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<a href="gscip__ext_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="gscip__ext_8h.html">ortools/gscip/gscip_ext.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 &quot;<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>&quot;</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="status__macros_8h.html">ortools/base/status_macros.h</a>&quot;</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;std::string MaybeExtendName(<span class="keyword">const</span> std::string&amp; base_name,</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keyword">const</span> std::string&amp; extension) {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordflow">if</span> (base_name.empty()) {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keywordflow">return</span> absl::StrCat(base_name, <span class="stringliteral">&quot;/&quot;</span>, extension);</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;}</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;} <span class="comment">// namespace</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_g_scip_linear_expr.html#a7ae223fca7247ae9b82366c8c93ee69b"> 33</a></span>&#160;<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#ac971d4b0d25c1dfa4e082d457f8d903b">GScipLinearExpr::GScipLinearExpr</a>(SCIP_VAR* variable) { <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">terms</a>[variable] = 1.0; }</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structoperations__research_1_1_g_scip_linear_expr.html#a43e0d424450d49c675de95d866e159e5"> 35</a></span>&#160;<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#ac971d4b0d25c1dfa4e082d457f8d903b">GScipLinearExpr::GScipLinearExpr</a>(<span class="keywordtype">double</span> offset) : offset(offset) {}</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a2f87c40d4bdf2c5a4a38f4b949d21f06"> 37</a></span>&#160;<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> <a class="code" href="namespaceoperations__research.html#a2f87c40d4bdf2c5a4a38f4b949d21f06">GScipDifference</a>(<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> left,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>&amp; right) {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; left.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">offset</a> -= right.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">offset</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; term : right.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">terms</a>) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; left.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">terms</a>[term.first] -= term.second;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> left;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3"> 46</a></span>&#160;<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> <a class="code" href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3">GScipNegate</a>(<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> expr) {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; expr.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">offset</a> = -expr.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">offset</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; term : expr.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">terms</a>) {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; term.second = -term.second;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">return</span> expr;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;}</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment">// Returns the range -inf &lt;= left.terms - right.terms &lt;= right.offset -</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment">// left.offset</span></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a297998830d7b9c480a499be99a90c7c0"> 56</a></span>&#160;<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html">GScipLinearRange</a> <a class="code" href="namespaceoperations__research.html#a297998830d7b9c480a499be99a90c7c0">GScipLe</a>(<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> left,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>&amp; right) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a> diff = <a class="code" href="namespaceoperations__research.html#a2f87c40d4bdf2c5a4a38f4b949d21f06">GScipDifference</a>(left, right);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_linear_range.html">GScipLinearRange</a> result;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; result.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = -std::numeric_limits&lt;double&gt;::infinity();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; result.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = -diff.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">offset</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; term : diff.<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">terms</a>) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; result.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">variables</a>.push_back(term.first);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; result.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a>.push_back(term.second);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;}</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a876ba05b3ab41e7e9bf0425d47197e5f"> 69</a></span>&#160;absl::Status <a class="code" href="namespaceoperations__research.html#a876ba05b3ab41e7e9bf0425d47197e5f">GScipCreateAbs</a>(<a class="code" href="classoperations__research_1_1_g_scip.html">GScip</a>* gscip, SCIP_Var* x, SCIP_Var* abs_x,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research.html#a32116424b56445ea83eebdb47a21eb21">GScipCreateMaximum</a>(</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; gscip, <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>(abs_x),</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; {<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>(x), <a class="code" href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3">GScipNegate</a>(<a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>(x))}, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;}</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a32116424b56445ea83eebdb47a21eb21"> 76</a></span>&#160;absl::Status <a class="code" href="namespaceoperations__research.html#a32116424b56445ea83eebdb47a21eb21">GScipCreateMaximum</a>(<a class="code" href="classoperations__research_1_1_g_scip.html">GScip</a>* gscip, <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>&amp; resultant,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">const</span> std::vector&lt;GScipLinearExpr&gt;&amp; terms,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// TODO(user): it may be better to write this in terms of the disjuntive</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// constraint, we need to support disjunctions in gscip.h to do this.