2015-12-24 8:34 GMT+01:00 Marcus Engene <mengpg2(at)engene(dot)se>:
> On 24/12/15 07:13, Pavel Stehule wrote:
>
> Hi
>
> 2015-12-24 8:05 GMT+01:00 Marcus Engene <mengpg2(at)engene(dot)se>:
>
>> Hi,
>>
>> Are there highly efficient C extensions out there for math operations on
>> arrays? Dot product and whatnot.
>>
>
> what you mean "highly efficient" ?
>
>
> Implemented as a C module so I wont have to unnest or plpgsql.
>
ok,
I don't know any extension that calculate euclid distance, but it should be
trivial in C - if you don't need to use generic types and generic
operations.
Pavel
> Kind regards,
> Marcus
>
>