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<div class="title">entering_variable.cc</div> </div>
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<a href="entering__variable_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2010-2021 Google LLC</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="entering__variable_8h.html">ortools/glop/entering_variable.h</a>&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;queue&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="timer_8h.html">ortools/base/timer.h</a>&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="lp__data_2lp__utils_8h.html">ortools/lp_data/lp_utils.h</a>&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="port_2proto__utils_8h.html">ortools/port/proto_utils.h</a>&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>glop {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classoperations__research_1_1glop_1_1_entering_variable.html#a2dbed549d25654617b466ea86d51fa51"> 25</a></span>&#160;<a class="code" href="classoperations__research_1_1glop_1_1_entering_variable.html
<div class="ttc" id="classoperations__research_1_1glop_1_1_update_row_html_a30fddb9e35865ba28420bd52538a183f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_update_row.html#a30fddb9e35865ba28420bd52538a183f">operations_research::glop::UpdateRow::GetCoefficients</a></div><div class="ttdeci">const DenseRow &amp; GetCoefficients() const</div><div class="ttdef"><b>Definition:</b> <a href="update__row_8cc_source.html#l00165">update_row.cc:165</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html_a71d4734d51e7037c043b68a74bd7857f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html#a71d4734d51e7037c043b68a74bd7857f">operations_research::glop::VariablesInfo::GetCanDecreaseBitRow</a></div><div class="ttdeci">const DenseBitRow &amp; GetCanDecreaseBitRow() const</div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8cc_source.html#l00298">variables_info.cc:298</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html_a6cc56ab5da3a82aa2793d18a37f422c4"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html#a6cc56ab5da3a82aa2793d18a37f422c4">operations_research::glop::VariablesInfo::GetCanIncreaseBitRow</a></div><div class="ttdeci">const DenseBitRow &amp; GetCanIncreaseBitRow() const</div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8cc_source.html#l00294">variables_info.cc:294</a></div></div>
<div class="ttc" id="base_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00983">base/logging.h:983</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_reduced_costs_html_aa6a9551b792028d16dc7123c80f429d1"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_reduced_costs.html#aa6a9551b792028d16dc7123c80f429d1">operations_research::glop::ReducedCosts::GetDualFeasibilityTolerance</a></div><div class="ttdeci">Fractional GetDualFeasibilityTolerance() const</div><div class="ttdef"><b>Definition:</b> <a href="reduced__costs_8h_source.html#l00177">reduced_costs.h:177</a></div></div>
<div class="ttc" id="namespaceoperations__research_1_1glop_html_a4452e21ffb34da40470f1e0791800027a62e32b9a6efb029208f576ee123b459f"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a4452e21ffb34da40470f1e0791800027a62e32b9a6efb029208f576ee123b459f">operations_research::glop::VariableType::UPPER_AND_LOWER_BOUNDED</a></div></div>
<div class="ttc" id="namespaceoperations__research_1_1glop_html_afb755b7934d8679476e2f05a89739bcd"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#afb755b7934d8679476e2f05a89739bcd">operations_research::glop::kInvalidCol</a></div><div class="ttdeci">const ColIndex kInvalidCol(-1)</div></div>
<div class="ttc" id="markowitz_8cc_html_aa9d6c98fdf8d89b0e2321fda02adc82c"><div class="ttname"><a href="markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c">col</a></div><div class="ttdeci">ColIndex col</div><div class="ttdef"><b>Definition:</b> <a href="markowitz_8cc_source.html#l00183">markowitz.cc:183</a></div></div>
<div class="ttc" id="stats_8h_html_a9995704aaaf45fc21e08c847551a8d04"><div class="ttname"><a href="stats_8h.html#a9995704aaaf45fc21e08c847551a8d04">SCOPED_TIME_STAT</a></div><div class="ttdeci">#define SCOPED_TIME_STAT(stats)</div><div class="ttdef"><b>Definition:</b> <a href="stats_8h_source.html#l00438">stats.h:438</a></div></div>
<div class="ttc" id="namespaceoperations__research_1_1glop_html_a733947145e3e1631165b618b05c9ccb7"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7">operations_research::glop::Fractional</a></div><div class="ttdeci">double Fractional</div><div class="ttdef"><b>Definition:</b> <a href="lp__types_8h_source.html#l00078">lp_types.h:78</a></div></div>
