RosettaCodeData/Task/Continued-fraction/PicoLisp/continued-fraction.l
2019-09-12 10:33:56 -07:00

34 lines
773 B
Text

(scl 49)
(de fsqrt2 (N A)
(default A 1)
(cond
((> A (inc N)) 2)
(T
(+
(if (=1 A) 1.0 2.0)
(*/ `(* 1.0 1.0) (fsqrt2 N (inc A))) ) ) ) )
(de pi (N A)
(default A 1)
(cond
((> A (inc N)) 6.0)
(T
(+
(if (=1 A) 3.0 6.0)
(*/
(* (** (dec (* 2 A)) 2) 1.0)
1.0
(pi N (inc A)) ) ) ) ) )
(de napier (N A)
(default A 0)
(cond
((> A N) (* A 1.0))
(T
(+
(if (=0 A) 2.0 (* A 1.0))
(*/
(if (> 1 A) 1.0 (* A 1.0))
1.0
(napier N (inc A)) ) ) ) ) )
(prinl (format (fsqrt2 200) *Scl))
(prinl (format (napier 200) *Scl))
(prinl (format (pi 200) *Scl))