Scot Martin, Harvard University, HDF Guest Blogger
HDF5 storage is really interesting. To me, its format has no fixed structure, but instead is based on introspection and discovery. Seems great to me; Mathematica has its origins first in artificial intelligence, so we ought to be able to do something here. Approaching twenty-two years with Mathematica and almost a “Hello, World!” ability in C, I decided to jump right in. Enter The HDF Group's P/Invoke for my salvation. Here’s how we make use of it in Mathematica:
LoadNETAssembly["HDF.PInvoke.dll"]
Bang! Ready to go in Mathematica. Here’s a proof of concept for how it works:
Module[
(* The three symbols should have initial values so that there is *)
(* memory allocation when Mathematica interfaces with P/Invoke. *)
{major=0,minor=0,revision=0,return},
CompoundExpression[
(* access...