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// z_i in {0,1}, indicates if y = x_i</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="comment">//</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// x_i &lt;= y</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// z_i =&gt; y &lt;= x_i</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="comment">// \sum_i z_i == 1</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; std::vector&lt;SCIP_VAR*&gt; indicators;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; terms.size(); ++i) {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">auto</span> z = gscip-&gt;<a class="code" href="classoperations__research_1_1_g_scip.html#a0fc54fff7fc2db6aae9022575429cbf9">AddVariable</a>(0.0, 1.0, 0.0, <a class="code" href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2">GScipVarType::kInteger</a>,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, absl::StrCat(<span class="stringliteral">&quot;z_&quot;</span>, i)));</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(z.status());</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; indicators.push_back(*z);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; terms.size(); ++i) {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// x_i &lt;= y</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; gscip</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; -&gt;AddLinearConstraint(</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="namespaceoperations__research.html#a297998830d7b9c480a499be99a90c7c0">GScipLe</a>(terms.at(i), resultant),</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, absl::StrCat(<span class="stringliteral">&quot;x_&quot;</span>, i, <span class="stringliteral">&quot;_le_y&quot;</span>)))</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; .status());</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="comment">// z_i =&gt; y &lt;= x_i</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_linear_range.html">GScipLinearRange</a> y_less_x = <a class="code" href="namespaceoperations__research.html#a297998830d7b9c480a499be99a90c7c0">GScipLe</a>(resultant, terms.at(i));</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(y_less_x.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>, -std::numeric_limits&lt;double&gt;::infinity());</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html">GScipIndicatorConstraint</a> ind;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; ind.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#afea502b78833028b3e2b519fa038201a">indicator_variable</a> = indicators.at(i);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; ind.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#af61405a35aed8f0e7ed852fc9b3dc44d">variables</a> = y_less_x.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">variables</a>;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; ind.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a> = y_less_x.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a>;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; ind.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = y_less_x.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; gscip</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; -&gt;AddIndicatorConstraint(</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; ind, MaybeExtendName(</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, absl::StrCat(<span class="stringliteral">&quot;y_le__x_&quot;</span>, i, <span class="stringliteral">&quot;_if_z_&quot;</span>, i)))</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; .status());</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// sum_i z_i = 1.</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_linear_range.html">GScipLinearRange</a> z_use;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; z_use.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = 1.0;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; z_use.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a> = 1.0;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; z_use.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">variables</a> = indicators;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; z_use.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a> = std::vector&lt;double&gt;(indicators.size(), 1.0);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> gscip-&gt;<a class="code" href="classoperations__research_1_1_g_scip.html#a2b576f762517cd3e18d24d02435eb3f6">AddLinearConstraint</a>(z_use, MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">&quot;one_z&quot;</span>))</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; .status();</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#abb287f3f4d1bce6b4ec847c62a08a8ee"> 132</a></span>&#160;absl::Status <a class="code" href="namespaceoperations__research.html#abb287f3f4d1bce6b4ec847c62a08a8ee">GScipCreateMinimum</a>(<a class="code" href="classoperations__research_1_1_g_scip.html">GScip</a>* gscip, <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>&amp; resultant,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keyword">const</span> std::vector&lt;GScipLinearExpr&gt;&amp; terms,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; std::vector&lt;GScipLinearExpr&gt; negated_terms;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; negated_terms.reserve(terms.size());</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_linear_expr.html">GScipLinearExpr</a>&amp; e : terms) {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; negated_terms.push_back(<a class="code" href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3">GScipNegate</a>(e));</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceoperations__research.html#a32116424b56445ea83eebdb47a21eb21">GScipCreateMaximum</a>(gscip, <a class="code" href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3">GScipNegate</a>(resultant), negated_terms, <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;}</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a986eab45ec513f2034562cae6e02b4c6"> 143</a></span>&#160;absl::Status <a class="code" href="namespaceoperations__research.html#a986eab45ec513f2034562cae6e02b4c6">GScipAddQuadraticObjectiveTerm</a>(</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="classoperations__research_1_1_g_scip.html">GScip</a>* gscip, std::vector&lt;SCIP_Var*&gt; quadratic_variables1,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; std::vector&lt;SCIP_Var*&gt; quadratic_variables2,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; std::vector&lt;double&gt; quadratic_coefficients, <span class="keyword">const</span> std::string&amp; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; constexpr <span class="keywordtype">double</span> <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a> = std::numeric_limits&lt;double&gt;::infinity();</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">auto</span> obj_term =</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; gscip-&gt;<a class="code" href="classoperations__research_1_1_g_scip.html#a0fc54fff7fc2db6aae9022575429cbf9">AddVariable</a>(-<a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>, <a class="code" href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">kInf</a>, 1.0, <a class="code" href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8">GScipVarType::kContinuous</a>,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">&quot;obj&quot;</span>));</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(obj_term.status());</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_quadratic_range.html">GScipQuadraticRange</a> range;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; range.<a class="code" href="structoperations__research_1_1_g_scip_quadratic_range.html#a7dcaa2059661c7d9900e718b734216c6">quadratic_variables1</a> = quadratic_variables1;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; range.quadratic_variables2 = quadratic_variables2;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; range.quadratic_coefficients = quadratic_coefficients;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; range.linear_coefficients = {-1.0};</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; range.linear_variables = {*obj_term};</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> (gscip-&gt;<a class="code" href="classoperations__research_1_1_g_scip.html#aff2dd45c50b5ceaee4400ad00eda9d70">ObjectiveIsMaximize</a>()) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="comment">// maximize z</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="comment">// z &lt;= Q(x, y)</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="comment">// =&gt; 0 &lt;= Q(x, y) - z &lt;= inf</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; range.lower_bound = 0.0;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">// minimize z</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// z &gt;= Q(x, y)</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// =&gt; 0 &gt;= Q(x, y) - z &gt;= -inf</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; range.upper_bound = 0.0;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> gscip-&gt;<a class="code" href="classoperations__research_1_1_g_scip.html#ae429c1ac9342e0f0185169be5d34a021">AddQuadraticConstraint</a>(range, MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">&quot;cons&quot;</span>))</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; .status();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;}</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#ae203d18bb597e00e945b5e16de484731"> 173</a></span>&#160;absl::Status <a class="code" href="namespaceoperations__research.html#ae203d18bb597e00e945b5e16de484731">GScipCreateIndicatorRange</a>(</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <a class="code" href="classoperations__research_1_1_g_scip.html">GScip</a>* gscip, <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html">GScipIndicatorRangeConstraint</a>&amp; indicator_range,</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="keyword">const</span> <a class="code" href="structoperations__research_1_1_g_scip_constraint_options.html">GScipConstraintOptions</a>&amp; options) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keywordflow">if</span> (std::isfinite(indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>)) {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html">GScipIndicatorConstraint</a> ub_constraint;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; ub_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; ub_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#af61405a35aed8f0e7ed852fc9b3dc44d">variables</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">variables</a>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; ub_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a>;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; ub_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#afea502b78833028b3e2b519fa038201a">indicator_variable</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#afea502b78833028b3e2b519fa038201a">indicator_variable</a>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; ub_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">negate_indicator</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">negate_indicator</a>;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; -&gt;AddIndicatorConstraint(</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; ub_constraint, MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">&quot;ub&quot;</span>), options)</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; .status());</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">if</span> (std::isfinite(indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>)) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="comment">// want