58 static arm_status arm_cfft_radix4by2_rearrange_twiddles_##LEN##_q31(arm_cfft_instance_q31 *S)\
60     S->rearranged_twiddle_tab_stride1_arr = rearranged_twiddle_tab_stride1_arr_##LEN##_q31;  \
61     S->rearranged_twiddle_stride1  =  rearranged_twiddle_stride1_##LEN##_q31;                \
63     S->rearranged_twiddle_tab_stride2_arr = rearranged_twiddle_tab_stride2_arr_##LEN##_q31;  \
64     S->rearranged_twiddle_stride2  =  rearranged_twiddle_stride2_##LEN##_q31;                \
66     S->rearranged_twiddle_tab_stride3_arr = rearranged_twiddle_tab_stride3_arr_##LEN##_q31;  \
67 …S->rearranged_twiddle_stride3  =  rearranged_twiddle_stride3_##LEN##_q31;                         …
80   arm_cfft_instance_q31 * S)                                         \
86     S->fftLen = LEN;                                                 \
89     S->pTwiddle = NULL;                                              \
92     S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_##LEN##_TABLE_LENGTH;      \
93     S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_##LEN;   \
94     S->pTwiddle = (q31_t *)twiddleCoef_##LEN##_q31;                  \
95     status=arm_cfft_radix4by2_rearrange_twiddles_##LENTWIDDLE##_q31(S);\
105   S->bitRevLength = arm_cfft_sR_##EXT##_len##SIZE.bitRevLength;        \
106   S->pBitRevTable = arm_cfft_sR_##EXT##_len##SIZE.pBitRevTable;         \
107   S->pTwiddle = arm_cfft_sR_##EXT##_len##SIZE.pTwiddle;
110 ARM_DSP_ATTRIBUTE arm_status arm_cfft_init_##LEN##_q31(arm_cfft_instance_q31 * S)\
116         S->fftLen = LEN;                                       \
119         S->pTwiddle = NULL;                                    \
270   arm_cfft_instance_q31 * S,  in arm_cfft_init_q31()  argument
284             status=arm_cfft_init_4096_q31(S);  in arm_cfft_init_q31()
290             status=arm_cfft_init_2048_q31(S);  in arm_cfft_init_q31()
296             status=arm_cfft_init_1024_q31(S);  in arm_cfft_init_q31()
302             status=arm_cfft_init_512_q31(S);  in arm_cfft_init_q31()
306             status=arm_cfft_init_256_q31(S);  in arm_cfft_init_q31()
310             status=arm_cfft_init_128_q31(S);  in arm_cfft_init_q31()
314             status=arm_cfft_init_64_q31(S);  in arm_cfft_init_q31()
318             status=arm_cfft_init_32_q31(S);  in arm_cfft_init_q31()
323             status=arm_cfft_init_16_q31(S);  in arm_cfft_init_q31()