<div class="ttc" id="status_8h_html_ae9a90d3e61ffae636234f2c1283117d8"><div class="ttname"><a href="status_8h.html#ae9a90d3e61ffae636234f2c1283117d8">GLOP_RETURN_ERROR_IF_NULL</a></div><div class="ttdeci">#define GLOP_RETURN_ERROR_IF_NULL(arg)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00087">status.h:87</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_status_html_a071b1d04197c0ac6e7a4d0ec0b91ff43"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_status.html#a071b1d04197c0ac6e7a4d0ec0b91ff43">operations_research::glop::Status::OK</a></div><div class="ttdeci">static const Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00056">status.h:56</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_entering_variable_html_afaf135d40c257d0f1a49aa8e795c9b03"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_entering_variable.html#afaf135d40c257d0f1a49aa8e795c9b03">operations_research::glop::EnteringVariable::DualChooseEnteringColumn</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT Status DualChooseEnteringColumn(bool nothing_to_recompute, const UpdateRow &amp;update_row, Fractional cost_variation, std::vector&lt; ColIndex &gt; *bound_flip_candidates, ColIndex *entering_col)</div><div class="ttdef"><b>Definition:</b> <a href="entering__variable_8cc_source.html#l00033">entering_variable.cc:33</a></div></div>
<div class="ttc" id="classoperations__research_1_1_bitset64_html"><div class="ttname"><a href="classoperations__research_1_1_bitset64.html">operations_research::Bitset64&lt; ColIndex &gt;</a></div></div>
<div class="ttc" id="timer_8h_html"><div class="ttname"><a href="timer_8h.html">timer.h</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_glop_parameters_html_aad2c4edf11b93e46bae7f18ebd43301c"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#aad2c4edf11b93e46bae7f18ebd43301c">operations_research::glop::GlopParameters::degenerate_ministep_factor</a></div><div class="ttdeci">double degenerate_ministep_factor() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l02532">parameters.pb.h:2532</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_glop_parameters_html_a802ffefaec0732058182bb426e8edbd2"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a802ffefaec0732058182bb426e8edbd2">operations_research::glop::GlopParameters::ratio_test_zero_threshold</a></div><div class="ttdeci">double ratio_test_zero_threshold() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01577">parameters.pb.h:1577</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html">operations_research::glop::VariablesInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8h_source.html#l00055">variables_info.h:55</a></div></div>
<div class="ttc" id="alldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_entering_variable_html_ae7202d055b6b172a8a1da4f5b136f9ea"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_entering_variable.html#ae7202d055b6b172a8a1da4f5b136f9ea">operations_research::glop::EnteringVariable::SetParameters</a></div><div class="ttdeci">void SetParameters(const GlopParameters &amp;parameters)</div><div class="ttdef"><b>Definition:</b> <a href="entering__variable_8cc_source.html#l00346">entering_variable.cc:346</a></div></div>
<div class="ttc" id="base_2logging_8h_html_a46e69120fbd3b36e6960e096d23b66f0"><div class="ttname"><a href="base_2logging_8h.html#a46e69120fbd3b36e6960e096d23b66f0">DCHECK_NE</a></div><div class="ttdeci">#define DCHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00891">base/logging.h:891</a></div></div>
<div class="ttc" id="namespaceoperations__research_1_1glop_html_a4452e21ffb34da40470f1e0791800027aaa56837dd3f2917e1e13f3173b596103"><div class="ttname"><a href="namespaceoperations__research_1_1glop.html#a4452e21ffb34da40470f1e0791800027aaa56837dd3f2917e1e13f3173b596103">operations_research::glop::VariableType::FIXED_VARIABLE</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_update_row_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_update_row.html">operations_research::glop::UpdateRow</a></div><div class="ttdef"><b>Definition:</b> <a href="update__row_8h_source.html#l00040">update_row.h:40</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_status_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_status.html">operations_research::glop::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00026">status.h:26</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html_a78146b251b30383686ec55362254cc3b"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html#a78146b251b30383686ec55362254cc3b">operations_research::glop::VariablesInfo::GetTypeRow</a></div><div class="ttdeci">const VariableTypeRow &amp; GetTypeRow() const</div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8cc_source.html#l00286">variables_info.cc:286</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html_a505af340486fcf70ee83abb32e31a628"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html#a505af340486fcf70ee83abb32e31a628">operations_research::glop::VariablesInfo::GetNonBasicBoxedVariables</a></div><div class="ttdeci">const DenseBitRow &amp; GetNonBasicBoxedVariables() const</div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8cc_source.html#l00312">variables_info.cc:312</a></div></div>
