From 76177aa280494bb36d7a0bcbda1078d4db717020 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Mon, 9 Dec 2019 11:25:19 +0100 Subject: Official ARM version: v4.5 --- Documentation/DSP/html/arm__rfft__f32_8c.html | 301 ++++++++++++++++++++++++++ 1 file changed, 301 insertions(+) create mode 100644 Documentation/DSP/html/arm__rfft__f32_8c.html (limited to 'Documentation/DSP/html/arm__rfft__f32_8c.html') diff --git a/Documentation/DSP/html/arm__rfft__f32_8c.html b/Documentation/DSP/html/arm__rfft__f32_8c.html new file mode 100644 index 0000000..0068b93 --- /dev/null +++ b/Documentation/DSP/html/arm__rfft__f32_8c.html @@ -0,0 +1,301 @@ + + + + + +arm_rfft_f32.c File Reference +CMSIS-DSP: arm_rfft_f32.c File Reference + + + + + + + + + + + + + + + +
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CMSIS-DSP +  Version 1.4.7 +
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CMSIS DSP Software Library
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arm_rfft_f32.c File Reference
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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.
 
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.
 
void arm_rfft_f32 (const arm_rfft_instance_f32 *S, float32_t *pSrc, float32_t *pDst)
 Processing function for the floating-point RFFT/RIFFT.
 
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Function Documentation

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void arm_bitreversal_f32 (float32_t * pSrc,
uint16_t fftSize,
uint16_t bitRevFactor,
uint16_t * pBitRevTab 
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Referenced by arm_cfft_radix2_f32(), arm_cfft_radix4_f32(), and arm_rfft_f32().

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void arm_radix4_butterfly_inverse_f32 (float32_t * pSrc,
uint16_t fftLen,
float32_t * pCoef,
uint16_t twidCoefModifier,
float32_t onebyfftLen 
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Referenced by arm_cfft_radix4_f32(), and arm_rfft_f32().

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void arm_split_rifft_f32 (float32_t * pSrc,
uint32_t fftLen,
float32_t * pATable,
float32_t * pBTable,
float32_t * pDst,
uint32_t modifier 
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Parameters
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[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.
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Returns
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Referenced by arm_rfft_f32().

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