求FFT的C语言程序……最好是1024点的……希望大家帮帮我!答:float ar[1024],ai[1024];/* 实部,虚部 */ float a[2050]; /* 实际值 */ void fft(){ int n1,n2,i,j,k,l,m,s=10,nn=1024,l1;float t1,t2,x,y;float w1,w2,u1,u2,z;float fsin[10]={0.000000,1.000000,0.707107,0.3826834,0.1950903,0.09801713,0.04906767,0....