public virtual void NormalizeAll(ECPoint[] points, int off, int len, ECFieldElement iso)
{
CheckPoints(points, off, len);
int coordinateSystem = CoordinateSystem;
if (coordinateSystem == 0 || coordinateSystem == 5)
{
if (iso != null)
{
throw new ArgumentException("not valid for affine coordinates", "iso");
}
return;
}
ECFieldElement[] array = new ECFieldElement[len];
int[] array2 = new int[len];
int num = 0;
for (int i = 0; i < len; i++)
{
ECPoint eCPoint = points[off + i];
if (eCPoint != null && (iso != null || !eCPoint.IsNormalized()))
{
array[num] = eCPoint.GetZCoord(0);
array2[num++] = off + i;
}
}
if (num != 0)
{
ECAlgorithms.MontgomeryTrick(array, 0, num, iso);
for (int j = 0; j < num; j++)
{
int num3 = array2[j];
points[num3] = points[num3].Normalize(array[j]);
}
}
}