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<h2>Reference</h2>
<h3>C++</h3>
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<h1 style="color: #145A32;">C++ Reference: Linear solver</h1>
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<li class="navelem"><a class="el" href="namespaceoperations__research.html">operations_research</a></li><li class="navelem"><a class="el" href="classoperations__research_1_1MPVariable.html">MPVariable</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>The class for variables of a Mathematical Programming (MP) model.
<a href="classoperations__research_1_1MPVariable.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ad8227ba86a01f26e4f173cd5e219d5d1"><td class="memItemLeft" align="right" valign="top">const std::string &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a> () const</td></tr>
<tr class="memdesc:ad8227ba86a01f26e4f173cd5e219d5d1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the name of the variable. <a href="#ad8227ba86a01f26e4f173cd5e219d5d1">More...</a><br /></td></tr>
<tr class="separator:ad8227ba86a01f26e4f173cd5e219d5d1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a94743823a7ad3c565902fcf7956d4ae2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a94743823a7ad3c565902fcf7956d4ae2">SetInteger</a> (bool <a class="el" href="classoperations__research_1_1MPVariable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>)</td></tr>
<tr class="memdesc:a94743823a7ad3c565902fcf7956d4ae2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the integrality requirement of the variable. <a href="#a94743823a7ad3c565902fcf7956d4ae2">More...</a><br /></td></tr>
<tr class="separator:a94743823a7ad3c565902fcf7956d4ae2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abc6bcaac179c603ad3386fa7449c86a7"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a> () const</td></tr>
<tr class="memdesc:abc6bcaac179c603ad3386fa7449c86a7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the integrality requirement of the variable. <a href="#abc6bcaac179c603ad3386fa7449c86a7">More...</a><br /></td></tr>
<tr class="separator:abc6bcaac179c603ad3386fa7449c86a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf1a0cc6a3736f3db9880392efe02f0e"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#adf1a0cc6a3736f3db9880392efe02f0e">solution_value</a> () const</td></tr>
<tr class="memdesc:adf1a0cc6a3736f3db9880392efe02f0e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the value of the variable in the current solution. <a href="#adf1a0cc6a3736f3db9880392efe02f0e">More...</a><br /></td></tr>
<tr class="separator:adf1a0cc6a3736f3db9880392efe02f0e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acca41811e8aaab0112b987749c0ecb93"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#acca41811e8aaab0112b987749c0ecb93">index</a> () const</td></tr>
<tr class="memdesc:acca41811e8aaab0112b987749c0ecb93"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the index of the variable in the MPSolver::variables_. <a href="#acca41811e8aaab0112b987749c0ecb93">More...</a><br /></td></tr>
<tr class="separator:acca41811e8aaab0112b987749c0ecb93"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:accc4f1882f13ad57ef6bbe8fbe5d365d"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a> () const</td></tr>
<tr class="memdesc:accc4f1882f13ad57ef6bbe8fbe5d365d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the lower bound. <a href="#accc4f1882f13ad57ef6bbe8fbe5d365d">More...</a><br /></td></tr>
<tr class="separator:accc4f1882f13ad57ef6bbe8fbe5d365d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a570e7e2c973cc96bedb0db08f5e062e3"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a> () const</td></tr>
<tr class="memdesc:a570e7e2c973cc96bedb0db08f5e062e3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the upper bound. <a href="#a570e7e2c973cc96bedb0db08f5e062e3">More...</a><br /></td></tr>
<tr class="separator:a570e7e2c973cc96bedb0db08f5e062e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad90797a6c268fa29b515bdb5972c7bfb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ad90797a6c268fa29b515bdb5972c7bfb">SetLB</a> (double <a class="el" href="classoperations__research_1_1MPVariable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>)</td></tr>
<tr class="memdesc:ad90797a6c268fa29b515bdb5972c7bfb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the lower bound. <a href="#ad90797a6c268fa29b515bdb5972c7bfb">More...</a><br /></td></tr>
<tr class="separator:ad90797a6c268fa29b515bdb5972c7bfb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4584733ca3a135bb0e29e7b29988901d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a4584733ca3a135bb0e29e7b29988901d">SetUB</a> (double <a class="el" href="classoperations__research_1_1MPVariable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>)</td></tr>
<tr class="memdesc:a4584733ca3a135bb0e29e7b29988901d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the upper bound. <a href="#a4584733ca3a135bb0e29e7b29988901d">More...</a><br /></td></tr>
<tr class="separator:a4584733ca3a135bb0e29e7b29988901d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a02bfb5cd5deeb2d5149f6976ee0456d6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a02bfb5cd5deeb2d5149f6976ee0456d6">SetBounds</a> (double <a class="el" href="classoperations__research_1_1MPVariable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, double <a class="el" href="classoperations__research_1_1MPVariable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>)</td></tr>
<tr class="memdesc:a02bfb5cd5deeb2d5149f6976ee0456d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets both the lower and upper bounds. <a href="#a02bfb5cd5deeb2d5149f6976ee0456d6">More...</a><br /></td></tr>
