Copyright  (c) Matthew Donadio 2003 

License  GPL 
Maintainer  m.p.donadio@ieee.org 
Stability  experimental 
Portability  portable 
Safe Haskell  Safe 
Language  Haskell98 
Flowgraph functions
DO NOT USE YET
Documentation
:: Num a  
=> [[a] > [a]] 

> [a]  x[n] 
> [a]  y[n] 
Cascade of functions, eg
cascade [ f1, f2, f3 ] x == (f3 . f2 . f1) x