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<title>CMU462 Library: /Users/Sky/Dropbox/Projects/CMU462/private/p3/CMU462/include/CMU462/timer.h Source File</title>
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<div id="projectname">CMU462 Library
 <span id="projectnumber">1.0</span>
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<div id="projectbrief">15-462/15-662: Computer Graphics (Fall 2015)</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_93cde9e1f49b119e2b24d2ae2dcc682a.html">CMU462</a></li> </ul>
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<div class="title">timer.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef CMU462_TIMER_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define CMU462_TIMER_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "CMU462.h"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <chrono></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="keyword">namespace </span><a class="code" href="namespace_c_m_u462.html">CMU462</a> {</div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_timer.html"> 12</a></span> <span class="keyword">class </span><a class="code" href="class_c_m_u462_1_1_timer.html">Timer</a> {</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_timer.html#af1ce06f7092988480ee89f0cccf62a9a"> 18</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_timer.html#af1ce06f7092988480ee89f0cccf62a9a">start</a>() {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  t0 = std::chrono::steady_clock::now();</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  }</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_timer.html#a367ad2569ce28e00aa0ecd4f9cc29767"> 25</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_timer.html#a367ad2569ce28e00aa0ecd4f9cc29767">stop</a>() {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  t1 = std::chrono::steady_clock::now();</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_timer.html#a40258919a91465b46cf68f07fdfe0fc5"> 32</a></span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_c_m_u462_1_1_timer.html#a40258919a91465b46cf68f07fdfe0fc5">duration</a>() {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> (std::chrono::duration<double>(t1 - t0)).count();</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  std::chrono::time_point<std::chrono::steady_clock> t0;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  std::chrono::time_point<std::chrono::steady_clock> t1;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> };</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <span class="comment">// namespace CMU462</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif //CMU462_TIMER_H</span></div>
<div class="ttc" id="namespace_c_m_u462_html"><div class="ttname"><a href="namespace_c_m_u462.html">CMU462</a></div><div class="ttdef"><b>Definition:</b> CMU462.h:8</div></div>
<div class="ttc" id="class_c_m_u462_1_1_timer_html_a40258919a91465b46cf68f07fdfe0fc5"><div class="ttname"><a href="class_c_m_u462_1_1_timer.html#a40258919a91465b46cf68f07fdfe0fc5">CMU462::Timer::duration</a></div><div class="ttdeci">double duration()</div><div class="ttdoc">Return duration between the last call to start and last call to stop. </div><div class="ttdef"><b>Definition:</b> timer.h:32</div></div>
<div class="ttc" id="class_c_m_u462_1_1_timer_html_a367ad2569ce28e00aa0ecd4f9cc29767"><div class="ttname"><a href="class_c_m_u462_1_1_timer.html#a367ad2569ce28e00aa0ecd4f9cc29767">CMU462::Timer::stop</a></div><div class="ttdeci">void stop()</div><div class="ttdoc">Stops the timer. </div><div class="ttdef"><b>Definition:</b> timer.h:25</div></div>
<div class="ttc" id="class_c_m_u462_1_1_timer_html_af1ce06f7092988480ee89f0cccf62a9a"><div class="ttname"><a href="class_c_m_u462_1_1_timer.html#af1ce06f7092988480ee89f0cccf62a9a">CMU462::Timer::start</a></div><div class="ttdeci">void start()</div><div class="ttdoc">Starts the timer. </div><div class="ttdef"><b>Definition:</b> timer.h:18</div></div>
<div class="ttc" id="class_c_m_u462_1_1_timer_html"><div class="ttname"><a href="class_c_m_u462_1_1_timer.html">CMU462::Timer</a></div><div class="ttdoc">A basic timer class. </div><div class="ttdef"><b>Definition:</b> timer.h:12</div></div>
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