Function SCIPaggrRowAddCustomCons 

pub unsafe extern "C" fn SCIPaggrRowAddCustomCons(
    scip: *mut SCIP,
    aggrrow: *mut SCIP_AGGRROW,
    inds: *mut c_int,
    vals: *mut f64,
    len: c_int,
    rhs: f64,
    weight: f64,
    rank: c_int,
    local: c_uint,
) -> SCIP_RETCODE

add weighted constraint to the aggregation row