General Purpose FFT (Fast Fourier/Cosine/Sine Transform) Package

Copyright(C) 1996-2001 Takuya OOURA

email: ooura@mmm.t.u-tokyo.ac.jp
download: http://momonga.t.u-tokyo.ac.jp/~ooura/fft.html
You may use, copy, modify this code for any purpose and without fee. You may distribute this ORIGINAL package.

Copyright(C) 1997,2001 Takuya OOURA (email: ooura@kurims.kyoto-u.ac.jp).

You may use, copy, modify this code for any purpose and without fee. You may distribute this ORIGINAL package.