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<a href="model__update__merge_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="model__update__merge_8h.html">ortools/math_opt/core/model_update_merge.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "<a class="code" href="sparse__vector__view_8h.html">ortools/math_opt/core/sparse_vector_view.h</a>"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "ortools/math_opt/model.pb.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "ortools/math_opt/model_update.pb.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "ortools/math_opt/sparse_containers.pb.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research_1_1math__opt.html">math_opt</a> {</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt.html#aa755b33432bb731690d1b9d5fd00ef06"> 33</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt.html#aa755b33432bb731690d1b9d5fd00ef06">MergeIntoUpdate</a>(<span class="keyword">const</span> ModelUpdateProto& from_new,</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> ModelUpdateProto& into_old) {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// Merge the deleted variables. Note that we remove from the merge the</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// variables that were created in `into_old`. Below we will simply remove</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// those variables from the list of new variables in the merge; thus making</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// the update as if those variables never existed.</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a5e96ec6d1d9277e9d24a42105047246d">internal::MergeIntoSortedIds</a>(from_new.deleted_variable_ids(),</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> *into_old.mutable_deleted_variable_ids(),</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/*deleted=*/</span>into_old.new_variables().ids());</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a5e96ec6d1d9277e9d24a42105047246d">internal::MergeIntoSortedIds</a>(</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> from_new.deleted_linear_constraint_ids(),</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> *into_old.mutable_deleted_linear_constraint_ids(),</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="comment">/*deleted=*/</span>into_old.new_linear_constraints().ids());</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// For variables and linear constraints updates, we want to ignore updates of:</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// 1. variable or linear constraints deleted in `from_new` (that could have</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// been updated in `into_old`).</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// 2. variable or linear constraints created in `into_old`. For those the code</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// of UpdateNewElementProperty() will use the new value directly as the</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// value of the created variable.</span></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Thus we create here the list of indices to ignore when filtering updates</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// for both variables and linear constraints.</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> google::protobuf::RepeatedField<int64_t></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> from_deleted_and_into_new_variable_ids = from_new.deleted_variable_ids();</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> from_deleted_and_into_new_variable_ids.MergeFrom(</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> into_old.new_variables().ids());</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> google::protobuf::RepeatedField<int64_t></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> from_deleted_and_into_new_linear_constraint_ids =</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> from_new.deleted_linear_constraint_ids();</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> from_deleted_and_into_new_linear_constraint_ids.MergeFrom(</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> into_old.new_linear_constraints().ids());</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// Merge updates of variable properties.</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> from_new.variable_updates().lower_bounds(),</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> *into_old.mutable_variable_updates()->mutable_lower_bounds(),</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> from_deleted_and_into_new_variable_ids);</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> from_new.variable_updates().upper_bounds(),</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> *into_old.mutable_variable_updates()->mutable_upper_bounds(),</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> from_deleted_and_into_new_variable_ids);</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> from_new.variable_updates().integers(),</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> *into_old.mutable_variable_updates()->mutable_integers(),</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> from_deleted_and_into_new_variable_ids);</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// Merge updates of linear constraints properties.</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> from_new.linear_constraint_updates().lower_bounds(),</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> *into_old.mutable_linear_constraint_updates()->mutable_lower_bounds(),</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> from_deleted_and_into_new_linear_constraint_ids);</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> from_new.linear_constraint_updates().upper_bounds(),</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> *into_old.mutable_linear_constraint_updates()->mutable_upper_bounds(),</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> from_deleted_and_into_new_linear_constraint_ids);</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// Merge new variables.</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// The merge occurs in two steps:</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// 1. For each property we remove from the merge the new variables from</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// `into_old` that are removed in `from_new` since those don't have to</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// exist. The code above has removed those from the deleted set to).</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// We also update the value of the property to the one of its update in</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// `from_new` if it exists. The code above has removed those updates</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// already.</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// 2. We append all new variables of `from_new` at once by using MergeFrom()</span></div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// on the VariablesProto. No merges are needed for those since they can't</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// have been know by `into_old`.</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (!from_new.new_variables().ids().empty() &&</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> !into_old.new_variables().ids().empty()) {</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <a class="code hl_define" href="base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6">CHECK_GT</a>(*from_new.new_variables().ids().begin(),</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> *into_old.new_variables().ids().rbegin());</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">/*ids=*/</span>into_old.new_variables().ids(),</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">/*values=*/</span>*into_old.mutable_new_variables()->mutable_lower_bounds(),</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">/*deleted=*/</span>from_new.deleted_variable_ids(),</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">/*updates=*/</span>from_new.variable_updates().lower_bounds());</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">/*ids=*/</span>into_old.new_variables().ids(),</div>
