public BigInteger CalculateAsync(int pNumber, CancellationToken CT)
{
if (pNumber < 0)
{
throw new ArgumentOutOfRangeException();
}
Initializing?.Invoke(this, new EventArgs());
Stopwatch myWatch = new Stopwatch();
myWatch.Start();
// exemple while
BigInteger result = 1;
/*{
* int decrement = pNumber;
* while (decrement > 1)
* {
* result = result * decrement;
* //pNumber = pNumber - 1; // solution étendue
* decrement -= 1; // solution abrégée
* //pNumber--; // solution courte postfixée
* //--pNumber; // solution courte prefixée
* }
* }*/
//exemple for
result = 1;
for (int decrement = pNumber;
decrement > 1;
decrement--)
{
if (CT.IsCancellationRequested)
{
myWatch.Stop();
if (Cancelled != null)
{
CancelledEventArgs CEA = new CancelledEventArgs(pNumber, myWatch.Elapsed);
Cancelled(this, CEA);
}
return(-1);
}
if (Progressing != null)
{
ProgressingEventArgs PEA = new ProgressingEventArgs(pNumber, pNumber - decrement + 1);
OnProgressing(PEA);
}
Thread.Sleep(50);
result = result * decrement;
}
myWatch.Stop();
if (Completed != null)
{
CompletedEventArgs CEA = new CompletedEventArgs(pNumber, result, myWatch.Elapsed);
OnCompleted(CEA);
}
return(result);
}
public BigInteger CalculateAsync(int pNumber)
{
if (pNumber < 0)
{
throw new ArgumentOutOfRangeException();
}
Initializing?.Invoke(this, new EventArgs());
Stopwatch myWatch = new Stopwatch();
myWatch.Start();
// exemple while
BigInteger result = 1;
//exemple for
result = 1;
for (int decrement = pNumber;
decrement > 1;
decrement--)
{
if (Progressing != null)
{
ProgressingEventArgs PEA = new ProgressingEventArgs(pNumber, pNumber - decrement + 1);
OnProgressing(PEA);
}
Thread.Sleep(50);
result = result * decrement;
}
myWatch.Stop();
if (Completed != null)
{
CompletedEventArgs CEA = new CompletedEventArgs(pNumber, result, myWatch.Elapsed);
OnCompleted(CEA);
}
return(result);
}
protected virtual void OnProgressing(ProgressingEventArgs PEA)
{
Progressing(this, PEA);
}
