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  7. <title>0.9.6: GLM_GTX_fast_exponential</title>
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  40. <a href="#func-members">Functions</a>  </div>
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  41.   <div class="headertitle">
    42. 

  42. <div class="title">GLM_GTX_fast_exponential<div class="ingroups"><a class="el" href="a00159.html">GTX Extensions (Experimental)</a></div></div>  </div>
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  46. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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  47. Functions</h2></td></tr>
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  48. <tr class="memitem:gaa3180ac8f96ab37ab96e0cacaf608e10"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  49. <tr class="memitem:gaa3180ac8f96ab37ab96e0cacaf608e10"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#gaa3180ac8f96ab37ab96e0cacaf608e10">fastExp</a> (T x)</td></tr>
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  51. <tr class="memitem:ga4faf0b61115de36efcf47c4ecb55a5fa"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
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  52. <tr class="memitem:ga4faf0b61115de36efcf47c4ecb55a5fa"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga4faf0b61115de36efcf47c4ecb55a5fa">fastExp</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
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  54. <tr class="memitem:ga0af50585955eb14c60bb286297fabab2"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  55. <tr class="memitem:ga0af50585955eb14c60bb286297fabab2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga0af50585955eb14c60bb286297fabab2">fastExp2</a> (T x)</td></tr>
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  57. <tr class="memitem:ga9e6219327b7a33077dbec7620d981fff"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
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  58. <tr class="memitem:ga9e6219327b7a33077dbec7620d981fff"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga9e6219327b7a33077dbec7620d981fff">fastExp2</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
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  60. <tr class="memitem:gae1bdc97b7f96a600e29c753f1cd4388a"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  61. <tr class="memitem:gae1bdc97b7f96a600e29c753f1cd4388a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#gae1bdc97b7f96a600e29c753f1cd4388a">fastLog</a> (T x)</td></tr>
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  63. <tr class="memitem:ga789abcbc34d08008d2f5a4547dd6e5e3"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
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  64. <tr class="memitem:ga789abcbc34d08008d2f5a4547dd6e5e3"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga789abcbc34d08008d2f5a4547dd6e5e3">fastLog</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
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  66. <tr class="memitem:ga6e98118685f6dc9e05fbb13dd5e5234e"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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  67. <tr class="memitem:ga6e98118685f6dc9e05fbb13dd5e5234e"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga6e98118685f6dc9e05fbb13dd5e5234e">fastLog2</a> (T x)</td></tr>
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  69. <tr class="memitem:gabc46086fe6636b8be87f09e6c5d2bb58"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
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  70. <tr class="memitem:gabc46086fe6636b8be87f09e6c5d2bb58"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#gabc46086fe6636b8be87f09e6c5d2bb58">fastLog2</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
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  72. <tr class="memitem:ga5340e98a11fcbbd936ba6e983a154d50"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
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  73. <tr class="memitem:ga5340e98a11fcbbd936ba6e983a154d50"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga5340e98a11fcbbd936ba6e983a154d50">fastPow</a> (genType x, genType y)</td></tr>
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  76. <tr class="memitem:ga07b73976a9af4005945bc338b45d8466"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga07b73976a9af4005945bc338b45d8466">fastPow</a> (vecType&lt; T, P &gt; const &amp;x, vecType&lt; T, P &gt; const &amp;y)</td></tr>
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  78. <tr class="memitem:ga7f2562db9c3e02ae76169c36b086c3f6"><td class="memTemplParams" colspan="2">template&lt;typename genTypeT , typename genTypeU &gt; </td></tr>
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  79. <tr class="memitem:ga7f2562db9c3e02ae76169c36b086c3f6"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genTypeT&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga7f2562db9c3e02ae76169c36b086c3f6">fastPow</a> (genTypeT x, genTypeU y)</td></tr>
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  80. <tr class="separator:ga7f2562db9c3e02ae76169c36b086c3f6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  81. <tr class="memitem:ga29924aea1aa11c5c504fb2d621221906"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
    82. 

  82. <tr class="memitem:ga29924aea1aa11c5c504fb2d621221906"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00194.html#ga29924aea1aa11c5c504fb2d621221906">fastPow</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
    83. 