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|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/*values=*/</span>*into_old.mutable_new_variables()->mutable_upper_bounds(),</div>
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|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">/*deleted=*/</span>from_new.deleted_variable_ids(),</div>
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|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="comment">/*updates=*/</span>from_new.variable_updates().upper_bounds());</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">/*ids=*/</span>into_old.new_variables().ids(),</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">/*values=*/</span>*into_old.mutable_new_variables()->mutable_integers(),</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">/*deleted=*/</span>from_new.deleted_variable_ids(),</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="comment">/*updates=*/</span>from_new.variable_updates().integers());</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">/*ids=*/</span>into_old.new_variables().ids(),</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/*values=*/</span>*into_old.mutable_new_variables()->mutable_names(),</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/*deleted=*/</span>from_new.deleted_variable_ids(),</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// We use an empty view here since names can't be updated.</span></div>
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|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">/*updates=*/</span><a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_sparse_vector_view.html">SparseVectorView<std::string></a>());</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ad27155291d6ddde80d87c375b39c03ad">internal::RemoveDeletedIds</a>(</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">/*ids=*/</span>*into_old.mutable_new_variables()->mutable_ids(),</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">/*deleted=*/</span>from_new.deleted_variable_ids());</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> into_old.mutable_new_variables()->MergeFrom(from_new.new_variables());</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// Merge of new linear constraints. The algorithm is similar to variables; see</span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// comment above for details.</span></div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (!from_new.new_linear_constraints().ids().empty() &&</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> !into_old.new_linear_constraints().ids().empty()) {</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_define" href="base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6">CHECK_GT</a>(*from_new.new_linear_constraints().ids().begin(),</div>
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|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> *into_old.new_linear_constraints().ids().rbegin());</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/*ids=*/</span>into_old.new_linear_constraints().ids(),</div>
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|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="comment">/*values=*/</span></div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> *into_old.mutable_new_linear_constraints()->mutable_lower_bounds(),</div>
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|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="comment">/*deleted=*/</span>from_new.deleted_linear_constraint_ids(),</div>
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|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="comment">/*updates=*/</span>from_new.linear_constraint_updates().lower_bounds());</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="comment">/*ids=*/</span>into_old.new_linear_constraints().ids(),</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="comment">/*values=*/</span></div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> *into_old.mutable_new_linear_constraints()->mutable_upper_bounds(),</div>
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|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="comment">/*deleted=*/</span>from_new.deleted_linear_constraint_ids(),</div>
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|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">/*updates=*/</span>from_new.linear_constraint_updates().upper_bounds());</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">internal::UpdateNewElementProperty</a>(</div>
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|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">/*ids=*/</span>into_old.new_linear_constraints().ids(),</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/*values=*/</span>*into_old.mutable_new_linear_constraints()->mutable_names(),</div>
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|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="comment">/*deleted=*/</span>from_new.deleted_linear_constraint_ids(),</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// We use an empty view here since names can't be updated.</span></div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="comment">/*updates=*/</span><a class="code hl_class" href="classoperations__research_1_1math__opt_1_1_sparse_vector_view.html">SparseVectorView<std::string></a>());</div>
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|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ad27155291d6ddde80d87c375b39c03ad">internal::RemoveDeletedIds</a>(</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="comment">/*ids=*/</span>*into_old.mutable_new_linear_constraints()->mutable_ids(),</div>
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|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">/*deleted=*/</span>from_new.deleted_linear_constraint_ids());</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> into_old.mutable_new_linear_constraints()->MergeFrom(</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> from_new.new_linear_constraints());</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// Merge the objective.</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">if</span> (from_new.objective_updates().has_direction_update()) {</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> into_old.mutable_objective_updates()->set_direction_update(</div>
