public static List <int> SortByValue(FloatArray arr)
{
List <Tuple <float, int> > tuples = new List <Tuple <float, int> >();
for (int i = 0; i < arr.Size(); ++i)
{
tuples.Add(new Tuple <float, int>(arr.At(i), i));
}
tuples.Sort();
return(tuples.Select(x => x.Item2).Reverse().ToList());
}
