/// <summary>
/// Sets the current algorithm for GCD calculations.
/// </summary>
/// <param name="algorithm">Type of algorithm.</param>
internal void SetAlgorithm(TypeOfAlgorithm algorithm)
{
switch (algorithm)
{
case TypeOfAlgorithm.classic:
currentAlgorithm = gcdOfTwo;
break;
case TypeOfAlgorithm.Stein:
currentAlgorithm = gcdByStein;
break;
default:
break;
}
}
private static int GetGcd(out long time, int a, int b, int c, GcdDelegate gcdFunc)
{
return gcdFunc(out time, gcdFunc(out time, a, b), c);
}
private static int GetGcd(out long time, int[] array, GcdDelegate gcdFunc)
{
var stopWatch = Stopwatch.StartNew();
int result = array[0];
for (int i = 1; i < array.Length; i++)
result = gcdFunc(out time, result, array[i]);
stopWatch.Stop();
time = stopWatch.ElapsedTicks;
return result;
}
