Hi Chanaka,

On Fri, Jul 22, 2016 at 12:47 PM, Chanaka Fernando <[email protected]>
wrote:

> Hi Chathurika,
>
> We understand your point. But this is not a functional blocker. We will
> reduce the priority of this issue and as NuwanP mentioned in the ticket,
> this needs to be fixed from the JS engine level. If we are going to deal
> with that, it will reduce the performance of the entire data mapper and we
> cannot go down this path.
>
> @NuwanP: Please report a JIRA against the JS engine and reduce the
> priority of this issue and keep it opened.
>
Sure. I will do.

>
> Thanks,
> Chanaka
>
> On Fri, Jul 22, 2016 at 12:39 PM, Chathurika De Silva <
> [email protected]> wrote:
>
>> Hi
>>
>> Currently in data mapper, the multiplication of -2 * 0 results in -0.
>> Ideally in basic mathematics the value zero should not have any - or +
>> marking on it. I have reported [1] regarding this and according to jira's
>> comments if this is to be fixed the -0 should be converted to string and
>> then again to a number and it is shown as a concern there that this will
>> have a performance impact due to unnecessary operations.
>>
>> Signed zero itself is used for some mathematical operations[2]  but
>> seemingly there is no such operation that uses signed zero available in
>> data mapper currently. So rather than shipping signed zero, can we ship it
>> to adhere the basic mathematics (if there's no hidden usage of signed -0
>> that is) because first impression matters and first impression depends on
>> minor things like these as well.
>>
>> [1] https://wso2.org/jira/browse/DEVTOOLESB-627
>> [2] https://en.wikipedia.org/wiki/Signed_zero
>>
>> Best Regards
>> Erandi
>> --
>> *Chathurika Erandi*
>> Senior Software Engineer,
>> WSO2 Inc.
>>
>> *E-mail:* [email protected]
>> *Mobile: *+94714 328 612
>> *Blog*: chathurikaerandi.blogspot.com
>>
>
>
>
> --
> Thank you and Best Regards,
> Chanaka Fernando
> Senior Technical Lead
> m: +94 773337238
> https://wso2.com <https://wso2.com/signature>
>
>
>
>
>
>
>
Thanks,
Nuwan

-- 
----------------------------------------------------------

*Nuwan Chamara Pallewela*


*Software Engineer*

*WSO2, Inc. *http://wso2.com
*lean . enterprise . middleware*

Email   *[email protected] <[email protected]>*
Mobile  *+94719079739@*
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