dengzhihao
/
CMSIS-DSP
0
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
hotfix
gh-pages
main
v1.14.4
v1.14.3
v1.14.2
v1.14.1
v1.14.0
v1.13.0
v1.12.0
v1.11.0
v1.10.1
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '25efe32072'
${ noResults }
CMSIS-DSP/v1.10.1/arm_svm_example_f32_8c-exam...

273 lines
19 KiB
HTML
Raw Blame History

<!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>arm_svm_example_f32.c</title>
<title>CMSIS-DSP: arm_svm_example_f32.c</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="footer.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);
$(window).load(resizeHeight);
</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="../version.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="../version.js"></script>
</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
&#160;<span id="projectnumber" class=""><script type="text/javascript">
<!--
writeHeader.call(this);
writeVersionDropdown(this);
//-->
</script>
</span>
</div>
<div id="projectbrief">CMSIS DSP Software Library</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<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&#160;Page</span></a></li>
<li><a href="pages.html"><span>Usage&#160;and&#160;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('arm_svm_example_f32_8c-example.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">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark">&#160;</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="headertitle">
<div class="title">arm_svm_example_f32.c</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><span class="comment">/* ----------------------------------------------------------------------</span></div>
<div class="line"><span class="comment">* Copyright (C) 2019-2020 ARM Limited. All rights reserved.</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* $Date: 09. December 2019</span></div>
<div class="line"><span class="comment">* $Revision: V1.0.0</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Project: CMSIS DSP Library</span></div>
<div class="line"><span class="comment">* Title: arm_svm_example_f32.c</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Description: Example code demonstrating how to use SVM functions.</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Target Processor: Cortex-M/Cortex-A</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><span class="comment">* modification, are permitted provided that the following conditions</span></div>
<div class="line"><span class="comment">* are met:</span></div>
<div class="line"><span class="comment">* - Redistributions of source code must retain the above copyright</span></div>
<div class="line"><span class="comment">* notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><span class="comment">* - Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><span class="comment">* notice, this list of conditions and the following disclaimer in</span></div>
<div class="line"><span class="comment">* the documentation and/or other materials provided with the</span></div>
<div class="line"><span class="comment">* distribution.</span></div>
<div class="line"><span class="comment">* - Neither the name of ARM LIMITED nor the names of its contributors</span></div>
<div class="line"><span class="comment">* may be used to endorse or promote products derived from this</span></div>
<div class="line"><span class="comment">* software without specific prior written permission.</span></div>
<div class="line"><span class="comment">*</span></div>
<div class="line"><span class="comment">* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><span class="comment">* &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><span class="comment">* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><span class="comment">* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE</span></div>
<div class="line"><span class="comment">* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span></div>
<div class="line"><span class="comment">* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span></div>
<div class="line"><span class="comment">* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
<div class="line"><span class="comment">* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</span></div>
<div class="line"><span class="comment">* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span></div>
<div class="line"><span class="comment">* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN</span></div>
<div class="line"><span class="comment">* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><span class="comment">* POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><span class="comment">* -------------------------------------------------------------------- */</span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#include &lt;math.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="arm__math_8h.html">arm_math.h</a>&quot;</span></div>
<div class="line"></div>
<div class="line"><span class="comment">/* </span></div>
<div class="line"><span class="comment"> The polynomial SVM instance containing all parameters.</span></div>
<div class="line"><span class="comment"> Those parameters can be generated with the python library scikit-learn.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><a name="_a0"></a><a class="code" href="structarm__svm__polynomial__instance__f32.html">arm_svm_polynomial_instance_f32</a> <a name="a1"></a><a class="code" href="arm__svm__example__f32_8c.html#a1510c63c4febec3a2a58a2397e2b738d">params</a>;</div>
<div class="line"></div>
<div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> Parameters generated by a training of the SVM classifier</span></div>
<div class="line"><span class="comment"> using scikit-learn and some random input data.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="preprocessor">#define NB_SUPPORT_VECTORS 11</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> Dimension of the vector space. A vector is your feature.</span></div>
<div class="line"><span class="comment"> It could, for instance, be the pixels of a picture or the FFT of a signal.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="preprocessor">#define VECTOR_DIMENSION 2</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="keyword">const</span> <a class="code" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a name="a2"></a><a class="code" href="arm__svm__example__f32_8c.html#a6bee216b9b7e7b8d18687cd692e26a8a">dualCoefficients</a>[<a name="a3"></a><a class="code" href="arm__svm__example__f32_8c.html#a991d9a139527d1a747541de078ca21c7">NB_SUPPORT_VECTORS</a>]={-0.01628988f, -0.0971605f,</div>
