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<div class="title">arm_bitreversal.c File Reference</div> </div>
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<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__bitreversal_8c.html#a3d4062fdfa6aaa3f51f41cab868e508b">arm_bitreversal_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint16_t <a class="el" href="arm__fft__bin__example__f32_8c.html#a9b500899c581f6df3ffc0a9f3a9ef6aa">fftSize</a>, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">In-place bit reversal function. <a href="#a3d4062fdfa6aaa3f51f41cab868e508b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__bitreversal_8c.html#a27618705158b5c42db5fb0a381f8efc1">arm_bitreversal_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTable)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">In-place bit reversal function. <a href="#a27618705158b5c42db5fb0a381f8efc1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__bitreversal_8c.html#a12a07b49948c354172ae07358309a4a5">arm_bitreversal_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc16, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">In-place bit reversal function. <a href="#a12a07b49948c354172ae07358309a4a5"></a><br/></td></tr>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a3d4062fdfa6aaa3f51f41cab868e508b"></a><!-- doxytag: member="arm_bitreversal.c::arm_bitreversal_f32" ref="a3d4062fdfa6aaa3f51f41cab868e508b" args="(float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, uint16_t *pBitRevTab)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void arm_bitreversal_f32 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>fftSize</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>bitRevFactor</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t *&#160;</td>
<td class="paramname"><em>pBitRevTab</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc</td><td>points to the in-place buffer of floating-point data type. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">fftSize</td><td>length of the FFT. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">bitRevFactor</td><td>bit reversal modifier that supports different size FFTs with the same bit reversal table. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">*pBitRevTab</td><td>points to the bit reversal table. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
<p>Referenced by <a class="el" href="group___radix2___c_f_f_t___c_i_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, <a class="el" href="group___radix4___c_f_f_t___c_i_f_f_t.html#ga521f670cd9c571bc61aff9bec89f4c26">arm_cfft_radix4_f32()</a>, and <a class="el" href="group___r_f_f_t___r_i_f_f_t.html#ga3df1766d230532bc068fc4ed69d0fcdc">arm_rfft_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="a12a07b49948c354172ae07358309a4a5"></a><!-- doxytag: member="arm_bitreversal.c::arm_bitreversal_q15" ref="a12a07b49948c354172ae07358309a4a5" args="(q15_t *pSrc16, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)" -->
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<td class="memname">void arm_bitreversal_q15 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>fftLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>bitRevFactor</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t *&#160;</td>
<td class="paramname"><em>pBitRevTab</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc</td><td>points to the in-place buffer of Q15 data type. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of the FFT. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">bitRevFactor</td><td>bit reversal modifier that supports different size FFTs with the same bit reversal table </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">*pBitRevTab</td><td>points to bit reversal table. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
<p>Referenced by <a class="el" href="group___radix2___c_f_f_t___c_i_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>, <a class="el" href="group___radix4___c_f_f_t___c_i_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>, and <a class="el" href="group___r_f_f_t___r_i_f_f_t.html#ga00e615f5db21736ad5b27fb6146f3fc5">arm_rfft_q15()</a>.</p>
</div>
</div>
<a class="anchor" id="a27618705158b5c42db5fb0a381f8efc1"></a><!-- doxytag: member="arm_bitreversal.c::arm_bitreversal_q31" ref="a27618705158b5c42db5fb0a381f8efc1" args="(q31_t *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTable)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void arm_bitreversal_q31 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>fftLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>bitRevFactor</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t *&#160;</td>
<td class="paramname"><em>pBitRevTab</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc</td><td>points to the in-place buffer of Q31 data type. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of the FFT. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">bitRevFactor</td><td>bit reversal modifier that supports different size FFTs with the same bit reversal table </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">*pBitRevTab</td><td>points to bit reversal table. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
<p>Referenced by <a class="el" href="group___radix2___c_f_f_t___c_i_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>, <a class="el" href="group___radix4___c_f_f_t___c_i_f_f_t.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>, and <a class="el" href="group___r_f_f_t___r_i_f_f_t.html#gabaeab5646aeea9844e6d42ca8c73fe3a">arm_rfft_q31()</a>.</p>
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