export(
       sii,
       plot.SII,
       print.SII,
       summary.SII,
       calculate_loudness,
       calculate_loudness_cpp
       )

importFrom("utils", "data")
importFrom("graphics", "abline", "legend", "lines", "axis", "points", "mtext", "par", "text")
importFrom(Rcpp, sourceCpp)
useDynLib(SII, .registration=TRUE)
importFrom("stats", "approx", "predict", "approxfun", "runif", "setNames", "optim", "spline", "var")
S3method(plot, SII)
S3method(print, SII)
S3method(summary, SII)
export(open_nl)
S3method(print, prescription_target)
S3method(summary, prescription_target)
S3method(plot, prescription_target)
