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diff --git a/CMSIS/Documentation/DSP/html/group___basic_abs.html b/CMSIS/Documentation/DSP/html/group___basic_abs.html new file mode 100644 index 0000000..3fe2979 --- /dev/null +++ b/CMSIS/Documentation/DSP/html/group___basic_abs.html @@ -0,0 +1,334 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> +<meta http-equiv="X-UA-Compatible" content="IE=9"/> +<title>Vector Absolute Value</title> +<title>CMSIS-DSP: Vector Absolute Value</title> +<link href="tabs.css" rel="stylesheet" type="text/css"/> +<link href="cmsis.css" rel="stylesheet" type="text/css" /> +<script type="text/javascript" src="jquery.js"></script> +<script type="text/javascript" src="dynsections.js"></script> +<script type="text/javascript" src="printComponentTabs.js"></script> +<link href="navtree.css" rel="stylesheet" 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class="contents"> +<table class="memberdecls"> +<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> +Functions</h2></td></tr> +<tr class="memitem:ga421b6275f9d35f50286c0ff3beceff02"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga421b6275f9d35f50286c0ff3beceff02">arm_abs_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr> +<tr class="memdesc:ga421b6275f9d35f50286c0ff3beceff02"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point vector absolute value. <a href="#ga421b6275f9d35f50286c0ff3beceff02"></a><br/></td></tr> +<tr class="separator:ga421b6275f9d35f50286c0ff3beceff02"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ga39f92964c9b649ba252e26ebe7b95594"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga39f92964c9b649ba252e26ebe7b95594">arm_abs_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr> +<tr class="memdesc:ga39f92964c9b649ba252e26ebe7b95594"><td class="mdescLeft"> </td><td class="mdescRight">Q15 vector absolute value. <a href="#ga39f92964c9b649ba252e26ebe7b95594"></a><br/></td></tr> +<tr class="separator:ga39f92964c9b649ba252e26ebe7b95594"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ga59eafcdcdb52da60d37f20aec6ff4577"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#ga59eafcdcdb52da60d37f20aec6ff4577">arm_abs_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr> +<tr class="memdesc:ga59eafcdcdb52da60d37f20aec6ff4577"><td class="mdescLeft"> </td><td class="mdescRight">Q31 vector absolute value. <a href="#ga59eafcdcdb52da60d37f20aec6ff4577"></a><br/></td></tr> +<tr class="separator:ga59eafcdcdb52da60d37f20aec6ff4577"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:gadc30985e33fbf96802a5a7954dece3b1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_abs.html#gadc30985e33fbf96802a5a7954dece3b1">arm_abs_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr> +<tr class="memdesc:gadc30985e33fbf96802a5a7954dece3b1"><td class="mdescLeft"> </td><td class="mdescRight">Q7 vector absolute value. <a href="#gadc30985e33fbf96802a5a7954dece3b1"></a><br/></td></tr> +<tr class="separator:gadc30985e33fbf96802a5a7954dece3b1"><td class="memSeparator" colspan="2"> </td></tr> +</table> +<a name="details" id="details"></a><h2 class="groupheader">Description</h2> +<p>Computes the absolute value of a vector on an element-by-element basis.</p> +<pre> + pDst[n] = abs(pSrc[n]), 0 <= n < blockSize. +</pre><p>The functions support in-place computation allowing the source and destination pointers to reference the same memory buffer. There are separate functions for floating-point, Q7, Q15, and Q31 data types. </p> +<h2 class="groupheader">Function Documentation</h2> +<a class="anchor" id="ga421b6275f9d35f50286c0ff3beceff02"></a> +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void arm_abs_f32 </td> + <td>(</td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> + <td class="paramname"><em>pSrc</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> + <td class="paramname"><em>pDst</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">uint32_t </td> + <td class="paramname"><em>blockSize</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> + </table> + </dd> +</dl> +<dl class="section return"><dt>Returns</dt><dd>none. </dd></dl> +<dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_signal_converge_example_f32_8c-example.html#a32">arm_signal_converge_example_f32.c</a>.</dd> +</dl> +<p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p> + +<p>Referenced by <a class="el" href="arm__signal__converge__example__f32_8c.html#a52d2cba30e6946c95578be946ac12a65">main()</a>.</p> + +</div> +</div> +<a class="anchor" id="ga39f92964c9b649ba252e26ebe7b95594"></a> +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void arm_abs_q15 </td> + <td>(</td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> + <td class="paramname"><em>pSrc</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> + <td class="paramname"><em>pDst</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">uint32_t </td> + <td class="paramname"><em>blockSize</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> + </table> + </dd> +</dl> +<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl> +<p><b>Scaling and Overflow Behavior:</b> </p> +<dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF. </dd></dl> + +<p>References <a class="el" href="arm__math_8h.html#a1185d670d798aaf52eec13f0403f3407">__SIMD32_CONST</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p> + +</div> +</div> +<a class="anchor" id="ga59eafcdcdb52da60d37f20aec6ff4577"></a> +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void arm_abs_q31 </td> + <td>(</td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> + <td class="paramname"><em>pSrc</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> + <td class="paramname"><em>pDst</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">uint32_t </td> + <td class="paramname"><em>blockSize</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> + </table> + </dd> +</dl> +<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl> +<p><b>Scaling and Overflow Behavior:</b> </p> +<dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. The Q31 value -1 (0x80000000) will be saturated to the maximum allowable positive value 0x7FFFFFFF. </dd></dl> + +<p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p> + +</div> +</div> +<a class="anchor" id="gadc30985e33fbf96802a5a7954dece3b1"></a> +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void arm_abs_q7 </td> + <td>(</td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td> + <td class="paramname"><em>pSrc</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td> + <td class="paramname"><em>pDst</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">uint32_t </td> + <td class="paramname"><em>blockSize</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> + </table> + </dd> +</dl> +<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl> +<dl class="section user"><dt>Conditions for optimum performance </dt><dd>Input and output buffers should be aligned by 32-bit</dd></dl> +<p><b>Scaling and Overflow Behavior:</b> </p> +<dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. The Q7 value -1 (0x80) will be saturated to the maximum allowable positive value 0x7F. </dd></dl> + +<p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p> + +</div> +</div> +</div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="footer">Generated on Tue Oct 27 2015 14:35:33 for CMSIS-DSP by ARM Ltd. All rights reserved. + <!-- + <a href="http://www.doxygen.org/index.html"> + <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.2 + --> + </li> + </ul> +</div> +</body> +</html> |