Function SCIPextendIntarray 

pub unsafe extern "C" fn SCIPextendIntarray(
    scip: *mut SCIP,
    intarray: *mut SCIP_INTARRAY,
    minidx: c_int,
    maxidx: c_int,
) -> SCIP_RETCODE

extends dynamic array to be able to store indices from minidx to maxidx

@return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref SCIP_Retcode “SCIP_RETCODE” for a complete list of error codes.