void ForceChunk()
{
if (_chunk != null)
{
return;
}
Object[] arr = new Object[CHUNK_SIZE];
int n = 0;
Object val = _start;
while (n < CHUNK_SIZE)
{
arr[n++] = val;
val = Numbers.addP(val, _step);
if (_boundsCheck.ExceededBounds(val))
{
//partial last chunk
_chunk = new ArrayChunk(arr, 0, n);
return;
}
}
// full last chunk
if (_boundsCheck.ExceededBounds(val))
{
_chunk = new ArrayChunk(arr, 0, CHUNK_SIZE);
return;
}
// full intermediate chunk
_chunk = new ArrayChunk(arr, 0, CHUNK_SIZE);
_chunkNext = new Range(val, _end, _step, _boundsCheck);
}
public override System.Collections.IEnumerator GetEnumerator()
{
object next = this._start;
while (!_boundsCheck.ExceededBounds(next))
{
yield return(next);
try
{
next = Numbers.Add(next, this._step);
}
catch (ArithmeticException) { yield break; }
}
}
