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<div id="projectname">0.9.6
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<li class="navelem"><a class="el" href="dir_885cc87fac2d91e269af0a5a959fa5f6.html">E:</a></li><li class="navelem"><a class="el" href="dir_153b03dd71a7bff437c38ec53cb2e014.html">Source</a></li><li class="navelem"><a class="el" href="dir_0c6652232a835be54bedd6cfd7502504.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_e2c7faa62a52820b5be8795affd6e495.html">glm</a></li><li class="navelem"><a class="el" href="dir_5cf96241cdcf6779b80e104875f9716f.html">glm</a></li><li class="navelem"><a class="el" href="dir_5d3642ea3c7f2dae4a957f2cf472c9ae.html">gtx</a></li> </ul>
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<div class="title">fast_square_root.hpp</div> </div>
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<div class="contents">
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<a href="a00026.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// Dependency:</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "../glm.hpp"</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"># pragma message("GLM: GLM_GTX_fast_square_root extension included")</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</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="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span><a class="code" href="a00146.html">glm</a></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="l00053"></a><span class="lineno"> 53</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  GLM_FUNC_DECL genType <a class="code" href="a00196.html#ga6c460e9414a50b2fc455c8f64c86cdc9">fastSqrt</a>(genType x);</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="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  GLM_FUNC_DECL genType <a class="code" href="a00196.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(genType x);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> <<span class="keyword">typename</span>, precision> <span class="keyword">class </span>vecType></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  GLM_FUNC_DECL vecType<T, P> <a class="code" href="a00196.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(vecType<T, P> <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  GLM_FUNC_DECL <span class="keyword">typename</span> genType::value_type <a class="code" href="a00196.html#ga70aa3c80d8bb22e021c6c3ebdcf8e3ee">fastLength</a>(genType <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  GLM_FUNC_DECL genType <a class="code" href="a00196.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(genType x, genType y);</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T, precision P, <span class="keyword">template</span> <<span class="keyword">typename</span>, precision> <span class="keyword">class </span>vecType></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  GLM_FUNC_DECL T <a class="code" href="a00196.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(vecType<T, P> <span class="keyword">const</span> & x, vecType<T, P> <span class="keyword">const</span> & y);</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="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  GLM_FUNC_DECL genType <a class="code" href="a00196.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">fastNormalize</a>(genType <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }<span class="comment">// namespace glm</span></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> <span class="preprocessor">#include "fast_square_root.inl"</span></div>
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<div class="ttc" id="a00196_html_ga6d1ac559cd77d69119e30c3aca0e14b5"><div class="ttname"><a href="a00196.html#ga6d1ac559cd77d69119e30c3aca0e14b5">glm::fastDistance</a></div><div class="ttdeci">GLM_FUNC_DECL T fastDistance(vecType< T, P > const &x, vecType< T, P > const &y)</div><div class="ttdoc">Faster than the common distance function but less accurate. </div></div>
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<div class="ttc" id="a00196_html_ga3b02c1d6e0c754144e2f1e110bf9f16c"><div class="ttname"><a href="a00196.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">glm::fastNormalize</a></div><div class="ttdeci">GLM_FUNC_DECL genType fastNormalize(genType const &x)</div><div class="ttdoc">Faster than the common normalize function but less accurate. </div></div>
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<div class="ttc" id="a00196_html_ga903878071f92e51e551791e584a171a1"><div class="ttname"><a href="a00196.html#ga903878071f92e51e551791e584a171a1">glm::fastInverseSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType< T, P > fastInverseSqrt(vecType< T, P > const &x)</div><div class="ttdoc">Faster than the common inversesqrt function but less accurate. </div></div>
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<div class="ttc" id="a00196_html_ga70aa3c80d8bb22e021c6c3ebdcf8e3ee"><div class="ttname"><a href="a00196.html#ga70aa3c80d8bb22e021c6c3ebdcf8e3ee">glm::fastLength</a></div><div class="ttdeci">GLM_FUNC_DECL genType::value_type fastLength(genType const &x)</div><div class="ttdoc">Faster than the common length function but less accurate. </div></div>
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<div class="ttc" id="a00146_html"><div class="ttname"><a href="a00146.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00031">_noise.hpp:31</a></div></div>
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<div class="ttc" id="a00196_html_ga6c460e9414a50b2fc455c8f64c86cdc9"><div class="ttname"><a href="a00196.html#ga6c460e9414a50b2fc455c8f64c86cdc9">glm::fastSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL genType fastSqrt(genType x)</div><div class="ttdoc">Faster than the common sqrt function but less accurate. </div></div>
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