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non port: math/nfft/files

Number of commits found: 1

Sunday, 3 Dec 2017
23:12 rodrigo search for other commits by this committer
Add new port math/nfft

NFFT is a software library, written in C, for computing non-equispaced fast
Fourier transforms and related variations. It implements the following

1. Non-equispaced fast Fourier transform (NFFT)
 - forward transform (NFFT), i.e. frequency to time/space domain
 - adjoint transform (adjoint NFFT), i.e. time/space to frequency domain

2. Generalisations
 - to arbitrary nodes in time and frequency domain (NNFFT)
 - to real-valued data, i.e. (co)sine transforms, (NFCT, NFST)
 - to the sphere S^2 (NFSFT)
 - to the rotation group (NFSOFT)
 - to the hyperbolic cross (NSFFT)
3. Generalised inverse transformations based on iterative methods, e.g.

PR:		223429
Submitted by:	Michael Danilov <>
Original commitRevision:455493 

Number of commits found: 1