[Mne_analysis] Potential bug with complex128 being loaded as float64 in mne.read_epochs when preload=False

[Eric Larson]

        External Email - Use Caution        

This indeed looks like a bug. Can you see if this PR fixes your issue?

https://github.com/mne-tools/mne-python/pull/7560

Eric


On Fri, Apr 3, 2020 at 8:40 AM Lau Møller Andersen <lau.andersen at cnru.dk>
wrote:

>         External Email - Use Caution
>
> Dear MNE-developers
>
> I may have found a bug 0.20.0 (only version I tested)
>
> When epochs with complex128 data in it is saved, it gets correctly loaded
> as complex when preload=True in mne.read_epochs, but when subsequently
> loading it when preload=False, it wrongly is loaded as float64
>
> See the attached reproduction script: (let me know if I should raise it as
> an issue)
>
> All the best
>
> Lau
>
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