blob: 0a86a35637b66a31e154e1677225e786e1c4c29a (
plain) (
tree)
|
|
/* The Computer Language Shootout
http://shootout.alioth.debian.org/
contributed by Isaac Gouy (Scala novice)
*/
object random {
def main(args: Array[String]) = {
var n = toPositiveInt(args);
var result: Double = 0
while (n>0) { result=generate(100.0); n=n-1; }
Console.printf("{0,number,#.000000000}\n", result)
}
private val IM = 139968;
private val IA = 3877;
private val IC = 29573;
private var seed = 42;
def generate(max: Double) = {
seed = (seed * IA + IC) % IM;
max * seed / IM;
}
private def toPositiveInt(s: Array[String]) = {
val i =
try { Integer.parseInt(s(0)); }
catch { case _ => 1 }
if (i>0) i; else 1;
}
}
|