twid_4.h

ADI BF DSP的FFT汇编优化后的代码

short twid4_real[4] = {
0x7FFF,
0x0000,
0x8000,
0x0000
};

short twid4_imag[4] = {
0x0000,
0x8000,
0x0000,
0x7FFF
};