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arm_cfft_radix4_f32.c File Reference

Functions

void arm_bitreversal_f32 (float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, uint16_t *pBitRevTab)
 
void arm_radix4_butterfly_f32 (float32_t *pSrc, uint16_t fftLen, float32_t *pCoef, uint16_t twidCoefModifier)
 
void arm_radix4_butterfly_inverse_f32 (float32_t *pSrc, uint16_t fftLen, float32_t *pCoef, uint16_t twidCoefModifier, float32_t onebyfftLen)
 
void arm_cfft_radix4_f32 (const arm_cfft_radix4_instance_f32 *S, float32_t *pSrc)
 Processing function for the floating-point Radix-4 CFFT/CIFFT. More...
 

Function Documentation

void arm_bitreversal_f32 ( float32_t pSrc,
uint16_t  fftSize,
uint16_t  bitRevFactor,
uint16_t *  pBitRevTab 
)

Referenced by arm_cfft_radix4_f32().

void arm_radix4_butterfly_f32 ( float32_t pSrc,
uint16_t  fftLen,
float32_t pCoef,
uint16_t  twidCoefModifier 
)

end of ComplexFFT group

Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

void arm_radix4_butterfly_inverse_f32 ( float32_t pSrc,
uint16_t  fftLen,
float32_t pCoef,
uint16_t  twidCoefModifier,
float32_t  onebyfftLen 
)