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<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.0</span></div>
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<h1>qwt_system_clock.h</h1> </div>
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<div class="contents">
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
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<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
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<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
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<a name="l00005"></a>00005 <span class="comment"> *</span>
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<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
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<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
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<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
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<a name="l00009"></a>00009
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<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_SYSTEM_CLOCK_H</span>
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<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_SYSTEM_CLOCK_H</span>
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<a name="l00012"></a>00012 <span class="preprocessor"></span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
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<a name="l00014"></a>00014
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<a name="l00030"></a><a class="code" href="class_qwt_system_clock.html">00030</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_system_clock.html" title="QwtSystemClock provides high resolution clock time functions.">QwtSystemClock</a>
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<a name="l00031"></a>00031 {
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<a name="l00032"></a>00032 <span class="keyword">public</span>:
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<a name="l00033"></a>00033 <a class="code" href="class_qwt_system_clock.html" title="QwtSystemClock provides high resolution clock time functions.">QwtSystemClock</a>();
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<a name="l00034"></a>00034 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_system_clock.html" title="QwtSystemClock provides high resolution clock time functions.">QwtSystemClock</a>();
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 <span class="keywordtype">void</span> start();
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<a name="l00039"></a>00039 <span class="keywordtype">double</span> restart();
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<a name="l00040"></a>00040 <span class="keywordtype">double</span> elapsed() <span class="keyword">const</span>;
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042 <span class="keyword">static</span> <span class="keywordtype">double</span> precision();
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="keyword">private</span>:
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<a name="l00045"></a>00045 <span class="keyword">class </span>PrivateData;
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<a name="l00046"></a>00046 PrivateData *d_data;
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<a name="l00047"></a>00047 };
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<a name="l00048"></a>00048
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<a name="l00049"></a>00049 <span class="preprocessor">#endif</span>
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