19 lines
363 B
Racket
19 lines
363 B
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{(u:sqrt a)}
|
|
|
|
|
|
Square root. The definition of square root is extended for signals
|
|
so that sqrt(a) when a<0 returns -sqrt(-a).
|
|
|
|
|
|
@racketblock[
|
|
(let* ((a (line ar -2 2 3 remove-synth))
|
|
(b (u:sqrt a))
|
|
(f (mul-add (mce2 a b) 600 900)))
|
|
(audition
|
|
(out 0 (mul (sin-osc ar f 0) 0.1))))
|
|
]
|
|
|
|
|