Extensions to LAPACK for quasi-definite matrices for use in Julia.
julia> Pkg.clone("https://github.com/nwh/QuasiDefinite.jl.git")
julia> Pkg.build("QuasiDefinite")
julia> using QuasiDefinite
julia> using QuasiDefinite
julia> QuasiDefinite.run()
[1.4142135623730951 -0.7071067811865475
-1.0 1.224744871391589]0