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__rfft__f32_8c.html | 104 ++++++++++++++++++----------------- 1 file changed, 53 insertions(+), 51 deletions(-) (limited to 'docs/DSP/html/arm__rfft__f32_8c.html') diff --git a/docs/DSP/html/arm__rfft__f32_8c.html b/docs/DSP/html/arm__rfft__f32_8c.html index be0a8a0..7326cc2 100644 --- a/docs/DSP/html/arm__rfft__f32_8c.html +++ b/docs/DSP/html/arm__rfft__f32_8c.html @@ -32,7 +32,7 @@ Logo
CMSIS-DSP -  Version 1.5.2 +  Version 1.7.0
CMSIS DSP Software Library
@@ -116,24 +116,25 @@ $(document).ready(function(){initNavTree('arm__rfft__f32_8c.html','');}); - - - - - - - - - - - - + + + + + + + + + + + + +

Functions

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, uint16_t *pBitRevTab)
 
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. More...
 
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. 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_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_split_rfft_f32 (float32_t *pSrc, uint32_t fftLen, const float32_t *pATable, const float32_t *pBTable, float32_t *pDst, uint32_t modifier)
 Core Real FFT process. More...
 
void arm_split_rifft_f32 (float32_t *pSrc, uint32_t fftLen, const float32_t *pATable, const float32_t *pBTable, float32_t *pDst, uint32_t modifier)
 Core Real IFFT process. More...
 
void arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
 Processing function for the floating-point RFFT/RIFFT. More...
 

Function Documentation

- +
@@ -158,7 +159,7 @@ Functions - + @@ -168,12 +169,20 @@ Functions
uint16_t * const uint16_t *  pBitRevTab 
- -

Referenced by arm_rfft_f32().

+
Parameters
+ + + + + +
[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
+
+
+
Returns
none
- +
@@ -192,7 +201,7 @@ Functions - + @@ -208,13 +217,11 @@ Functions
float32_t * const float32_t *  pCoef,
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end of ComplexFFT group

- -

Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

+

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

- +
@@ -233,7 +240,7 @@ Functions - + @@ -255,12 +262,11 @@ Functions
float32_t * const float32_t *  pCoef,
- -

Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

+

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

- +
@@ -279,13 +285,13 @@ Functions - + - + @@ -310,22 +316,20 @@ Functions

end of RealFFT group

Parameters
float32_t * const float32_t *  pATable,
float32_t * const float32_t *  pBTable,
- - - - - - + + + + + +
[in]*pSrcpoints to the input buffer.
[in]fftLenlength of FFT.
[in]*pATablepoints to the twiddle Coef A buffer.
[in]*pBTablepoints to the twiddle Coef B buffer.
[out]*pDstpoints to the output buffer.
[in]modifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
[in]pSrcpoints to input buffer
[in]fftLenlength of FFT
[in]pATablepoints to twiddle Coef A buffer
[in]pBTablepoints to twiddle Coef B buffer
[out]pDstpoints to output buffer
[in]modifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table
-
Returns
none.
- -

Referenced by arm_rfft_f32().

+
Returns
none
- +
@@ -344,13 +348,13 @@ Functions - + - + @@ -374,18 +378,16 @@ Functions
Parameters
float32_t * const float32_t *  pATable,
float32_t * const float32_t *  pBTable,
- - - - - - + + + + + +
[in]*pSrcpoints to the input buffer.
[in]fftLenlength of FFT.
[in]*pATablepoints to the twiddle Coef A buffer.
[in]*pBTablepoints to the twiddle Coef B buffer.
[out]*pDstpoints to the output buffer.
[in]modifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
[in]pSrcpoints to input buffer
[in]fftLenlength of FFT
[in]pATablepoints to twiddle Coef A buffer
[in]pBTablepoints to twiddle Coef B buffer
[out]pDstpoints to output buffer
[in]modifiertwiddle coefficient modifier that supports different size FFTs with the same twiddle factor table
-
Returns
none.
- -

Referenced by arm_rfft_f32().

+
Returns
none
@@ -395,7 +397,7 @@ Functions