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216 lines
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<div class="title">opj_intmath.h</div> </div>
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<div class="contents">
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<a href="opj__intmath_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * The copyright in this software is being made available under the 2-clauses </span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * BSD License, included below. This software may be subject to other third </span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * party and contributor rights, including patent rights, and no such rights</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * are granted under this license.</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (c) 2002-2014, Professor Benoit Macq</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2001-2003, David Janssens</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Copyright (c) 2002-2003, Yannick Verschueren</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Copyright (c) 2003-2007, Francois-Olivier Devaux </span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Copyright (c) 2003-2014, Antonin Descampe</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Copyright (c) 2005, Herve Drolon, FreeImage Team</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * All rights reserved.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * are met:</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * documentation and/or other materials provided with the distribution.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifndef __INT_H</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define __INT_H</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/* ----------------------------------------------------------------------- */</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gaac315c40dca690742df538fcc21d4f91"> 56</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gaac315c40dca690742df538fcc21d4f91">opj_int_min</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> a < b ? a : b;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#ga06c1c4470f9765a3ed04963b0daa111a"> 64</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#ga06c1c4470f9765a3ed04963b0daa111a">opj_uint_min</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a, <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> b) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> a < b ? a : b;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#ga2f7d5c3934ee6be38763652b7f80ea6c"> 72</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#ga2f7d5c3934ee6be38763652b7f80ea6c">opj_int_max</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> (a > b) ? a : b;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#ga2c3eb35fddab83fef25256485b926fc0"> 80</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#ga2c3eb35fddab83fef25256485b926fc0">opj_uint_max</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a, <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> b) {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> (a > b) ? a : b;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gab9aad885f5c9bc9e39420003b2b32fe5"> 88</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gab9aad885f5c9bc9e39420003b2b32fe5">opj_uint_adds</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a, <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> b) {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="openjpeg_8h.html#ad915cf26c4c9cc10a75b2d9287dbbb5e">OPJ_UINT64</a> sum = (<a class="code" href="openjpeg_8h.html#ad915cf26c4c9cc10a75b2d9287dbbb5e">OPJ_UINT64</a>)a + (<a class="code" href="openjpeg_8h.html#ad915cf26c4c9cc10a75b2d9287dbbb5e">OPJ_UINT64</a>)b;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> -(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a>)(sum >> 32) | (<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a>)sum;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gaefb4572107a9aea093be96d966869a0d"> 102</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gaefb4572107a9aea093be96d966869a0d">opj_int_clamp</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="index__manager_8c.html#ac1d9c713f42b405f9e353ec99b880755">min</a>, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="index__manager_8c.html#aecefdbf80129b12f2ef66ccfbedbb7fe">max</a>) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (a < min)</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> <a class="code" href="index__manager_8c.html#ac1d9c713f42b405f9e353ec99b880755">min</a>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (a > max)</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> <a class="code" href="index__manager_8c.html#aecefdbf80129b12f2ef66ccfbedbb7fe">max</a>;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> a;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gacaef279a9031adbd9319990646328a01"> 112</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gacaef279a9031adbd9319990646328a01">opj_int_abs</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> a < 0 ? -a : a;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gab00a7c3619b5af7595961047baff120e"> 119</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gab00a7c3619b5af7595961047baff120e">opj_int_ceildiv</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  assert(b);</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> (a + b - 1) / b;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gae4b2e5a7c8b8f09faacc4a895f866ea1"> 128</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gae4b2e5a7c8b8f09faacc4a895f866ea1">opj_uint_ceildiv</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a, <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> b) {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  assert(b);</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> (a + b - 1) / b;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gaaa1e441dec325d33ccd86aa7ca8ccfdc"> 137</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gaaa1e441dec325d33ccd86aa7ca8ccfdc">opj_int_ceildivpow2</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> (<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a>)((a + (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)(1 << b) - 1) >> b);</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gae592eb75f221decddec51834b6c4177d"> 145</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gae592eb75f221decddec51834b6c4177d">opj_uint_ceildivpow2</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a, <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> b) {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> (<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a>)((a + (<a