And what should the library writers use? The great advantage of this is that much of it can be done in one language. From the article: "The library, mostly wri

And what should the library writers use? The great advantage of this is that much of it can be done in one language. From the article: "The library, mostly written in Julia itself, also integrates mature, best-of-breed C and Fortran libraries for linear algebra, random number generation, FFTs, and string processing."