pfft 0.1

[bearophile]

jerro:

Are all your benchmarks done on a 64 bit system?

> I think what Phobos does in
> this case is wrong. The fact that one class works on all
> floating point types results in very poor precision when
> the data consists of doubles or reals. I guess that precomputed
> tables are stored as floats. You could only fix that by saving
> them as reals, but that would probably hurt performance quite
> a lot. The fact that one instance can be used for multiple sizes
> would be a problem if we wanted to change an implementation 
> since
> not all FFT implementation can use one precomputed table for
> different data sizes.

If you are right and this is a problem, are Andrei and others 
accepting to change this little part of Phobos? If the answer is 
positive, are you interested in creating a GIT patch that changes 
that?

Bye,
bearophile