C++ Reference: class ScipConstraintHandlerContext

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Method
CurrentNodeId

Return type: int64_t

is_pseudo_solution

Return type: bool

Pseudo solutions may not be LP feasible. Duals/reduced costs are not available (the LP solver failed at this node). Do not add "user cuts" here (that strengthen LP solution but don't change feasible region), add only "lazy constraints" (cut off integer solutions). TODO(user): maybe this can be abstracted away.

NumNodesProcessed

Return type: int64_t

scip

Return type: SCIP*

ScipConstraintHandlerContext

Arguments: SCIP* scip, SCIP_SOL* solution, bool is_pseudo_solution

A value of nullptr for solution means to use the current LP solution.

VariableValue

Return type: double

Arguments: const MPVariable* variable