html.refs

FFTW, a collection of fast C routines to compute the Discrete Fourier Transform in one or more dime

\ References for the FFTW FAQ
\
the FFTW web page		\ http://www.fftw.org
FFTW Windows installation notes \ http://www.fftw.org/install/install-Windows.html
Categories of Free and Non-Free Software \ http://www.gnu.org/philosophy/categories.html