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<div class="headertitle"><div class="title">cp_model_lns.h</div></div>
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<a href="cp__model__lns_8h.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>
|
||
<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>
|
||
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
|
||
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef OR_TOOLS_SAT_CP_MODEL_LNS_H_</span></div>
|
||
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_SAT_CP_MODEL_LNS_H_</span></div>
|
||
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
|
||
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cmath></span></div>
|
||
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <cstdint></span></div>
|
||
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <functional></span></div>
|
||
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <string></span></div>
|
||
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <tuple></span></div>
|
||
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <vector></span></div>
|
||
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
|
||
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "absl/base/thread_annotations.h"</span></div>
|
||
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
|
||
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
|
||
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/random/bit_gen_ref.h"</span></div>
|
||
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/synchronization/mutex.h"</span></div>
|
||
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/time/time.h"</span></div>
|
||
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/types/span.h"</span></div>
|
||
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
|
||
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
|
||
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "ortools/sat/cp_model.pb.h"</span></div>
|
||
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="cp__model__presolve_8h.html">ortools/sat/cp_model_presolve.h</a>"</span></div>
|
||
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
|
||
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
|
||
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
|
||
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="subsolver_8h.html">ortools/sat/subsolver.h</a>"</span></div>
|
||
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="synchronization_8h.html">ortools/sat/synchronization.h</a>"</span></div>
|
||
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="adaptative__parameter__value_8h.html">ortools/util/adaptative_parameter_value.h</a>"</span></div>
|
||
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "<a class="code" href="util_2logging_8h.html">ortools/util/logging.h</a>"</span></div>
|
||
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "<a class="code" href="strong__integers_8h.html">ortools/util/strong_integers.h</a>"</span></div>
|
||
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
|
||
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
|
||
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
|
||
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">namespace </span>sat {</div>
|
||
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
|
||
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">// Neighborhood returned by Neighborhood generators.</span></div>
|
||
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html"> 49</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> {</div>
|
||
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// True if neighborhood generator was able to generate a neighborhood.</span></div>
|
||
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a04d448b3000c058b67ad17541473a317"> 51</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a04d448b3000c058b67ad17541473a317">is_generated</a> = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
|
||
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// True if an optimal solution to the neighborhood is also an optimal solution</span></div>
|
||
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// to the original model.</span></div>
|
||
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a8e672808c179f95cf4c626aef798bbc7"> 55</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a8e672808c179f95cf4c626aef798bbc7">is_reduced</a> = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
|
||
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// True if this neighborhood was just obtained by fixing some variables.</span></div>
|
||
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a7f3afd61b6944986fd9d5f92fc187768"> 58</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a7f3afd61b6944986fd9d5f92fc187768">is_simple</a> = <span class="keyword">false</span>;</div>
|
||
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
|
||
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// Specification of the delta between the initial model and the lns fragment.</span></div>
|
||
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// The delta will contains all variables from the initial model, potentially</span></div>
|
||
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// with updated domains.</span></div>
|
||
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// It can contains new variables and new constraints, and solution hinting.</span></div>
|
||
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a9229601d319030879a64b25531c8a411"> 64</a></span> CpModelProto <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a9229601d319030879a64b25531c8a411">delta</a>;</div>
|
||
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a44b6866eda48febe9f81e0a941caf8ce"> 65</a></span> std::vector<int> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a44b6866eda48febe9f81e0a941caf8ce">constraints_to_ignore</a>;</div>
|
||
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
|
||
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// Neighborhood Id. Used to identify the neighborhood by a generator.</span></div>
|
||
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// Currently only used by WeightedRandomRelaxationNeighborhoodGenerator.</span></div>
|
||
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// TODO(user): Make sure that the id is unique for each generated</span></div>
|
||
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// neighborhood for each generator.</span></div>
|
||
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#ab1aed7fa271dc86295d16cc730100306"> 71</a></span> int64_t <span class="keywordtype">id</span> = 0;</div>
|
||
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
|
||
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Used for identifying the source of the neighborhood if it is generated</span></div>
|
||
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// using solution repositories.</span></div>
|
||
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#aaed94da4e4845ead42773bd4468a8899"> 75</a></span> std::string <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#aaed94da4e4845ead42773bd4468a8899">source_info</a> = <span class="stringliteral">""</span>;</div>
|
||
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
|
||
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// Statistic, only filled when is_simple is true.</span></div>
|
||
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a240d377e7dfd0f7b32cf859acf8943db"> 78</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a240d377e7dfd0f7b32cf859acf8943db">num_relaxed_variables</a> = 0;</div>
|
||
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a3828e04dced399427f06832424b9b4ae"> 79</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a3828e04dced399427f06832424b9b4ae">num_relaxed_variables_in_objective</a> = 0;</div>
|
||
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
|
||
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// Only filled when is_simple is true. If we solve the fragment to optimality,</span></div>
|
||
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// then we can just fix the variable listed here to that optimal solution.</span></div>
|
||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// This can happen if the neighborhood fully cover some part that are</span></div>
|
||
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// completely independent from the rest of the model. Like for instance an</span></div>
|
||
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// unused but not yet fixed variable.</span></div>
|
||
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// WARNING: all such variables should be fixed at once in a lock-like manner,</span></div>
|
||
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// because they can be multiple optimal solutions on these variables.</span></div>
|
||
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood.html#a29e58402f533badc9e8836044bc2df09"> 90</a></span> std::vector<int> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood.html#a29e58402f533badc9e8836044bc2df09">variables_that_can_be_fixed_to_local_optimum</a>;</div>
|
||
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span>};</div>
|
||
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
|
||
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span><span class="comment">// Contains pre-computed information about a given CpModelProto that is meant</span></div>
|
||
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="comment">// to be used to generate LNS neighborhood. This class can be shared between</span></div>
|
||
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="comment">// more than one generator in order to reduce memory usage.</span></div>
|
||
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="comment">// Note that its implement the SubSolver interface to be able to Synchronize()</span></div>
|
||
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="comment">// the bounds of the base problem with the external world.</span></div>
|
||
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html"> 99</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_sub_solver.html">SubSolver</a> {</div>
|
||
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a08c018489eb0c4c309f144780ebb8cce">NeighborhoodGeneratorHelper</a>(CpModelProto <span class="keyword">const</span>* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
|
||
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> SatParameters <span class="keyword">const</span>* <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
|
||
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>* <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a918534df03fdbcbc2dc69b1b5a7fc71e">shared_response</a>,</div>
|
||
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_class" href="classoperations__research_1_1_shared_time_limit.html">SharedTimeLimit</a>* shared_time_limit = <span class="keyword">nullptr</span>,</div>
|
||
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">SharedBoundsManager</a>* shared_bounds = <span class="keyword">nullptr</span>);</div>
|
||
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
|
||
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// SubSolver interface.</span></div>
|
||
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab25d3ac59ae6adc23d30b5fdc892b812"> 108</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab25d3ac59ae6adc23d30b5fdc892b812">TaskIsAvailable</a>()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
|
||
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a76de05a23aa232fdb8446cdc9e4674e2"> 109</a></span> std::function<void()> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a76de05a23aa232fdb8446cdc9e4674e2">GenerateTask</a>(int64_t task_id)<span class="keyword"> override </span>{ <span class="keywordflow">return</span> {}; }</div>
|
||
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#afa21407ae134806ac4337d0b2473b210">Synchronize</a>() <span class="keyword">override</span>;</div>
|
||
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
|
||
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Returns the LNS fragment where the given variables are fixed to the value</span></div>
|
||
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// they take in the given solution.</span></div>
|
||
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a6823902ca9e8cb58c90a9f086c647da6">FixGivenVariables</a>(</div>
|
||
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> CpSolverResponse& base_solution,</div>
|
||
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">const</span> absl::flat_hash_set<int>& variables_to_fix) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
|
||
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// Returns the neighborhood where the given constraints are removed.</span></div>
|
||
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac0763b7b9e44b9b30e78b9dd4da8e98a">RemoveMarkedConstraints</a>(</div>
|
||
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> std::vector<int>& constraints_to_remove) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
|
||
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// Returns the LNS fragment which will relax all inactive variables and all</span></div>
|
||
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// variables in relaxed_variables.</span></div>
|
||
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a8735c6fd1459361aa6696a77f8042bf1">RelaxGivenVariables</a>(</div>
|
||
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">const</span> std::vector<int>& relaxed_variables) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
|
||
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// Returns a trivial model by fixing all active variables to the initial</span></div>
|
||
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// solution values.</span></div>
|
||
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a307d968091a3bddbbce257cca9b79fbb">FixAllVariables</a>(<span class="keyword">const</span> CpSolverResponse& initial_solution) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
|
||
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Returns a neighborhood that correspond to the full problem.</span></div>
|
||
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a15cb168917371b5fb2d17b00e640de63">FullNeighborhood</a>() <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
|
||
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// Returns a neighborhood that will just be skipped.</span></div>
|
||
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// It usually indicate that the generator failed to generated a neighborhood.</span></div>
|
||
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a82a453ea79e75c81ab03ba9da8c40ce5">NoNeighborhood</a>() <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
|
||
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// Adds solution hinting to the neighborhood from the value of the initial</span></div>
|
||
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// solution.</span></div>