z -&gt; lb &lt;= a * x</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="comment">// &lt;=&gt; z -&gt; -lb &gt;= -a * x</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html">GScipIndicatorConstraint</a> lb_constraint;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; lb_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">upper_bound</a> = -indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">lower_bound</a>;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; lb_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#af61405a35aed8f0e7ed852fc9b3dc44d">variables</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">variables</a>;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">double</span> c : indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">range</a>.<a class="code" href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a>) {</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; lb_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#ab1734711414da2e668957d24a41b1ddf">coefficients</a>.push_back(-c);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; lb_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#afea502b78833028b3e2b519fa038201a">indicator_variable</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#afea502b78833028b3e2b519fa038201a">indicator_variable</a>;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; lb_constraint.<a class="code" href="structoperations__research_1_1_g_scip_indicator_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">negate_indicator</a> = indicator_range.<a class="code" href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">negate_indicator</a>;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <a class="code" href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a>(gscip</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; -&gt;AddIndicatorConstraint(</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; lb_constraint, MaybeExtendName(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="stringliteral">&quot;lb&quot;</span>), options)</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; .status());</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">return</span> absl::OkStatus();</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;}</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;} <span class="comment">// namespace operations_research</span></div><div class="ttc" id="classoperations__research_1_1_g_scip_html_a0fc54fff7fc2db6aae9022575429cbf9"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html#a0fc54fff7fc2db6aae9022575429cbf9">operations_research::GScip::AddVariable</a></div><div class="ttdeci">absl::StatusOr&lt; SCIP_VAR * &gt; AddVariable(double lb, double ub, double obj_coef, GScipVarType var_type, const std::string &amp;var_name=&quot;&quot;, const GScipVariableOptions &amp;options=DefaultGScipVariableOptions())</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8cc_source.html#l00302">gscip.cc:302</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_afed9a24bde49a74960848a3d560274a3"><div class="ttname"><a href="namespaceoperations__research.html#afed9a24bde49a74960848a3d560274a3">operations_research::GScipNegate</a></div><div class="ttdeci">GScipLinearExpr GScipNegate(GScipLinearExpr expr)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00046">gscip_ext.cc:46</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_range_html_a1ba5ca0f61f2fa13bd23bf0f89004f35"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_range.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">operations_research::GScipLinearRange::upper_bound</a></div><div class="ttdeci">double upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00102">gscip.h:102</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_range_constraint_html_a70c2b6b65c1a890cb66da7e0dbdee607"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">operations_research::GScipIndicatorRangeConstraint::negate_indicator</a></div><div class="ttdeci">bool negate_indicator</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00083">gscip_ext.h:83</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_expr_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_expr.html">operations_research::GScipLinearExpr</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00046">gscip_ext.h:46</a></div></div>
<div class="ttc" id="classoperations__research_1_1_g_scip_html"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html">operations_research::GScip</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00127">gscip.h:127</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_range_html_a1e2f9a2352c1d9a6cada9544898fceec"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_range.html#a1e2f9a2352c1d9a6cada9544898fceec">operations_research::GScipLinearRange::lower_bound</a></div><div class="ttdeci">double lower_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00099">gscip.h:99</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html_af61405a35aed8f0e7ed852fc9b3dc44d"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html#af61405a35aed8f0e7ed852fc9b3dc44d">operations_research::GScipIndicatorConstraint::variables</a></div><div class="ttdeci">std::vector&lt; SCIP_Var * &gt; variables</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00436">gscip.h:436</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_range_constraint_html_afea502b78833028b3e2b519fa038201a"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#afea502b78833028b3e2b519fa038201a">operations_research::GScipIndicatorRangeConstraint::indicator_variable</a></div><div class="ttdeci">SCIP_VAR * indicator_variable</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00082">gscip_ext.h:82</a></div></div>
