Function SCIPsolRound 

pub unsafe extern "C" fn SCIPsolRound(
    sol: *mut SCIP_SOL,
    set: *mut SCIP_SET,
    stat: *mut SCIP_STAT,
    prob: *mut SCIP_PROB,
    tree: *mut SCIP_TREE,
    success: *mut c_uint,
) -> SCIP_RETCODE

try to round given solution