  83. <tr class="separator:ga29924aea1aa11c5c504fb2d621221906"><td class="memSeparator" colspan="2">&#160;</td></tr>
    84. 

  84. </table>
    85. 

  85. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    86. 

  86. <p>Fast but less accurate implementations of exponential based functions. </p>
    87. 

  87. <p>&lt;<a class="el" href="a00025.html" title="OpenGL Mathematics (glm.g-truc.net) ">glm/gtx/fast_exponential.hpp</a>&gt; need to be included to use these functionalities. </p>
    88. 

  88. <h2 class="groupheader">Function Documentation</h2>
    89. 

  89. <a class="anchor" id="gaa3180ac8f96ab37ab96e0cacaf608e10"></a>
    90. 

  90. <div class="memitem">
    91. 

  91. <div class="memproto">
    92. 

  92.       <table class="memname">
    93. 

  93.         <tr>
    94. 

  94.           <td class="memname">GLM_FUNC_DECL T glm::fastExp </td>
    95. 

  95.           <td>(</td>
    96. 

  96.           <td class="paramtype">T&#160;</td>
    97. 

  97.           <td class="paramname"><em>x</em></td><td>)</td>
    98. 

  98.           <td></td>
    99. 

  99.         </tr>
    100. 

  100.       </table>
    101. 

  101. </div><div class="memdoc">
    102. 

  102. 

  103. <p>Faster than the common exp function but less accurate. </p>
    104. 

  104. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    105. 

  105. 

  106. </div>
    107. 

  107. </div>
    108. 

  108. <a class="anchor" id="ga4faf0b61115de36efcf47c4ecb55a5fa"></a>
    109. 

  109. <div class="memitem">
    110. 

  110. <div class="memproto">
    111. 

  111.       <table class="memname">
    112. 

  112.         <tr>
    113. 

  113.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastExp </td>
    114. 

  114.           <td>(</td>
    115. 

  115.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    116. 

  116.           <td class="paramname"><em>x</em></td><td>)</td>
    117. 

  117.           <td></td>
    118. 

  118.         </tr>
    119. 

  119.       </table>
    120. 

  120. </div><div class="memdoc">
    121. 

  121. 

  122. <p>Faster than the common exp function but less accurate. </p>
    123. 

  123. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    124. 

  124. 

  125. </div>
    126. 

  126. </div>
    127. 

  127. <a class="anchor" id="ga0af50585955eb14c60bb286297fabab2"></a>
    128. 

  128. <div class="memitem">
    129. 

  129. <div class="memproto">
    130. 

  130.       <table class="memname">
    131. 

  131.         <tr>
    132. 

  132.           <td class="memname">GLM_FUNC_DECL T glm::fastExp2 </td>
    133. 

  133.           <td>(</td>
    134. 

  134.           <td class="paramtype">T&#160;</td>
    135. 

  135.           <td class="paramname"><em>x</em></td><td>)</td>
    136. 

  136.           <td></td>
    137. 

  137.         </tr>
    138. 

  138.       </table>
    139. 

  139. </div><div class="memdoc">
    140. 

  140. 

  141. <p>Faster than the common exp2 function but less accurate. </p>
    142. 

  142. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    143. 

  143. 

  144. </div>
    145. 

  145. </div>
    146. 

  146. <a class="anchor" id="ga9e6219327b7a33077dbec7620d981fff"></a>
    147. 

  147. <div class="memitem">
    148. 

  148. <div class="memproto">
    149. 

  149.       <table class="memname">
    150. 

  150.         <tr>
    151. 

  151.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastExp2 </td>
    152. 

  152.           <td>(</td>
    153. 

  153.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    154. 

  154.           <td class="paramname"><em>x</em></td><td>)</td>
    155. 

  155.           <td></td>
    156. 

  156.         </tr>
    157. 

  157.       </table>
    158. 

  158. </div><div class="memdoc">
    159. 

  159. 

  160. <p>Faster than the common exp2 function but less accurate. </p>
    161. 

  161. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    162. 

  162. 

  163. </div>
    164. 

  164. </div>
    165. 

  165. <a class="anchor" id="gae1bdc97b7f96a600e29c753f1cd4388a"></a>
    166. 

  166. <div class="memitem">
    167. 