<div class="ttc" id="default__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_range_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_range.html">operations_research::GScipLinearRange</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00098">gscip.h:98</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_quadratic_range_html_a7dcaa2059661c7d9900e718b734216c6"><div class="ttname"><a href="structoperations__research_1_1_g_scip_quadratic_range.html#a7dcaa2059661c7d9900e718b734216c6">operations_research::GScipQuadraticRange::quadratic_variables1</a></div><div class="ttdeci">std::vector&lt; SCIP_Var * &gt; quadratic_variables1</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00396">gscip.h:396</a></div></div>
<div class="ttc" id="classoperations__research_1_1_g_scip_html_aff2dd45c50b5ceaee4400ad00eda9d70"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html#aff2dd45c50b5ceaee4400ad00eda9d70">operations_research::GScip::ObjectiveIsMaximize</a></div><div class="ttdeci">bool ObjectiveIsMaximize()</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8cc_source.html#l00566">gscip.cc:566</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a876ba05b3ab41e7e9bf0425d47197e5f"><div class="ttname"><a href="namespaceoperations__research.html#a876ba05b3ab41e7e9bf0425d47197e5f">operations_research::GScipCreateAbs</a></div><div class="ttdeci">absl::Status GScipCreateAbs(GScip *gscip, SCIP_Var *x, SCIP_Var *abs_x, const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00069">gscip_ext.cc:69</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html">operations_research::GScipIndicatorConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00431">gscip.h:431</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_expr_html_ac971d4b0d25c1dfa4e082d457f8d903b"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_expr.html#ac971d4b0d25c1dfa4e082d457f8d903b">operations_research::GScipLinearExpr::GScipLinearExpr</a></div><div class="ttdeci">GScipLinearExpr()=default</div></div>
<div class="ttc" id="namespaceoperations__research_1_1math__opt_html_ad9f50c9313b35cc1e8887057dc4d9645"><div class="ttname"><a href="namespaceoperations__research_1_1math__opt.html#ad9f50c9313b35cc1e8887057dc4d9645">operations_research::math_opt::kInf</a></div><div class="ttdeci">constexpr double kInf</div><div class="ttdef"><b>Definition:</b> <a href="ids__validator_8cc_source.html#l00035">ids_validator.cc:35</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html_ab1734711414da2e668957d24a41b1ddf"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html#ab1734711414da2e668957d24a41b1ddf">operations_research::GScipIndicatorConstraint::coefficients</a></div><div class="ttdeci">std::vector&lt; double &gt; coefficients</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00438">gscip.h:438</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html_a70c2b6b65c1a890cb66da7e0dbdee607"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html#a70c2b6b65c1a890cb66da7e0dbdee607">operations_research::GScipIndicatorConstraint::negate_indicator</a></div><div class="ttdeci">bool negate_indicator</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00434">gscip.h:434</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_expr_html_a05b489331642a7784a45dcd6710ce4bd"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_expr.html#a05b489331642a7784a45dcd6710ce4bd">operations_research::GScipLinearExpr::terms</a></div><div class="ttdeci">absl::flat_hash_map&lt; SCIP_VAR *, double &gt; terms</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00047">gscip_ext.h:47</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a2f87c40d4bdf2c5a4a38f4b949d21f06"><div class="ttname"><a href="namespaceoperations__research.html#a2f87c40d4bdf2c5a4a38f4b949d21f06">operations_research::GScipDifference</a></div><div class="ttdeci">GScipLinearExpr GScipDifference(GScipLinearExpr left, const GScipLinearExpr &amp;right)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00037">gscip_ext.cc:37</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_range_html_ab1734711414da2e668957d24a41b1ddf"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_range.html#ab1734711414da2e668957d24a41b1ddf">operations_research::GScipLinearRange::coefficients</a></div><div class="ttdeci">std::vector&lt; double &gt; coefficients</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00101">gscip.h:101</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_abb287f3f4d1bce6b4ec847c62a08a8ee"><div class="ttname"><a href="namespaceoperations__research.html#abb287f3f4d1bce6b4ec847c62a08a8ee">operations_research::GScipCreateMinimum</a></div><div class="ttdeci">absl::Status GScipCreateMinimum(GScip *gscip, const GScipLinearExpr &amp;resultant, const std::vector&lt; GScipLinearExpr &gt; &amp;terms, const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00132">gscip_ext.cc:132</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html_afea502b78833028b3e2b519fa038201a"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html#afea502b78833028b3e2b519fa038201a">operations_research::GScipIndicatorConstraint::indicator_variable</a></div><div class="ttdeci">SCIP_VAR * indicator_variable</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00433">gscip.h:433</a></div></div>
<div class="ttc" id="classoperations__research_1_1_g_scip_html_ae429c1ac9342e0f0185169be5d34a021"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html#ae429c1ac9342e0f0185169be5d34a021">operations_research::GScip::AddQuadraticConstraint</a></div><div class="ttdeci">absl::StatusOr&lt; SCIP_CONS * &gt; AddQuadraticConstraint(const GScipQuadraticRange &amp;range, const std::string &amp;name=&quot;&quot;, const GScipConstraintOptions &amp;options=DefaultGScipConstraintOptions())</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8cc_source.html#l00360">gscip.cc:360</a></div></div>
<div class="ttc" id="base_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00702">base/logging.h:702</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8"><div class="ttname"><a href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9a0445605283282f17470ec2fa998a78c8">operations_research::GScipVarType::kContinuous</a></div></div>
