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<div id="projectname">0.9.7
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<li class="navelem"><a class="el" href="dir_275089585c7fc1b5fd5d7d42c69cb1da.html">D:</a></li><li class="navelem"><a class="el" href="dir_7b98f88bffbed4b390b5f8f520d9c08e.html">Source</a></li><li class="navelem"><a class="el" href="dir_1f76e953200861345293ade84ac7fb6c.html">G-Truc</a></li><li class="navelem"><a class="el" href="dir_e29b03b892e0e25920d021a614d4db9b.html">glm</a></li><li class="navelem"><a class="el" href="dir_5ce58d942b2d0776e17a9a58abc01e04.html">glm</a></li><li class="navelem"><a class="el" href="dir_8d176b5b7dd0ae42ea6876078f2bde49.html">gtx</a></li> </ul>
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<div class="title">fast_square_root.hpp</div> </div>
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</div><!--header-->
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<div class="contents">
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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> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// Dependency:</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "../common.hpp"</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "../exponential.hpp"</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "../geometric.hpp"</span></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> <span class="preprocessor">#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</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="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif</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="keyword">namespace </span><a class="code" href="a00146.html">glm</a></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</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="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  GLM_FUNC_DECL genType <a class="code" href="a00198.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(genType x);</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="l00069"></a><span class="lineno"> 69</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="l00070"></a><span class="lineno"> 70</span>  GLM_FUNC_DECL vecType<T, P> <a class="code" href="a00198.html#gaad9f601bbc3faa04dda384e4c4e1592c">fastSqrt</a>(vecType<T, P> <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  GLM_FUNC_DECL genType <a class="code" href="a00198.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(genType x);</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</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 vecType<T, P> <a class="code" href="a00198.html#ga903878071f92e51e551791e584a171a1">fastInverseSqrt</a>(vecType<T, P> <span class="keyword">const</span> & x);</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="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  GLM_FUNC_DECL genType <a class="code" href="a00198.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(genType x);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</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="l00094"></a><span class="lineno"> 94</span>  GLM_FUNC_DECL T <a class="code" href="a00198.html#gae28a3099cbd6404a4ea8ef22147ed7b0">fastLength</a>(vecType<T, P> <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  GLM_FUNC_DECL genType <a class="code" href="a00198.html#ga6d1ac559cd77d69119e30c3aca0e14b5">fastDistance</a>(genType x, genType y);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</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="l00106"></a><span class="lineno"> 106</span>  GLM_FUNC_DECL T <a class="code" href="a00198.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="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> genType> </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  GLM_FUNC_DECL genType <a class="code" href="a00198.html#ga3b02c1d6e0c754144e2f1e110bf9f16c">fastNormalize</a>(genType <span class="keyword">const</span> & x);</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }<span class="comment">// namespace glm</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#include "fast_square_root.inl"</span></div>
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<div class="ttc" id="a00198_html_gaad9f601bbc3faa04dda384e4c4e1592c"><div class="ttname"><a href="a00198.html#gaad9f601bbc3faa04dda384e4c4e1592c">glm::fastSqrt</a></div><div class="ttdeci">GLM_FUNC_DECL vecType< T, P > fastSqrt(vecType< T, P > const &x)</div><div class="ttdoc">Faster than the common sqrt function but less accurate. </div></div>
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<div class="ttc" id="a00198_html_gae28a3099cbd6404a4ea8ef22147ed7b0"><div class="ttname"><a href="a00198.html#gae28a3099cbd6404a4ea8ef22147ed7b0">glm::fastLength</a></div><div class="ttdeci">GLM_FUNC_DECL T fastLength(vecType< T, P > 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="a00198_html_ga6d1ac559cd77d69119e30c3aca0e14b5"><div class="ttname"><a href="a00198.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="a00198_html_ga903878071f92e51e551791e584a171a1"><div class="ttname"><a href="a00198.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="a00198_html_ga3b02c1d6e0c754144e2f1e110bf9f16c"><div class="ttname"><a href="a00198.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="a00146_html"><div class="ttname"><a href="a00146.html">glm</a></div><div class="ttdef"><b>Definition:</b> <a href="a00003_source.html#l00040">_noise.hpp:40</a></div></div>
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