Function SCIPgetVarFarkasCoef

pub unsafe extern "C" fn SCIPgetVarFarkasCoef(
    scip: *mut SCIP,
    var: *mut SCIP_VAR,
) -> f64

Expand description

returns the Farkas coefficient of the variable in the current node’s LP relaxation; the current node has to have an infeasible LP.

returns SCIP_INVALID if the variable is active but not in the current LP; returns 0 if the variable has been aggregated out or fixed in presolving.

@pre This method can only be called if @p scip is in stage \ref SCIP_STAGE_SOLVING

SCIPgetVarFarkasCoef