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302 lines
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a72350c6eaa1eef8796ab43c1497c6b9c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__f32_8c.html#a72350c6eaa1eef8796ab43c1497c6b9c">arm_radix8_butterfly_f32</a> (<a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint16_t fftLen, const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCoef, uint16_t twidCoefModifier)</td></tr>
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<tr class="separator:a72350c6eaa1eef8796ab43c1497c6b9c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac8e7ebe1cb131a5b0f55d0464640591f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__f32_8c.html#ac8e7ebe1cb131a5b0f55d0464640591f">arm_bitreversal_32</a> (uint32_t *pSrc, const uint16_t bitRevLen, const uint16_t *pBitRevTable)</td></tr>
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<tr class="memdesc:ac8e7ebe1cb131a5b0f55d0464640591f"><td class="mdescLeft"> </td><td class="mdescRight">In-place 32 bit reversal function. <a href="arm__cfft__f32_8c.html#ac8e7ebe1cb131a5b0f55d0464640591f">More...</a><br /></td></tr>
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<tr class="separator:ac8e7ebe1cb131a5b0f55d0464640591f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae99e2b173033e9910058869bdf0619d9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__f32_8c.html#ae99e2b173033e9910058869bdf0619d9">arm_cfft_radix8by2_f32</a> (<a class="el" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> *S, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p1)</td></tr>
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<tr class="separator:ae99e2b173033e9910058869bdf0619d9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4bb346f59bca06cebe0defc8e15b69a6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__f32_8c.html#a4bb346f59bca06cebe0defc8e15b69a6">arm_cfft_radix8by4_f32</a> (<a class="el" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> *S, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p1)</td></tr>
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<tr class="separator:a4bb346f59bca06cebe0defc8e15b69a6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gade0f9c4ff157b6b9c72a1eafd86ebf80"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ComplexFFT.html#gade0f9c4ff157b6b9c72a1eafd86ebf80">arm_cfft_f32</a> (const <a class="el" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> *S, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p1, uint8_t <a class="el" href="arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>, uint8_t bitReverseFlag)</td></tr>
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<tr class="memdesc:gade0f9c4ff157b6b9c72a1eafd86ebf80"><td class="mdescLeft"> </td><td class="mdescRight">Processing function for the floating-point complex FFT. <a href="group__ComplexFFT.html#gade0f9c4ff157b6b9c72a1eafd86ebf80">More...</a><br /></td></tr>
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<tr class="separator:gade0f9c4ff157b6b9c72a1eafd86ebf80"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ac8e7ebe1cb131a5b0f55d0464640591f" name="ac8e7ebe1cb131a5b0f55d0464640591f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ac8e7ebe1cb131a5b0f55d0464640591f">◆ </a></span>arm_bitreversal_32()</h2>
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<td class="memname">void arm_bitreversal_32 </td>
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<td>(</td>
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<td class="paramtype">uint32_t * </td>
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<td class="paramname"><em>pSrc</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const uint16_t </td>
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<td class="paramname"><em>bitRevLen</em>, </td>
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<td class="paramtype">const uint16_t * </td>
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<td class="paramname"><em>pBitRevTab</em> </td>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in,out]</td><td class="paramname">pSrc</td><td>points to in-place buffer of unknown 32-bit data type </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">bitRevLen</td><td>bit reversal table length </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">pBitRevTab</td><td>points to bit reversal table </td></tr>
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</table>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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</div>
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<a id="ae99e2b173033e9910058869bdf0619d9" name="ae99e2b173033e9910058869bdf0619d9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae99e2b173033e9910058869bdf0619d9">◆ </a></span>arm_cfft_radix8by2_f32()</h2>
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<td class="memname">void arm_cfft_radix8by2_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> * </td>
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<td class="paramname"><em>S</em>, </td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>p1</em> </td>
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<a id="a4bb346f59bca06cebe0defc8e15b69a6" name="a4bb346f59bca06cebe0defc8e15b69a6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a4bb346f59bca06cebe0defc8e15b69a6">◆ </a></span>arm_cfft_radix8by4_f32()</h2>
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<td class="memname">void arm_cfft_radix8by4_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> * </td>
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<td class="paramname"><em>S</em>, </td>
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<td class="paramtype"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>p1</em> </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a72350c6eaa1eef8796ab43c1497c6b9c">◆ </a></span>arm_radix8_butterfly_f32()</h2>
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<td class="memname">void arm_radix8_butterfly_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pSrc</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t </td>
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<td class="paramname"><em>fftLen</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pCoef</em>, </td>
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<td class="paramtype">uint16_t </td>
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<td class="paramname"><em>twidCoefModifier</em> </td>
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<p >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 </p>
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