For completeness, Conrad Sanderson (who is the main author of Armadillo, which is used inter alia by MLPACK) posted another good summary with links to other projects including also a launchpad bug report: https://bugs.launchpad.net/ubuntu/+source/openblas/+bug/1870138
Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org