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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;setup.hpp&quot;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">namespace </span><a class="code" href="a00236.html">glm</a>{</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;{</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> genFIType, <span class="keywordtype">bool</span> <span class="comment">/*signed*/</span>&gt;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;        <span class="keyword">struct </span>compute_abs</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;        {};</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> genFIType&gt;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;        <span class="keyword">struct </span>compute_abs&lt;genFIType, true&gt;</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;        {</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;                GLM_FUNC_QUALIFIER GLM_CONSTEXPR <span class="keyword">static</span> genFIType call(genFIType x)</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;                {</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;                        GLM_STATIC_ASSERT(</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;                                std::numeric_limits&lt;genFIType&gt;::is_iec559 || std::numeric_limits&lt;genFIType&gt;::is_signed,</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;                                <span class="stringliteral">&quot;&#39;abs&#39; only accept floating-point and integer scalar or vector inputs&quot;</span>);</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;                        <span class="keywordflow">return</span> x &gt;= genFIType(0) ? x : -x;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;                        <span class="comment">// TODO, perf comp with: *(((int *) &amp;x) + 1) &amp;= 0x7fffffff;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;                }</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        };</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#if GLM_COMPILER &amp; GLM_COMPILER_CUDA</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        <span class="keyword">struct </span>compute_abs&lt;float, true&gt;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;                GLM_FUNC_QUALIFIER GLM_CONSTEXPR <span class="keyword">static</span> <span class="keywordtype">float</span> call(<span class="keywordtype">float</span> x)</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;                {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;                        <span class="keywordflow">return</span> fabsf(x);</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;                }</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        };</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> genFIType&gt;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keyword">struct </span>compute_abs&lt;genFIType, false&gt;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        {</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;                GLM_FUNC_QUALIFIER GLM_CONSTEXPR <span class="keyword">static</span> genFIType call(genFIType x)</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                        GLM_STATIC_ASSERT(</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                                (!std::numeric_limits&lt;genFIType&gt;::is_signed &amp;&amp; std::numeric_limits&lt;genFIType&gt;::is_integer),</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                                <span class="stringliteral">&quot;&#39;abs&#39; only accept floating-point and integer scalar or vector inputs&quot;</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                        <span class="keywordflow">return</span> x;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                }</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        };</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;}<span class="comment">//namespace detail</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;}<span class="comment">//namespace glm</span></div>
<div class="ttc" id="a00236_html"><div class="ttname"><a href="a00236.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00015_source.html#l00020">common.hpp:20</a></div></div>
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