Function SCIPaddNlRow 

pub unsafe extern "C" fn SCIPaddNlRow(
    scip: *mut SCIP,
    nlrow: *mut SCIP_NLROW,
) -> SCIP_RETCODE

adds a nonlinear row to the NLP. This row is captured by the NLP.

@pre This method can be called if SCIP is in one of the following stages: - \ref SCIP_STAGE_INITSOLVE - \ref SCIP_STAGE_SOLVING