  167. <div class="memproto">
    168. 

  168.       <table class="memname">
    169. 

  169.         <tr>
    170. 

  170.           <td class="memname">GLM_FUNC_DECL T glm::fastLog </td>
    171. 

  171.           <td>(</td>
    172. 

  172.           <td class="paramtype">T&#160;</td>
    173. 

  173.           <td class="paramname"><em>x</em></td><td>)</td>
    174. 

  174.           <td></td>
    175. 

  175.         </tr>
    176. 

  176.       </table>
    177. 

  177. </div><div class="memdoc">
    178. 

  178. 

  179. <p>Faster than the common log function but less accurate. </p>
    180. 

  180. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    181. 

  181. 

  182. </div>
    183. 

  183. </div>
    184. 

  184. <a class="anchor" id="ga789abcbc34d08008d2f5a4547dd6e5e3"></a>
    185. 

  185. <div class="memitem">
    186. 

  186. <div class="memproto">
    187. 

  187.       <table class="memname">
    188. 

  188.         <tr>
    189. 

  189.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastLog </td>
    190. 

  190.           <td>(</td>
    191. 

  191.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    192. 

  192.           <td class="paramname"><em>x</em></td><td>)</td>
    193. 

  193.           <td></td>
    194. 

  194.         </tr>
    195. 

  195.       </table>
    196. 

  196. </div><div class="memdoc">
    197. 

  197. 

  198. <p>Faster than the common exp2 function but less accurate. </p>
    199. 

  199. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    200. 

  200. 

  201. </div>
    202. 

  202. </div>
    203. 

  203. <a class="anchor" id="ga6e98118685f6dc9e05fbb13dd5e5234e"></a>
    204. 

  204. <div class="memitem">
    205. 

  205. <div class="memproto">
    206. 

  206.       <table class="memname">
    207. 

  207.         <tr>
    208. 

  208.           <td class="memname">GLM_FUNC_DECL T glm::fastLog2 </td>
    209. 

  209.           <td>(</td>
    210. 

  210.           <td class="paramtype">T&#160;</td>
    211. 

  211.           <td class="paramname"><em>x</em></td><td>)</td>
    212. 

  212.           <td></td>
    213. 

  213.         </tr>
    214. 

  214.       </table>
    215. 

  215. </div><div class="memdoc">
    216. 

  216. 

  217. <p>Faster than the common log2 function but less accurate. </p>
    218. 

  218. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    219. 

  219. 

  220. </div>
    221. 

  221. </div>
    222. 

  222. <a class="anchor" id="gabc46086fe6636b8be87f09e6c5d2bb58"></a>
    223. 

  223. <div class="memitem">
    224. 

  224. <div class="memproto">
    225. 

  225.       <table class="memname">
    226. 

  226.         <tr>
    227. 

  227.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastLog2 </td>
    228. 

  228.           <td>(</td>
    229. 

  229.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    230. 

  230.           <td class="paramname"><em>x</em></td><td>)</td>
    231. 

  231.           <td></td>
    232. 

  232.         </tr>
    233. 

  233.       </table>
    234. 

  234. </div><div class="memdoc">
    235. 

  235. 

  236. <p>Faster than the common log2 function but less accurate. </p>
    237. 

  237. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    238. 

  238. 

  239. </div>
    240. 

  240. </div>
    241. 

  241. <a class="anchor" id="ga5340e98a11fcbbd936ba6e983a154d50"></a>
    242. 

  242. <div class="memitem">
    243. 

  243. <div class="memproto">
    244. 

  244.       <table class="memname">
    245. 

  245.         <tr>
    246. 

  246.           <td class="memname">GLM_FUNC_DECL genType glm::fastPow </td>
    247. 

  247.           <td>(</td>
    248. 

  248.           <td class="paramtype">genType&#160;</td>
    249. 

  249.           <td class="paramname"><em>x</em>, </td>
    250. 

  250.         </tr>
    251. 

  251.         <tr>
    252. 

  252.           <td class="paramkey"></td>
    253. 

  253.           <td></td>
    254. 

  254.           <td class="paramtype">genType&#160;</td>
    255. 

  255.           <td class="paramname"><em>y</em>&#160;</td>
    256. 

  256.         </tr>
    257. 

