From 96d6da4e252b06dcfdc041e7df23e86161c33007 Mon Sep 17 00:00:00 2001 From: rihab kouki Date: Tue, 28 Jul 2020 11:24:49 +0100 Subject: Official ARM version: v5.6.0 --- docs/DSP/html/arm__cfft__radix4__f32_8c.html | 48 ++++++++++++++++------------ 1 file changed, 27 insertions(+), 21 deletions(-) (limited to 'docs/DSP/html/arm__cfft__radix4__f32_8c.html') diff --git a/docs/DSP/html/arm__cfft__radix4__f32_8c.html b/docs/DSP/html/arm__cfft__radix4__f32_8c.html index f33fb69..1e57fba 100644 --- a/docs/DSP/html/arm__cfft__radix4__f32_8c.html +++ b/docs/DSP/html/arm__cfft__radix4__f32_8c.html @@ -32,7 +32,7 @@ Logo
CMSIS-DSP -  Version 1.5.2 +  Version 1.7.0
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)
 
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_bitreversal_f32 (float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, const uint16_t *pBitRevTab)
 In-place floating-point bit reversal function. More...
 
void arm_radix4_butterfly_f32 (float32_t *pSrc, uint16_t fftLen, const float32_t *pCoef, uint16_t twidCoefModifier)
 
void arm_radix4_butterfly_inverse_f32 (float32_t *pSrc, uint16_t fftLen, const 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

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uint16_t * const uint16_t *  pBitRevTab 
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Referenced by arm_cfft_radix4_f32().

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Parameters
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[in,out]pSrcpoints to in-place floating-point data buffer
[in]fftSizelength of FFT
[in]bitRevFactorbit reversal modifier that supports different size FFTs with the same bit reversal table
[in]pBitRevTabpoints to bit reversal table
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+
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Returns
none
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float32_tconst float32_t pCoef,
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end of ComplexFFT group

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Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

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end of ComplexFFT group brief Core function for the floating-point CFFT butterfly process. param[in,out] pSrc points to the in-place buffer of floating-point data type param[in] fftLen length of the FFT param[in] pCoef points to the twiddle coefficient buffer param[in] twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table return none

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float32_tconst float32_t pCoef,
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Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

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brief Core function for the floating-point CIFFT butterfly process. param[in,out] pSrc points to the in-place buffer of floating-point data type param[in] fftLen length of the FFT param[in] pCoef points to twiddle coefficient buffer param[in] twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. param[in] onebyfftLen value of 1/fftLen return none

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