public static T GetRandom <T>(this IEnumerable <T> items)
{
int count = items.Count() - 1; // for 0 index start
int element = Sampling.GetUniform(count);
return(items.ElementAt(element));
}
public T Sample()
{
if (!_normalized)
{
Normalize();
_normalized = true;
}
var sample = Sampling.GetUniform();
double last = 0;
foreach (T t in _densities.Keys)
{
if (sample > last && sample <= _densities[t])
{
return(t);
}
last = _densities[t];
}
throw new IndexOutOfRangeException("There was a problem");
}