<tr class="separator:a02bfb5cd5deeb2d5149f6976ee0456d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a087c614accae43de9e770a7731d09892"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a087c614accae43de9e770a7731d09892">unrounded_solution_value</a> () const</td></tr>
<tr class="memdesc:a087c614accae43de9e770a7731d09892"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advanced usage: unrounded solution value. <a href="#a087c614accae43de9e770a7731d09892">More...</a><br /></td></tr>
<tr class="separator:a087c614accae43de9e770a7731d09892"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7a302239fbb1f938a513636a6c7a3e2d"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a7a302239fbb1f938a513636a6c7a3e2d">reduced_cost</a> () const</td></tr>
<tr class="memdesc:a7a302239fbb1f938a513636a6c7a3e2d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advanced usage: returns the reduced cost of the variable in the current solution (only available for continuous problems). <a href="#a7a302239fbb1f938a513636a6c7a3e2d">More...</a><br /></td></tr>
<tr class="separator:a7a302239fbb1f938a513636a6c7a3e2d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aecd5fee61b6013b1207c2ea622c849b5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classoperations__research_1_1MPSolver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#aecd5fee61b6013b1207c2ea622c849b5">basis_status</a> () const</td></tr>
<tr class="memdesc:aecd5fee61b6013b1207c2ea622c849b5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advanced usage: returns the basis status of the variable in the current solution (only available for continuous problems). <a href="#aecd5fee61b6013b1207c2ea622c849b5">More...</a><br /></td></tr>
<tr class="separator:aecd5fee61b6013b1207c2ea622c849b5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2bf24627eb5f1b609cd2704bddc3750d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a2bf24627eb5f1b609cd2704bddc3750d">branching_priority</a> () const</td></tr>
<tr class="memdesc:a2bf24627eb5f1b609cd2704bddc3750d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advanced usage: Certain MIP solvers (e.g. <a href="#a2bf24627eb5f1b609cd2704bddc3750d">More...</a><br /></td></tr>
<tr class="separator:a2bf24627eb5f1b609cd2704bddc3750d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3c4f59b6127589d61780ecaa2acdab76"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a3c4f59b6127589d61780ecaa2acdab76">SetBranchingPriority</a> (int priority)</td></tr>
<tr class="separator:a3c4f59b6127589d61780ecaa2acdab76"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a9d8831eb4c3951cb8f39aa9deb7568bd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a9d8831eb4c3951cb8f39aa9deb7568bd">MPVariable</a> (int <a class="el" href="classoperations__research_1_1MPVariable.html#acca41811e8aaab0112b987749c0ecb93">index</a>, double <a class="el" href="classoperations__research_1_1MPVariable.html#accc4f1882f13ad57ef6bbe8fbe5d365d">lb</a>, double <a class="el" href="classoperations__research_1_1MPVariable.html#a570e7e2c973cc96bedb0db08f5e062e3">ub</a>, bool <a class="el" href="classoperations__research_1_1MPVariable.html#abc6bcaac179c603ad3386fa7449c86a7">integer</a>, const std::string &amp;<a class="el" href="classoperations__research_1_1MPVariable.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>, <a class="el" href="classoperations__research_1_1MPSolverInterface.html">MPSolverInterface</a> *const interface_in)</td></tr>
<tr class="separator:a9d8831eb4c3951cb8f39aa9deb7568bd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3977d5bfced39e6ccd075056317bbb3a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a3977d5bfced39e6ccd075056317bbb3a">set_solution_value</a> (double value)</td></tr>
<tr class="separator:a3977d5bfced39e6ccd075056317bbb3a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab88dd6ee21935e6f7ce99012f9c467a4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ab88dd6ee21935e6f7ce99012f9c467a4">set_reduced_cost</a> (double <a class="el" href="classoperations__research_1_1MPVariable.html#a7a302239fbb1f938a513636a6c7a3e2d">reduced_cost</a>)</td></tr>
<tr class="separator:ab88dd6ee21935e6f7ce99012f9c467a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:ac2c01b4de8f7670e37daa7d42b804dd4"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ac2c01b4de8f7670e37daa7d42b804dd4">MPSolver</a></td></tr>
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<tr class="memitem:ac0aea0786e75adbb2d24c41c15e7456c"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ac0aea0786e75adbb2d24c41c15e7456c">MPSolverInterface</a></td></tr>
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<tr class="memitem:af5a7cf0c655f37c0b388a2ddcf32ac3e"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#af5a7cf0c655f37c0b388a2ddcf32ac3e">CBCInterface</a></td></tr>
<tr class="separator:af5a7cf0c655f37c0b388a2ddcf32ac3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a60944ecdcad88cfb4d4d32feea70c9b5"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a60944ecdcad88cfb4d4d32feea70c9b5">CLPInterface</a></td></tr>
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<tr class="memitem:ae1a3e0a695903c8e6effd524a7f92784"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#ae1a3e0a695903c8e6effd524a7f92784">GLPKInterface</a></td></tr>
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<tr class="memitem:a236f9752f4df4c5134617330a040ec8a"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a236f9752f4df4c5134617330a040ec8a">SCIPInterface</a></td></tr>
