Re: log2 on MinGW

[John W. Eaton]

On 11/03/2013 08:39 PM, Michael Goffioul wrote:

> gnulib provides an implementation of frexp, however I'm wondering
> whether gnulib's implementation can be considered sub-optimal, as it has
> to be generic, compared to the internal Win32 implementation, which can
> use assembly. I truly don't know, I never tried to compare performance.

I checked in the following change:

  http://hg.savannah.gnu.org/hgweb/octave/rev/573f865aa8c8

If someone shows that the gnulib function is slow or doesn't
solve the problem that we have, then I think we should try to improve
the gnulib function.

jwe