The AFF (Array of Friederich and Forbriger) is a lightweight class library. It
offers a simple and easy to use container for numbers as is necessary in
numerical code. The offered array always has a rectangular strided layout,
reference semantics (through counted references) and a Fortran layout in
memory. The interface is intentionally kept sparse to keep compilation times
small. The array itself is meant to be used to pass numbers from one program
module to the other. If you want to exploit the power of expression templates,
pass the array contents to something like Blitz++.