Function SCIPtreeRestoreRelaxSol 

pub unsafe extern "C" fn SCIPtreeRestoreRelaxSol(
    tree: *mut SCIP_TREE,
    set: *mut SCIP_SET,
    relaxation: *mut SCIP_RELAXATION,
    transprob: *mut SCIP_PROB,
) -> SCIP_RETCODE

restores relaxation solution after diving or probing