|
||
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac18c0fe53e351d0a5d105b8bc7d53c08">AddSolutionHinting</a>(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> CpModelProto* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
|
||
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// Indicates if the variable can be frozen. It happens if the variable is non</span></div>
|
||
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// constant, and if it is a decision variable, or if</span></div>
|
||
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// focus_on_decision_variables is false.</span></div>
|
||
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#abefd04794ae1f2f60e1fbf1938b8f262">IsActive</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keyword">const</span> ABSL_SHARED_LOCKS_REQUIRED(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
|
||
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// Returns the list of "active" variables.</span></div>
|
||
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab0c1ae5434755368da4aefde92f3ec7b"> 150</a></span> std::vector<int> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab0c1ae5434755368da4aefde92f3ec7b">ActiveVariables</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> std::vector<int> result;</div>
|
||
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> absl::ReaderMutexLock lock(&<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> result = active_variables_;</div>
|
||
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span> result;</div>
|
||
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
|
||
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
|
||
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a4c701668fe51d4444b40e6eec5820c89"> 157</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a4c701668fe51d4444b40e6eec5820c89">NumActiveVariables</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> absl::ReaderMutexLock lock(&<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span> active_variables_.size();</div>
|
||
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
|
||
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
|
||
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a820708532165269860f70e4cbe8211be"> 162</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a820708532165269860f70e4cbe8211be">DifficultyMeansFullNeighborhood</a>(<span class="keywordtype">double</span> difficulty)<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> absl::ReaderMutexLock lock(&<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">const</span> <span class="keywordtype">int</span> target_size = std::ceil(difficulty * active_variables_.size());</div>
|
||
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> target_size == active_variables_.size();</div>
|
||
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
|
||
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
|
||
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// Returns the vector of active variables. The graph_mutex_ must be</span></div>
|
||
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// locked before calling this method.</span></div>
|
||
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac02cf479219dbbbfc951a2855b2872f6"> 170</a></span> <span class="keyword">const</span> std::vector<int>& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac02cf479219dbbbfc951a2855b2872f6">ActiveVariablesWhileHoldingLock</a>() const</div>
|
||
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> ABSL_SHARED_LOCKS_REQUIRED(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>) {</div>
|
||
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">return</span> active_variables_;</div>
|
||
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</div>
|
||
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
|
||
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// Constraints <-> Variables graph.</span></div>
|
||
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// Note that only non-constant variable are listed here.</span></div>
|
||
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ad4d04f84841e8a112dc51402a58a9214"> 177</a></span> <span class="keyword">const</span> std::vector<std::vector<int>>& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ad4d04f84841e8a112dc51402a58a9214">ConstraintToVar</a>() const</div>
|
||
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> ABSL_SHARED_LOCKS_REQUIRED(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>) {</div>
|
||
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">return</span> constraint_to_var_;</div>
|
||
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> }</div>
|
||
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab2694abd49e974a803af4bebd88d3b98"> 181</a></span> <span class="keyword">const</span> std::vector<std::vector<int>>& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab2694abd49e974a803af4bebd88d3b98">VarToConstraint</a>() const</div>
|
||
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> ABSL_SHARED_LOCKS_REQUIRED(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>) {</div>
|
||
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">return</span> var_to_constraint_;</div>
|
||
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
|
||
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
|
||
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// Returns all the constraints indices of a given type.</span></div>
|
||
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a6660bb31f569da3f205c9c500d79b002"> 187</a></span> <span class="keyword">const</span> absl::Span<const int> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a6660bb31f569da3f205c9c500d79b002">TypeToConstraints</a>(</div>
|
||
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> ConstraintProto::ConstraintCase type)<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">if</span> (type >= type_to_constraints_.size()) <span class="keywordflow">return</span> {};</div>
|
||
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">return</span> absl::MakeSpan(type_to_constraints_[type]);</div>
|
||
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
|
||
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
|
||
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// Returns the list of indices of active interval constraints according</span></div>
|
||
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// to the initial_solution and the parameter lns_focus_on_performed_intervals.</span></div>
|
||
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// If true, this method returns the list of performed intervals in the</span></div>
|
||
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// solution. If false, it returns all intervals of the model.</span></div>
|
||
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> std::vector<int> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a8b0ea5233e98dcd85233c074a034fd05">GetActiveIntervals</a>(</div>
|
||
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">const</span> CpSolverResponse& initial_solution) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
|
||
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// Returns one sub-vector per circuit or per single vehicle ciruit in a routes</span></div>
|
||
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// constraints. Each circuit is non empty, and does not contain any</span></div>
|
||
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">// self-looping arcs. Path are sorted, starting from the arc with the lowest</span></div>
|
||
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// tail index, and going in sequence up to the last arc before the circuit is</span></div>
|
||
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="comment">// closed. Each entry correspond to the arc literal on the circuit.</span></div>
|
||
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> std::vector<std::vector<int>> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#aff6e1cdbf44ac50c3dcc0e5bb3591478">GetRoutingPaths</a>(</div>
|
||
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">const</span> CpSolverResponse& initial_solution) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
|
||
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// The initial problem.</span></div>
|
||
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// Note that the domain of the variables are not updated here.</span></div>
|
||
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a3db4e271948dabb2dc88bab3fae6ee23"> 210</a></span> <span class="keyword">const</span> CpModelProto& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a3db4e271948dabb2dc88bab3fae6ee23">ModelProto</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> model_proto_; }</div>
|
||
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a508d8d9f854e8c777837738245025632"> 211</a></span> <span class="keyword">const</span> SatParameters& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a508d8d9f854e8c777837738245025632">Parameters</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> parameters_; }</div>
|
||
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
|
||
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a918534df03fdbcbc2dc69b1b5a7fc71e"> 213</a></span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a918534df03fdbcbc2dc69b1b5a7fc71e">shared_response</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">return</span> *shared_response_;</div>
|
||
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> }</div>
|
||
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
|
||
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// TODO(user): Refactor the class to be thread-safe instead, it should be</span></div>
|
||
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// safer and more easily maintenable. Some complication with accessing the</span></div>
|
||
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// variable<->constraint graph efficiently though.</span></div>
|
||
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
|
||
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// Note: This mutex needs to be public for thread annotations.</span></div>
|
||
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019"> 222</a></span> <span class="keyword">mutable</span> absl::Mutex <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>;</div>
|
||
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
|
||
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// TODO(user): Display LNS statistics through the StatisticsString()</span></div>
|
||
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// method.</span></div>
|
||
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
|
||
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">private</span>:</div>
|
||
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// Precompute stuff that will never change. During the execution, only the</span></div>
|
||
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// domain of the variable will change, so data that only depends on the</span></div>
|
||
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// constraints need to be computed just once.</span></div>
|
||
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordtype">void</span> InitializeHelperData();</div>
|
||
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
|
||
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// Recompute most of the class member. This needs to be called when the</span></div>
|
||
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// domains of the variables are updated.</span></div>
|
||
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordtype">void</span> RecomputeHelperData();</div>
|
||
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
|
||
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// Indicates if a variable is fixed in the model.</span></div>
|
||
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordtype">bool</span> IsConstant(<span class="keywordtype">int</span> <a class="code hl_variable" href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a>) <span class="keyword">const</span> ABSL_SHARED_LOCKS_REQUIRED(domain_mutex_);</div>
|
||
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
|
||
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// Returns true if the domain on the objective is constraining and we might</span></div>
|
||
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// get a lower objective value at optimum without it.</span></div>
|
||
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordtype">bool</span> ObjectiveDomainIsConstraining() const</div>
|
||
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> ABSL_SHARED_LOCKS_REQUIRED(domain_mutex_);</div>
|
||
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
|
||
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> const SatParameters& parameters_;</div>
|
||
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> const CpModelProto& model_proto_;</div>
|
||
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordtype">int</span> shared_bounds_id_;</div>
|
||
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <a class="code hl_class" href="classoperations__research_1_1_shared_time_limit.html">SharedTimeLimit</a>* shared_time_limit_;</div>
|
||
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">SharedBoundsManager</a>* shared_bounds_;</div>
|
||
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>* shared_response_;</div>
|
||
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">SharedRelaxationSolutionRepository</a>* shared_relaxation_solutions_;</div>
|
||
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
|
||
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// This proto will only contain the field variables() with an updated version</span></div>
|
||
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// of the domains compared to model_proto_.variables(). We do it like this to</span></div>
|
||
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// reduce the memory footprint of the helper when the model is large.</span></div>
|
||
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// TODO(user): Use custom domain repository rather than a proto?</span></div>
|
||
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> CpModelProto model_proto_with_only_variables_ ABSL_GUARDED_BY(domain_mutex_);</div>
|
||
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
|
||
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">// Constraints by types. This never changes.</span></div>
|
||
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>>> type_to_constraints_;</div>
|
||
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
|
||
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// Whether a model_proto_ variable appear in the objective. This never</span></div>
|
||
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// changes.</span></div>
|
||
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">bool</span>> is_in_objective_;</div>
|
||
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