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|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> from_new.objective_updates().direction_update());</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (from_new.objective_updates().has_offset_update()) {</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> into_old.mutable_objective_updates()->set_offset_update(</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> from_new.objective_updates().offset_update());</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">internal::MergeIntoSparseVector</a>(</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> from_new.objective_updates().linear_coefficients(),</div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> *into_old.mutable_objective_updates()->mutable_linear_coefficients(),</div>
|
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> from_new.deleted_variable_ids());</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a2055bc6211807e6ce6192ef8f30bc583">internal::MergeIntoSparseDoubleMatrix</a>(</div>
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|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> from_new.objective_updates().quadratic_coefficients(),</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> *into_old.mutable_objective_updates()->mutable_quadratic_coefficients(),</div>
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|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">/*deleted_rows=*/</span>from_new.deleted_variable_ids(),</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="comment">/*deleted_columns=*/</span>from_new.deleted_variable_ids());</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// Merge the linear constraints coefficients.</span></div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a2055bc6211807e6ce6192ef8f30bc583">internal::MergeIntoSparseDoubleMatrix</a>(</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> from_new.linear_constraint_matrix_updates(),</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> *into_old.mutable_linear_constraint_matrix_updates(),</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">/*deleted_rows=*/</span>from_new.deleted_linear_constraint_ids(),</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/*deleted_columns=*/</span>from_new.deleted_variable_ids());</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceinternal.html">internal</a> {</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ad27155291d6ddde80d87c375b39c03ad"> 199</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#ad27155291d6ddde80d87c375b39c03ad">RemoveDeletedIds</a>(google::protobuf::RepeatedField<int64_t>& ids,</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">const</span> google::protobuf::RepeatedField<int64_t>& deleted) {</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">int</span> next_insertion_point = 0;</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">int</span> deleted_i = 0;</div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> int64_t <span class="keywordtype">id</span> : ids) {</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">while</span> (deleted_i < deleted.size() && deleted[deleted_i] < <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> ++deleted_i;</div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> }</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (deleted_i < deleted.size() && deleted[deleted_i] == <span class="keywordtype">id</span>) {</div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> ids[next_insertion_point] = id;</div>
|
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> ++next_insertion_point;</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> ids.Truncate(next_insertion_point);</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>}</div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a5e96ec6d1d9277e9d24a42105047246d"> 216</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a5e96ec6d1d9277e9d24a42105047246d">MergeIntoSortedIds</a>(</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">const</span> google::protobuf::RepeatedField<int64_t>& from_new,</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> google::protobuf::RepeatedField<int64_t>& into_old,</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">const</span> google::protobuf::RepeatedField<int64_t>& deleted) {</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> google::protobuf::RepeatedField<int64_t> result;</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">int</span> from_new_i = 0;</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordtype">int</span> into_old_i = 0;</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordtype">int</span> deleted_i = 0;</div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// Functions that adds the input id to the result if it is not in deleted. It</span></div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// updates deleted_i as a side effect too.</span></div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">const</span> <span class="keyword">auto</span> add_if_not_deleted = [&](<span class="keyword">const</span> int64_t id) {</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">while</span> (deleted_i < deleted.size() && deleted[deleted_i] < id) {</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> ++deleted_i;</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> }</div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">if</span> (deleted_i == deleted.size() || deleted[deleted_i] != id) {</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> result.Add(<span class="keywordtype">id</span>);</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> }</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> };</div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">while</span> (from_new_i < from_new.size() && into_old_i < into_old.size()) {</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">if</span> (from_new[from_new_i] < into_old[into_old_i]) {</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> add_if_not_deleted(from_new[from_new_i]);</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> ++from_new_i;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (from_new[from_new_i] > into_old[into_old_i]) {</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> add_if_not_deleted(into_old[into_old_i]);</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> ++into_old_i;</div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> } <span class="keywordflow">else</span> { <span class="comment">// from_new[from_new_i] == into_old[into_old_i]</span></div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> add_if_not_deleted(from_new[from_new_i]);</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> ++from_new_i;</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> ++into_old_i;</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> }</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// At this point either from_new_i == from_new.size() or to_i == to.size() or</span></div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// both. And the one that is not empty, if it exists, has elements greater</span></div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// than all other elements already inserted.