public static PineNA ValueWhen(PineNA condition, Pine source, uint occurrence = 0)
{
PineNA ret = new PineNA();
Queue <double> Queue = new Queue <double>();
foreach ((double?cond, double sour)tuple in ZipEnd(condition, source, (cond, sour) => (cond, sour)))
{
if (tuple.cond == null)
{
ret.Add(null);
}
else
{
Queue.Enqueue(tuple.sour);
if (occurrence == 0)
{
ret.Add(Queue.Dequeue());
}
else
{
ret.Add(null);
occurrence--;
}
}
}
return(ret);
}
public static PineNA operator /(double?number, PineNA pine)
{
PineNA ret = new PineNA();
foreach (double?num in pine)
{
ret.Add(number / num);
}
return(ret);
}
public static PineNA operator -(PineNA pine, double?number)
{
PineNA ret = new PineNA();
foreach (double?num in pine)
{
ret.Add(num - number);
}
return(ret);
}
public static PineNA ToPineNA(this IEnumerable <decimal?> source)
{
PineNA ret = new PineNA();
foreach (decimal?num in source)
{
ret.Add((double?)num);
}
return(ret);
}