Mine

typedef fftwf_complex float[2];func(float *affData, int len) {	fftwf_complex *fft_data;	/* convert input */	for(i = 0; i < len; i++) {		float *tmp = data[i];		tmp[0] = afftData[i * 2];		tmp[1] = afftData[i * 2 + 1];	}	do_fft(fft_data, len);	/* convert result */	for(i = 0; i < len; i++) {		float *tmp = data[i];		afftData[i * 2] = tmp[0];		afftData[i * 2 + 1] = tmp[1];	}}