class="code" href="openjpeg_8h.html#ad915cf26c4c9cc10a75b2d9287dbbb5e">OPJ_UINT64</a>)(1U << b) - 1U) >> b);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> }</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gabdf6c78f5b60afd230901e5e0c57f491"> 153</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gabdf6c78f5b60afd230901e5e0c57f491">opj_int_floordivpow2</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> a >> b;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gaa6a55d57af96308459f6de414227ae40"> 160</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gaa6a55d57af96308459f6de414227ae40">opj_int_floorlog2</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a) {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> l;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">for</span> (l = 0; a > 1; l++) {</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  a >>= 1;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> l;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#ga91ef25eaa56320684de5d1e3a4097823"> 171</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#ga91ef25eaa56320684de5d1e3a4097823">opj_uint_floorlog2</a>(<a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> a) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a> l;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">for</span> (l = 0; a > 1; ++l)</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  a >>= 1;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> l;</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
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<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#gaa2130d6482126a20e6680f82b254857b"> 186</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#gaa2130d6482126a20e6680f82b254857b">opj_int_fix_mul</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a> temp = (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>) a * (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>) b ;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  temp += 4096;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  assert((temp >> 13) <= (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)0x7FFFFFFF);</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  assert((temp >> 13) >= (-(<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)0x7FFFFFFF - (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)1));</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> (<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a>) (temp >> 13);</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
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<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="group___o_p_j___i_n_t_m_a_t_h.html#ga5ce489e764483d741e8953475341ba14"> 194</a></span> <span class="keyword">static</span> <a class="code" href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a> <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> <a class="code" href="group___o_p_j___i_n_t_m_a_t_h.html#ga5ce489e764483d741e8953475341ba14">opj_int_fix_mul_t1</a>(<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> a, <a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a> b) {</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a> temp = (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>) a * (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>) b ;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  temp += 4096;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  assert((temp >> (13 + 11 - <a class="code" href="group___t1.html#ga46ab5a09928a8d3872a6128d5aa80ca1">T1_NMSEDEC_FRACBITS</a>)) <= (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)0x7FFFFFFF);</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  assert((temp >> (13 + 11 - <a class="code" href="group___t1.html#ga46ab5a09928a8d3872a6128d5aa80ca1">T1_NMSEDEC_FRACBITS</a>)) >= (-(<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)0x7FFFFFFF - (<a class="code" href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a>)1));</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> (<a class="code" href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a>) (temp >> (13 + 11 - <a class="code" href="group___t1.html#ga46ab5a09928a8d3872a6128d5aa80ca1">T1_NMSEDEC_FRACBITS</a>)) ;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment">/* ----------------------------------------------------------------------- */</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_ga5ce489e764483d741e8953475341ba14"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#ga5ce489e764483d741e8953475341ba14">opj_int_fix_mul_t1</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_fix_mul_t1(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdef"><b>Definition:</b> opj_intmath.h:194</div></div>
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<div class="ttc" id="index__manager_8c_html_ac1d9c713f42b405f9e353ec99b880755"><div class="ttname"><a href="index__manager_8c.html#ac1d9c713f42b405f9e353ec99b880755">min</a></div><div class="ttdeci">Byte4_t min(Byte4_t n1, Byte4_t n2)</div><div class="ttdef"><b>Definition:</b> index_manager.c:717</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gaac315c40dca690742df538fcc21d4f91"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gaac315c40dca690742df538fcc21d4f91">opj_int_min</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_min(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Get the minimum of two integers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:56</div></div>
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<div class="ttc" id="index__manager_8c_html_aecefdbf80129b12f2ef66ccfbedbb7fe"><div class="ttname"><a href="index__manager_8c.html#aecefdbf80129b12f2ef66ccfbedbb7fe">max</a></div><div class="ttdeci">Byte4_t max(Byte4_t n1, Byte4_t n2)</div><div class="ttdef"><b>Definition:</b> index_manager.c:709</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gabdf6c78f5b60afd230901e5e0c57f491"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gabdf6c78f5b60afd230901e5e0c57f491">opj_int_floordivpow2</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_floordivpow2(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Divide an integer by a power of 2 and round downwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:153</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gae4b2e5a7c8b8f09faacc4a895f866ea1"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gae4b2e5a7c8b8f09faacc4a895f866ea1">opj_uint_ceildiv</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_ceildiv(OPJ_UINT32 a, OPJ_UINT32 b)</div><div class="ttdoc">Divide an integer and round upwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:128</div></div>
