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ILOG CPLEX C++ API 9.0 Reference Manual

ILOG CPLEX C++ API 9.0 Reference Manual

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IloCplex<br />

When IloCplex is not diving but picking an unexplored node from the tree, several<br />

options are available that can be controlled with the parameter<br />

IloCplex::NodeSel. Again, IloCplex offers a callback class,<br />

IloCplex::NodeCallbackI, to give the user full control over this selection. With<br />

goals, objects of type IloCplex::NodeEvaluatorI can be used to define your<br />

own selection strategy.<br />

See also IloAlgorithm in the <strong>ILOG</strong> Concert <strong>Reference</strong> <strong>Manual</strong>.<br />

See also Goals among the Concepts in this manual. See also goals in the <strong>ILOG</strong> <strong>CPLEX</strong><br />

User's <strong>Manual</strong>.<br />

See Also<br />

Constructors<br />

IloCplex::Algorithm, IloCplex::BasisStatus,<br />

IloCplex::BasisStatusArray, IloCplex::BranchDirection,<br />

IloCplex::BranchDirectionArray, IloCplex::CallbackI,<br />

IloCplex::DeleteMode, IloCplex::DualPricing,<br />

IloCplex::Exception, IloCplex::IISStatus,<br />

IloCplex::IISStatusArray, IloCplex::IntParam,<br />

IloCplex::MIPEmphasisType, IloCplex::NodeSelect,<br />

IloCplex::NumParam, IloCplex::PrimalPricing,<br />

IloCplex::Quality, IloCplex::CplexStatus,<br />

IloCplex::StringParam, IloCplex::VariableSelect,<br />

IloCplex::GoalI<br />

public IloCplex(IloEnv env)<br />

This constructor creates an <strong>ILOG</strong> <strong>CPLEX</strong> algorithm. The new IloCplex object has no<br />

IloModel loaded (or extracted) to it.<br />

public IloCplex(const IloModel model)<br />

This constructor creates an <strong>ILOG</strong> <strong>CPLEX</strong> algorithm and extracts model for that<br />

algorithm.<br />

When you create an algorithm (an instance of IloCplex, for example) and extract a<br />

model for it, you can write either this line:<br />

IloCplex cplex(model);<br />

or these two lines:<br />

IloCplex cplex(env);<br />

cplex.extract(model);<br />

Methods<br />

public IloConstraint addCut(IloConstraint con)<br />

<strong>ILOG</strong> <strong>CPLEX</strong> <strong>C++</strong> <strong>API</strong> <strong>9.0</strong> REFERENCE M ANUAL 52

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