|
||
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// A copy of CpModelProto where we did some basic presolving to remove all</span></div>
|
||
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// constraint that are always true. The Variable-Constraint graph is based on</span></div>
|
||
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="comment">// this model. Note that only the constraints field is present here.</span></div>
|
||
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> CpModelProto simplied_model_proto_ ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> </div>
|
||
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// Variable-Constraint graph.</span></div>
|
||
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// We replace an interval by its variables in the scheduling constraints.</span></div>
|
||
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// TODO(user): Note that the objective is not considered here. Which is fine</span></div>
|
||
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// except if the objective domain is constraining.</span></div>
|
||
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>>> constraint_to_var_</div>
|
||
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>>> var_to_constraint_</div>
|
||
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
|
||
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// Connected components of the variable-constraint graph. If a variable is</span></div>
|
||
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// constant, it will not appear in any component and</span></div>
|
||
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// var_to_component_index_[var] will be -1.</span></div>
|
||
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>>> components_ ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>> var_to_component_index_ ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
|
||
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="comment">// The set of active variables which is currently the list of non-constant</span></div>
|
||
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="comment">// variables. It is stored both as a list and as a set (using a Boolean</span></div>
|
||
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// vector).</span></div>
|
||
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">bool</span>> active_variables_set_ ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<span class="keywordtype">int</span>> active_variables_ ABSL_GUARDED_BY(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">graph_mutex_</a>);</div>
|
||
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
|
||
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> mutable <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::Mutex domain_mutex_;</div>
|
||
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
|
||
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// Used to display periodic info to the log.</span></div>
|
||
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::Time last_logging_time_;</div>
|
||
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span>};</div>
|
||
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
|
||
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span><span class="comment">// Base class for a CpModelProto neighborhood generator.</span></div>
|
||
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html"> 301</a></span>class <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a60349be3472ae33af45a70cd5480a7e3"> 303</a></span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a60349be3472ae33af45a70cd5480a7e3">NeighborhoodGenerator</a>(<span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>,</div>
|
||
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper)</div>
|
||
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> : <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_sub_solver.html#a723d30392e2c4f36252de0528a1b246d">name_</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>), helper_(*helper), difficulty_(0.5) {}</div>
|
||
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1"> 306</a></span> <span class="keyword">virtual</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1">~NeighborhoodGenerator</a>() {}</div>
|
||
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
|
||
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// Generates a "local" subproblem for the given seed.</span></div>
|
||
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// The difficulty will be in [0, 1] and is related to the asked neighborhood</span></div>
|
||
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="comment">// size (and thus local problem difficulty). A difficulty of 0.0 means empty</span></div>
|
||
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// neighborhood and a difficulty of 1.0 means the full problem. The algorithm</span></div>
|
||
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// should try to generate a neighborhood according to this difficulty which</span></div>
|
||
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// will be dynamically adjusted depending on whether or not we can solve the</span></div>
|
||
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// subproblem in a given time limit.</span></div>
|
||
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// The given initial_solution should contain a feasible solution to the</span></div>
|
||
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// initial CpModelProto given to this class. Any solution to the returned</span></div>
|
||
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// CPModelProto should also be valid solution to the same initial model.</span></div>
|
||
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="comment">//</span></div>
|
||
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="comment">// This function should be thread-safe.</span></div>
|
||
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a09fa0632fb0484300de153adb79f071d"> 322</a></span> <span class="keyword">virtual</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a09fa0632fb0484300de153adb79f071d">Generate</a>(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) = 0;</div>
|
||
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
|
||
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// Returns true if the neighborhood generator can generate a neighborhood.</span></div>
|
||
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ReadyToGenerate() <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
|
||
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="comment">// Returns true if the neighborhood generator generates relaxation of the</span></div>
|
||
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="comment">// given problem.</span></div>
|
||
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a0c8b86bd60b4fc70cb653a12d50c2ce8"> 330</a></span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a0c8b86bd60b4fc70cb653a12d50c2ce8">IsRelaxationGenerator</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
|
||
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> </div>
|
||
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// Uses UCB1 algorithm to compute the score (Multi armed bandit problem).</span></div>
|
||
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="comment">// Details are at</span></div>
|
||
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="comment">// https://lilianweng.github.io/lil-log/2018/01/23/the-multi-armed-bandit-problem-and-its-solutions.html.</span></div>
|
||
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// 'total_num_calls' should be the sum of calls across all generators part of</span></div>
|
||
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="comment">// the multi armed bandit problem.</span></div>
|
||
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="comment">// If the generator is called less than 10 times then the method returns</span></div>
|
||
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="comment">// infinity as score in order to get more data about the generator</span></div>
|
||
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="comment">// performance.</span></div>
|
||
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="keywordtype">double</span> GetUCBScore(int64_t total_num_calls) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> </div>
|
||
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// Adds solve data about one "solved" neighborhood.</span></div>
|
||
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html"> 343</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html">SolveData</a> {</div>
|
||
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// Neighborhood Id. Used to identify the neighborhood by a generator.</span></div>
|
||
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">// Currently only used by WeightedRandomRelaxationNeighborhoodGenerator.</span></div>
|
||
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#ad578a0760fe4217d9cb5552835cf0572"> 346</a></span> int64_t neighborhood_id = 0;</div>
|
||
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> </div>
|
||
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// The status of the sub-solve.</span></div>
|
||
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a91dacddd9f775730c8d424d2ab4d76ac"> 349</a></span> CpSolverStatus <a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a> = CpSolverStatus::UNKNOWN;</div>
|
||
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
|
||
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// The difficulty when this neighborhood was generated.</span></div>
|
||
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a71013162baa979e0b8780100905cf700"> 352</a></span> <span class="keywordtype">double</span> difficulty = 0.0;</div>
|
||
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> </div>
|
||
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="comment">// The determinitic time limit given to the solver for this neighborhood.</span></div>
|
||
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a4f572c68b7bf3aac70b3f5292398ff7b"> 355</a></span> <span class="keywordtype">double</span> deterministic_limit = 0.0;</div>
|
||
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
|
||
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="comment">// The time it took to solve this neighborhood.</span></div>
|
||
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#afc5fa55f61560324377e4f42d4a9211f"> 358</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#ae525d235b02bcfc962d845e28f5f0125">deterministic_time</a> = 0.0;</div>
|
||
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
|
||
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="comment">// Objective information. These only refer to the "internal" objective</span></div>
|
||
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="comment">// without scaling or offset so we are exact and it is always in the</span></div>
|
||
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// minimization direction.</span></div>
|
||
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// - The initial best objective is the one of the best known solution at the</span></div>
|
||
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// time the neighborhood was generated.</span></div>
|
||
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// - The base objective is the one of the base solution from which this</span></div>
|
||
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="comment">// neighborhood was generated.</span></div>
|
||
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="comment">// - The new objective is the objective of the best solution found by</span></div>
|
||
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// solving the neighborhood.</span></div>
|
||
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2b7499dfe1d827cdca46593256705cd4"> 369</a></span> IntegerValue initial_best_objective = IntegerValue(0);</div>
|
||
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a1092ef5699db303eacd67586fe6273f4"> 370</a></span> IntegerValue base_objective = IntegerValue(0);</div>
|
||
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a6bdd919d4fe97909496a23f7d85b5d8e"> 371</a></span> IntegerValue new_objective = IntegerValue(0);</div>
|
||
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> </div>
|
||
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="comment">// Bounds data is only used by relaxation neighborhoods.</span></div>
|
||
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2579a2fccfe41ac8b5d8dac1c7f93607"> 374</a></span> IntegerValue initial_best_objective_bound = IntegerValue(0);</div>
|
||
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#abfd9e74380811ea081037db464d22f2f"> 375</a></span> IntegerValue new_objective_bound = IntegerValue(0);</div>
|
||
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> </div>
|
||
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// This is just used to construct a deterministic order for the updates.</span></div>
|
||
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a00195aa190a0eea4cd4ab808056bfbfd"> 378</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a00195aa190a0eea4cd4ab808056bfbfd">operator<</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html">SolveData</a>& o)<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">return</span> std::tie(<a class="code hl_variable" href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a>, difficulty, deterministic_limit,</div>
|
||
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#ae525d235b02bcfc962d845e28f5f0125">deterministic_time</a>, initial_best_objective,</div>
|
||
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> base_objective, new_objective,</div>
|
||
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> initial_best_objective_bound, new_objective_bound,</div>
|
||
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> neighborhood_id) <</div>
|
||
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> std::tie(o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a91dacddd9f775730c8d424d2ab4d76ac">status</a>, o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a71013162baa979e0b8780100905cf700">difficulty</a>, o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a4f572c68b7bf3aac70b3f5292398ff7b">deterministic_limit</a>,</div>
|
||
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#afc5fa55f61560324377e4f42d4a9211f">deterministic_time</a>, o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2b7499dfe1d827cdca46593256705cd4">initial_best_objective</a>,</div>
|
||
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a1092ef5699db303eacd67586fe6273f4">base_objective</a>, o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a6bdd919d4fe97909496a23f7d85b5d8e">new_objective</a>,</div>
|
||
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2579a2fccfe41ac8b5d8dac1c7f93607">initial_best_objective_bound</a>, o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#abfd9e74380811ea081037db464d22f2f">new_objective_bound</a>,</div>
