CMSIS-DSP
Verison 1.1.0
CMSIS DSP Software Library
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Functions | |
void | arm_bitreversal_f32 (float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, uint16_t *pBitRevTab) |
In-place bit reversal function. | |
void | arm_bitreversal_q31 (q31_t *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTable) |
In-place bit reversal function. | |
void | arm_bitreversal_q15 (q15_t *pSrc16, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab) |
In-place bit reversal function. |
void arm_bitreversal_f32 | ( | float32_t * | pSrc, |
uint16_t | fftSize, | ||
uint16_t | bitRevFactor, | ||
uint16_t * | pBitRevTab | ||
) |
[in,out] | *pSrc | points to the in-place buffer of floating-point data type. |
[in] | fftSize | length of the FFT. |
[in] | bitRevFactor | bit reversal modifier that supports different size FFTs with the same bit reversal table. |
[in] | *pBitRevTab | points to the bit reversal table. |
Referenced by arm_cfft_radix2_f32(), arm_cfft_radix4_f32(), and arm_rfft_f32().
void arm_bitreversal_q15 | ( | q15_t * | pSrc, |
uint32_t | fftLen, | ||
uint16_t | bitRevFactor, | ||
uint16_t * | pBitRevTab | ||
) |
[in,out] | *pSrc | points to the in-place buffer of Q15 data type. |
[in] | fftLen | length of the FFT. |
[in] | bitRevFactor | bit reversal modifier that supports different size FFTs with the same bit reversal table |
[in] | *pBitRevTab | points to bit reversal table. |
Referenced by arm_cfft_radix2_q15(), arm_cfft_radix4_q15(), and arm_rfft_q15().
void arm_bitreversal_q31 | ( | q31_t * | pSrc, |
uint32_t | fftLen, | ||
uint16_t | bitRevFactor, | ||
uint16_t * | pBitRevTab | ||
) |
[in,out] | *pSrc | points to the in-place buffer of Q31 data type. |
[in] | fftLen | length of the FFT. |
[in] | bitRevFactor | bit reversal modifier that supports different size FFTs with the same bit reversal table |
[in] | *pBitRevTab | points to bit reversal table. |
Referenced by arm_cfft_radix2_q31(), arm_cfft_radix4_q31(), and arm_rfft_q31().