/// <summary>
/// Shift (offset) the elements in the array
/// </summary>
/// <param name="array"></param>
/// <param name="offset"></param>
static public void Shift(ComplexFloat[] array, int offset)
{
Debug.Assert(array != null);
Debug.Assert(offset >= 0);
Debug.Assert(offset < array.Length);
if (offset == 0)
{
return;
}
int length = array.Length;
ComplexFloat[] workspace = null;
ComplexArray.LockWorkspaceF(length, ref workspace);
for (int i = 0; i < length; i++)
{
workspace[(i + offset) % length] = array[i];
}
for (int i = 0; i < length; i++)
{
array[i] = workspace[i];
}
ComplexArray.UnlockWorkspaceF(ref workspace);
}
/// <summary>
/// Shift (offset) the elements in the array
/// </summary>
/// <param name="array"></param>
/// <param name="offset"></param>
public static void Shift(ComplexFloat[] array, int offset)
{
if (!(array != null))
{
throw new ArgumentNullException(nameof(array));
}
if (!(offset >= 0))
{
throw new ArgumentOutOfRangeException(nameof(offset) + " should be >= 0");
}
if (!(offset < array.Length))
{
throw new ArgumentOutOfRangeException(nameof(offset) + " should be < array.Length");
}
if (offset == 0)
{
return;
}
int length = array.Length;
ComplexFloat[] workspace = null;
ComplexArray.LockWorkspaceF(length, ref workspace);
for (int i = 0; i < length; i++)
{
workspace[(i + offset) % length] = array[i];
}
for (int i = 0; i < length; i++)
{
array[i] = workspace[i];
}
ComplexArray.UnlockWorkspaceF(ref workspace);
}