this file is even FFT, max point is 8192,this file \"fft4g.c\" is computer this file \"how_to_use_fft.c\" is call function \"fft4g.c\"-this file is even FFT, max point is 8192. this file "fft4g.c" is this computer file "how_ to_use_fft

快速傅里叶算法FFT，C语言编程，图形显示，移植性好，可以linux等系统下运行。-FFT，C programming， figure perform，easy transplant， function well under Linux system or other systems