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<div class="title">BMFS.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2017-, California Institute of Technology ("Caltech"). U.S.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Government sponsorship acknowledged.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// </span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Author(s):</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// </span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// file BMFS.h -- Basic Math FunctionS </span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// author Xiaoqing Wu</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <math.h></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "Point.h"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> i_pow(<span class="keywordtype">int</span> base, <span class="keywordtype">int</span> power);</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keywordtype">int</span> i_fftlength(<span class="keywordtype">int</span> nr_pixels);</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keywordtype">int</span> nint(<span class="keywordtype">float</span> val); <span class="comment">// nearest integer</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keywordtype">int</span> nint(<span class="keywordtype">double</span> val); <span class="comment">// nearest integer</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keywordtype">int</span> nint(<span class="keywordtype">long</span> <span class="keywordtype">double</span> val); <span class="comment">// nearest integer</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keywordtype">int</span> i_floor(<span class="keywordtype">double</span> val); <span class="comment">// floor integer</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keywordtype">double</span> square(<span class="keywordtype">double</span> x); <span class="comment">// return x*x</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keywordtype">double</span> cube(<span class="keywordtype">double</span> x); <span class="comment">// return x*x*x</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keywordtype">int</span> i_max(<span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b);</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keywordtype">int</span> i_min(<span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b);</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">double</span> d_max(<span class="keywordtype">double</span> d_a, <span class="keywordtype">double</span> d_b);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keywordtype">double</span> d_min(<span class="keywordtype">double</span> d_a, <span class="keywordtype">double</span> d_b);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <a class="code" href="classD2point.html">D2point</a> mean_std(<span class="keywordtype">int</span> items, <span class="keywordtype">double</span> *input);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keywordtype">void</span> moving_window_average(<span class="keywordtype">int</span> items, <span class="keywordtype">double</span> *input, <span class="keywordtype">int</span> window_length, <span class="keywordtype">double</span> ped = 0.08); <span class="comment">// ped: 1 for uniform; 0.5 Hanning; 0.08</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">//double *moving_window_average(int items, double *input, int window_length);</span></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> <span class="keywordtype">double</span> *standard_deviation(<span class="keywordtype">int</span> items, <span class="keywordtype">double</span> *input, <span class="keywordtype">int</span> window_length, <span class="keywordtype">double</span> *mean = NULL);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">double</span> sinc(<span class="keywordtype">double</span> x);</div>
<div class="ttc" id="classD2point_html"><div class="ttname"><a href="classD2point.html">D2point</a></div><div class="ttdef"><b>Definition:</b> Point.h:387</div></div>
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