FFT是电子信息领域最经典的算法，此文是最简短8点FFT的浮点C语言程序。-FFT is the electronic information field of the most classic algorithms, this article is a brief 8:00 FFT floating-point C language program.

常用算法的C语言程序源码，有各种滤波算法，FFT算法，小波算法等。-Commonly used algorithm in C language program source code, there are a variety of filtering algorithm, FFT algorithm, wavelet algorithms.