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<tr class="memitem:a5c083b37243075a00bf909840dc7c933"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classoperations__research_1_1MPVariable.html#a5c083b37243075a00bf909840dc7c933">SLMInterface</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The class for variables of a Mathematical Programming (MP) model. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01000">1000</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9d8831eb4c3951cb8f39aa9deb7568bd">&#9670;&nbsp;</a></span>MPVariable()</h2>
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<td class="memname"><a class="el" href="classoperations__research_1_1MPVariable.html">MPVariable</a> </td>
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<td class="paramtype">int&#160;</td>
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<td class="paramtype"><a class="el" href="classoperations__research_1_1MPSolverInterface.html">MPSolverInterface</a> *const&#160;</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01093">1093</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aecd5fee61b6013b1207c2ea622c849b5">&#9670;&nbsp;</a></span>basis_status()</h2>
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<td class="memname"><a class="el" href="classoperations__research_1_1MPSolver.html#afd922eb2bef96597c426557a8056f76d">MPSolver::BasisStatus</a> basis_status </td>
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<p>Advanced usage: returns the basis status of the variable in the current solution (only available for continuous problems). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classoperations__research_1_1MPSolver.html#afd922eb2bef96597c426557a8056f76d" title="Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...">MPSolver::BasisStatus</a>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a2bf24627eb5f1b609cd2704bddc3750d">&#9670;&nbsp;</a></span>branching_priority()</h2>
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<td class="memname">int branching_priority </td>
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<p>Advanced usage: Certain MIP solvers (e.g. </p>
<p>Gurobi or SCIP) allow you to set a per-variable priority for determining which variable to branch on.</p>
<p>A value of 0 is treated as default, and is equivalent to not setting the branching priority. The solver looks first to branch on fractional variables in higher priority levels. As of 2019-05, only Gurobi and SCIP support setting branching priority; all other solvers will simply ignore this annotation. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01070">1070</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acca41811e8aaab0112b987749c0ecb93">&#9670;&nbsp;</a></span>index()</h2>
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<p>Returns the index of the variable in the MPSolver::variables_. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01021">1021</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#abc6bcaac179c603ad3386fa7449c86a7">&#9670;&nbsp;</a></span>integer()</h2>
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<p>Returns the integrality requirement of the variable. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01009">1009</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#accc4f1882f13ad57ef6bbe8fbe5d365d">&#9670;&nbsp;</a></span>lb()</h2>
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<p>Returns the lower bound. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01024">1024</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad8227ba86a01f26e4f173cd5e219d5d1">&#9670;&nbsp;</a></span>name()</h2>
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<p>Returns the name of the variable. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01003">1003</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a302239fbb1f938a513636a6c7a3e2d">&#9670;&nbsp;</a></span>reduced_cost()</h2>
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<p>Advanced usage: returns the reduced cost of the variable in the current solution (only available for continuous problems). </p>
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<td class="memname">void set_reduced_cost </td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01105">1105</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3977d5bfced39e6ccd075056317bbb3a">&#9670;&nbsp;</a></span>set_solution_value()</h2>
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<td class="memname">void set_solution_value </td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01104">1104</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a02bfb5cd5deeb2d5149f6976ee0456d6">&#9670;&nbsp;</a></span>SetBounds()</h2>
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<td class="memname">void SetBounds </td>
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<p>Sets both the lower and upper bounds. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3c4f59b6127589d61780ecaa2acdab76">&#9670;&nbsp;</a></span>SetBranchingPriority()</h2>
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<td class="memname">void SetBranchingPriority </td>
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<p>Sets the integrality requirement of the variable. </p>
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<p>Sets the lower bound. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01030">1030</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<p>Sets the upper bound. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01033">1033</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adf1a0cc6a3736f3db9880392efe02f0e">&#9670;&nbsp;</a></span>solution_value()</h2>
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<p>Returns the value of the variable in the current solution. </p>
