I have no gut feelings about implementation strategies :)
On Sunday, August 12, 2012, dspiteself wrote:
> Just to get your gut feeling, do you think
> the implementation would involve bittwittling with the native number, using
> strings or using byte arrays?
>
> On Saturday, August 11, 2012 1:47:06 PM UTC-5, David Nolen wrote:
>>
>> On Sun, Aug 5, 2012 at 10:43 PM, Olaf Delgado-Friedrichs
>> <olaf.d...@googlemail.com> wrote:
>> > Thanks for the link! I didn't know that the Closure library contained
>> an
>> > arbitrary precision type, but should have expected it.
>> >
>> > When you speak of performance, do you mean the extra cost of checking
>> > argument types for the arithmetic operators? I wonder if this could be
>> > addressed by introducing alternate operators +', -' and *' as in
>> Clojure,
>> > make these support the additional numeric types and leave the existing
>> > operators alone. This is certainly something that makes sense for me to
>> do
>> > in a library.
>> >
>> > In order to support the BigInt and Ratio literals, would I have to
>> modify
>> > the ClojureScript sources, or is it possible to extend emit-constant in
>> > "user space"?
>> >
>> > Olaf
>>
>> Sorry, forgot to follow up this. I haven't put any deep thought into
>> it so I can offer no implementation guidance. I think it will be
>> pretty challenging to get full Clojure JVM numeric semantics into
>> ClojureScript w/o impacting performance.
>>
>> It can probably be done but requires both a comprehensive design and
>> good implementation strategy. If someone wants to take it on ...
>> great!
>>
>> David
>>
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