On 15 October 2012 09:12, Brian Gladman <b...@gladman.plus.com> wrote: > -----Original Message----- From: Bill Hart > Sent: Monday, October 15, 2012 3:22 AM > To: mpir-devel@googlegroups.com > Subject: Re: [mpir-devel] MPIR 2.6.0-alpha2 released > > > Unfortunately, GMP-ECM will have to be rewritten to use the new FFT. > > Fortunately, the best_k and next_size stuff is no longer needed. So > this shouldn't be too much work. > > ========================= > Doesn't this break the GMP compatibility mode?
No. The FFT is undocumented. > > Can the old calls be mapped to the new FFT interface - that is dummy calls > for not needed items and a mapping from the old FFT call to the new one? > No, the operation of the new fft is just different. > This might be inefficient but it would be better than nothing until > something better can be arranged. > > In any event, we surely need to offer advice on what to do to use the new > FFT in place of the old one - maybe we already do this in the 2.6.0 manual? > The example of the MPIR code that uses the FFT code for inverse/division should be sufficient to see what is needed here. Bill. > I would certainly like to offer the GMP-ECM team a set of changes they need > to make to use the new version of MPIR and gain access to the much faster > FFT that you have produced. > > Brian > > > -- > You received this message because you are subscribed to the Google Groups > "mpir-devel" group. > To post to this group, send email to mpir-devel@googlegroups.com. > To unsubscribe from this group, send email to > mpir-devel+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/mpir-devel?hl=en. > -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-devel@googlegroups.com. To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en.
