57 #define CFFT_RADIX4BY2_REARRANGE_TWIDDLES_Q31(LEN)                                           \  argument
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;                         …
78 #define CFFTINIT_Q31(LEN,LENTWIDDLE)                                    \  argument
79 ARM_DSP_ATTRIBUTE arm_status arm_cfft_init_##LEN##_q31(                                \
86     S->fftLen = LEN;                                                 \
92     S->bitRevLength = ARMBITREVINDEXTABLE_FIXED_##LEN##_TABLE_LENGTH;      \
93     S->pBitRevTable = (uint16_t *)armBitRevIndexTable_fixed_##LEN;   \
94     S->pTwiddle = (q31_t *)twiddleCoef_##LEN##_q31;                  \
109 #define CFFTINIT_Q31(LEN,LENTWIDDLE)                                      \  argument
110 ARM_DSP_ATTRIBUTE arm_status arm_cfft_init_##LEN##_q31(arm_cfft_instance_q31 * S)\
116         S->fftLen = LEN;                                       \
121         FFTINIT(q31,LEN);                                      \