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2018-09-02 21:34:18 +00:00
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<div class="title">_swizzle.hpp</div> </div>
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2018-09-02 21:34:18 +00:00
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="keyword">namespace </span><a class="code" href="a00792.html">glm</a>{</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="keyword">namespace </span>detail</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> {</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  <span class="comment">// Internal class for implementing swizzle operators</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keywordtype">int</span> N></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="keyword">struct </span>_swizzle_base0</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="keyword">protected</span>:</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  GLM_FUNC_QUALIFIER T& elem(<span class="keywordtype">size_t</span> i){ <span class="keywordflow">return</span> (reinterpret_cast<T*>(_buffer))[i]; }</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  GLM_FUNC_QUALIFIER T <span class="keyword">const</span>& elem(<span class="keywordtype">size_t</span> i)<span class="keyword"> const</span>{ <span class="keywordflow">return</span> (reinterpret_cast<const T*>(_buffer))[i]; }</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="comment">// Use an opaque buffer to *ensure* the compiler doesn't call a constructor.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="comment">// The size 1 buffer is assumed to aligned to the actual members so that the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="comment">// elem()</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keywordtype">char</span> _buffer[1];</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  };</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">template</span><<span class="keywordtype">int</span> N, <span class="keyword">typename</span> T, qualifier Q, <span class="keywordtype">int</span> E0, <span class="keywordtype">int</span> E1, <span class="keywordtype">int</span> E2, <span class="keywordtype">int</span> E3, <span class="keywordtype">bool</span> Aligned></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">struct </span>_swizzle_base1 : <span class="keyword">public</span> _swizzle_base0<T, N></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>  };</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T, qualifier Q, <span class="keywordtype">int</span> E0, <span class="keywordtype">int</span> E1, <span class="keywordtype">bool</span> Aligned></div><div class="line"><a n
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<div class="ttc" id="a00792_html"><div class="ttname"><a href="a00792.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00002_source.html#l00020">common.hpp:20</a></div></div>
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