Thanks for writing this up, I'm always on the look out for alternative methods for DFTs and the like, currently concentrating on interpolation of low frequencie

Thanks for writing this up, I'm always on the look out for alternative methods for DFTs and the like, currently concentrating on interpolation of low frequencies (after DC, but still within the first 5% of wave numbers) . I'll see if this fits my use case soon, hopefully today.