  257.         <tr>
    258. 

  258.           <td></td>
    259. 

  259.           <td>)</td>
    260. 

  260.           <td></td><td></td>
    261. 

  261.         </tr>
    262. 

  262.       </table>
    263. 

  263. </div><div class="memdoc">
    264. 

  264. 

  265. <p>Faster than the common pow function but less accurate. </p>
    266. 

  266. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    267. 

  267. 

  268. </div>
    269. 

  269. </div>
    270. 

  270. <a class="anchor" id="ga07b73976a9af4005945bc338b45d8466"></a>
    271. 

  271. <div class="memitem">
    272. 

  272. <div class="memproto">
    273. 

  273.       <table class="memname">
    274. 

  274.         <tr>
    275. 

  275.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastPow </td>
    276. 

  276.           <td>(</td>
    277. 

  277.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    278. 

  278.           <td class="paramname"><em>x</em>, </td>
    279. 

  279.         </tr>
    280. 

  280.         <tr>
    281. 

  281.           <td class="paramkey"></td>
    282. 

  282.           <td></td>
    283. 

  283.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    284. 

  284.           <td class="paramname"><em>y</em>&#160;</td>
    285. 

  285.         </tr>
    286. 

  286.         <tr>
    287. 

  287.           <td></td>
    288. 

  288.           <td>)</td>
    289. 

  289.           <td></td><td></td>
    290. 

  290.         </tr>
    291. 

  291.       </table>
    292. 

  292. </div><div class="memdoc">
    293. 

  293. 

  294. <p>Faster than the common pow function but less accurate. </p>
    295. 

  295. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    296. 

  296. 

  297. </div>
    298. 

  298. </div>
    299. 

  299. <a class="anchor" id="ga7f2562db9c3e02ae76169c36b086c3f6"></a>
    300. 

  300. <div class="memitem">
    301. 

  301. <div class="memproto">
    302. 

  302.       <table class="memname">
    303. 

  303.         <tr>
    304. 

  304.           <td class="memname">GLM_FUNC_DECL genTypeT glm::fastPow </td>
    305. 

  305.           <td>(</td>
    306. 

  306.           <td class="paramtype">genTypeT&#160;</td>
    307. 

  307.           <td class="paramname"><em>x</em>, </td>
    308. 

  308.         </tr>
    309. 

  309.         <tr>
    310. 

  310.           <td class="paramkey"></td>
    311. 

  311.           <td></td>
    312. 

  312.           <td class="paramtype">genTypeU&#160;</td>
    313. 

  313.           <td class="paramname"><em>y</em>&#160;</td>
    314. 

  314.         </tr>
    315. 

  315.         <tr>
    316. 

  316.           <td></td>
    317. 

  317.           <td>)</td>
    318. 

  318.           <td></td><td></td>
    319. 

  319.         </tr>
    320. 

  320.       </table>
    321. 

  321. </div><div class="memdoc">
    322. 

  322. 

  323. <p>Faster than the common pow function but less accurate. </p>
    324. 

  324. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    325. 

  325. 

  326. </div>
    327. 

  327. </div>
    328. 

  328. <a class="anchor" id="ga29924aea1aa11c5c504fb2d621221906"></a>
    329. 

  329. <div class="memitem">
    330. 

  330. <div class="memproto">
    331. 

  331.       <table class="memname">
    332. 

  332.         <tr>
    333. 

  333.           <td class="memname">GLM_FUNC_DECL vecType&lt;T, P&gt; glm::fastPow </td>
    334. 

  334.           <td>(</td>
    335. 

  335.           <td class="paramtype">vecType&lt; T, P &gt; const &amp;&#160;</td>
    336. 

  336.           <td class="paramname"><em>x</em></td><td>)</td>
    337. 

  337.           <td></td>
    338. 

  338.         </tr>
    339. 

  339.       </table>
    340. 

  340. </div><div class="memdoc">
    341. 

  341. 

  342. <p>Faster than the common pow function but less accurate. </p>
    343. 

  343. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00194.html" title="Fast but less accurate implementations of exponential based functions. ">GLM_GTX_fast_exponential</a> </dd></dl>
    344. 

  344. 

  345. </div>
    346. 

  346. </div>
    347. 

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