R: Fast FFT and DCT Based on the FFTW Library

# Fast FFT and DCT Based on the FFTW Library

## Documentation for package ‘fftw’ version 1.0-9

- DESCRIPTION file
- Package README

## Help Pages

DCT | Calculate (inverse) DFT using the FFT method
FFT | Calculate (inverse) DFT using the FFT method
IDCT | Calculate (inverse) DFT using the FFT method
IFFT | Calculate (inverse) DFT using the FFT method
planDCT | Create FFTW plan
planFFT | Create FFTW plan