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Date: Tue, 2 Sep 2008 05:23:16 +0200
From: "circ ular" <circularfunc@gmail.com>
To: caml-list@inria.fr
Subject: is there a switch or cond-statement? + type-problem
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X-Spam: no; 0.00; def:01 1.0:98 rec:01 int:01 cond:02 expression:02 float:03 float:03 let:03 pow:10 pow:10 circ:13 case:13 type:14 type:14 

how can I do like this or use cond or case?
def power(nbr, po):
    if po > 0:
        return nbr * power(nbr, po-1)
    if po < 0:
        return 1 / power(nbr, -1 * po)
    if po == 0:
        return 1

and ofc make it tailrecursive but that I know how.


also, how do I get it to be a float-function?

let rec powerx(n, pow, acc) =
    if pow > 0.0
	then powerx(n, pow -. 1, acc *. n)
	else if pow < 0.0
	    then 1.0 /. powerx(n, pow *. (-1), acc)
	    else acc ;;


Characters 70-71:
  	then powerx(n, pow -. 1, acc *. n)
                         ^
This expression has type int but is here used with type float
#


but it is used with float evrywhere no?