<div class="ttc" id="port_2proto__utils_8h_html"><div class="ttname"><a href="port_2proto__utils_8h.html">proto_utils.h</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_update_row_html_af8e957f1c8389089554ded7bd2b7b45f"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_update_row.html#af8e957f1c8389089554ded7bd2b7b45f">operations_research::glop::UpdateRow::GetNonZeroPositions</a></div><div class="ttdeci">const ColIndexVector &amp; GetNonZeroPositions() const</div><div class="ttdef"><b>Definition:</b> <a href="update__row_8cc_source.html#l00167">update_row.cc:167</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_entering_variable_html_aa271bff260917fd62d0d7509b7118ad6"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_entering_variable.html#aa271bff260917fd62d0d7509b7118ad6">operations_research::glop::EnteringVariable::DualPhaseIChooseEnteringColumn</a></div><div class="ttdeci">ABSL_MUST_USE_RESULT Status DualPhaseIChooseEnteringColumn(bool nothing_to_recompute, const UpdateRow &amp;update_row, Fractional cost_variation, ColIndex *entering_col)</div><div class="ttdef"><b>Definition:</b> <a href="entering__variable_8cc_source.html#l00230">entering_variable.cc:230</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_strict_i_t_i_vector_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html">operations_research::glop::StrictITIVector&lt; ColIndex, Fractional &gt;</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_glop_parameters_html_a68285ca7ffce0d4295c9ce20414eaec4"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a68285ca7ffce0d4295c9ce20414eaec4">operations_research::glop::GlopParameters::minimum_acceptable_pivot</a></div><div class="ttdeci">double minimum_acceptable_pivot() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01661">parameters.pb.h:1661</a></div></div>
<div class="ttc" id="base_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006"><div class="ttname"><a href="base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a></div><div class="ttdeci">#define DCHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_reduced_costs_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_reduced_costs.html">operations_research::glop::ReducedCosts</a></div><div class="ttdef"><b>Definition:</b> <a href="reduced__costs_8h_source.html#l00049">reduced_costs.h:49</a></div></div>
<div class="ttc" id="classoperations__research_1_1_bitset64_html_aa454a4099ee887726b8f5b4a8ed1a81d"><div class="ttname"><a href="classoperations__research_1_1_bitset64.html#aa454a4099ee887726b8f5b4a8ed1a81d">operations_research::Bitset64::IsSet</a></div><div class="ttdeci">bool IsSet(IndexType i) const</div><div class="ttdef"><b>Definition:</b> <a href="bitset_8h_source.html#l00485">bitset.h:485</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_entering_variable_html_a2dbed549d25654617b466ea86d51fa51"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_entering_variable.html#a2dbed549d25654617b466ea86d51fa51">operations_research::glop::EnteringVariable::EnteringVariable</a></div><div class="ttdeci">EnteringVariable(const VariablesInfo &amp;variables_info, absl::BitGenRef random, ReducedCosts *reduced_costs)</div><div class="ttdef"><b>Definition:</b> <a href="entering__variable_8cc_source.html#l00025">entering_variable.cc:25</a></div></div>
<div class="ttc" id="namespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
<div class="ttc" id="entering__variable_8h_html"><div class="ttname"><a href="entering__variable_8h.html">entering_variable.h</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_variables_info_html_a611fb1da73c33e2716b380db980fa825"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_variables_info.html#a611fb1da73c33e2716b380db980fa825">operations_research::glop::VariablesInfo::GetBoundDifference</a></div><div class="ttdeci">Fractional GetBoundDifference(ColIndex col) const</div><div class="ttdef"><b>Definition:</b> <a href="variables__info_8h_source.html#l00141">variables_info.h:141</a></div></div>
<div class="ttc" id="cp__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#l00120">cp_model_fz_solver.cc:120</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_reduced_costs_html_a9f7d17ed171863f104fbb2a450f89251"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_reduced_costs.html#a9f7d17ed171863f104fbb2a450f89251">operations_research::glop::ReducedCosts::GetReducedCosts</a></div><div class="ttdeci">const DenseRow &amp; GetReducedCosts()</div><div class="ttdef"><b>Definition:</b> <a href="reduced__costs_8cc_source.html#l00319">reduced_costs.cc:319</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_glop_parameters_html_a40a2f57f5c801d77d6af1848383a4171"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html#a40a2f57f5c801d77d6af1848383a4171">operations_research::glop::GlopParameters::harris_tolerance_ratio</a></div><div class="ttdeci">double harris_tolerance_ratio() const</div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l01605">parameters.pb.h:1605</a></div></div>
<div class="ttc" id="lp__data_2lp__utils_8h_html"><div class="ttname"><a href="lp__data_2lp__utils_8h.html">lp_utils.h</a></div></div>
<div class="ttc" id="classoperations__research_1_1glop_1_1_glop_parameters_html"><div class="ttname"><a href="classoperations__research_1_1glop_1_1_glop_parameters.html">operations_research::glop::GlopParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="parameters_8pb_8h_source.html#l00194">parameters.pb.h:194</a></div></div>
<div class="ttc" id="stats_8h_html_a3c3e6b102f0d91c523099325c98e1887"><div class="ttname"><a href="stats_8h.html#a3c3e6b102f0d91c523099325c98e1887">IF_STATS_ENABLED</a></div><div class="ttdeci">#define IF_STATS_ENABLED(instructions)</div><div class="ttdef"><b>Definition:</b> <a href="stats_8h_source.html#l00437">stats.h:437</a></div></div>
2021-01-26 11:28:50 +01:00
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