NDF_MBAD( BADOK, INDF1, INDF2, COMP, CHECK, BAD, STATUS )
-- Merge the bad-pixel flags of the array components of a pair of NDFs
NDF_MBADN( BADOK, N, NDFS, COMP, CHECK, BAD, STATUS )
-- Merge the bad-pixel flags of the array components of a number of NDFs
NDF_MBND( OPTION, INDF1, INDF2, STATUS )
-- Match the pixel-index bounds of a pair of NDFs
NDF_MBNDN( OPTION, N, NDFS, STATUS )
-- Match the pixel-index bounds of a number of NDFs
NDF_MTYPE( TYPLST, INDF1, INDF2, COMP, ITYPE, DTYPE, STATUS )
-- Match the types of the array components of a pair of NDFs
NDF_MTYPN( TYPLST, N, NDFS, COMP, ITYPE, DTYPE, STATUS )
-- Match the types of the array components of a number of NDFs