rand4x4.h

ADI BF DSP的FFT汇编优化后的代码

#define FFT_SIZE 16
#define MAX_PERMISSIBLE_ERROR  5

typedef struct {
 short re, im;
} complex_fract16;

segment("mydata1") complex_fract16 _in[1024];
segment("mydata2") complex_fract16 _out[1024];
segment("mydata3") complex_fract16 w[FFT_SIZE], exp[256];
short zero_in = 0;
short const_data1 = 0x7fff;
short inrand4_real[16] = {
0x0666,
0x0A3D,
0x51EA,
0x1851,
0x6B84,
0x15C2,
0x15C2,
0x7EB7,
0x3851,
0x2B84,
0x27AD,
0x2F5B,
0x31EB,
0x4B84,
0x0F5C,
0x051E
};
short inrand4_imag[16] = {
0x3AE0,
0x6F5B,
0x7709,
0x2147,
0x147A,
0x6F5B,
0x1EB8,
0x5332,
0x7C27,
0x547A,
0x6F5B,
0x0147,
0x11EB,
0x68F4,
0x3709,
0x71EA
};
short outrand4_real[16] = {
0x2DD6,
0x0F1E,
0x0185,
0xF88E,
0xF91D,
0x068F,
0x0333,
0xF146,
0xF8E0,
0xFDAD,
0x05D6,
0xEBEA,
0xFEE0,
0xED46,
0x02E1,
0x03D7
};
short outrand4_imag[16] = {
0x49D6,
0xFD5B,
0xF95B,
0xF6CB,
0xF7D6,
0xF68E,
0xF8F4,
0xF9EA,
0x06A3,
0xFEF4,
0x1D84,
0x010A,
0x0851,
0x0199,
0xF879,
0xFBAD
};