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  51. <div class="title">fast_square_root.hpp</div>  </div>
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  53. <div class="contents">
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  54. <a href="a00030.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>
    55. 

  55. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#ifndef GLM_GTX_fast_square_root</span></div>
    56. 

  56. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GLM_GTX_fast_square_root</span></div>
    57. 

  57. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor"></span></div>
    58. 

  58. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">// Dependency:</span></div>
    59. 

  59. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &quot;../glm.hpp&quot;</span></div>
    60. 

  60. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
    61. 

  61. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(GLM_EXT_INCLUDED))</span></div>
    62. 

  62. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#       pragma message(&quot;GLM: GLM_GTX_fast_square_root extension included&quot;)</span></div>
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  63. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
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  64. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor"></span></div>
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  65. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">namespace </span>glm</div>
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  66. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;{</div>
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  67. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
    68. 

  68. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
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  69. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        genType <a class="code" href="a00197.html#gad57c343d2362c1469043adedeb8ef8eb">fastSqrt</a>(genType <span class="keyword">const</span> &amp; x);</div>
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  71. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
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  72. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        genType <a class="code" href="a00197.html#ga49dd9caa2853398474e5aae377259a22">fastInverseSqrt</a>(genType <span class="keyword">const</span> &amp; x);</div>
    73. 

  73. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                </div>
    74. 

  74. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
    75. 

  75. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">typename</span> genType::value_type <a class="code" href="a00197.html#ga2e726cc8b9f02b7c09910858ea1afac6">fastLength</a>(genType <span class="keyword">const</span> &amp; x);</div>
    76. 

  76. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
    77. 

  77. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
    78. 

  78. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keyword">typename</span> genType::value_type <a class="code" href="a00197.html#ga646eee2633e9de7274de9bc6f5af92b5">fastDistance</a>(genType <span class="keyword">const</span> &amp; x, genType <span class="keyword">const</span> &amp; y);</div>
    79. 

  79. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
    80. 

  80. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt; </div>
    81. 

  81. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        genType <a class="code" href="a00197.html#ga2953e7426a420bb2b33affce7360ef40">fastNormalize</a>(genType <span class="keyword">const</span> &amp; x);</div>
    82. 

  82. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div>
    83. 

  83. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;}<span class="comment">// namespace glm</span></div>
    84. 

  84. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
    85. 

  85. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#include &quot;fast_square_root.inl&quot;</span></div>
    86. 

  86. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
    87. 

  87. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor">#endif//GLM_GTX_fast_square_root</span></div>
    88. 

  88. <div class="ttc" id="a00197_html_gad57c343d2362c1469043adedeb8ef8eb"><div class="ttname"><a href="a00197.html#gad57c343d2362c1469043adedeb8ef8eb">glm::fastSqrt</a></div><div class="ttdeci">genType fastSqrt(genType const &amp;x)</div><div class="ttdoc">Faster than the common sqrt function but less accurate. </div></div>
    89. 

  89. <div class="ttc" id="a00197_html_ga49dd9caa2853398474e5aae377259a22"><div class="ttname"><a href="a00197.html#ga49dd9caa2853398474e5aae377259a22">glm::fastInverseSqrt</a></div><div class="ttdeci">genType fastInverseSqrt(genType const &amp;x)</div><div class="ttdoc">Faster than the common inversesqrt function but less accurate. </div></div>
    90. 

  90. <div class="ttc" id="a00197_html_ga646eee2633e9de7274de9bc6f5af92b5"><div class="ttname"><a href="a00197.html#ga646eee2633e9de7274de9bc6f5af92b5">glm::fastDistance</a></div><div class="ttdeci">genType::value_type fastDistance(genType const &amp;x, genType const &amp;y)</div><div class="ttdoc">Faster than the common distance function but less accurate. </div></div>
    91. 

  91. <div class="ttc" id="a00197_html_ga2953e7426a420bb2b33affce7360ef40"><div class="ttname"><a href="a00197.html#ga2953e7426a420bb2b33affce7360ef40">glm::fastNormalize</a></div><div class="ttdeci">genType fastNormalize(genType const &amp;x)</div><div class="ttdoc">Faster than the common normalize function but less accurate. </div></div>
    92. 

  92. <div class="ttc" id="a00197_html_ga2e726cc8b9f02b7c09910858ea1afac6"><div class="ttname"><a href="a00197.html#ga2e726cc8b9f02b7c09910858ea1afac6">glm::fastLength</a></div><div class="ttdeci">genType::value_type fastLength(genType const &amp;x)</div><div class="ttdoc">Faster than the common length function but less accurate. </div></div>
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