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author Adam Stark <adamstark.uk@gmail.com>
date Fri, 18 Aug 2023 10:48:26 +0200
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76 <div class="headertitle"><div class="title">CircularBuffer.h</div></div>
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79 <a href="_circular_buffer_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//=======================================================================</span></div>
80 <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"></span><span class="comment">//=======================================================================</span></div>
81 <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
82 <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#ifndef CircularBuffer_h</span></div>
83 <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#define CircularBuffer_h</span></div>
84 <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
85 <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
86 <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
87 <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">//=======================================================================</span></div>
88 <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="class_circular_buffer.html"> 33</a></span><span class="comment"></span><span class="keyword">class </span><a class="code hl_class" href="class_circular_buffer.html">CircularBuffer</a></div>
89 <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>{</div>
90 <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">public</span>:</div>
91 <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
92 <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="class_circular_buffer.html#a8c5de0e610bb50bac684f4707e23431c"> 38</a></span> <a class="code hl_function" href="class_circular_buffer.html#a8c5de0e610bb50bac684f4707e23431c">CircularBuffer</a>()</div>
93 <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> : writeIndex (0)</div>
94 <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> {</div>
95 <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
96 <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> }</div>
97 <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
98 <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="class_circular_buffer.html#a5b0c486a7eb76bae0d1a0d6e459d0f5a"> 45</a></span> <span class="keywordtype">double</span> &amp;<a class="code hl_function" href="class_circular_buffer.html#a5b0c486a7eb76bae0d1a0d6e459d0f5a">operator[] </a>(<span class="keywordtype">int</span> i)</div>
99 <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> {</div>
100 <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordtype">int</span> index = (i + writeIndex) % buffer.size();</div>
101 <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span> buffer[index];</div>
102 <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
103 <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
104 <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="class_circular_buffer.html#a8e6fa8bf39215a466876a7a2daa1ce22"> 52</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_circular_buffer.html#a8e6fa8bf39215a466876a7a2daa1ce22">addSampleToEnd</a> (<span class="keywordtype">double</span> v)</div>
105 <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> {</div>
106 <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> buffer[writeIndex] = v;</div>
107 <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> writeIndex = (writeIndex + 1) % buffer.size();</div>
108 <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> }</div>
109 <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
110 <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="class_circular_buffer.html#a09d74c64e5e9e0ee13c84663ba9523ea"> 59</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="class_circular_buffer.html#a09d74c64e5e9e0ee13c84663ba9523ea">resize</a> (<span class="keywordtype">int</span> <a class="code hl_function" href="class_circular_buffer.html#ad452b3b0f7703927ce1f3befd8f7512f">size</a>)</div>
111 <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> {</div>
112 <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> buffer.resize (<a class="code hl_function" href="class_circular_buffer.html#ad452b3b0f7703927ce1f3befd8f7512f">size</a>);</div>
113 <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> std::fill (buffer.begin(), buffer.end(), 0.0);</div>
114 <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> writeIndex = 0;</div>
115 <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> }</div>
116 <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
117 <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="class_circular_buffer.html#ad452b3b0f7703927ce1f3befd8f7512f"> 67</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="class_circular_buffer.html#ad452b3b0f7703927ce1f3befd8f7512f">size</a>()</div>
118 <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> {</div>
119 <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span> (buffer.size());</div>
120 <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
121 <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
122 <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">private</span>:</div>
123 <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
124 <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> std::vector&lt;double&gt; buffer;</div>
125 <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordtype">int</span> writeIndex;</div>
126 <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>};</div>
127 <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
128 <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="preprocessor">#endif </span><span class="comment">/* CircularBuffer_hpp */</span><span class="preprocessor"></span></div>
129 <div class="ttc" id="aclass_circular_buffer_html"><div class="ttname"><a href="class_circular_buffer.html">CircularBuffer</a></div><div class="ttdef"><b>Definition</b> CircularBuffer.h:34</div></div>
130 <div class="ttc" id="aclass_circular_buffer_html_a09d74c64e5e9e0ee13c84663ba9523ea"><div class="ttname"><a href="class_circular_buffer.html#a09d74c64e5e9e0ee13c84663ba9523ea">CircularBuffer::resize</a></div><div class="ttdeci">void resize(int size)</div><div class="ttdef"><b>Definition</b> CircularBuffer.h:59</div></div>
131 <div class="ttc" id="aclass_circular_buffer_html_a5b0c486a7eb76bae0d1a0d6e459d0f5a"><div class="ttname"><a href="class_circular_buffer.html#a5b0c486a7eb76bae0d1a0d6e459d0f5a">CircularBuffer::operator[]</a></div><div class="ttdeci">double &amp; operator[](int i)</div><div class="ttdef"><b>Definition</b> CircularBuffer.h:45</div></div>
132 <div class="ttc" id="aclass_circular_buffer_html_a8c5de0e610bb50bac684f4707e23431c"><div class="ttname"><a href="class_circular_buffer.html#a8c5de0e610bb50bac684f4707e23431c">CircularBuffer::CircularBuffer</a></div><div class="ttdeci">CircularBuffer()</div><div class="ttdef"><b>Definition</b> CircularBuffer.h:38</div></div>
133 <div class="ttc" id="aclass_circular_buffer_html_a8e6fa8bf39215a466876a7a2daa1ce22"><div class="ttname"><a href="class_circular_buffer.html#a8e6fa8bf39215a466876a7a2daa1ce22">CircularBuffer::addSampleToEnd</a></div><div class="ttdeci">void addSampleToEnd(double v)</div><div class="ttdef"><b>Definition</b> CircularBuffer.h:52</div></div>
134 <div class="ttc" id="aclass_circular_buffer_html_ad452b3b0f7703927ce1f3befd8f7512f"><div class="ttname"><a href="class_circular_buffer.html#ad452b3b0f7703927ce1f3befd8f7512f">CircularBuffer::size</a></div><div class="ttdeci">int size()</div><div class="ttdef"><b>Definition</b> CircularBuffer.h:67</div></div>
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