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Fxt

May 26, 2018

fxt is a library package coming as C++ source code containing various algorithms for

  • Fast Fourier Transform FFT incl. real-valued,
  • multidimensional and weighted variants.
  • Fast Hartley Transform FHT
  • Number Theoretic Transform NTT, Fast Walsh Transform.
  • Convolution cyclic, linear and weighted,
  • correlation and power spectrum.
  • Fast Haar Transform, Fast Wavelet Transform
  • Mass storage convolution and fast multiplication routines.
  • Sine- and cosine transform DCT, DST, Fast Z-Transform FZT

WWW http//www.jjj.de/fxt/