</span></div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">for</span> (; from_new_i < from_new.size(); ++from_new_i) {</div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> add_if_not_deleted(from_new[from_new_i]);</div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> }</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">for</span> (; into_old_i < into_old.size(); ++into_old_i) {</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> add_if_not_deleted(into_old[into_old_i]);</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> into_old.Swap(&result);</div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span>}</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a2055bc6211807e6ce6192ef8f30bc583"> 264</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceoperations__research_1_1math__opt_1_1internal.html#a2055bc6211807e6ce6192ef8f30bc583">MergeIntoSparseDoubleMatrix</a>(</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">const</span> SparseDoubleMatrixProto& from_new, SparseDoubleMatrixProto& into_old,</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keyword">const</span> google::protobuf::RepeatedField<int64_t>& deleted_rows,</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keyword">const</span> google::protobuf::RepeatedField<int64_t>& deleted_columns) {</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> SparseDoubleMatrixProto result;</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">auto</span>& result_row_ids = *result.mutable_row_ids();</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">auto</span>& result_column_ids = *result.mutable_column_ids();</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">auto</span>& result_coefficients = *result.mutable_coefficients();</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// Contrary to rows that are traversed in order (the matrix is using row-major</span></div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">// order), columns are not. Thus we would have to start the iteration on</span></div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// deleted_columns for each new row of the matrix if we wanted to use the same</span></div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// approach as with rows. This would be O(num_rows * num_deleted_columns).</span></div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// Here we use a hash-set to be O(num_matrix_elements +</span></div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// num_deleted_columns). The downside is that we consumed</span></div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// O(num_deleted_columns) additional memory.</span></div>
|
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// We could have used binary search that would be O(num_matrix_elements *</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">// lg(num_deleted_columns)) but without additional memory.</span></div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keyword">const</span> absl::flat_hash_set<int64_t> deleted_columns_set(</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> deleted_columns.begin(), deleted_columns.end());</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keywordtype">int</span> from_new_i = 0;</div>
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|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordtype">int</span> into_old_i = 0;</div>
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|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordtype">int</span> deleted_rows_i = 0;</div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// Functions that adds the input tuple (row_id, col_id, coefficient) to the</span></div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// result if the input row_id and col_id are not in deleted_rows or</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="comment">// deleted_columns. It updates deleted_rows_i and deleted_columns_i as a side</span></div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// effect too.</span></div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keyword">const</span> <span class="keyword">auto</span> add_if_not_deleted = [&](<span class="keyword">const</span> int64_t row_id,</div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keyword">const</span> int64_t col_id,</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>) {</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">while</span> (deleted_rows_i < deleted_rows.size() &&</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> deleted_rows[deleted_rows_i] < row_id) {</div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> ++deleted_rows_i;</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">if</span> ((deleted_rows_i != deleted_rows.size() &&</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> deleted_rows[deleted_rows_i] == row_id) ||</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> deleted_columns_set.contains(col_id)) {</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> result_row_ids.Add(row_id);</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> result_column_ids.Add(col_id);</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> result_coefficients.Add(<a class="code hl_variable" href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a>);</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> };</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">while</span> (from_new_i < from_new.row_ids_size() &&</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> into_old_i < into_old.row_ids_size()) {</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// Matrices are in row-major order and std::pair comparison is</span></div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// lexicographical, thus matrices are sorted in the natural order of pairs</span></div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// of coordinates (row, col).</span></div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">const</span> <span class="keyword">auto</span> from_new_coordinates = std::make_pair(</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> from_new.row_ids(from_new_i), from_new.column_ids(from_new_i));</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keyword">const</span> <span class="keyword">auto</span> into_old_coordinates = std::make_pair(</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> into_old.row_ids(into_old_i), into_old.column_ids(into_old_i));</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">if</span> (from_new_coordinates < into_old_coordinates) {</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> add_if_not_deleted(from_new_coordinates.first,</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> from_new_coordinates.second,</div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> from_new.coefficients(from_new_i));</div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> ++from_new_i;</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (from_new_coordinates > into_old_coordinates) {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> add_if_not_deleted(into_old_coordinates.first,</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> into_old_coordinates.second,</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> into_old.coefficients(into_old_i));</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> ++into_old_i;</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> } <span class="keywordflow">else</span> { <span class="comment">// from_new_coordinates == into_old_coordinates</span></div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> add_if_not_deleted(from_new_coordinates.first,</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> from_new_coordinates.second,</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> from_new.coefficients(from_new_i));</div>
|
