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| author | Ali Labbene <ali.labbene@st.com> | 2019-12-11 08:59:21 +0100 |
|---|---|---|
| committer | Ali Labbene <ali.labbene@st.com> | 2019-12-16 16:35:24 +0100 |
| commit | 9f95ff5b6ba01db09552b84a0ab79607060a2666 (patch) | |
| tree | 8a6e0dda832555c692307869aed49d07ee7facfe /Documentation/DSP/html/group__scale.html | |
| parent | 76177aa280494bb36d7a0bcbda1078d4db717020 (diff) | |
| download | st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.tar.gz st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.tar.bz2 st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.zip | |
Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder.
Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure
used in existing projects, and thus avoid projects mass update
Note: the following components have been removed from ARM original delivery (as not used in ST packages)
- CMSIS_EW2018.pdf
- .gitattributes
- .gitignore
- \Device
- \CMSIS
- \CoreValidation
- \DAP
- \Documentation
- \DoxyGen
- \Driver
- \Pack
- \RTOS\CMSIS_RTOS_Tutorial.pdf
- \RTOS\RTX
- \RTOS\Template
- \RTOS2\RTX
- \Utilities
- All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2
Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
Diffstat (limited to 'Documentation/DSP/html/group__scale.html')
| -rw-r--r-- | Documentation/DSP/html/group__scale.html | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/Documentation/DSP/html/group__scale.html b/Documentation/DSP/html/group__scale.html deleted file mode 100644 index ffb6abe..0000000 --- a/Documentation/DSP/html/group__scale.html +++ /dev/null @@ -1,391 +0,0 @@ -<!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 Scale</title> -<title>CMSIS-DSP: Vector Scale</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" type="text/css"/> -<script type="text/javascript" src="resize.js"></script> -<script type="text/javascript" src="navtree.js"></script> -<script type="text/javascript"> - $(document).ready(initResizable); -</script> -<link href="search/search.css" rel="stylesheet" type="text/css"/> -<script type="text/javascript" src="search/search.js"></script> -<script type="text/javascript"> - $(document).ready(function() { searchBox.OnSelectItem(0); }); -</script> -<link href="stylsheetf" rel="stylesheet" type="text/css" /> -</head> -<body> -<div id="top"><!-- do not remove this div, it is closed by doxygen! --> -<div id="titlearea"> -<table cellspacing="0" cellpadding="0"> - <tbody> - <tr style="height: 46px;"> - <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td> - <td style="padding-left: 0.5em;"> - <div id="projectname">CMSIS-DSP -  <span id="projectnumber">Version 1.4.7</span> - </div> - <div id="projectbrief">CMSIS DSP Software Library</div> - </td> - </tr> - </tbody> -</table> -</div> -<!-- end header part --> -<div id="CMSISnav" class="tabs1"> - <ul class="tablist"> - <script type="text/javascript"> - <!-- - writeComponentTabs.call(this); - //--> - </script> - </ul> -</div> -<!-- Generated by Doxygen 1.8.2 --> -<script type="text/javascript"> -var searchBox = new SearchBox("searchBox", "search",false,'Search'); -</script> - <div id="navrow1" class="tabs"> - <ul class="tablist"> - <li><a href="index.html"><span>Main Page</span></a></li> - <li><a href="pages.html"><span>Usage and Description</span></a></li> - <li><a href="modules.html"><span>Reference</span></a></li> - <li> - <div id="MSearchBox" class="MSearchBoxInactive"> - <span class="left"> - <img id="MSearchSelect" src="search/mag_sel.png" - onmouseover="return searchBox.OnSearchSelectShow()" - onmouseout="return searchBox.OnSearchSelectHide()" - alt=""/> - <input type="text" id="MSearchField" value="Search" accesskey="S" - onfocus="searchBox.OnSearchFieldFocus(true)" - onblur="searchBox.OnSearchFieldFocus(false)" - onkeyup="searchBox.OnSearchFieldChange(event)"/> - </span><span class="right"> - <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> - </span> - </div> - </li> - </ul> - </div> -</div><!-- top --> -<div id="side-nav" class="ui-resizable side-nav-resizable"> - <div id="nav-tree"> - <div id="nav-tree-contents"> - <div id="nav-sync" class="sync"></div> - </div> - </div> - <div id="splitbar" style="-moz-user-select:none;" - class="ui-resizable-handle"> - </div> -</div> -<script type="text/javascript"> -$(document).ready(function(){initNavTree('group__scale.html','');}); -</script> -<div id="doc-content"> -<!-- window showing the filter options --> -<div id="MSearchSelectWindow" - onmouseover="return searchBox.OnSearchSelectShow()" - onmouseout="return searchBox.OnSearchSelectHide()" - onkeydown="return searchBox.OnSearchSelectKey(event)"> -<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Pages</a></div> - -<!-- iframe showing the search results (closed by default) --> -<div id="MSearchResultsWindow"> -<iframe src="javascript:void(0)" frameborder="0" - name="MSearchResults" id="MSearchResults"> -</iframe> -</div> - -<div class="header"> - <div class="summary"> -<a href="#func-members">Functions</a> </div> - <div class="headertitle"> -<div class="title">Vector Scale</div> </div> -<div class="ingroups"><a class="el" href="group__group_math.html">Basic Math Functions</a></div></div><!--header--> -<div 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:ga3487af88b112f682ee90589cd419e123"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__scale.html#ga3487af88b112f682ee90589cd419e123">arm_scale_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> scale, <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:ga3487af88b112f682ee90589cd419e123"><td class="mdescLeft"> </td><td class="mdescRight">Multiplies a floating-point vector by a scalar. <a href="#ga3487af88b112f682ee90589cd419e123"></a><br/></td></tr> -<tr class="separator:ga3487af88b112f682ee90589cd419e123"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:gafaac0e1927daffeb68a42719b53ea780"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__scale.html#gafaac0e1927daffeb68a42719b53ea780">arm_scale_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> scaleFract, int8_t shift, <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:gafaac0e1927daffeb68a42719b53ea780"><td class="mdescLeft"> </td><td class="mdescRight">Multiplies a Q15 vector by a scalar. <a