[Octave-bug-tracker] [bug #60226] [octave forge] (image) psf2otf does not allow complex numbers for psf

[Hartmut]

Follow-up Comment #1, bug #60226 (project octave):

Thanks for letting us know this compatibility issue in psf2otf.

I can confirm this behavior:
* A complex input value PSF into our psf2otf currently throws a (useful) error
message: PSF  must be numeric and real.
* The Matlab docs claim that they accept a complex PSF input. A quick test in
their online Matlab confirmed this.
* I have not found any hint in the Matlab release notes (R2016a up to today)
that they changed this, so this is incompatibilit is probably there already
for some time.

Question to the original reporter: Do you have a usecase where a complex input
value of PSF makes sense? (I know that in the formal definition the PSF can
have a phase and thus be complex, but have you met such complex PSFs in "real
life"?)

Question to everyone, especially Avinoam: 

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