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> ++from_new_i;</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> ++into_old_i;</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">// At this point either from_new_i == from_new.row_ids_size() or</span></div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// to_i == to.row_ids_size() (or both). And the one that is not empty, if it</span></div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// exists, has elements greater than all other elements already inserted.</span></div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">for</span> (; from_new_i < from_new.row_ids_size(); ++from_new_i) {</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> add_if_not_deleted(from_new.row_ids(from_new_i),</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> from_new.column_ids(from_new_i),</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> from_new.coefficients(from_new_i));</div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> }</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">for</span> (; into_old_i < into_old.row_ids_size(); ++into_old_i) {</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> add_if_not_deleted(into_old.row_ids(into_old_i),</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> into_old.column_ids(into_old_i),</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> into_old.coefficients(into_old_i));</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> }</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> </div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> into_old.Swap(&result);</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span>}</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span>} <span class="comment">// namespace internal</span></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span>} <span class="comment">// namespace math_opt</span></div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7e03ec13560fa94a8fea569960d7efc6"><div class="ttname"><a href="base_2logging_8h.html#a7e03ec13560fa94a8fea569960d7efc6">CHECK_GT</a></div><div class="ttdeci">#define CHECK_GT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00708">base/logging.h:708</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1math__opt_1_1_sparse_vector_view_html"><div class="ttname"><a href="classoperations__research_1_1math__opt_1_1_sparse_vector_view.html">operations_research::math_opt::SparseVectorView</a></div><div class="ttdef"><b>Definition:</b> <a href="sparse__vector__view_8h_source.html#l00088">sparse_vector_view.h:88</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="amodel__update__merge_8h_html"><div class="ttname"><a href="model__update__merge_8h.html">model_update_merge.h</a></div></div>
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<div class="ttc" id="anamespaceinternal_html"><div class="ttname"><a href="namespaceinternal.html">internal</a></div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8h_source.html#l00138">connected_components.h:138</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a2055bc6211807e6ce6192ef8f30bc583"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a2055bc6211807e6ce6192ef8f30bc583">operations_research::math_opt::internal::MergeIntoSparseDoubleMatrix</a></div><div class="ttdeci">void MergeIntoSparseDoubleMatrix(const SparseDoubleMatrixProto &from_new, SparseDoubleMatrixProto &into_old, const google::protobuf::RepeatedField< int64_t > &deleted_rows, const google::protobuf::RepeatedField< int64_t > &deleted_columns)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8cc_source.html#l00264">model_update_merge.cc:264</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a5e96ec6d1d9277e9d24a42105047246d"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a5e96ec6d1d9277e9d24a42105047246d">operations_research::math_opt::internal::MergeIntoSortedIds</a></div><div class="ttdeci">void MergeIntoSortedIds(const google::protobuf::RepeatedField< int64_t > &from_new, google::protobuf::RepeatedField< int64_t > &into_old, const google::protobuf::RepeatedField< int64_t > &deleted)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8cc_source.html#l00216">model_update_merge.cc:216</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_a9684ef19cf2b20816cf49d2f044aaacc"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#a9684ef19cf2b20816cf49d2f044aaacc">operations_research::math_opt::internal::UpdateNewElementProperty</a></div><div class="ttdeci">void UpdateNewElementProperty(const google::protobuf::RepeatedField< int64_t > &ids, RepeatedField &values, const google::protobuf::RepeatedField< int64_t > &deleted, const SparseVector &updates)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8h_source.html#l00174">model_update_merge.h:174</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_ad27155291d6ddde80d87c375b39c03ad"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#ad27155291d6ddde80d87c375b39c03ad">operations_research::math_opt::internal::RemoveDeletedIds</a></div><div class="ttdeci">void RemoveDeletedIds(google::protobuf::RepeatedField< int64_t > &ids, const google::protobuf::RepeatedField< int64_t > &deleted)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8cc_source.html#l00199">model_update_merge.cc:199</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_1_1internal_html_ae3dd1b1c310edb8cf9292aa30e3df8b2"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt_1_1internal.html#ae3dd1b1c310edb8cf9292aa30e3df8b2">operations_research::math_opt::internal::MergeIntoSparseVector</a></div><div class="ttdeci">void MergeIntoSparseVector(const SparseVector &from_new, SparseVector &into_old, const google::protobuf::RepeatedField< int64_t > &deleted)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8h_source.html#l00119">model_update_merge.h:119</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html">operations_research::math_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="arrow__operator__proxy_8h_source.html#l00020">arrow_operator_proxy.h:20</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1math__opt_html_aa755b33432bb731690d1b9d5fd00ef06"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#aa755b33432bb731690d1b9d5fd00ef06">operations_research::math_opt::MergeIntoUpdate</a></div><div class="ttdeci">void MergeIntoUpdate(const ModelUpdateProto &from_new, ModelUpdateProto &into_old)</div><div class="ttdef"><b>Definition:</b> <a href="model__update__merge_8cc_source.html#l00033">model_update_merge.cc:33</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="arouting__filters_8cc_html_a8e4ee19dee0e00541dbe9bbc83d806ba"><div class="ttname"><a href="routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba">coefficient</a></div><div class="ttdeci">int64_t coefficient</div><div class="ttdef"><b>Definition:</b> <a href="routing__filters_8cc_source.html#l00969">routing_filters.cc:969</a></div></div>
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<div class="ttc" id="asparse__vector__view_8h_html"><div class="ttname"><a href="sparse__vector__view_8h.html">sparse_vector_view.h</a></div></div>
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</div><!-- fragment --></div><!-- contents -->
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<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_1defc00030ff81d309105e053121082f.html">math_opt</a></li><li class="navelem"><a class="el" href="dir_d5b95ec3710e8b09bb3a6564ed5074d8.html">core</a></li><li class="navelem"><a class="el" href="model__update__merge_8cc.html">model_update_merge.cc</a></li>
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