arm_rfft_f32.c File Reference

Functions
void	arm_split_rfft_f32 (float32_t *pSrc, uint32_t fftLen, float32_t *pATable, float32_t *pBTable, float32_t *pDst, uint32_t modifier)
	Core Real FFT process.
void	arm_split_rifft_f32 (float32_t *pSrc, uint32_t fftLen, float32_t *pATable, float32_t *pBTable, float32_t *pDst, uint32_t modifier)
	Core Real IFFT process.
void	arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
	Processing function for the floating-point RFFT/RIFFT.

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Function Documentation

void arm_split_rfft_f32	(	float32_t *	pSrc,
		uint32_t	fftLen,
		float32_t *	pATable,
		float32_t *	pBTable,
		float32_t *	pDst,
		uint32_t	modifier
	)

end of RFFT_RIFFT group

Parameters:

[in]	*pSrc	points to the input buffer.
[in]	fftLen	length of FFT.
[in]	*pATable	points to the twiddle Coef A buffer.
[in]	*pBTable	points to the twiddle Coef B buffer.
[out]	*pDst	points to the output buffer.
[in]	modifier	twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.

Returns:

none.

Referenced by arm_rfft_f32().

void arm_split_rifft_f32	(	float32_t *	pSrc,
		uint32_t	fftLen,
		float32_t *	pATable,
		float32_t *	pBTable,
		float32_t *	pDst,
		uint32_t	modifier
	)

Parameters:

[in]	*pSrc	points to the input buffer.
[in]	fftLen	length of FFT.
[in]	*pATable	points to the twiddle Coef A buffer.
[in]	*pBTable	points to the twiddle Coef B buffer.
[out]	*pDst	points to the output buffer.
[in]	modifier	twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.

Returns:

none.

Referenced by arm_rfft_f32().