|
||
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> o.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#ad578a0760fe4217d9cb5552835cf0572">neighborhood_id</a>);</div>
|
||
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> }</div>
|
||
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> };</div>
|
||
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a24d01ebae72ddcb6d698c97add3f41a5"> 391</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a24d01ebae72ddcb6d698c97add3f41a5">AddSolveData</a>(<a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html">SolveData</a> data) {</div>
|
||
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> solve_data_.push_back(data);</div>
|
||
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> }</div>
|
||
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> </div>
|
||
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// Process all the recently added solve data and update this generator</span></div>
|
||
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// score and difficulty.</span></div>
|
||
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#afa21407ae134806ac4337d0b2473b210">Synchronize</a>();</div>
|
||
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
|
||
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="comment">// Returns a short description of the generator.</span></div>
|
||
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1d89c28bd42ba9a52da008bb69367171"> 401</a></span> std::string <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1d89c28bd42ba9a52da008bb69367171">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_sub_solver.html#a723d30392e2c4f36252de0528a1b246d">name_</a>; }</div>
|
||
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> </div>
|
||
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// Number of times this generator was called.</span></div>
|
||
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9c3c8f8fa5a64c1c3c2e4985f2032034"> 404</a></span> int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9c3c8f8fa5a64c1c3c2e4985f2032034">num_calls</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">return</span> num_calls_;</div>
|
||
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> }</div>
|
||
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> </div>
|
||
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// Number of time the neighborhood was fully solved (OPTIMAL/INFEASIBLE).</span></div>
|
||
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9200434aac5afe3a96cb51544d5b38fa"> 410</a></span> int64_t <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9200434aac5afe3a96cb51544d5b38fa">num_fully_solved_calls</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="keywordflow">return</span> num_fully_solved_calls_;</div>
|
||
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> }</div>
|
||
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> </div>
|
||
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="comment">// The current difficulty of this generator</span></div>
|
||
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a43616719fac14b34582903ef03d114ac"> 416</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a43616719fac14b34582903ef03d114ac">difficulty</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">return</span> difficulty_.value();</div>
|
||
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> }</div>
|
||
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> </div>
|
||
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> <span class="comment">// The current time limit that the sub-solve should use on this generator.</span></div>
|
||
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae6e428960282281b0cc3d4ea0427a610"> 422</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae6e428960282281b0cc3d4ea0427a610">deterministic_limit</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">return</span> deterministic_limit_;</div>
|
||
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
|
||
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> </div>
|
||
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="comment">// The sum of the deterministic time spent in this generator.</span></div>
|
||
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae525d235b02bcfc962d845e28f5f0125"> 428</a></span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae525d235b02bcfc962d845e28f5f0125">deterministic_time</a>()<span class="keyword"> const </span>{</div>
|
||
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> absl::MutexLock mutex_lock(&generator_mutex_);</div>
|
||
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_sub_solver.html#ac05d8d7f6bf4c0144398514cc334d237">deterministic_time_</a>;</div>
|
||
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> }</div>
|
||
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> </div>
|
||
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keyword">protected</span>:</div>
|
||
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="comment">// Triggered with each call to Synchronize() for each recently added</span></div>
|
||
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="comment">// SolveData. This is meant to be used for processing feedbacks by specific</span></div>
|
||
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="comment">// neighborhood generators to adjust the neighborhood generation process.</span></div>
|
||
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ac497558c5257914ba8ffdc4e95e59c21"> 437</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ac497558c5257914ba8ffdc4e95e59c21">AdditionalProcessingOnSynchronize</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html">SolveData</a>& solve_data) {}</div>
|
||
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> </div>
|
||
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a723d30392e2c4f36252de0528a1b246d"> 439</a></span> <span class="keyword">const</span> std::string <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a723d30392e2c4f36252de0528a1b246d">name_</a>;</div>
|
||
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#acbd503b89d1dc3dd85dfa9e0e5058472"> 440</a></span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a>& <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#acbd503b89d1dc3dd85dfa9e0e5058472">helper_</a>;</div>
|
||
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1485e729f641f9670e3f827e5f60d56c"> 441</a></span> <span class="keyword">mutable</span> absl::Mutex <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1485e729f641f9670e3f827e5f60d56c">generator_mutex_</a>;</div>
|
||
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> </div>
|
||
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="keyword">private</span>:</div>
|
||
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> std::vector<SolveData> solve_data_;</div>
|
||
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div>
|
||
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="comment">// Current parameters to be used when generating/solving a neighborhood with</span></div>
|
||
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="comment">// this generator. Only updated on Synchronize().</span></div>
|
||
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <a class="code hl_class" href="classoperations__research_1_1_adaptive_parameter_value.html">AdaptiveParameterValue</a> difficulty_;</div>
|
||
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordtype">double</span> deterministic_limit_ = 0.1;</div>
|
||
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> </div>
|
||
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="comment">// Current statistics of the last solved neighborhood.</span></div>
|
||
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="comment">// Only updated on Synchronize().</span></div>
|
||
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> int64_t num_calls_ = 0;</div>
|
||
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> int64_t num_fully_solved_calls_ = 0;</div>
|
||
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> int64_t num_consecutive_non_improving_calls_ = 0;</div>
|
||
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_sub_solver.html#ac05d8d7f6bf4c0144398514cc334d237">deterministic_time_</a> = 0.0;</div>
|
||
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordtype">double</span> current_average_ = 0.0;</div>
|
||
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span>};</div>
|
||
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> </div>
|
||
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span><span class="comment">// Pick a random subset of variables.</span></div>
|
||
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span><span class="comment">// TODO(user): In the presence of connected components, this should just work</span></div>
|
||
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span><span class="comment">// on one of them.</span></div>
|
||
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html"> 464</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html">RelaxRandomVariablesGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html#ac1ebe72059188b5fe2ac7cd752e58c1b"> 466</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html#ac1ebe72059188b5fe2ac7cd752e58c1b">RelaxRandomVariablesGenerator</a>(</div>
|
||
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span>};</div>
|
||
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> </div>
|
||
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span><span class="comment">// Pick a random subset of constraints and relax all the variables of these</span></div>
|
||
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span><span class="comment">// constraints. Note that to satisfy the difficulty, we might not relax all the</span></div>
|
||
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span><span class="comment">// variable of the "last" constraint.</span></div>
|
||
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span><span class="comment">// TODO(user): In the presence of connected components, this should just work</span></div>
|
||
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span><span class="comment">// on one of them.</span></div>
|
||
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html"> 479</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html">RelaxRandomConstraintsGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html#af4c0879b69b72b7449aa8a4f46de129d"> 481</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html#af4c0879b69b72b7449aa8a4f46de129d">RelaxRandomConstraintsGenerator</a>(</div>
|
||
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span>};</div>
|
||
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
|
||
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span><span class="comment">// Pick a random subset of variables that are constructed by a BFS in the</span></div>
|
||
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span><span class="comment">// variable <-> constraint graph. That is, pick a random variable, then all the</span></div>
|
||
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span><span class="comment">// variable connected by some constraint to the first one, and so on. The</span></div>
|
||
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span><span class="comment">// variable of the last "level" are selected randomly.</span></div>
|
||
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span><span class="comment">// Note that in the presence of connected component, this works correctly</span></div>
|
||
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span><span class="comment">// already.</span></div>
|
||
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html"> 495</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html">VariableGraphNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html#a7c2e3be0221c9e8d25ee4c5023da94c4"> 497</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html#a7c2e3be0221c9e8d25ee4c5023da94c4">VariableGraphNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span>};</div>
|
||
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> </div>
|
||
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span><span class="comment">// Pick a random subset of constraint and relax all of their variables. We are a</span></div>
|
||
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span><span class="comment">// bit smarter than this because after the first constraint is selected, we only</span></div>
|
||
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span><span class="comment">// select constraints that share at least one variable with the already selected</span></div>
|
||
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span><span class="comment">// constraints. The variable from the "last" constraint are selected randomly.</span></div>
|
||
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html"> 508</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html">ConstraintGraphNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html#ad2ac901759c4a6edf1c88a1c9c380381"> 510</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html#ad2ac901759c4a6edf1c88a1c9c380381">ConstraintGraphNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span>};</div>
|
||
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> </div>
|
||
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span><span class="comment">// Helper method for the scheduling neighborhood generators. Returns the model</span></div>
|
||
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span><span class="comment">// as neighborhood for the given set of intervals to relax. For each no_overlap</span></div>
|
||
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span><span class="comment">// constraints, it adds strict relation order between the non-relaxed intervals.</span></div>
|
||
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span>Neighborhood <a class="code hl_function" href="namespaceoperations__research_1_1sat.html#ad57491858f7814f0a03845022b6de35e">GenerateSchedulingNeighborhoodForRelaxation</a>(</div>
|
||
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keyword">const</span> absl::Span<const int> intervals_to_relax,</div>
|
||
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> <span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> <span class="keyword">const</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a08c018489eb0c4c309f144780ebb8cce">NeighborhoodGeneratorHelper</a>& helper);</div>
|
||
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> </div>
|
||
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span><span class="comment">// Only make sense for scheduling problem. This select a random set of interval</span></div>
|
||
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span><span class="comment">// of the problem according to the difficulty. Then, for each no_overlap</span></div>
|
||
