GitLab

Fix behavior of `NormSqFunctional` for non-zero imaginary parts.

See merge request !1

example script and  data of a magnesium wire measured at PETRA III, P05 nano. This is the supplement for the paper 'A phase retrieval framework to directly reconstruct the projected refractive index''

The definition used before is inconsistent for complex numbers, e.g.
`nsq = NormSqFunctional; nsq.evaluate(i), nsq.evaluate(1)` returns
`-0.5` and `0.5`.
Remark that `A'` is conjugate-transpose and `A.'` is transpose of A.

removed option to link volume in astraFDK - not supported by Windows anymore: Memory consumption is now increased by storage of an additional projections array

There is no reason to ever use anything other than the default reg_type='mba'.

Impose stronger regularization for spatial frequencies beyond the numerical aperture to prevent high-frequency artifacts in the case of deeply holographic data

The support mask for the initial guess was not padded.