arm_cfft_f64.c File Reference

Functions
void	arm_radix4_butterfly_f64 (float64_t *pSrc, uint16_t fftLen, const float64_t *pCoef, uint16_t twidCoefModifier)
void	arm_bitreversal_64 (uint64_t *pSrc, const uint16_t bitRevLen, const uint16_t *pBitRevTable)
	In-place 64 bit reversal function. More...
void	arm_cfft_radix4by2_f64 (float64_t *pSrc, uint32_t fftLen, const float64_t *pCoef)
void	arm_cfft_f64 (const arm_cfft_instance_f64 *S, float64_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
	Processing function for the Double Precision floating-point complex FFT. More...

Function Documentation

void arm_bitreversal_64	(	uint64_t *	pSrc,
		const uint16_t	bitRevLen,
		const uint16_t *	pBitRevTab
	)

Parameters

[in,out]	pSrc	points to in-place buffer of unknown 64-bit data type
[in]	bitRevLen	bit reversal table length
[in]	pBitRevTab	points to bit reversal table

Returns

none

void arm_cfft_radix4by2_f64	(	float64_t *	pSrc,
		uint32_t	fftLen,
		const float64_t *	pCoef
	)

void arm_radix4_butterfly_f64	(	float64_t *	pSrc,
		uint16_t	fftLen,
		const float64_t *	pCoef,
		uint16_t	twidCoefModifier
	)

end of ComplexFFT group