href="#gafaac0e1927daffeb68a42719b53ea780"></a><br/></td></tr> -<tr class="separator:gafaac0e1927daffeb68a42719b53ea780"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga83e36cd82bf51ce35406a199e477d47c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__scale.html#ga83e36cd82bf51ce35406a199e477d47c">arm_scale_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> scaleFract, int8_t shift, <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:ga83e36cd82bf51ce35406a199e477d47c"><td class="mdescLeft"> </td><td class="mdescRight">Multiplies a Q31 vector by a scalar. <a href="#ga83e36cd82bf51ce35406a199e477d47c"></a><br/></td></tr> -<tr class="separator:ga83e36cd82bf51ce35406a199e477d47c"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:gabc9fd3d37904c58df56492b351d21fb0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__scale.html#gabc9fd3d37904c58df56492b351d21fb0">arm_scale_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> scaleFract, int8_t shift, <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:gabc9fd3d37904c58df56492b351d21fb0"><td class="mdescLeft"> </td><td class="mdescRight">Multiplies a Q7 vector by a scalar. <a href="#gabc9fd3d37904c58df56492b351d21fb0"></a><br/></td></tr> -<tr class="separator:gabc9fd3d37904c58df56492b351d21fb0"><td class="memSeparator" colspan="2"> </td></tr> -</table> -<a name="details" id="details"></a><h2 class="groupheader">Description</h2> -<p>Multiply a vector by a scalar value. For floating-point data, the algorithm used is:</p> -<pre> - pDst[n] = pSrc[n] * scale, 0 <= n < blockSize. -</pre><p>In the fixed-point Q7, Q15, and Q31 functions, <code>scale</code> is represented by a fractional multiplication <code>scaleFract</code> and an arithmetic shift <code>shift</code>. The shift allows the gain of the scaling operation to exceed 1.0. The algorithm used with fixed-point data is:</p> -<pre> - pDst[n] = (pSrc[n] * scaleFract) << shift, 0 <= n < blockSize. -</pre><p>The overall scale factor applied to the fixed-point data is </p> -<pre> - scale = scaleFract * 2^shift. -</pre><p>The functions support in-place computation allowing the source and destination pointers to reference the same memory buffer. </p> -<h2 class="groupheader">Function Documentation</h2> -<a class="anchor" id="ga3487af88b112f682ee90589cd419e123"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">void arm_scale_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>scale</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 vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>scale factor to be applied </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the 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_graphic_equalizer_example_q31_8c-example.html#a28">arm_graphic_equalizer_example_q31.c</a>, and <a class="el" href="arm_signal_converge_example_f32_8c-example.html#a30">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="group___d_c_t4___i_d_c_t4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="arm__graphic__equalizer__example__q31_8c.html#a52d2cba30e6946c95578be946ac12a65">main()</a>.</p> - -</div> -</div> -<a class="anchor" id="gafaac0e1927daffeb68a42719b53ea780"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">void arm_scale_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>scaleFract</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">int8_t </td> - <td class="paramname"><em>shift</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 vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">scaleFract</td><td>fractional portion of the scale value </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>number of bits to shift the result by </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the 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 input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.15 format. These are multiplied to yield a 2.30 intermediate result and this is shifted with saturation to 1.15 format. </dd></dl> - -<p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p> - -</div> -</div> -<a class="anchor" id="ga83e36cd82bf51ce35406a199e477d47c"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">void arm_scale_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>scaleFract</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">int8_t </td> - <td class="paramname"><em>shift</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 vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">scaleFract</td><td>fractional portion of the scale value </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>number of bits to shift the result by </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the 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 input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.31 format. These are multiplied to yield a 2.62 intermediate result and this is shifted with saturation to 1.31 format. </dd></dl> -<dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_graphic_equalizer_example_q31_8c-example.html#a24">arm_graphic_equalizer_example_q31.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__graphic__equalizer__example__q31_8c.html#a52d2cba30e6946c95578be946ac12a65">main()</a>.</p> - -</div> -</div> -<a class="anchor" id="gabc9fd3d37904c58df56492b351d21fb0"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">void arm_scale_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>scaleFract</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">int8_t </td> - <td class="paramname"><em>shift</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 vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">scaleFract</td><td>fractional portion of the scale value </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>number of bits to shift the result by </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the 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 input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.7 format. These are multiplied to yield a 2.14 intermediate result and this is shifted with saturation to 1.7 format. </dd></dl> - -<p>References <a class="el" href="arm__math_8h.html#a3ebff224ad44c217fde9f530342e2960">__PACKq7</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <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> |