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span><span class="comment">// constraints, it adds strict relation order between the non-relaxed intervals.</span></div>
|
||
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span><span class="comment">// TODO(user): Also deal with cumulative constraint.</span></div>
|
||
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html"> 530</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html">SchedulingNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html#a290a392b71763eec83b7f69dc53781d6"> 532</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html#a290a392b71763eec83b7f69dc53781d6">SchedulingNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
|
||
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span>};</div>
|
||
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> </div>
|
||
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span><span class="comment">// Similar to SchedulingNeighborhoodGenerator except the set of intervals that</span></div>
|
||
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span><span class="comment">// are relaxed are from a specific random time interval.</span></div>
|
||
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html"> 542</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html">SchedulingTimeWindowNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html#a2ea0f2091a27219aa8345fff8068eedc"> 544</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html#a2ea0f2091a27219aa8345fff8068eedc">SchedulingTimeWindowNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> </div>
|
||
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span>};</div>
|
||
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> </div>
|
||
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span><span class="comment">// This routing based LNS generator will relax random arcs in all the paths of</span></div>
|
||
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span><span class="comment">// the circuit or routes constraints.</span></div>
|
||
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html"> 554</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html">RoutingRandomNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html#a5535fa964ce80c71a065fab040c03c47"> 556</a></span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html#a5535fa964ce80c71a065fab040c03c47">RoutingRandomNeighborhoodGenerator</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper,</div>
|
||
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> </div>
|
||
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span>};</div>
|
||
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> </div>
|
||
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span><span class="comment">// This routing based LNS generator will relax small sequences of arcs randomly</span></div>
|
||
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span><span class="comment">// chosen in all the paths of the circuit or routes constraints.</span></div>
|
||
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html"> 566</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html">RoutingPathNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html#adbb75705c5ab084ea7250acedfef36aa"> 568</a></span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html#adbb75705c5ab084ea7250acedfef36aa">RoutingPathNeighborhoodGenerator</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper,</div>
|
||
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> </div>
|
||
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span>};</div>
|
||
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> </div>
|
||
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span><span class="comment">// This routing based LNS generator aims are relaxing one full path, and make</span></div>
|
||
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span><span class="comment">// some room on the other paths to absorb the nodes of the relaxed path.</span></div>
|
||
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span><span class="comment">// In order to do so, it will relax the first and the last arc of each path in</span></div>
|
||
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span><span class="comment">// the circuit or routes constraints. Then it will relax all arc literals in one</span></div>
|
||
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span><span class="comment">// random path. Then it will relax random arcs in the remaining paths until it</span></div>
|
||
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span><span class="comment">// reaches the given difficulty.</span></div>
|
||
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html"> 583</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html">RoutingFullPathNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html#aa25781ece54ed6b19a02b9e993bb02a2"> 585</a></span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html#aa25781ece54ed6b19a02b9e993bb02a2">RoutingFullPathNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> </div>
|
||
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span>};</div>
|
||
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> </div>
|
||
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span><span class="comment">// Generates a neighborhood by fixing the variables to solutions reported in</span></div>
|
||
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span><span class="comment">// various repositories. This is inspired from RINS published in "Exploring</span></div>
|
||
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span><span class="comment">// relaxation induced neighborhoods to improve MIP solutions" 2004 by E. Danna</span></div>
|
||
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span><span class="comment">// et.</span></div>
|
||
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span><span class="comment">// If incomplete_solutions is provided, this generates a neighborhood by fixing</span></div>
|
||
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span><span class="comment">// the variable values to a solution in the SharedIncompleteSolutionManager and</span></div>
|
||
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span><span class="comment">// ignores the other repositories.</span></div>
|
||
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span><span class="comment">//</span></div>
|
||
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span><span class="comment">// Otherwise, if response_manager is not provided, this generates a neighborhood</span></div>
|
||
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span><span class="comment">// using only the linear/general relaxation values. The domain of the variables</span></div>
|
||
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span><span class="comment">// are reduced to the integer values around their lp solution/relaxation</span></div>
|
||
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span><span class="comment">// solution values. This was published in "RENS – The Relaxation Enforced</span></div>
|
||
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span><span class="comment">// Neighborhood" 2009 by Timo Berthold.</span></div>
|
||
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html"> 607</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html">RelaxationInducedNeighborhoodGenerator</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html#a04aa59221e89859285d2224a198d5a5f"> 609</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html#a04aa59221e89859285d2224a198d5a5f">RelaxationInducedNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper,</div>
|
||
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>* response_manager,</div>
|
||
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">SharedRelaxationSolutionRepository</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a>,</div>
|
||
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html">SharedLPSolutionRepository</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a>,</div>
|
||
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html">SharedIncompleteSolutionManager</a>* <a class="code hl_variable" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a>,</div>
|
||
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper),</div>
|
||
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> response_manager_(response_manager),</div>
|
||
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> relaxation_solutions_(<a class="code hl_variable" href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a>),</div>
|
||
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> lp_solutions_(<a class="code hl_variable" href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a>),</div>
|
||
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> incomplete_solutions_(<a class="code hl_variable" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a>) {</div>
|
||
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(lp_solutions_ != <span class="keyword">nullptr</span> || relaxation_solutions_ != <span class="keyword">nullptr</span> ||</div>
|
||
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <a class="code hl_variable" href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a> != <span class="keyword">nullptr</span>);</div>
|
||
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
|
||
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> </div>
|
||
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <span class="comment">// Both initial solution and difficulty values are ignored.</span></div>
|
||
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> </div>
|
||
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <span class="comment">// Returns true if the required solutions are available.</span></div>
|
||
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="keywordtype">bool</span> ReadyToGenerate() <span class="keyword">const override</span>;</div>
|
||
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> </div>
|
||
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> <span class="keyword">private</span>:</div>
|
||
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a>* response_manager_;</div>
|
||
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">SharedRelaxationSolutionRepository</a>* relaxation_solutions_;</div>
|
||
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html">SharedLPSolutionRepository</a>* lp_solutions_;</div>
|
||
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html">SharedIncompleteSolutionManager</a>* incomplete_solutions_;</div>
|
||
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span>};</div>
|
||
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> </div>
|
||
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span><span class="comment">// Generates a relaxation of the original model by removing a consecutive span</span></div>
|
||
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span><span class="comment">// of constraints starting at a random index. The number of constraints removed</span></div>
|
||
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span><span class="comment">// is in sync with the difficulty passed to the generator.</span></div>
|
||
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html"> 642</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html">ConsecutiveConstraintsRelaxationNeighborhoodGenerator</a></div>
|
||
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a23c196ccae7ce05ad735bd5def5a9052"> 645</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a23c196ccae7ce05ad735bd5def5a9052">ConsecutiveConstraintsRelaxationNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>)</div>
|
||
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a>(<a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>, helper) {}</div>
|
||
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> </div>
|
||
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf"> 651</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf">IsRelaxationGenerator</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
|
||
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054"> 652</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054">ReadyToGenerate</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
|
||
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span>};</div>
|
||
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span> </div>
|
||
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span><span class="comment">// Generates a relaxation of the original model by removing some constraints</span></div>
|
||
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span><span class="comment">// randomly with a given weight for each constraint that controls the</span></div>
|
||
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span><span class="comment">// probability of constraint getting removed. The number of constraints removed</span></div>
|
||
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span><span class="comment">// is in sync with the difficulty passed to the generator. Higher weighted</span></div>
|
||
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span><span class="comment">// constraints are more likely to get removed.</span></div>
|
||
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html"> 660</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html">WeightedRandomRelaxationNeighborhoodGenerator</a></div>
|
||
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">NeighborhoodGenerator</a> {</div>
|
||
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keyword">public</span>:</div>
|
||
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html">WeightedRandomRelaxationNeighborhoodGenerator</a>(</div>
|
||
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">NeighborhoodGeneratorHelper</a> <span class="keyword">const</span>* helper, <span class="keyword">const</span> std::string& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">name</a>);</div>
|
||
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> </div>
|
||
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> <span class="comment">// Generates the neighborhood as described above. Also stores the removed</span></div>
|
||
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="comment">// constraints indices for adjusting the weights.</span></div>
|
||
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_neighborhood.html">Neighborhood</a> Generate(<span class="keyword">const</span> CpSolverResponse& initial_solution,</div>
|
||
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="keywordtype">double</span> difficulty, absl::BitGenRef random) <span class="keyword">final</span>;</div>
|
||
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> </div>
|
||
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf"> 671</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf">IsRelaxationGenerator</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
|
||
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054"> 672</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054">ReadyToGenerate</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
|
||
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> </div>
|
||
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keyword">private</span>:</div>
|
||
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> <span class="comment">// Adjusts the weights of the constraints removed to get the neighborhood</span></div>
|
||
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> <span class="comment">// based on the solve_data.</span></div>
|
||
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="keywordtype">void</span> AdditionalProcessingOnSynchronize(<span class="keyword">const</span> SolveData& solve_data) <span class="keyword">override</span></div>
|
||
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(generator_mutex_);</div>
|
||
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
|
||
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="comment">// Higher weighted constraints are more likely to get removed.</span></div>
|
||
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> std::vector<double> constraint_weights_;</div>
|
||
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> <span class="keywordtype">int</span> num_removable_constraints_ = 0;</div>
|
||
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> </div>
|
||
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="comment">// Indices of the removed constraints per generated neighborhood.</span></div>
|
||
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> absl::flat_hash_map<int64_t, std::vector<int>> removed_constraints_</div>
|
||
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> ABSL_GUARDED_BY(generator_mutex_);</div>
|
||
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> </div>
|
||
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> <span class="comment">// TODO(user): Move this to parent class if other generators start using</span></div>
|
||
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="comment">// feedbacks.</span></div>
|
||
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> int64_t next_available_id_ ABSL_GUARDED_BY(generator_mutex_) = 0;</div>
|
||
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span>};</div>
|
||
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> </div>
|
||
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span>} <span class="comment">// namespace sat</span></div>
|
||
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span>} <span class="comment">// namespace operations_research</span></div>
|
||
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> </div>
|
||
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_SAT_CP_MODEL_LNS_H_</span></div>
|
||
<div class="ttc" id="aadaptative__parameter__value_8h_html"><div class="ttname"><a href="adaptative__parameter__value_8h.html">adaptative_parameter_value.h</a></div></div>
|
||
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
|
||
<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1_adaptive_parameter_value_html"><div class="ttname"><a href="classoperations__research_1_1_adaptive_parameter_value.html">operations_research::AdaptiveParameterValue</a></div><div class="ttdef"><b>Definition:</b> <a href="adaptative__parameter__value_8h_source.html#l00037">adaptative_parameter_value.h:37</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1_shared_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_shared_time_limit.html">operations_research::SharedTimeLimit</a></div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00352">time_limit.h:352</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html">operations_research::sat::ConsecutiveConstraintsRelaxationNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00642">cp_model_lns.h:643</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator_html_a18bd97b50e3170dabf1f537e19695054"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054">operations_research::sat::ConsecutiveConstraintsRelaxationNeighborhoodGenerator::ReadyToGenerate</a></div><div class="ttdeci">bool ReadyToGenerate() const override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00652">cp_model_lns.h:652</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator_html_a23c196ccae7ce05ad735bd5def5a9052"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a23c196ccae7ce05ad735bd5def5a9052">operations_research::sat::ConsecutiveConstraintsRelaxationNeighborhoodGenerator::ConsecutiveConstraintsRelaxationNeighborhoodGenerator</a></div><div class="ttdeci">ConsecutiveConstraintsRelaxationNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00645">cp_model_lns.h:645</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator_html_a674468b66860a4942dea730f9731c5cf"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_consecutive_constraints_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf">operations_research::sat::ConsecutiveConstraintsRelaxationNeighborhoodGenerator::IsRelaxationGenerator</a></div><div class="ttdeci">bool IsRelaxationGenerator() const override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00651">cp_model_lns.h:651</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html">operations_research::sat::ConstraintGraphNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00508">cp_model_lns.h:508</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator_html_ad2ac901759c4a6edf1c88a1c9c380381"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_constraint_graph_neighborhood_generator.html#ad2ac901759c4a6edf1c88a1c9c380381">operations_research::sat::ConstraintGraphNeighborhoodGenerator::ConstraintGraphNeighborhoodGenerator</a></div><div class="ttdeci">ConstraintGraphNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00510">cp_model_lns.h:510</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html">operations_research::sat::NeighborhoodGeneratorHelper</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00099">cp_model_lns.h:99</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a08c018489eb0c4c309f144780ebb8cce"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a08c018489eb0c4c309f144780ebb8cce">operations_research::sat::NeighborhoodGeneratorHelper::NeighborhoodGeneratorHelper</a></div><div class="ttdeci">NeighborhoodGeneratorHelper(CpModelProto const *model_proto, SatParameters const *parameters, SharedResponseManager *shared_response, SharedTimeLimit *shared_time_limit=nullptr, SharedBoundsManager *shared_bounds=nullptr)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00057">cp_model_lns.cc:57</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a15cb168917371b5fb2d17b00e640de63"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a15cb168917371b5fb2d17b00e640de63">operations_research::sat::NeighborhoodGeneratorHelper::FullNeighborhood</a></div><div class="ttdeci">Neighborhood FullNeighborhood() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00356">cp_model_lns.cc:356</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a307d968091a3bddbbce257cca9b79fbb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a307d968091a3bddbbce257cca9b79fbb">operations_research::sat::NeighborhoodGeneratorHelper::FixAllVariables</a></div><div class="ttdeci">Neighborhood FixAllVariables(const CpSolverResponse &initial_solution) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00651">cp_model_lns.cc:651</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a3db4e271948dabb2dc88bab3fae6ee23"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a3db4e271948dabb2dc88bab3fae6ee23">operations_research::sat::NeighborhoodGeneratorHelper::ModelProto</a></div><div class="ttdeci">const CpModelProto & ModelProto() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00210">cp_model_lns.h:210</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a4c701668fe51d4444b40e6eec5820c89"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a4c701668fe51d4444b40e6eec5820c89">operations_research::sat::NeighborhoodGeneratorHelper::NumActiveVariables</a></div><div class="ttdeci">int NumActiveVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00157">cp_model_lns.h:157</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a508d8d9f854e8c777837738245025632"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a508d8d9f854e8c777837738245025632">operations_research::sat::NeighborhoodGeneratorHelper::Parameters</a></div><div class="ttdeci">const SatParameters & Parameters() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00211">cp_model_lns.h:211</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a6660bb31f569da3f205c9c500d79b002"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a6660bb31f569da3f205c9c500d79b002">operations_research::sat::NeighborhoodGeneratorHelper::TypeToConstraints</a></div><div class="ttdeci">const absl::Span< const int > TypeToConstraints(ConstraintProto::ConstraintCase type) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00187">cp_model_lns.h:187</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a67e2097ff88593dbd0ddc8f393ed9019"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a67e2097ff88593dbd0ddc8f393ed9019">operations_research::sat::NeighborhoodGeneratorHelper::graph_mutex_</a></div><div class="ttdeci">absl::Mutex graph_mutex_</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00222">cp_model_lns.h:222</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a6823902ca9e8cb58c90a9f086c647da6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a6823902ca9e8cb58c90a9f086c647da6">operations_research::sat::NeighborhoodGeneratorHelper::FixGivenVariables</a></div><div class="ttdeci">Neighborhood FixGivenVariables(const CpSolverResponse &base_solution, const absl::flat_hash_set< int > &variables_to_fix) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00507">cp_model_lns.cc:507</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a76de05a23aa232fdb8446cdc9e4674e2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a76de05a23aa232fdb8446cdc9e4674e2">operations_research::sat::NeighborhoodGeneratorHelper::GenerateTask</a></div><div class="ttdeci">std::function< void()> GenerateTask(int64_t task_id) override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00109">cp_model_lns.h:109</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a820708532165269860f70e4cbe8211be"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a820708532165269860f70e4cbe8211be">operations_research::sat::NeighborhoodGeneratorHelper::DifficultyMeansFullNeighborhood</a></div><div class="ttdeci">bool DifficultyMeansFullNeighborhood(double difficulty) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00162">cp_model_lns.h:162</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a82a453ea79e75c81ab03ba9da8c40ce5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a82a453ea79e75c81ab03ba9da8c40ce5">operations_research::sat::NeighborhoodGeneratorHelper::NoNeighborhood</a></div><div class="ttdeci">Neighborhood NoNeighborhood() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00368">cp_model_lns.cc:368</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a8735c6fd1459361aa6696a77f8042bf1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a8735c6fd1459361aa6696a77f8042bf1">operations_research::sat::NeighborhoodGeneratorHelper::RelaxGivenVariables</a></div><div class="ttdeci">Neighborhood RelaxGivenVariables(const CpSolverResponse &initial_solution, const std::vector< int > &relaxed_variables) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00634">cp_model_lns.cc:634</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a8b0ea5233e98dcd85233c074a034fd05"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a8b0ea5233e98dcd85233c074a034fd05">operations_research::sat::NeighborhoodGeneratorHelper::GetActiveIntervals</a></div><div class="ttdeci">std::vector< int > GetActiveIntervals(const CpSolverResponse &initial_solution) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00374">cp_model_lns.cc:374</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_a918534df03fdbcbc2dc69b1b5a7fc71e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#a918534df03fdbcbc2dc69b1b5a7fc71e">operations_research::sat::NeighborhoodGeneratorHelper::shared_response</a></div><div class="ttdeci">const SharedResponseManager & shared_response() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00213">cp_model_lns.h:213</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ab0c1ae5434755368da4aefde92f3ec7b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab0c1ae5434755368da4aefde92f3ec7b">operations_research::sat::NeighborhoodGeneratorHelper::ActiveVariables</a></div><div class="ttdeci">std::vector< int > ActiveVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00150">cp_model_lns.h:150</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ab25d3ac59ae6adc23d30b5fdc892b812"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab25d3ac59ae6adc23d30b5fdc892b812">operations_research::sat::NeighborhoodGeneratorHelper::TaskIsAvailable</a></div><div class="ttdeci">bool TaskIsAvailable() override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00108">cp_model_lns.h:108</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ab2694abd49e974a803af4bebd88d3b98"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ab2694abd49e974a803af4bebd88d3b98">operations_research::sat::NeighborhoodGeneratorHelper::VarToConstraint</a></div><div class="ttdeci">const std::vector< std::vector< int > > & VarToConstraint() const ABSL_SHARED_LOCKS_REQUIRED(graph_mutex_)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00181">cp_model_lns.h:181</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_abefd04794ae1f2f60e1fbf1938b8f262"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#abefd04794ae1f2f60e1fbf1938b8f262">operations_research::sat::NeighborhoodGeneratorHelper::IsActive</a></div><div class="ttdeci">bool IsActive(int var) const ABSL_SHARED_LOCKS_REQUIRED(graph_mutex_)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00346">cp_model_lns.cc:346</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ac02cf479219dbbbfc951a2855b2872f6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac02cf479219dbbbfc951a2855b2872f6">operations_research::sat::NeighborhoodGeneratorHelper::ActiveVariablesWhileHoldingLock</a></div><div class="ttdeci">const std::vector< int > & ActiveVariablesWhileHoldingLock() const ABSL_SHARED_LOCKS_REQUIRED(graph_mutex_)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00170">cp_model_lns.h:170</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ac0763b7b9e44b9b30e78b9dd4da8e98a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac0763b7b9e44b9b30e78b9dd4da8e98a">operations_research::sat::NeighborhoodGeneratorHelper::RemoveMarkedConstraints</a></div><div class="ttdeci">Neighborhood RemoveMarkedConstraints(const std::vector< int > &constraints_to_remove) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00624">cp_model_lns.cc:624</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ac18c0fe53e351d0a5d105b8bc7d53c08"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ac18c0fe53e351d0a5d105b8bc7d53c08">operations_research::sat::NeighborhoodGeneratorHelper::AddSolutionHinting</a></div><div class="ttdeci">void AddSolutionHinting(const CpSolverResponse &initial_solution, CpModelProto *model_proto) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00606">cp_model_lns.cc:606</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_ad4d04f84841e8a112dc51402a58a9214"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#ad4d04f84841e8a112dc51402a58a9214">operations_research::sat::NeighborhoodGeneratorHelper::ConstraintToVar</a></div><div class="ttdeci">const std::vector< std::vector< int > > & ConstraintToVar() const ABSL_SHARED_LOCKS_REQUIRED(graph_mutex_)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00177">cp_model_lns.h:177</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_afa21407ae134806ac4337d0b2473b210"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#afa21407ae134806ac4337d0b2473b210">operations_research::sat::NeighborhoodGeneratorHelper::Synchronize</a></div><div class="ttdeci">void Synchronize() override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00079">cp_model_lns.cc:79</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_helper_html_aff6e1cdbf44ac50c3dcc0e5bb3591478"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator_helper.html#aff6e1cdbf44ac50c3dcc0e5bb3591478">operations_research::sat::NeighborhoodGeneratorHelper::GetRoutingPaths</a></div><div class="ttdeci">std::vector< std::vector< int > > GetRoutingPaths(const CpSolverResponse &initial_solution) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l00422">cp_model_lns.cc:422</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html">operations_research::sat::NeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00301">cp_model_lns.h:301</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a09fa0632fb0484300de153adb79f071d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a09fa0632fb0484300de153adb79f071d">operations_research::sat::NeighborhoodGenerator::Generate</a></div><div class="ttdeci">virtual Neighborhood Generate(const CpSolverResponse &initial_solution, double difficulty, absl::BitGenRef random)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a0c8b86bd60b4fc70cb653a12d50c2ce8"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a0c8b86bd60b4fc70cb653a12d50c2ce8">operations_research::sat::NeighborhoodGenerator::IsRelaxationGenerator</a></div><div class="ttdeci">virtual bool IsRelaxationGenerator() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00330">cp_model_lns.h:330</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a1485e729f641f9670e3f827e5f60d56c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1485e729f641f9670e3f827e5f60d56c">operations_research::sat::NeighborhoodGenerator::generator_mutex_</a></div><div class="ttdeci">absl::Mutex generator_mutex_</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00441">cp_model_lns.h:441</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a186eb8a0761d3a80e350e5d6eb6412a1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a186eb8a0761d3a80e350e5d6eb6412a1">operations_research::sat::NeighborhoodGenerator::~NeighborhoodGenerator</a></div><div class="ttdeci">virtual ~NeighborhoodGenerator()</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00306">cp_model_lns.h:306</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a1d89c28bd42ba9a52da008bb69367171"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a1d89c28bd42ba9a52da008bb69367171">operations_research::sat::NeighborhoodGenerator::name</a></div><div class="ttdeci">std::string name() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00401">cp_model_lns.h:401</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a24d01ebae72ddcb6d698c97add3f41a5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a24d01ebae72ddcb6d698c97add3f41a5">operations_research::sat::NeighborhoodGenerator::AddSolveData</a></div><div class="ttdeci">void AddSolveData(SolveData data)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00391">cp_model_lns.h:391</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a43616719fac14b34582903ef03d114ac"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a43616719fac14b34582903ef03d114ac">operations_research::sat::NeighborhoodGenerator::difficulty</a></div><div class="ttdeci">double difficulty() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00416">cp_model_lns.h:416</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a60349be3472ae33af45a70cd5480a7e3"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a60349be3472ae33af45a70cd5480a7e3">operations_research::sat::NeighborhoodGenerator::NeighborhoodGenerator</a></div><div class="ttdeci">NeighborhoodGenerator(const std::string &name, NeighborhoodGeneratorHelper const *helper)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00303">cp_model_lns.h:303</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a723d30392e2c4f36252de0528a1b246d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a723d30392e2c4f36252de0528a1b246d">operations_research::sat::NeighborhoodGenerator::name_</a></div><div class="ttdeci">const std::string name_</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00439">cp_model_lns.h:439</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a9200434aac5afe3a96cb51544d5b38fa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9200434aac5afe3a96cb51544d5b38fa">operations_research::sat::NeighborhoodGenerator::num_fully_solved_calls</a></div><div class="ttdeci">int64_t num_fully_solved_calls() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00410">cp_model_lns.h:410</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_a9c3c8f8fa5a64c1c3c2e4985f2032034"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#a9c3c8f8fa5a64c1c3c2e4985f2032034">operations_research::sat::NeighborhoodGenerator::num_calls</a></div><div class="ttdeci">int64_t num_calls() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00404">cp_model_lns.h:404</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_ac497558c5257914ba8ffdc4e95e59c21"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ac497558c5257914ba8ffdc4e95e59c21">operations_research::sat::NeighborhoodGenerator::AdditionalProcessingOnSynchronize</a></div><div class="ttdeci">virtual void AdditionalProcessingOnSynchronize(const SolveData &solve_data)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00437">cp_model_lns.h:437</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_acbd503b89d1dc3dd85dfa9e0e5058472"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#acbd503b89d1dc3dd85dfa9e0e5058472">operations_research::sat::NeighborhoodGenerator::helper_</a></div><div class="ttdeci">const NeighborhoodGeneratorHelper & helper_</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00440">cp_model_lns.h:440</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_ae525d235b02bcfc962d845e28f5f0125"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae525d235b02bcfc962d845e28f5f0125">operations_research::sat::NeighborhoodGenerator::deterministic_time</a></div><div class="ttdeci">double deterministic_time() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00428">cp_model_lns.h:428</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_neighborhood_generator_html_ae6e428960282281b0cc3d4ea0427a610"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_neighborhood_generator.html#ae6e428960282281b0cc3d4ea0427a610">operations_research::sat::NeighborhoodGenerator::deterministic_limit</a></div><div class="ttdeci">double deterministic_limit() const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00422">cp_model_lns.h:422</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relax_random_constraints_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html">operations_research::sat::RelaxRandomConstraintsGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00479">cp_model_lns.h:479</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relax_random_constraints_generator_html_af4c0879b69b72b7449aa8a4f46de129d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relax_random_constraints_generator.html#af4c0879b69b72b7449aa8a4f46de129d">operations_research::sat::RelaxRandomConstraintsGenerator::RelaxRandomConstraintsGenerator</a></div><div class="ttdeci">RelaxRandomConstraintsGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00481">cp_model_lns.h:481</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relax_random_variables_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html">operations_research::sat::RelaxRandomVariablesGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00464">cp_model_lns.h:464</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relax_random_variables_generator_html_ac1ebe72059188b5fe2ac7cd752e58c1b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relax_random_variables_generator.html#ac1ebe72059188b5fe2ac7cd752e58c1b">operations_research::sat::RelaxRandomVariablesGenerator::RelaxRandomVariablesGenerator</a></div><div class="ttdeci">RelaxRandomVariablesGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00466">cp_model_lns.h:466</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html">operations_research::sat::RelaxationInducedNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00607">cp_model_lns.h:607</a></div></div>
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||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator_html_a04aa59221e89859285d2224a198d5a5f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_relaxation_induced_neighborhood_generator.html#a04aa59221e89859285d2224a198d5a5f">operations_research::sat::RelaxationInducedNeighborhoodGenerator::RelaxationInducedNeighborhoodGenerator</a></div><div class="ttdeci">RelaxationInducedNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const SharedResponseManager *response_manager, const SharedRelaxationSolutionRepository *relaxation_solutions, const SharedLPSolutionRepository *lp_solutions, SharedIncompleteSolutionManager *incomplete_solutions, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00609">cp_model_lns.h:609</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html">operations_research::sat::RoutingFullPathNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00583">cp_model_lns.h:583</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator_html_aa25781ece54ed6b19a02b9e993bb02a2"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_full_path_neighborhood_generator.html#aa25781ece54ed6b19a02b9e993bb02a2">operations_research::sat::RoutingFullPathNeighborhoodGenerator::RoutingFullPathNeighborhoodGenerator</a></div><div class="ttdeci">RoutingFullPathNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00585">cp_model_lns.h:585</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_path_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html">operations_research::sat::RoutingPathNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00566">cp_model_lns.h:566</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_path_neighborhood_generator_html_adbb75705c5ab084ea7250acedfef36aa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_path_neighborhood_generator.html#adbb75705c5ab084ea7250acedfef36aa">operations_research::sat::RoutingPathNeighborhoodGenerator::RoutingPathNeighborhoodGenerator</a></div><div class="ttdeci">RoutingPathNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00568">cp_model_lns.h:568</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_random_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html">operations_research::sat::RoutingRandomNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00554">cp_model_lns.h:554</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_routing_random_neighborhood_generator_html_a5535fa964ce80c71a065fab040c03c47"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_routing_random_neighborhood_generator.html#a5535fa964ce80c71a065fab040c03c47">operations_research::sat::RoutingRandomNeighborhoodGenerator::RoutingRandomNeighborhoodGenerator</a></div><div class="ttdeci">RoutingRandomNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00556">cp_model_lns.h:556</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_scheduling_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html">operations_research::sat::SchedulingNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00530">cp_model_lns.h:530</a></div></div>
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||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_scheduling_neighborhood_generator_html_a290a392b71763eec83b7f69dc53781d6"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_scheduling_neighborhood_generator.html#a290a392b71763eec83b7f69dc53781d6">operations_research::sat::SchedulingNeighborhoodGenerator::SchedulingNeighborhoodGenerator</a></div><div class="ttdeci">SchedulingNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00532">cp_model_lns.h:532</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html">operations_research::sat::SchedulingTimeWindowNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00542">cp_model_lns.h:542</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator_html_a2ea0f2091a27219aa8345fff8068eedc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_scheduling_time_window_neighborhood_generator.html#a2ea0f2091a27219aa8345fff8068eedc">operations_research::sat::SchedulingTimeWindowNeighborhoodGenerator::SchedulingTimeWindowNeighborhoodGenerator</a></div><div class="ttdeci">SchedulingTimeWindowNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00544">cp_model_lns.h:544</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_bounds_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">operations_research::sat::SharedBoundsManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00425">synchronization.h:425</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_incomplete_solution_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html">operations_research::sat::SharedIncompleteSolutionManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00163">synchronization.h:163</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_l_p_solution_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html">operations_research::sat::SharedLPSolutionRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00147">synchronization.h:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_relaxation_solution_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">operations_research::sat::SharedRelaxationSolutionRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00138">synchronization.h:139</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html">operations_research::sat::SharedResponseManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00181">synchronization.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sub_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sub_solver.html">operations_research::sat::SubSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8h_source.html#l00043">subsolver.h:43</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sub_solver_html_a1d89c28bd42ba9a52da008bb69367171"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sub_solver.html#a1d89c28bd42ba9a52da008bb69367171">operations_research::sat::SubSolver::name</a></div><div class="ttdeci">std::string name() const</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8h_source.html#l00086">subsolver.h:86</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sub_solver_html_a723d30392e2c4f36252de0528a1b246d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sub_solver.html#a723d30392e2c4f36252de0528a1b246d">operations_research::sat::SubSolver::name_</a></div><div class="ttdeci">const std::string name_</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8h_source.html#l00092">subsolver.h:92</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sub_solver_html_ac05d8d7f6bf4c0144398514cc334d237"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sub_solver.html#ac05d8d7f6bf4c0144398514cc334d237">operations_research::sat::SubSolver::deterministic_time_</a></div><div class="ttdeci">double deterministic_time_</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8h_source.html#l00094">subsolver.h:94</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sub_solver_html_ae525d235b02bcfc962d845e28f5f0125"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sub_solver.html#ae525d235b02bcfc962d845e28f5f0125">operations_research::sat::SubSolver::deterministic_time</a></div><div class="ttdeci">double deterministic_time() const</div><div class="ttdef"><b>Definition:</b> <a href="subsolver_8h_source.html#l00083">subsolver.h:83</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html">operations_research::sat::VariableGraphNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00495">cp_model_lns.h:495</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator_html_a7c2e3be0221c9e8d25ee4c5023da94c4"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_variable_graph_neighborhood_generator.html#a7c2e3be0221c9e8d25ee4c5023da94c4">operations_research::sat::VariableGraphNeighborhoodGenerator::VariableGraphNeighborhoodGenerator</a></div><div class="ttdeci">VariableGraphNeighborhoodGenerator(NeighborhoodGeneratorHelper const *helper, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00497">cp_model_lns.h:497</a></div></div>