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<div class="ttc" id="openjpeg_8h_html_a3cec91ef9e73677f0dbd60d4e42401b9"><div class="ttname"><a href="openjpeg_8h.html#a3cec91ef9e73677f0dbd60d4e42401b9">OPJ_INT32</a></div><div class="ttdeci">int32_t OPJ_INT32</div><div class="ttdef"><b>Definition:</b> openjpeg.h:125</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gaaa1e441dec325d33ccd86aa7ca8ccfdc"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gaaa1e441dec325d33ccd86aa7ca8ccfdc">opj_int_ceildivpow2</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_ceildivpow2(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Divide an integer by a power of 2 and round upwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:137</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_ga06c1c4470f9765a3ed04963b0daa111a"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#ga06c1c4470f9765a3ed04963b0daa111a">opj_uint_min</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_min(OPJ_UINT32 a, OPJ_UINT32 b)</div><div class="ttdoc">Get the minimum of two integers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:64</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gaa6a55d57af96308459f6de414227ae40"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gaa6a55d57af96308459f6de414227ae40">opj_int_floorlog2</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_floorlog2(OPJ_INT32 a)</div><div class="ttdoc">Get logarithm of an integer and round downwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:160</div></div>
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<div class="ttc" id="openjpeg_8h_html_ad915cf26c4c9cc10a75b2d9287dbbb5e"><div class="ttname"><a href="openjpeg_8h.html#ad915cf26c4c9cc10a75b2d9287dbbb5e">OPJ_UINT64</a></div><div class="ttdeci">uint64_t OPJ_UINT64</div><div class="ttdef"><b>Definition:</b> openjpeg.h:128</div></div>
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<div class="ttc" id="openjpeg_8h_html_a2eb6f9e0395b47b8d5e3eeae4fe0c116"><div class="ttname"><a href="openjpeg_8h.html#a2eb6f9e0395b47b8d5e3eeae4fe0c116">INLINE</a></div><div class="ttdeci">#define INLINE</div><div class="ttdef"><b>Definition:</b> openjpeg.h:65</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_ga91ef25eaa56320684de5d1e3a4097823"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#ga91ef25eaa56320684de5d1e3a4097823">opj_uint_floorlog2</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_floorlog2(OPJ_UINT32 a)</div><div class="ttdoc">Get logarithm of an integer and round downwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:171</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_ga2f7d5c3934ee6be38763652b7f80ea6c"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#ga2f7d5c3934ee6be38763652b7f80ea6c">opj_int_max</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_max(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Get the maximum of two integers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:72</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gaa2130d6482126a20e6680f82b254857b"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gaa2130d6482126a20e6680f82b254857b">opj_int_fix_mul</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_fix_mul(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Multiply two fixed-precision rational numbers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:186</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gae592eb75f221decddec51834b6c4177d"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gae592eb75f221decddec51834b6c4177d">opj_uint_ceildivpow2</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_ceildivpow2(OPJ_UINT32 a, OPJ_UINT32 b)</div><div class="ttdoc">Divide an integer by a power of 2 and round upwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:145</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_ga2c3eb35fddab83fef25256485b926fc0"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#ga2c3eb35fddab83fef25256485b926fc0">opj_uint_max</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_max(OPJ_UINT32 a, OPJ_UINT32 b)</div><div class="ttdoc">Get the maximum of two integers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:80</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gab00a7c3619b5af7595961047baff120e"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gab00a7c3619b5af7595961047baff120e">opj_int_ceildiv</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_ceildiv(OPJ_INT32 a, OPJ_INT32 b)</div><div class="ttdoc">Divide an integer and round upwards. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:119</div></div>
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<div class="ttc" id="group___t1_html_ga46ab5a09928a8d3872a6128d5aa80ca1"><div class="ttname"><a href="group___t1.html#ga46ab5a09928a8d3872a6128d5aa80ca1">T1_NMSEDEC_FRACBITS</a></div><div class="ttdeci">#define T1_NMSEDEC_FRACBITS</div><div class="ttdef"><b>Definition:</b> t1.h:87</div></div>
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<div class="ttc" id="openjpeg_8h_html_a4cb1e6e6b6ef2df499d5c02f7df54cbb"><div class="ttname"><a href="openjpeg_8h.html#a4cb1e6e6b6ef2df499d5c02f7df54cbb">OPJ_UINT32</a></div><div class="ttdeci">uint32_t OPJ_UINT32</div><div class="ttdef"><b>Definition:</b> openjpeg.h:126</div></div>
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<div class="ttc" id="openjpeg_8h_html_a871a81193cb4972db35948edd67360bd"><div class="ttname"><a href="openjpeg_8h.html#a871a81193cb4972db35948edd67360bd">OPJ_INT64</a></div><div class="ttdeci">int64_t OPJ_INT64</div><div class="ttdef"><b>Definition:</b> openjpeg.h:127</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gacaef279a9031adbd9319990646328a01"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gacaef279a9031adbd9319990646328a01">opj_int_abs</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_abs(OPJ_INT32 a)</div><div class="ttdef"><b>Definition:</b> opj_intmath.h:112</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gaefb4572107a9aea093be96d966869a0d"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gaefb4572107a9aea093be96d966869a0d">opj_int_clamp</a></div><div class="ttdeci">static INLINE OPJ_INT32 opj_int_clamp(OPJ_INT32 a, OPJ_INT32 min, OPJ_INT32 max)</div><div class="ttdoc">Clamp an integer inside an interval. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:102</div></div>
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<div class="ttc" id="group___o_p_j___i_n_t_m_a_t_h_html_gab9aad885f5c9bc9e39420003b2b32fe5"><div class="ttname"><a href="group___o_p_j___i_n_t_m_a_t_h.html#gab9aad885f5c9bc9e39420003b2b32fe5">opj_uint_adds</a></div><div class="ttdeci">static INLINE OPJ_UINT32 opj_uint_adds(OPJ_UINT32 a, OPJ_UINT32 b)</div><div class="ttdoc">Get the saturated sum of two unsigned integers. </div><div class="ttdef"><b>Definition:</b> opj_intmath.h:88</div></div>
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