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<li class="navelem"><a class="el" href="dir_3a581ba30d25676e4b797b1f96d53b45.html">F:</a></li><li class="navelem"><a class="el" href="dir_9e5fe034a00e89334fd5186c3e7db156.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_d9496f0844b48bc7e53b5af8c99b9ab2.html">Source</a></li><li class="navelem"><a class="el" href="dir_a8bee7be44182a33f3820393ae0b105d.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_44e5e654415abd9ca6fdeaddaff8565e.html">glm</a></li><li class="navelem"><a class="el" href="dir_cef2d71d502cb69a9252bca2297d9549.html">glm</a></li><li class="navelem"><a class="el" href="dir_033f5edb0915b828d2c46ed4804e5503.html">detail</a></li> </ul>
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<div class="title">type_float.hpp</div> </div>
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</div><!--header-->
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<div class="contents">
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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>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "setup.hpp"</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#if GLM_COMPILER == GLM_COMPILER_VC12</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor"># pragma warning(push)</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"># pragma warning(disable: 4512) // assignment operator could not be generated</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="a00236.html">glm</a>{</div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span>detail</div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> {</div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">union </span>float_t</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  {};</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="comment">// https://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">template</span> <></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">union </span>float_t<float></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> int_type;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">typedef</span> <span class="keywordtype">float</span> float_type;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  GLM_CONSTEXPR float_t(float_type Num = 0.0f) : f(Num) {}</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  GLM_CONSTEXPR float_t& operator=(float_t <span class="keyword">const</span>& x)</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  f = x.f;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  }</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// Portable extraction of components.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  GLM_CONSTEXPR <span class="keywordtype">bool</span> negative()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> i < 0; }</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  GLM_CONSTEXPR int_type mantissa()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> i & ((1 << 23) - 1); }</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  GLM_CONSTEXPR int_type exponent()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (i >> 23) & ((1 << 8) - 1); }</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  int_type i;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  float_type f;</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="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">template</span> <></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">union </span>float_t<double></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">typedef</span> <a class="code" href="a00260.html#gaff5189f97f9e842d9636a0f240001b2e">detail::int64</a> int_type;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> <span class="keywordtype">double</span> float_type;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  GLM_CONSTEXPR float_t(float_type Num = static_cast<float_type>(0)) : f(Num) {}</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="l00049"></a><span class="lineno"> 49</span>  GLM_CONSTEXPR float_t& operator=(float_t <span class="keyword">const</span>& x)</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  f = x.f;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Portable extraction of components.</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  GLM_CONSTEXPR <span class="keywordtype">bool</span> negative()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> i < 0; }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  GLM_CONSTEXPR int_type mantissa()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> i & ((int_type(1) << 52) - 1); }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  GLM_CONSTEXPR int_type exponent()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (i >> 52) & ((int_type(1) << 11) - 1); }</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="l00060"></a><span class="lineno"> 60</span>  int_type i;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  float_type f;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  };</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }<span class="comment">//namespace detail</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }<span class="comment">//namespace glm</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#if GLM_COMPILER == GLM_COMPILER_VC12</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"># pragma warning(pop)</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></div>
|
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<div class="ttc" id="a00260_html_gaff5189f97f9e842d9636a0f240001b2e"><div class="ttname"><a href="a00260.html#gaff5189f97f9e842d9636a0f240001b2e">glm::int64</a></div><div class="ttdeci">detail::int64 int64</div><div class="ttdoc">64 bit signed integer type. </div><div class="ttdef"><b>Definition:</b> <a href="a00146_source.html#l00067">scalar_int_sized.hpp:67</a></div></div>
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<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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