Function SCIProwExactGetSolActivity 

pub unsafe extern "C" fn SCIProwExactGetSolActivity(
    rowexact: *mut SCIP_ROWEXACT,
    set: *mut SCIP_SET,
    stat: *mut SCIP_STAT,
    sol: *mut SCIP_SOL,
    useexact: c_uint,
    result: *mut SCIP_RATIONAL,
) -> SCIP_RETCODE

returns the activity of a row for a given solution