[racket] Blog post about Racket

Sam Tobin-Hochstadt writes:

 > On Mon, May 12, 2014 at 10:18 AM, Matthias Felleisen
 > <matthias at ccs.neu.edu> wrote:
 > >
 > >> If the FFI can provide
 > >> C-pointer access to something like a flvector, and ensure that it's
 > >> not garbage-collected for the duration of a C function call, then a
 > >> good interface should be doable.
 > 
 > This is the `f64vector` (or `f32vector`, for single floats) type.
 > Docs here: http://docs.racket-lang.org/foreign/homogeneous-vectors.html#%28def._%28%28lib._ffi%2Fvector..rkt%29._make-f64vector%29%29

Great, thanks for the pointer!

Do I understand correctly that an f64vector is a different type from a
flvector? A flarray is based on a flvector, so if f64vector is
different, then I can't have an array based directly on it, and
probably I'll end up having to copy everything again.

Konrad.