/// <summary>
/// Fibonacci Search
/// </summary>
/// <param name="elem"></param>
/// <param name="lo"></param>
/// <param name="hi"></param>
/// <param name="e"></param>
/// <returns></returns>
private static int FibSearch(T[] elem, int lo, int hi, T e)
{
Fib fib = new Fib(hi - lo);
while (lo < hi)
{
while (hi - lo < fib.Get())
{
fib.Prev();
}
int mi = lo + fib.Get() - 1;
if (Lt(e, elem[mi]))
{
hi = mi;
}
else
{
if (Lt(elem[mi], e))
{
lo = mi + 1;
}
else
{
return(mi);
}
}
}
return(-1);
}
public void t()
{
var fib = new[] { 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233 };
for (int i = 0; i < fib.Length; ++i)
{
Assert.AreEqual(fib[i], Fib.Get(i));
}
}
