the competition's expm vs ours

[Jordi Gutiérrez Hermoso]

2008/11/12 David Bateman <David.Bateman at motorola.com>:
> Jordi Gutiérrez Hermoso wrote:
>>
>> I just ran into a "benchmark" in a blog somewhere that suggests that
>> our expm is slower than Matlab's.
>>
>
> Jaroslav can probably do a better job at that than I can as he worked on
> this part of the code... However, can you put us to the benchmark?

It wasn't anything impressive. Just ran expm a couple of times on
rand(300), and we lost by a factor of 8 or so. I can't find it again.
:-/

I just want to confirm if we are indeed this slow. And also some
hints, because I can't find the actual implementation.

- Jordi G. H.