private void Bw_DoWork(object sender, DoWorkEventArgs e)
{
Stopwatch timer = new Stopwatch();
timer.Start();
var next = NextNumber(FactorialInput);
try
{
FactorialOutput = next
.AsParallel()
.WithCancellation(CancellationToken.Token)
.Aggregate(BigInteger.One, (num1, num2) =>
{
TotalProgressValue++;
return(num1 * num2);
});
} catch (OperationCanceledException)
{
TotalProgressStatus = "Cancelled";
return;
}
FactorialOutputLength = FactorialOutput.ToString().Length;
TotalProgressStatus = "Finished";
timer.Stop();
TimeTaken = timer.ElapsedMilliseconds;
IEnumerable <BigInteger> NextNumber(BigInteger num)
{
while (!num.IsZero)
{
yield return(num--);
}
}
}
private void Copy()
{
Clipboard.SetText(FactorialOutput.ToString());
}