process floating-point textures, and a few other things. If your machine
is less than five years old _and you have the appropriate drivers_,
you're home free.
-* The [Eigen 3] and [Google Test] libraries. (The library itself
- depends only on the former, but you probably want to run the unit tests.)
+* The [Eigen 3], [FFTW3] and [Google Test] libraries. (The library itself
+ does not depend on the latter, but you probably want to run the unit tests.)
* The [GLEW] library, for dealing with OpenGL extensions on various
platforms.