<p>If the variable is integer, then the value will always be an integer (the underlying solver handles floating-point values only, but this function automatically rounds it to the nearest integer; see: man 3 round). </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a570e7e2c973cc96bedb0db08f5e062e3">&#9670;&nbsp;</a></span>ub()</h2>
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<p>Returns the upper bound. </p>
<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01027">1027</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a087c614accae43de9e770a7731d09892">&#9670;&nbsp;</a></span>unrounded_solution_value()</h2>
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<p>Advanced usage: unrounded solution value. </p>
<p>The returned value won't be rounded to the nearest integer even if the variable is integer. </p>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a7383308e6b9b63b18196798db342ce8a">&#9670;&nbsp;</a></span>BopInterface</h2>
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<td class="memname">friend class BopInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01086">1086</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af5a7cf0c655f37c0b388a2ddcf32ac3e">&#9670;&nbsp;</a></span>CBCInterface</h2>
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<td class="memname">friend class CBCInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01076">1076</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a60944ecdcad88cfb4d4d32feea70c9b5">&#9670;&nbsp;</a></span>CLPInterface</h2>
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<td class="memname">friend class CLPInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01077">1077</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae7cbd08108e1636184f28c1a71c42393">&#9670;&nbsp;</a></span>CplexInterface</h2>
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<td class="memname">friend class CplexInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01082">1082</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c754b527a347994b06eeb49a09ac222">&#9670;&nbsp;</a></span>GLOPInterface</h2>
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<td class="memname">friend class GLOPInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01084">1084</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae1a3e0a695903c8e6effd524a7f92784">&#9670;&nbsp;</a></span>GLPKInterface</h2>
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<td class="memname">friend class GLPKInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01078">1078</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac28a56eeedb62d070578a9231f1875ea">&#9670;&nbsp;</a></span>GurobiInterface</h2>
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<td class="memname">friend class GurobiInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01081">1081</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aee1ddf25e86286c16face31551751bda">&#9670;&nbsp;</a></span>KnapsackInterface</h2>
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<td class="memname">friend class KnapsackInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01088">1088</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2c01b4de8f7670e37daa7d42b804dd4">&#9670;&nbsp;</a></span>MPSolver</h2>
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<td class="memname">friend class <a class="el" href="classoperations__research_1_1MPSolver.html">MPSolver</a></td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01074">1074</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac0aea0786e75adbb2d24c41c15e7456c">&#9670;&nbsp;</a></span>MPSolverInterface</h2>
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<td class="memname">friend class <a class="el" href="classoperations__research_1_1MPSolverInterface.html">MPSolverInterface</a></td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01075">1075</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8844020cc1376123531cd53c831acdef">&#9670;&nbsp;</a></span>MPVariableSolutionValueTest</h2>
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<td class="memname">friend class MPVariableSolutionValueTest</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01085">1085</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acbd4413b1370baca9c45aecb0cb8ebd2">&#9670;&nbsp;</a></span>SatInterface</h2>
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<td class="memname">friend class SatInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01087">1087</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a236f9752f4df4c5134617330a040ec8a">&#9670;&nbsp;</a></span>SCIPInterface</h2>
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<td class="memname">friend class SCIPInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01079">1079</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5c083b37243075a00bf909840dc7c933">&#9670;&nbsp;</a></span>SLMInterface</h2>
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<td class="memname">friend class SLMInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01080">1080</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#abc935c6e0cb353e2c61d38ad8af1ed5c">&#9670;&nbsp;</a></span>XpressInterface</h2>
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<td class="memname">friend class XpressInterface</td>
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<p class="definition">Definition at line <a class="el" href="linear__solver_8h_source.html#l01083">1083</a> of file <a class="el" href="linear__solver_8h_source.html">linear_solver.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="linear__solver_8h_source.html">linear_solver.h</a></li>
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