This appears to be fixed, at least on arm64 and ppc64el, by the upload of armadillo/1:10.6.2+dfsg-1.
- Bug#993043: ensmallen: autopkgtest regression o... Adrian Bunk
- Bug#993043: ensmallen: autopkgtest regress... Graham Inggs
- Processed: Re: ensmallen: autopkgtest regr... Debian Bug Tracking System
- Bug#993043: ensmallen: autopkgtest regress... Étienne Mollier
- Bug#993043: marked as done (ensmallen: aut... Debian Bug Tracking System