RFR 8005311: Add Scalable Updatable Variables, DoubleAccumulator, DoubleAdder, LongAccumulator, LongAdder

[Chris Hegarty]

On 11/01/2013 16:57, Doug Lea wrote:
> On 01/11/13 11:35, Peter Levart wrote:
>> On 01/11/2013 05:18 PM, Chris Hegarty wrote:
>>> Now with explicit disclaimer on DoubleA*
>>>
>>> "The order of accumulation within or across threads is not
>>> guaranteed. Thus,
>>> this class may not be applicable if numerical stability is required when
>>> combining values of substantially different orders of magnitude."
>>
>> It doesn't have to be substantially different order of magnitude.
>>
>
> Thanks. Chris, please add "especially":

Thanks Doug, done.

-Chris.

>
> "The order of accumulation within or across threads is not guaranteed.
> Thus, this class may not be applicable if numerical stability is
> required, especially when combining values of substantially different
> orders of magnitude."
>
>
> -Doug
>