasks[])</div><div class="ttdef"><b>Definition:</b> <a href="hungarian__test_8cc_source.html#l00061">hungarian_test.cc:61</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a817553ad64738460e5c339f24fe5ea13"><div class="ttname"><a href="namespaceoperations__research.html#a817553ad64738460e5c339f24fe5ea13">operations_research::TEST</a></div><div class="ttdeci">TEST(LinearAssignmentTest, NullMatrix)</div><div class="ttdef"><b>Definition:</b> <a href="hungarian__test_8cc_source.html#l00074">hungarian_test.cc:74</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_aaa8d9a49b1a63a8931a9d542c26b62d8"><div class="ttname"><a href="namespaceoperations__research.html#aaa8d9a49b1a63a8931a9d542c26b62d8">operations_research::GenericCheck</a></div><div class="ttdeci">void GenericCheck(const int expected_assignment_size, const absl::flat_hash_map< int, int > &direct_assignment, const absl::flat_hash_map< int, int > &reverse_assignment, const int expected_agents[], const int expected_tasks[])</div><div class="ttdef"><b>Definition:</b> <a href="hungarian__test_8cc_source.html#l00031">hungarian_test.cc:31</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_ab5bea9dc4042e821f42017d8a2ddb51b"><div class="ttname"><a href="namespaceoperations__research.html#ab5bea9dc4042e821f42017d8a2ddb51b">operations_research::TestMinimization</a></div><div class="ttdeci">void TestMinimization(const std::vector< std::vector< double > > &cost, const int expected_assignment_size, const int expected_agents[], const int expected_tasks[])</div><div class="ttdef"><b>Definition:</b> <a href="hungarian__test_8cc_source.html#l00050">hungarian_test.cc:50</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_af5c01de98fc53a984205e3dc05810f93"><div class="ttname"><a href="namespaceoperations__research.html#af5c01de98fc53a984205e3dc05810f93">operations_research::MaximizeLinearAssignment</a></div><div class="ttdeci">void MaximizeLinearAssignment(const std::vector< std::vector< double > > &cost, absl::flat_hash_map< int, int > *direct_assignment, absl::flat_hash_map< int, int > *reverse_assignment)</div><div class="ttdef"><b>Definition:</b> <a href="hungarian_8cc_source.html#l00670">hungarian.cc:670</a></div></div>
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<div class="ttc" id="arouting__flow_8cc_html_a75d7b5e4cab1e156cc7a2c5eba1e16f1"><div class="ttname"><a href="routing__flow_8cc.html#a75d7b5e4cab1e156cc7a2c5eba1e16f1">cost</a></div><div class="ttdeci">int64_t cost</div><div class="ttdef"><b>Definition:</b> <a href="routing__flow_8cc_source.html#l00152">routing_flow.cc:152</a></div></div>
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.9.3 </li>
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