Function SCIPlpCleanupNew 

pub unsafe extern "C" fn SCIPlpCleanupNew(
    lp: *mut SCIP_LP,
    blkmem: *mut BMS_BLKMEM,
    set: *mut SCIP_SET,
    stat: *mut SCIP_STAT,
    eventqueue: *mut SCIP_EVENTQUEUE,
    eventfilter: *mut SCIP_EVENTFILTER,
    root: c_uint,
) -> SCIP_RETCODE

removes all non-basic columns at 0.0 and basic rows in the part of the LP created at the current node