Uses existing library code where possible, and compares "Javascript source" with code compiled from other languages using Emscripten or similar.

FFT implementations

Only forward real-to-complex are tested at this point (the inverse transforms may or may not produce the right results).

You can run these tests in a browser, either by checking out this repo and opening the file fft/index.html or by navigating to this test page here.

See the original Mercurial repository by Chris Cannam (from which this is cloned) here:.