<p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;"> External Email - Use Caution </span></p><p></p><div dir="ltr">Are you on NumPy 1.19.4? A Windows update introduced a FPU bug a couple of months ago that they're planning on patching in January I think:<div><br></div><div><a href="https://secure-web.cisco.com/1NjLlYU0SqEFbhBTrJZ2O5foARTRqIBEgpBntWBp2mjVzbU9h6asq-_9ex0SFksZSGn0wQzcuHI3AqUwfC5sLqGKKwyAreNozndtHF3WFtdv7kQEQLuhq6QBo9m3vPPxWaoNas5OvbIQXecGj6XyDC0r-UOSKSoxOCl2SdATSE8WteWwCzli89gP1mp34UKm-0_8R_n-ni7pMIhFeijLMkagyngKiaRLXSNeoBLp03rEpUmw2W6fUNxjp7E_LxxDZXd8_gnTsQEvtzyWxC-3Z0Q/https%3A%2F%2Fdevelopercommunity2.visualstudio.com%2Ft%2Ffmod-after-an-update-to-windows-2004-is-causing-a%2F1207405"><font color="red"><b>MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be</b></font> https://developercommunity2.visualstudio.com/t/fmod-after-an-update-to-windows-2004-is-causing-a/1207405</a><br></div><div><br></div><div>In the meantime, a workaround is to install NumPy 1.19.3 on Windows. There is also a NumPy 1.20 release coming soon that should fix it.</div><div><br></div><div>Eric</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 8, 2020 at 4:06 AM Scheltienne Mathieu <<a href="mailto:mathieu.scheltienne@epfl.ch">mathieu.scheltienne@epfl.ch</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="en-CH" style="overflow-wrap: break-word;"><p><span style="padding:3px 10px;border-radius:5px;color:rgb(255,255,255);font-weight:bold;display:inline-block;background-color:rgb(255,0,0)"> External Email - Use Caution </span></p><p></p>
<div class="gmail-m_9010627963432501193WordSection1">
<p class="MsoNormal"><span lang="EN-US">Dear all,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I am using MNE for EEG analysis on my MacBook Pro on both mac OS and Windows (double boot).
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Today, I could not apply projectors on Windows but I could on mac OS. The error raised on Windows is:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">C:\Program Files\Python\Python38\lib\site-packages\mne\io\proj.py:641: RuntimeWarning: invalid value encountered in greater<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US"> nproj = np.sum((S / S[0]) > 1e-2)</span></i><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The error was raised when doing:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">raw = mne.io.read_raw_fif(fname, preload=True)<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">raw.set_eeg_reference(ref_channels='average', projection=True) # CAR
<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">eog_projs, _ = mne.preprocessing.compute_proj_eog(raw, n_grad=0, n_mag=0, n_eeg=1, reject=None,<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US"> no_proj=True, n_jobs=1)<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">raw.add_proj(eog_projs)<u></u><u></u></span></i></p>
<p class="MsoNormal" style="margin-left:36pt"><i><span lang="EN-US">raw.plot(scalings=DEFAULT_SCALINGS)<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><u></u> <u></u></span></i></p>
<p class="MsoNormal"><span lang="EN-US">Note that using only one of the 2 projectors raises the same error; and using raw.apply_proj() does it as well.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Same file with same script on mac OS is working fine. Any idea for a solution?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Have a nice day,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Mathieu Scheltienne<u></u><u></u></span></p>
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