A new upstream version (3.2.1) was just released from fftw.org. 3.2.1 contains some small performance improvements, as well as documentation fixes, which might be relevant to Fedora. Thanks for your efforts!
Bumped and building [0] in rawhide, will build and push testing updates for release branches soon. Thanks for telling me :). [0]: http://koji.fedoraproject.org/koji/taskinfo?taskID=1127357
Pushed to stable. https://admin.fedoraproject.org/updates/F10/FEDORA-2009-1753