FFT, backward transform (synthesis) of a complex Fourier coefficient array
FFT, forward transform of a complex periodic sequence
FFT, forward cosine transform with odd wave numbers
FFT, discrete cosine transform of a real even sequence
FFT, backward transform (synthesis) of a real Fourier coefficient array, simplified and slower version of (fftpack/rfftb)
FFT, forward transform of a real periodic sequence, simplified and slower version of (fftpack/rfftf)
FFT, backward transform (synthesis) of a real Fourier coefficient array
FFT, forward transform of a real periodic sequence
FFT, backward sine transform (synthesis) with odd wave numbers
FFT, forward sine transform with odd wave numbers
FFT, discrete sine transform of a real odd sequence
initialization routine for (fftpack/cfftf) and (fftpack/cfftb)
FFT, backward cosine transform (synthesis) with odd wave numbers
initialization routine for (fftpack/cosqf) and (fftpack/cosqb)
initialization routine for (fftpack/ezfftf) and (fftpack/ezfftb)
initialization routine for (fftpack/cost)
initialization routine for (fftpack/rfftf) and (ftpack/rfftb)
initialization routtine for (fftpack/sinqf) and (fftpack/sinqb)
initialization routine for (fftpack/sint)