//test.c #include #include "fft.c" int main(int argc,char* argv[]) { int x[16]={1,2,3,4,5,6,7,8,9,8,7,6,5,4,3,2}; int y[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; printf("test"); fft(16,4,x,y); return 0; }