RFR: 8189105: AARCH64: create intrinsic for sin and cos

Dmitrij Pochepko dmitrij.pochepko at bell-sw.com
Thu Jun 21 12:27:23 UTC 2018



On 21.06.2018 10:40, Andrew Haley wrote:
> On 06/20/2018 07:40 PM, Dmitrij Pochepko wrote:
>> Though your calculation of Taylor series coefficient is imprecise,
> That's what I meant when I said "approximately".  How much space have
> you got?  :-)
>
>> you are right in your assessment this is not Taylor series. It's a
>> polynomial coefficients derived by using Remez approximation
>> algorithm,
> Indeed.
>
>> which typically use Taylor series coefficients as initial
>> approximation.
>> I updated webrev by removing Taylor mentioning:
>> http://cr.openjdk.java.net/~dpochepk/8189105/webrev.05/
> Please go back and remove the rest of them.  With that we're good to
> go.  Thanks.
>
Yes. Forgot to update one more source. Clean version: 
http://cr.openjdk.java.net/~dpochepk/8189105/webrev.06/


Thanks,
Dmitrij


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