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Updated doxygen API doc

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Christophe Riccio
2016-11-13 00:39:32 +01:00
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<div class="title">fast_square_root.hpp</div> </div>
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<a href="a00027.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">// Dependency:</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../common.hpp&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;../exponential.hpp&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../geometric.hpp&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="preprocessor">#if GLM_MESSAGES == GLM_MESSAGES_ENABLED &amp;&amp; !defined(GLM_EXT_INCLUDED)</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_fast_square_root extension included&quot;)</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#endif</span></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;<span class="keyword">namespace </span><a class="code" href="a00141.html">glm</a></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;{</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(genType x);</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#pragma once</span></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;<span class="comment">// Dependency:</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;../glm.hpp&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#ifndef GLM_ENABLE_EXPERIMENTAL</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor"># error &quot;GLM: GLM_GTX_fast_exponential is an experimetal extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#if GLM_MESSAGES == GLM_MESSAGES_ENABLED &amp;&amp; !defined(GLM_EXT_INCLUDED)</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_fast_exponential extension included&quot;)</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#endif</span></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="keyword">namespace </span><a class="code" href="a00140.html">glm</a></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00193.html#ga29924aea1aa11c5c504fb2d621221906">fastPow</a>(genType x, genType y);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(genType x);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00194.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(genType x);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#ga29924aea1aa11c5c504fb2d621221906">fastPow</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x, vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; y);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genTypeT, <span class="keyword">typename</span> genTypeU&gt;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; GLM_FUNC_DECL genTypeT <a class="code" href="a00193.html#ga29924aea1aa11c5c504fb2d621221906">fastPow</a>(genTypeT x, genTypeU y);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#ga29924aea1aa11c5c504fb2d621221906">fastPow</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00193.html#ga4faf0b61115de36efcf47c4ecb55a5fa">fastExp</a>(T x);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#ga4faf0b61115de36efcf47c4ecb55a5fa">fastExp</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00193.html#ga789abcbc34d08008d2f5a4547dd6e5e3">fastLog</a>(T x);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(genType x, genType y);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x, vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; y);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; GLM_FUNC_DECL genType <a class="code" href="a00194.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">fastNormalize</a>(genType <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;}<span class="comment">// namespace glm</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="preprocessor">#include &quot;fast_square_root.inl&quot;</span></div>
<div class="ttc" id="a00194_html_ga6d1ac559cd77d69119e30c3aca0e14b5"><div class="ttname"><a href="a00194.html#ga6d1ac559cd77d69119e30c3aca0e14b5">glm::fastDistance</a></div><div class="ttdeci">GLM_FUNC_DECL T fastDistance(vecType&lt; T, P &gt; const &amp;x, vecType&lt; T, P &gt; const &amp;y)</div><div class="ttdoc">Faster than the common distance function but less accurate. </div></div>
<div class="ttc" id="a00194_html_ga3b02c1d6e0c754144e2f1e110bf9f16c"><div class="ttname"><a href="a00194.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">glm::fastNormalize</a></div><div class="ttdeci">GLM_FUNC_DECL genType fastNormalize(genType const &amp;x)</div><div class="ttdoc">Faster than the common normalize function but less accurate. </div></div>
<div class="ttc" id="a00194_html_ga903878071f92e51e551791e584a171a1"><div class="ttname"><a href="a00194.html#ga903878071f92e51e551791e584a171a1">glm::fastInverseSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastInverseSqrt(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common inversesqrt function but less accurate. </div></div>
<div class="ttc" id="a00141_html"><div class="ttname"><a href="a00141.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00011">_noise.hpp:11</a></div></div>
<div class="ttc" id="a00194_html_gaad9f601bbc3faa04dda384e4c4e1592c"><div class="ttname"><a href="a00194.html#gaad9f601bbc3faa04dda384e4c4e1592c">glm::fastSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastSqrt(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common sqrt function but less accurate. </div></div>
<div class="ttc" id="a00194_html_gae28a3099cbd6404a4ea8ef22147ed7b0"><div class="ttname"><a href="a00194.html#gae28a3099cbd6404a4ea8ef22147ed7b0">glm::fastLength</a></div><div class="ttdeci">GLM_FUNC_DECL T fastLength(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common length function but less accurate. </div></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#ga789abcbc34d08008d2f5a4547dd6e5e3">fastLog</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00193.html#ga9e6219327b7a33077dbec7620d981fff">fastExp2</a>(T x);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#ga9e6219327b7a33077dbec7620d981fff">fastExp2</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; GLM_FUNC_DECL T <a class="code" href="a00193.html#gabc46086fe6636b8be87f09e6c5d2bb58">fastLog2</a>(T x);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>, precision&gt; <span class="keyword">class </span>vecType&gt;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; GLM_FUNC_DECL vecType&lt;T, P&gt; <a class="code" href="a00193.html#gabc46086fe6636b8be87f09e6c5d2bb58">fastLog2</a>(vecType&lt;T, P&gt; <span class="keyword">const</span> &amp; x);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;}<span class="comment">//namespace glm</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor">#include &quot;fast_exponential.inl&quot;</span></div>
<div class="ttc" id="a00193_html_ga789abcbc34d08008d2f5a4547dd6e5e3"><div class="ttname"><a href="a00193.html#ga789abcbc34d08008d2f5a4547dd6e5e3">glm::fastLog</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastLog(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common exp2 function but less accurate. </div></div>
<div class="ttc" id="a00193_html_ga29924aea1aa11c5c504fb2d621221906"><div class="ttname"><a href="a00193.html#ga29924aea1aa11c5c504fb2d621221906">glm::fastPow</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastPow(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common pow function but less accurate. </div></div>
<div class="ttc" id="a00193_html_ga4faf0b61115de36efcf47c4ecb55a5fa"><div class="ttname"><a href="a00193.html#ga4faf0b61115de36efcf47c4ecb55a5fa">glm::fastExp</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastExp(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common exp function but less accurate. </div></div>
<div class="ttc" id="a00193_html_ga9e6219327b7a33077dbec7620d981fff"><div class="ttname"><a href="a00193.html#ga9e6219327b7a33077dbec7620d981fff">glm::fastExp2</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastExp2(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common exp2 function but less accurate. </div></div>
<div class="ttc" id="a00140_html"><div class="ttname"><a href="a00140.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00011">_noise.hpp:11</a></div></div>
<div class="ttc" id="a00193_html_gabc46086fe6636b8be87f09e6c5d2bb58"><div class="ttname"><a href="a00193.html#gabc46086fe6636b8be87f09e6c5d2bb58">glm::fastLog2</a></div><div class="ttdeci">GLM_FUNC_DECL vecType&lt; T, P &gt; fastLog2(vecType&lt; T, P &gt; const &amp;x)</div><div class="ttdoc">Faster than the common log2 function but less accurate. </div></div>
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