<div class="line"> -0.02707579f, 0.0249406f, 0.00223095f, 0.04117345f,</div>
<div class="line"> 0.0262687f, 0.00800358f, 0.00581823f, 0.02346904f, 0.00862162f}; <span class="comment">/* Dual coefficients */</span></div>
<div class="line"></div>
<div class="line"><span class="keyword">const</span> <a class="code" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a name="a4"></a><a class="code" href="arm__svm__example__f32_8c.html#ac636d66272348052cde1083e5a0c3c60">supportVectors</a>[<a class="code" href="arm__svm__example__f32_8c.html#a991d9a139527d1a747541de078ca21c7">NB_SUPPORT_VECTORS</a>*<a name="a5"></a><a class="code" href="arm__svm__example__f32_8c.html#a98d2e2076140b796ee1cb5f3e77248a7">VECTOR_DIMENSION</a>]={ 1.2510991f, 0.47782799f,</div>
<div class="line"> -0.32711859f, -1.49880648f, -0.08905047f, 1.31907242f,</div>
<div class="line"> 1.14059333f, 2.63443767f, -2.62561524f, 1.02120701f,</div>
<div class="line"> -1.2361353f, -2.53145187f,</div>
<div class="line"> 2.28308122f, -1.58185875f, 2.73955981f, 0.35759327f,</div>
<div class="line"> 0.56662986f, 2.79702016f,</div>
<div class="line"> -2.51380816f, 1.29295364f, -0.56658669f, -2.81944734f}; <span class="comment">/* Support vectors */</span></div>
<div class="line"></div>
<div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> Class A is identified with value 0.</span></div>
<div class="line"><span class="comment"> Class B is identified with value 1.</span></div>
<div class="line"><span class="comment"> </span></div>
<div class="line"><span class="comment"> This array is used by the SVM functions to do a conversion and ease the comparison</span></div>
<div class="line"><span class="comment"> with the Python code where different values could be used.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="keyword">const</span> int32_t <a name="a6"></a><a class="code" href="arm__svm__example__f32_8c.html#ae76f66a144055c576e6895e411417b63">classes</a>[2]={0,1};</div>
<div class="line"></div>
<div class="line"></div>
<div class="line">int32_t <a name="a7"></a><a class="code" href="arm__svm__example__f32_8c.html#a52d2cba30e6946c95578be946ac12a65">main</a>(<span class="keywordtype">void</span>)</div>
<div class="line">{</div>
<div class="line"> <span class="comment">/* Array of input data */</span></div>
<div class="line"> <a class="code" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> in[<a class="code" href="arm__svm__example__f32_8c.html#a98d2e2076140b796ee1cb5f3e77248a7">VECTOR_DIMENSION</a>];</div>
<div class="line"></div>
<div class="line"> <span class="comment">/* Result of the classifier */</span></div>
<div class="line"> int32_t result;</div>
<div class="line"> </div>
<div class="line"></div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> Initialization of the SVM instance parameters.</span></div>
<div class="line"><span class="comment"> Additional parameters (intercept, degree, coef0 and gamma) are also coming from Python.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> <a name="a8"></a><a class="code" href="group__polysvm.html#gad004464aae8fdecfc985a02a0de6b0af">arm_svm_polynomial_init_f32</a>(&amp;params,</div>
<div class="line"> <a class="code" href="arm__svm__example__f32_8c.html#a991d9a139527d1a747541de078ca21c7">NB_SUPPORT_VECTORS</a>,</div>
<div class="line"> <a class="code" href="arm__svm__example__f32_8c.html#a98d2e2076140b796ee1cb5f3e77248a7">VECTOR_DIMENSION</a>,</div>
<div class="line"> -1.661719f, <span class="comment">/* Intercept */</span></div>
<div class="line"> <a class="code" href="arm__svm__example__f32_8c.html#a6bee216b9b7e7b8d18687cd692e26a8a">dualCoefficients</a>,</div>
<div class="line"> <a class="code" href="arm__svm__example__f32_8c.html#ac636d66272348052cde1083e5a0c3c60">supportVectors</a>,</div>
<div class="line"> <a class="code" href="arm__svm__example__f32_8c.html#ae76f66a144055c576e6895e411417b63">classes</a>,</div>
<div class="line"> 3, <span class="comment">/* degree */</span></div>
<div class="line"> 1.100000f, <span class="comment">/* Coef0 */</span></div>
<div class="line"> 0.500000f <span class="comment">/* Gamma */</span></div>
<div class="line"> );</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> Input data.</span></div>
<div class="line"><span class="comment"> It is corresponding to a point inside the first class.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> in[0] = 0.4f;</div>
<div class="line"> in[1] = 0.1f;</div>
<div class="line"></div>
<div class="line"> <a name="a9"></a><a class="code" href="group__polysvm.html#ga5719f32544ecc1b568aaba7f5d237df8">arm_svm_polynomial_predict_f32</a>(&amp;params, in, &amp;result);</div>
<div class="line"></div>
<div class="line"> <span class="comment">/* Result should be 0 : First class */</span></div>
<div class="line"><span class="preprocessor">#if defined(SEMIHOSTING)</span></div>
<div class="line"><span class="preprocessor"></span> printf(<span class="stringliteral">&quot;Result = %d\n&quot;</span>, result);</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> This input vector is corresponding to a point inside the second class.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> in[0] = 3.0f;</div>
<div class="line"> in[1] = 0.0f;</div>
<div class="line"></div>
<div class="line"> <a class="code" href="group__polysvm.html#ga5719f32544ecc1b568aaba7f5d237df8">arm_svm_polynomial_predict_f32</a>(&amp;params, in, &amp;result);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* Result should be 1 : Second class */</span></div>
<div class="line"><span class="preprocessor">#if defined(SEMIHOSTING)</span></div>
<div class="line"><span class="preprocessor"></span> printf(<span class="stringliteral">&quot;Result = %d\n&quot;</span>, result);</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="preprocessor">#if !defined(SEMIHOSTING)</span></div>
<div class="line"><span class="preprocessor"></span> <span class="keywordflow">while</span> (1); <span class="comment">/* main function does not return */</span></div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span>}</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
</div><!-- fragment --> </div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">
<script type="text/javascript">
<!--
writeFooter.call(this);
//-->
</script>
</li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink