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__q31_8c.html | 278 ++++++++++++++++++++++++++ 1 file changed, 278 insertions(+) create mode 100644 Documentation/DSP/html/arm__rfft__q31_8c.html (limited to 'Documentation/DSP/html/arm__rfft__q31_8c.html') diff --git a/Documentation/DSP/html/arm__rfft__q31_8c.html b/Documentation/DSP/html/arm__rfft__q31_8c.html new file mode 100644 index 0000000..4efa2af --- /dev/null +++ b/Documentation/DSP/html/arm__rfft__q31_8c.html @@ -0,0 +1,278 @@ + + + + + +arm_rfft_q31.c File Reference +CMSIS-DSP: arm_rfft_q31.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_q31.c File Reference
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void arm_split_rfft_q31 (q31_t *pSrc, uint32_t fftLen, q31_t *pATable, q31_t *pBTable, q31_t *pDst, uint32_t modifier)
 Core Real FFT process.
 
void arm_split_rifft_q31 (q31_t *pSrc, uint32_t fftLen, q31_t *pATable, q31_t *pBTable, q31_t *pDst, uint32_t modifier)
 Core Real IFFT process.
 
void arm_rfft_q31 (const arm_rfft_instance_q31 *S, q31_t *pSrc, q31_t *pDst)
 Processing function for the Q31 RFFT/RIFFT.
 
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Function Documentation

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void arm_split_rfft_q31 (q31_t * pSrc,
uint32_t fftLen,
q31_t * pATable,
q31_t * pBTable,
q31_t * pDst,
uint32_t modifier 
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end of RealFFT group

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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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References mult_32x32_keep32_R, multAcc_32x32_keep32_R, and multSub_32x32_keep32_R.

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Referenced by arm_rfft_q31().

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void arm_split_rifft_q31 (q31_t * pSrc,
uint32_t fftLen,
q31_t * pATable,
q31_t * pBTable,
q31_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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References mult_32x32_keep32_R, multAcc_32x32_keep32_R, and multSub_32x32_keep32_R.

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Referenced by arm_rfft_q31().

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