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    CMSIS-DSP
     
   
    
   CMSIS DSP Software Library 
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Instance structure for the Double Precision Floating-point RFFT/RIFFT function.
Data Fields | |
| arm_cfft_instance_f64 | Sint | 
| uint16_t | fftLenRFFT | 
| const float64_t * | pTwiddleRFFT | 
| uint16_t fftLenRFFT | 
length of the real sequence
| const float64_t* pTwiddleRFFT | 
Twiddle factors real stage
Internal CFFT structure.