<div class="ttc" id="base_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a297998830d7b9c480a499be99a90c7c0"><div class="ttname"><a href="namespaceoperations__research.html#a297998830d7b9c480a499be99a90c7c0">operations_research::GScipLe</a></div><div class="ttdeci">GScipLinearRange GScipLe(const GScipLinearExpr left, const GScipLinearExpr &amp;right)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00056">gscip_ext.cc:56</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_expr_html_a129303e4bd38a8cdba722b6238ed56e9"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_expr.html#a129303e4bd38a8cdba722b6238ed56e9">operations_research::GScipLinearExpr::offset</a></div><div class="ttdeci">double offset</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00048">gscip_ext.h:48</a></div></div>
<div class="ttc" id="gscip__ext_8h_html"><div class="ttname"><a href="gscip__ext_8h.html">gscip_ext.h</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a986eab45ec513f2034562cae6e02b4c6"><div class="ttname"><a href="namespaceoperations__research.html#a986eab45ec513f2034562cae6e02b4c6">operations_research::GScipAddQuadraticObjectiveTerm</a></div><div class="ttdeci">absl::Status GScipAddQuadraticObjectiveTerm(GScip *gscip, std::vector&lt; SCIP_Var * &gt; quadratic_variables1, std::vector&lt; SCIP_Var * &gt; quadratic_variables2, std::vector&lt; double &gt; quadratic_coefficients, const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00143">gscip_ext.cc:143</a></div></div>
<div class="ttc" id="status__macros_8h_html"><div class="ttname"><a href="status__macros_8h.html">status_macros.h</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_constraint_html_a1ba5ca0f61f2fa13bd23bf0f89004f35"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_constraint.html#a1ba5ca0f61f2fa13bd23bf0f89004f35">operations_research::GScipIndicatorConstraint::upper_bound</a></div><div class="ttdeci">double upper_bound</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00440">gscip.h:440</a></div></div>
<div class="ttc" id="classoperations__research_1_1_g_scip_html_a2b576f762517cd3e18d24d02435eb3f6"><div class="ttname"><a href="classoperations__research_1_1_g_scip.html#a2b576f762517cd3e18d24d02435eb3f6">operations_research::GScip::AddLinearConstraint</a></div><div class="ttdeci">absl::StatusOr&lt; SCIP_CONS * &gt; AddLinearConstraint(const GScipLinearRange &amp;range, const std::string &amp;name=&quot;&quot;, const GScipConstraintOptions &amp;options=DefaultGScipConstraintOptions())</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8cc_source.html#l00334">gscip.cc:334</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_ae203d18bb597e00e945b5e16de484731"><div class="ttname"><a href="namespaceoperations__research.html#ae203d18bb597e00e945b5e16de484731">operations_research::GScipCreateIndicatorRange</a></div><div class="ttdeci">absl::Status GScipCreateIndicatorRange(GScip *gscip, const GScipIndicatorRangeConstraint &amp;indicator_range, const std::string &amp;name, const GScipConstraintOptions &amp;options)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00173">gscip_ext.cc:173</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="status__macros_8h_html_acdc223d8c59d5c591dc6b4e88257627b"><div class="ttname"><a href="status__macros_8h.html#acdc223d8c59d5c591dc6b4e88257627b">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(expr)</div><div class="ttdef"><b>Definition:</b> <a href="status__macros_8h_source.html#l00029">status_macros.h:29</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2"><div class="ttname"><a href="namespaceoperations__research.html#a806751db89938de9e63c667e24db74b9ab7400e777db61f5f726caeeab0a7dcc2">operations_research::GScipVarType::kInteger</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_range_constraint_html_a16e845732136fe1051e4bf34801b7c53"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_range_constraint.html#a16e845732136fe1051e4bf34801b7c53">operations_research::GScipIndicatorRangeConstraint::range</a></div><div class="ttdeci">GScipLinearRange range</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00084">gscip_ext.h:84</a></div></div>
<div class="ttc" id="namespaceoperations__research_html_a32116424b56445ea83eebdb47a21eb21"><div class="ttname"><a href="namespaceoperations__research.html#a32116424b56445ea83eebdb47a21eb21">operations_research::GScipCreateMaximum</a></div><div class="ttdeci">absl::Status GScipCreateMaximum(GScip *gscip, const GScipLinearExpr &amp;resultant, const std::vector&lt; GScipLinearExpr &gt; &amp;terms, const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8cc_source.html#l00076">gscip_ext.cc:76</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_linear_range_html_a623b8d74e724b276e4bac87e61445c7f"><div class="ttname"><a href="structoperations__research_1_1_g_scip_linear_range.html#a623b8d74e724b276e4bac87e61445c7f">operations_research::GScipLinearRange::variables</a></div><div class="ttdeci">std::vector&lt; SCIP_VAR * &gt; variables</div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00100">gscip.h:100</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_indicator_range_constraint_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_indicator_range_constraint.html">operations_research::GScipIndicatorRangeConstraint</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip__ext_8h_source.html#l00081">gscip_ext.h:81</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_quadratic_range_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_quadratic_range.html">operations_research::GScipQuadraticRange</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00377">gscip.h:377</a></div></div>
<div class="ttc" id="structoperations__research_1_1_g_scip_constraint_options_html"><div class="ttname"><a href="structoperations__research_1_1_g_scip_constraint_options.html">operations_research::GScipConstraintOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="gscip_8h_source.html#l00492">gscip.h:492</a></div></div>
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