Awesome, thanks very much Dima! This is a big step forward for FFT usability in PDL.
On Oct 30, 2013, at 4:05 PM, Dima Kogan <[email protected]> wrote: > Hi all. > > PDL::FFTW3 is now on CPAN: > > https://metacpan.org/pod/release/DKOGAN/PDL-FFTW3-0.02.1/README.pod > > This module is intended to be a replacement for PDL::FFT and PDL::FFTW. > It is fast, has simple interfaces, and follows "normal" FFT conventions. > These are similar to other numerical tools, like numpy. Specifically: > > - The DC component is the first entry in the transformed array > - fft is unnormalized, ifft is normalized, so ifft(fft(x)) == x > > When using complex numbers this module expects a (real,imag) tuple in > the first piddle dimension. PDL has some complex-number support in > PDL::Complex, but PDL::FFTW3 does not use it, and I would strongly > recommend against it. > > Thanks to Craig DeForest this module now has support for Alien::FFTW3, > which makes installation easier on some operating systems. > > Let me know if any issues come up. > > Dima > > _______________________________________________ > Perldl mailing list > [email protected] > http://mailman.jach.hawaii.edu/mailman/listinfo/perldl > _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
