arm_cfft_f32.c File Reference

Functions
void	arm_radix8_butterfly_f32 (float32_t *pSrc, uint16_t fftLen, const float32_t *pCoef, uint16_t twidCoefModifier)
void	arm_bitreversal_32 (uint32_t *pSrc, const uint16_t bitRevLen, const uint16_t *pBitRevTable)
void	arm_cfft_radix8by2_f32 (arm_cfft_instance_f32 *S, float32_t *p1)
void	arm_cfft_radix8by4_f32 (arm_cfft_instance_f32 *S, float32_t *p1)
void	arm_cfft_f32 (const arm_cfft_instance_f32 *S, float32_t *p1, uint8_t ifftFlag, uint8_t bitReverseFlag)
	Processing function for the floating-point complex FFT.

Function Documentation

void arm_bitreversal_32	(	uint32_t *	pSrc,
		const uint16_t	bitRevLen,
		const uint16_t *	pBitRevTable
	)

Referenced by arm_cfft_f32(), and arm_cfft_q31().

void arm_cfft_radix8by2_f32	(	arm_cfft_instance_f32 *	S,
		float32_t *	p1
	)

References arm_radix8_butterfly_f32(), arm_cfft_instance_f32::fftLen, and arm_cfft_instance_f32::pTwiddle.

Referenced by arm_cfft_f32().

void arm_cfft_radix8by4_f32	(	arm_cfft_instance_f32 *	S,
		float32_t *	p1
	)

References arm_radix8_butterfly_f32(), arm_cfft_instance_f32::fftLen, and arm_cfft_instance_f32::pTwiddle.

Referenced by arm_cfft_f32().

void arm_radix8_butterfly_f32	(	float32_t *	pSrc,
		uint16_t	fftLen,
		const float32_t *	pCoef,
		uint16_t	twidCoefModifier
	)

Referenced by arm_cfft_f32(), arm_cfft_radix8by2_f32(), and arm_cfft_radix8by4_f32().