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<li class="navelem"><a class="el" href="dir_934f46a345653ef2b3014a1b37a162c1.html">G:</a></li><li class="navelem"><a class="el" href="dir_bf513233250988b6ff3b72f8482c1597.html">Repository</a></li><li class="navelem"><a class="el" href="dir_e217bba5d90990da93f61f0ea8b942dc.html">glm</a></li><li class="navelem"><a class="el" href="dir_a844bf6d5a07b8853f8463b41029861e.html">glm</a></li><li class="navelem"><a class="el" href="dir_1a190e7f93f4503d85aaef18e89b9041.html">gtc</a></li> </ul>
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<div class="title">gtc/constants.hpp</div> </div>
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<div class="contents">
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<a href="a00015.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="l00002"></a><span class="lineno"> 2</span> </div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</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> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</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> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </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> </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </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> </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> </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> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</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> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </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> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#ifndef GLM_GTC_constants</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#define GLM_GTC_constants GLM_VERSION</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></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> <span class="preprocessor">#include "../gtc/half_float.hpp"</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="preprocessor">#if(defined(GLM_MESSAGES) && !defined(glm_ext))</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span><span class="preprocessor"># pragma message("GLM: GLM_GTC_constants extension included")</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>glm</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</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="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga2b53267cfa3c8aa96c02cdba04c53ef5" title="Return the epsilon constant for floating point types.">epsilon</a>();</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</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> T></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga1ece9de415050c52a6e2aa5d70a20972" title="Return 0.">zero</a>();</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="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga4b7505757b062b9f689d618e5790ce0a" title="Return 1.">one</a>();</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga12be4efe2470ebe86e7163aefe4a545e" title="Return the pi constant.">pi</a>();</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gab330534be451fd5267622fb3fd246c3d" title="Return square root of pi.">root_pi</a>();</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga8a72b0fbaa530016ccdfd28529cda87d" title="Return pi / 2.">half_pi</a>();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gacf1caeb147205714372a562a15b140f8" title="Return pi / 4.">quarter_pi</a>();</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</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></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga0d476bfe1e72071895ece4c4b9e78a47" title="Return 1 / pi.">one_over_pi</a>();</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="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga579959e61ef879efbe7e8646b2d9c222" title="Return 2 / pi.">two_over_pi</a>();</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga31940e5cdb5cb1d8852548db573d43f9" title="Return 2 / sqrt(pi).">two_over_root_pi</a>();</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga109c0c04ce9f7912254bb52800d22344" title="Return 1 / sqrt(2).">one_over_root_two</a>();</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gad0cd42ca5c54d9896654b3048a4ef0d7" title="Return sqrt(pi / 2).">root_half_pi</a>();</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga388e713e3a29840079d2dd1128f46166" title="Return sqrt(2 * pi).">root_two_pi</a>();</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gacce3e8846a876b339812dd7279b3d929" title="Return sqrt(ln(4)).">root_ln_four</a>();</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga1cebaa574cc7c9018ccefbde3f174db5" title="Return e constant.">e</a>();</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gaed1d93869801afa40958ffa062dde245" title="Return Euler's constant.">euler</a>();</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga84cde9a5f5c5528a2846ab43a62f3fd0" title="Return sqrt(2).">root_two</a>();</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gaf3f205c738a519ec082dd8a67968549c" title="Return sqrt(3).">root_three</a>();</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gaafa225f0ab07202dd270d6537a5e1df8" title="Return sqrt(5).">root_five</a>();</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#gac2f30635c140a0e753d3eb26f63446dd" title="Return ln(2).">ln_two</a>();</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga43d82c8d42443486d20ccc17ec797770" title="Return ln(10).">ln_ten</a>();</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga554ba051aa168c8e19072f2b1ebf1ef8" title="Return ln(ln(2)).">ln_ln_two</a>();</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga4a604b1a984d351232d966e9b8fed54e" title="Return 1 / 3.">third</a>();</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga284e20e3e55ffbd5b19d16054bbe2098" title="Return 2 / 3.">two_thirds</a>();</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  GLM_CONSTEXPR T <a class="code" href="a00145.html#ga14e6ecb0a19dbbfcf6cd48cb536cbd61" title="Return the golden ratio constant.">golden_ratio</a>();</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> } <span class="comment">//namespace glm</span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#include "constants.inl"</span></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif//GLM_GTC_constants</span></div>
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