/**
 * Created with IntelliJ IDEA.
 * User: Oliver Plohmann
 * Date: 25.08.12
 * Time: 15:31
 * To change this template use File | Settings | File Templates.
 */

open class Fib() {

    class object
    {
        fun fibStaticIf(n: Int): Int {
            if(n >= 2)
                return fibStaticIf(n - 1) + fibStaticIf(n - 2)
            else
                return 1
        }

        fun fibStaticTernaryIf(n: Int): Int {
            return if(n >= 2)
                fibStaticTernaryIf(n - 1) + fibStaticTernaryIf(n - 2)
            else
                1
        }
    }

    fun fibIf(n: Int): Int {
        if (n >= 2)
            return fibIf(n - 1) + fibIf(n - 2)
        else
            return 1
    }

    fun fibTernaryIf(n: Int): Int {
        return if (n >= 2)
            fibTernaryIf(n - 1) + fibTernaryIf(n - 2)
        else
            1
    }
}


fun main(args : Array<String>)
{
    var warmup = true
    var warmUpIters = 50

    if (warmup) {
        for (i in 1 .. warmUpIters) {
            Fib.fibStaticTernaryIf(40)
            print(".")
        }
    }

    var start = System.currentTimeMillis();
    Fib.fibStaticTernaryIf(40);
    System.out.println("Kotlin(static ternary): " + (System.currentTimeMillis() - start) + "ms")

    if (warmup) {
        for ( i in 1 .. warmUpIters) {
            Fib.fibStaticIf(40)
            print(".")
        }
    }

    start = System.currentTimeMillis()
    Fib.fibStaticIf(40)
    System.out.println("Kotlin(static if): " + (System.currentTimeMillis() - start) + "ms")

    var fib = Fib()

    if (warmup) {
        for ( i in 1 .. warmUpIters) {
            fib.fibTernaryIf(40);
            print(".")
        }
    }

    start = System.currentTimeMillis();
    fib.fibTernaryIf(40);
    System.out.println("Kotlin(instance ternary): " + (System.currentTimeMillis() - start) + "ms");

    if (warmup) {
        for ( i in 1 .. warmUpIters) {
            fib.fibIf(40);
            print(".")
        }
    }

    start = System.currentTimeMillis();
    fib.fibIf(40);
    System.out.println("Kotlin(instance if): " + (System.currentTimeMillis() - start) + "ms");
}