Hi.

2020-06-07 8:21 UTC+02:00, Xeno Amess <xenoam...@gmail.com>:
> If you are telling about 144:
> yes, original codes runs like:
> f[0] = f0;
> f[1] = f1;
> f[2] = f[2-2] = f[0] = f[0]
> f[3] = f[3-2] = f[1] = f[1]
> f[4] = f[4-2] = f[2] = f[0]
> f[5] = f[5-2] = f[3] = f[1]
>
> the new codes runs like:
> f[0] = f0;
> f[1] = f1;
> f[2] = 2&1==0 ? f0 : f1 = f0
> f[3] = 3&1==0 ? f0 : f1 = f1
> f[4] = 4&1==0 ? f0 : f1 = f0
> f[5] = 5&1==0 ? f0 : f1 = f1
>
> thus it runs faster for around 7% faster on my performance tests.
>

Wrong thread.
Please reply on JIRA, where this discussion should be taking place.[1]

Regards,
Gilles

[1] https://issues.apache.org/jira/browse/MATH-1538

>
>
> Gilles Sadowski <gillese...@gmail.com> 于2020年6月7日周日 上午5:53写道:
>
>> Hi.
>>
>> 2020-06-06 14:21 UTC+02:00, Xeno Amess <xenoam...@gmail.com>:
>> > Alright, done.
>> > This pr is now splitted into two prs.
>> > https://github.com/apache/commons-math/pull/144
>> > https://github.com/apache/commons-math/pull/143
>>
>> I think that there are issues with some of the changes (e.g. where
>> the previous code used an "index" variable but in the new version
>> there is a hard-coded number).
>>
>> Gilles
>>
>> > [...]
>>

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