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||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html">operations_research::sat::WeightedRandomRelaxationNeighborhoodGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00660">cp_model_lns.h:661</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator_html_a18bd97b50e3170dabf1f537e19695054"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a18bd97b50e3170dabf1f537e19695054">operations_research::sat::WeightedRandomRelaxationNeighborhoodGenerator::ReadyToGenerate</a></div><div class="ttdeci">bool ReadyToGenerate() const override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00672">cp_model_lns.h:672</a></div></div>
|
||
<div class="ttc" id="aclassoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator_html_a674468b66860a4942dea730f9731c5cf"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_weighted_random_relaxation_neighborhood_generator.html#a674468b66860a4942dea730f9731c5cf">operations_research::sat::WeightedRandomRelaxationNeighborhoodGenerator::IsRelaxationGenerator</a></div><div class="ttdeci">bool IsRelaxationGenerator() const override</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00671">cp_model_lns.h:671</a></div></div>
|
||
<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
|
||
<div class="ttc" id="acp__model__presolve_8h_html"><div class="ttname"><a href="cp__model__presolve_8h.html">cp_model_presolve.h</a></div></div>
|
||
<div class="ttc" id="acp__model__solver_8cc_html_a2a2278bd1fb787198e496b7d443a05e8"><div class="ttname"><a href="cp__model__solver_8cc.html#a2a2278bd1fb787198e496b7d443a05e8">relaxation_solutions</a></div><div class="ttdeci">SharedRelaxationSolutionRepository * relaxation_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02053">cp_model_solver.cc:2053</a></div></div>
|
||
<div class="ttc" id="acp__model__solver_8cc_html_a5c52f4ef9698913ed16c67a4a6cec606"><div class="ttname"><a href="cp__model__solver_8cc.html#a5c52f4ef9698913ed16c67a4a6cec606">lp_solutions</a></div><div class="ttdeci">SharedLPSolutionRepository * lp_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02054">cp_model_solver.cc:2054</a></div></div>
|
||
<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02048">cp_model_solver.cc:2048</a></div></div>
|
||
<div class="ttc" id="acp__model__solver_8cc_html_a6bc4d701f71d498e82a3d45adde9a2e4"><div class="ttname"><a href="cp__model__solver_8cc.html#a6bc4d701f71d498e82a3d45adde9a2e4">incomplete_solutions</a></div><div class="ttdeci">SharedIncompleteSolutionManager * incomplete_solutions</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02055">cp_model_solver.cc:2055</a></div></div>
|
||
<div class="ttc" id="aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465"><div class="ttname"><a href="expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465">var</a></div><div class="ttdeci">IntVar * var</div><div class="ttdef"><b>Definition:</b> <a href="expr__array_8cc_source.html#l01874">expr_array.cc:1874</a></div></div>
|
||
<div class="ttc" id="ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d"><div class="ttname"><a href="g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d">status</a></div><div class="ttdeci">absl::Status status</div><div class="ttdef"><b>Definition:</b> <a href="g__gurobi_8cc_source.html#l00035">g_gurobi.cc:35</a></div></div>
|
||
<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
|
||
<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
|
||
<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
|
||
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_ad57491858f7814f0a03845022b6de35e"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#ad57491858f7814f0a03845022b6de35e">operations_research::sat::GenerateSchedulingNeighborhoodForRelaxation</a></div><div class="ttdeci">Neighborhood GenerateSchedulingNeighborhoodForRelaxation(const absl::Span< const int > intervals_to_relax, const CpSolverResponse &initial_solution, const NeighborhoodGeneratorHelper &helper)</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8cc_source.html#l01047">cp_model_lns.cc:1047</a></div></div>
|
||
<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>
|
||
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
|
||
<div class="ttc" id="asat_2model_8h_html"><div class="ttname"><a href="sat_2model_8h.html">model.h</a></div></div>
|
||
<div class="ttc" id="astrong__integers_8h_html"><div class="ttname"><a href="strong__integers_8h.html">strong_integers.h</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html">operations_research::sat::NeighborhoodGenerator::SolveData</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00343">cp_model_lns.h:343</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a00195aa190a0eea4cd4ab808056bfbfd"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a00195aa190a0eea4cd4ab808056bfbfd">operations_research::sat::NeighborhoodGenerator::SolveData::operator<</a></div><div class="ttdeci">bool operator<(const SolveData &o) const</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00378">cp_model_lns.h:378</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a1092ef5699db303eacd67586fe6273f4"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a1092ef5699db303eacd67586fe6273f4">operations_research::sat::NeighborhoodGenerator::SolveData::base_objective</a></div><div class="ttdeci">IntegerValue base_objective</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00370">cp_model_lns.h:370</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a2579a2fccfe41ac8b5d8dac1c7f93607"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2579a2fccfe41ac8b5d8dac1c7f93607">operations_research::sat::NeighborhoodGenerator::SolveData::initial_best_objective_bound</a></div><div class="ttdeci">IntegerValue initial_best_objective_bound</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00374">cp_model_lns.h:374</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a2b7499dfe1d827cdca46593256705cd4"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a2b7499dfe1d827cdca46593256705cd4">operations_research::sat::NeighborhoodGenerator::SolveData::initial_best_objective</a></div><div class="ttdeci">IntegerValue initial_best_objective</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00369">cp_model_lns.h:369</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a4f572c68b7bf3aac70b3f5292398ff7b"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a4f572c68b7bf3aac70b3f5292398ff7b">operations_research::sat::NeighborhoodGenerator::SolveData::deterministic_limit</a></div><div class="ttdeci">double deterministic_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00355">cp_model_lns.h:355</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a6bdd919d4fe97909496a23f7d85b5d8e"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a6bdd919d4fe97909496a23f7d85b5d8e">operations_research::sat::NeighborhoodGenerator::SolveData::new_objective</a></div><div class="ttdeci">IntegerValue new_objective</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00371">cp_model_lns.h:371</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a71013162baa979e0b8780100905cf700"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a71013162baa979e0b8780100905cf700">operations_research::sat::NeighborhoodGenerator::SolveData::difficulty</a></div><div class="ttdeci">double difficulty</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00352">cp_model_lns.h:352</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_a91dacddd9f775730c8d424d2ab4d76ac"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#a91dacddd9f775730c8d424d2ab4d76ac">operations_research::sat::NeighborhoodGenerator::SolveData::status</a></div><div class="ttdeci">CpSolverStatus status</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00349">cp_model_lns.h:349</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_abfd9e74380811ea081037db464d22f2f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#abfd9e74380811ea081037db464d22f2f">operations_research::sat::NeighborhoodGenerator::SolveData::new_objective_bound</a></div><div class="ttdeci">IntegerValue new_objective_bound</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00375">cp_model_lns.h:375</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_ad578a0760fe4217d9cb5552835cf0572"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#ad578a0760fe4217d9cb5552835cf0572">operations_research::sat::NeighborhoodGenerator::SolveData::neighborhood_id</a></div><div class="ttdeci">int64_t neighborhood_id</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00346">cp_model_lns.h:346</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data_html_afc5fa55f61560324377e4f42d4a9211f"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood_generator_1_1_solve_data.html#afc5fa55f61560324377e4f42d4a9211f">operations_research::sat::NeighborhoodGenerator::SolveData::deterministic_time</a></div><div class="ttdeci">double deterministic_time</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00358">cp_model_lns.h:358</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html">operations_research::sat::Neighborhood</a></div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00049">cp_model_lns.h:49</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a04d448b3000c058b67ad17541473a317"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a04d448b3000c058b67ad17541473a317">operations_research::sat::Neighborhood::is_generated</a></div><div class="ttdeci">bool is_generated</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00051">cp_model_lns.h:51</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a240d377e7dfd0f7b32cf859acf8943db"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a240d377e7dfd0f7b32cf859acf8943db">operations_research::sat::Neighborhood::num_relaxed_variables</a></div><div class="ttdeci">int num_relaxed_variables</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00078">cp_model_lns.h:78</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a29e58402f533badc9e8836044bc2df09"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a29e58402f533badc9e8836044bc2df09">operations_research::sat::Neighborhood::variables_that_can_be_fixed_to_local_optimum</a></div><div class="ttdeci">std::vector< int > variables_that_can_be_fixed_to_local_optimum</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00090">cp_model_lns.h:90</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a3828e04dced399427f06832424b9b4ae"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a3828e04dced399427f06832424b9b4ae">operations_research::sat::Neighborhood::num_relaxed_variables_in_objective</a></div><div class="ttdeci">int num_relaxed_variables_in_objective</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00079">cp_model_lns.h:79</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a44b6866eda48febe9f81e0a941caf8ce"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a44b6866eda48febe9f81e0a941caf8ce">operations_research::sat::Neighborhood::constraints_to_ignore</a></div><div class="ttdeci">std::vector< int > constraints_to_ignore</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00065">cp_model_lns.h:65</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a7f3afd61b6944986fd9d5f92fc187768"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a7f3afd61b6944986fd9d5f92fc187768">operations_research::sat::Neighborhood::is_simple</a></div><div class="ttdeci">bool is_simple</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00058">cp_model_lns.h:58</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a8e672808c179f95cf4c626aef798bbc7"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a8e672808c179f95cf4c626aef798bbc7">operations_research::sat::Neighborhood::is_reduced</a></div><div class="ttdeci">bool is_reduced</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00055">cp_model_lns.h:55</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_a9229601d319030879a64b25531c8a411"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#a9229601d319030879a64b25531c8a411">operations_research::sat::Neighborhood::delta</a></div><div class="ttdeci">CpModelProto delta</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00064">cp_model_lns.h:64</a></div></div>
|
||
<div class="ttc" id="astructoperations__research_1_1sat_1_1_neighborhood_html_aaed94da4e4845ead42773bd4468a8899"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_neighborhood.html#aaed94da4e4845ead42773bd4468a8899">operations_research::sat::Neighborhood::source_info</a></div><div class="ttdeci">std::string source_info</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__lns_8h_source.html#l00075">cp_model_lns.h:75</a></div></div>
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<div class="ttc" id="asubsolver_8h_html"><div class="ttname"><a href="subsolver_8h.html">subsolver.h</a></div></div>
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<div class="ttc" id="asynchronization_8h_html"><div class="ttname"><a href="synchronization_8h.html">synchronization.h</a></div></div>
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<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
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<div class="ttc" id="autil_2logging_8h_html"><div class="ttname"><a href="util_2logging_8h.html">logging.h</a></div></div>
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