Re: [eigen] FFT for Eigen

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> P.S. The question of "why not just use FFTW?" has come up in this
> discussion.  FFTW is GPL, not LGPL. It is incompatible with the Eigen dual
> license.

Umm, IANAL, but FFTW's license is GPL v2 or later which means that it
can be used in any GPLv2 or later code. Unless you want to use Eigen
in the LGPL incarnation w/o releasing your code, it should be fine.

Rohit Garg

Senior Undergraduate
Department of Physics
Indian Institute of Technology

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