import("MASS")

export(bartlett, bilinear, blackman, boxcar, butter, buttord,
       chebwin, cheb1ord, cheby1, cheby2, chirp,
       decimate, ellip, ellipord)

S3method(bilinear, default)
S3method(bilinear, Arma)
S3method(bilinear, Zpg)
S3method(butter, default)
S3method(butter, FilterOfOrder)
S3method(cheby1, default)
S3method(cheby1, FilterOfOrder)
S3method(cheby2, default)
S3method(cheby2, FilterOfOrder)
S3method(ellip, default)
S3method(ellip, FilterOfOrder)
