fft.zip_fft_fft c++

General Purpose FFT (Fast Fourier Transform) Package files fft2f.c : FFT Package in C - Easy Version fft2f.f : FFT Package in Fortran - Easy Version fft2ft.c : Test Program of "fft2f.c" fft2ft.f : Test Program of "fft2f.f" fft4f.c : FFT Package in C - Fast Version fft4f.f : FFT Package in Fortran - Fast Version fft4ft.c : Test Program of "fft4f.c" fft4ft.f : Test Program of "fft4f.f" fftxf.doc : Document of "fft*f.*" fftxfj.doc : Document of "fft*f.*" (Japanese) routines in the package cdft: Complex Discrete Fourier Transform rdft: Real Discrete Fourier Transform ddct: Discrete Cosine Transform ddst: Discrete Sine Transform dfct: Cosine Transform of RDFT (Real Symmetric DFT) dfst: Sine Transform of RDFT (Real Anti-symmetric DFT) copyright Copyright(C) 1996, 1997 Takuya OOURA (email: [email protected]). You may use, copy, modify this code for any purpose and without fee. You may distribute this ORIGINAL package.