This class is missing documentation.
Pfhn.new(a: 0.7, b: 0.8, c: 1.0, d: 1.0, i, u: -0.1, v: 0.1, n: true)
.a = value
.b = value
.c = value
.d = value
.i = value
.n = value
.u = value
.v = value
Copy and paste the text below and save to HelpSource/Classes/Pfhn.schelp
link::Classes/Pfhn::