JuliaLang/julia — pull request #6064 by andreasnoackjensen (2014-03-06 08:03:01+00:00)
Title: Fix julia lu algorithm to handle singular matrices similarly to LAPACK.

I have tried to test this against LAPACK, but the factorisation is not stable for singular matrices and therefore it wasn't really feasible. (The regular case is already tested against LAPACK).