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  74. <div class="header">
  75. <div class="summary">
  76. <a href="#func-members">Functions</a> </div>
  77. <div class="headertitle">
  78. <div class="title">Exponential functions<div class="ingroups"><a class="el" href="a00158.html">GLM Core</a></div></div> </div>
  79. </div><!--header-->
  80. <div class="contents">
  81. <p>These all operate component-wise.
  82. <a href="#details">More...</a></p>
  83. <table class="memberdecls">
  84. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
  85. Functions</h2></td></tr>
  86. <tr class="memitem:ga468741ae290e63c76c6cd66021f0aed4"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  87. <tr class="memitem:ga468741ae290e63c76c6cd66021f0aed4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga468741ae290e63c76c6cd66021f0aed4">exp</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  88. <tr class="memdesc:ga468741ae290e63c76c6cd66021f0aed4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the natural exponentiation of x, i.e., e^x. <a href="a00149.html#ga468741ae290e63c76c6cd66021f0aed4">More...</a><br /></td></tr>
  89. <tr class="separator:ga468741ae290e63c76c6cd66021f0aed4"><td class="memSeparator" colspan="2">&#160;</td></tr>
  90. <tr class="memitem:ga36757ebc570dc69bcaf8771bffc8fe66"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  91. <tr class="memitem:ga36757ebc570dc69bcaf8771bffc8fe66"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga36757ebc570dc69bcaf8771bffc8fe66">exp2</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  92. <tr class="memdesc:ga36757ebc570dc69bcaf8771bffc8fe66"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns 2 raised to the v power. <a href="a00149.html#ga36757ebc570dc69bcaf8771bffc8fe66">More...</a><br /></td></tr>
  93. <tr class="separator:ga36757ebc570dc69bcaf8771bffc8fe66"><td class="memSeparator" colspan="2">&#160;</td></tr>
  94. <tr class="memitem:ga994f3f9a42018b0a6664bf357517c79b"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  95. <tr class="memitem:ga994f3f9a42018b0a6664bf357517c79b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga994f3f9a42018b0a6664bf357517c79b">inversesqrt</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  96. <tr class="memdesc:ga994f3f9a42018b0a6664bf357517c79b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the reciprocal of the positive square root of v. <a href="a00149.html#ga994f3f9a42018b0a6664bf357517c79b">More...</a><br /></td></tr>
  97. <tr class="separator:ga994f3f9a42018b0a6664bf357517c79b"><td class="memSeparator" colspan="2">&#160;</td></tr>
  98. <tr class="memitem:ga2e5adba352da720dd792de225602797d"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  99. <tr class="memitem:ga2e5adba352da720dd792de225602797d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga2e5adba352da720dd792de225602797d">log</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  100. <tr class="memdesc:ga2e5adba352da720dd792de225602797d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the natural logarithm of v, i.e., returns the value y which satisfies the equation x = e^y. <a href="a00149.html#ga2e5adba352da720dd792de225602797d">More...</a><br /></td></tr>
  101. <tr class="separator:ga2e5adba352da720dd792de225602797d"><td class="memSeparator" colspan="2">&#160;</td></tr>
  102. <tr class="memitem:ga6a629ad832b14a8e21ea8a19df5aa951"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  103. <tr class="memitem:ga6a629ad832b14a8e21ea8a19df5aa951"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga6a629ad832b14a8e21ea8a19df5aa951">log2</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  104. <tr class="memdesc:ga6a629ad832b14a8e21ea8a19df5aa951"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. <a href="a00149.html#ga6a629ad832b14a8e21ea8a19df5aa951">More...</a><br /></td></tr>
  105. <tr class="separator:ga6a629ad832b14a8e21ea8a19df5aa951"><td class="memSeparator" colspan="2">&#160;</td></tr>
  106. <tr class="memitem:gaa4e20d888b7f9e05a5c6a9696b829258"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  107. <tr class="memitem:gaa4e20d888b7f9e05a5c6a9696b829258"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#gaa4e20d888b7f9e05a5c6a9696b829258">pow</a> (vec&lt; L, T, P &gt; const &amp;base, vec&lt; L, T, P &gt; const &amp;exponent)</td></tr>
  108. <tr class="memdesc:gaa4e20d888b7f9e05a5c6a9696b829258"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns 'base' raised to the power 'exponent'. <a href="a00149.html#gaa4e20d888b7f9e05a5c6a9696b829258">More...</a><br /></td></tr>
  109. <tr class="separator:gaa4e20d888b7f9e05a5c6a9696b829258"><td class="memSeparator" colspan="2">&#160;</td></tr>
  110. <tr class="memitem:ga43935741899fb441fa1e6e2f69d74f24"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
  111. <tr class="memitem:ga43935741899fb441fa1e6e2f69d74f24"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00149.html#ga43935741899fb441fa1e6e2f69d74f24">sqrt</a> (vec&lt; L, T, P &gt; const &amp;v)</td></tr>
  112. <tr class="memdesc:ga43935741899fb441fa1e6e2f69d74f24"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the positive square root of v. <a href="a00149.html#ga43935741899fb441fa1e6e2f69d74f24">More...</a><br /></td></tr>
  113. <tr class="separator:ga43935741899fb441fa1e6e2f69d74f24"><td class="memSeparator" colspan="2">&#160;</td></tr>
  114. </table>
  115. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  116. <p>These all operate component-wise. </p>
  117. <p>The description is per component. </p>
  118. <h2 class="groupheader">Function Documentation</h2>
  119. <a class="anchor" id="ga468741ae290e63c76c6cd66021f0aed4"></a>
  120. <div class="memitem">
  121. <div class="memproto">
  122. <table class="memname">
  123. <tr>
  124. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::exp </td>
  125. <td>(</td>
  126. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  127. <td class="paramname"><em>v</em></td><td>)</td>
  128. <td></td>
  129. </tr>
  130. </table>
  131. </div><div class="memdoc">
  132. <p>Returns the natural exponentiation of x, i.e., e^x. </p>
  133. <dl class="params"><dt>Parameters</dt><dd>
  134. <table class="params">
  135. <tr><td class="paramname">v</td><td>exp function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type qualifier. </td></tr>
  136. </table>
  137. </dd>
  138. </dl>
  139. <dl class="tparams"><dt>Template Parameters</dt><dd>
  140. <table class="tparams">
  141. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  142. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  143. </table>
  144. </dd>
  145. </dl>
  146. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp.xml">GLSL exp man page</a> </dd>
  147. <dd>
  148. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  149. </div>
  150. </div>
  151. <a class="anchor" id="ga36757ebc570dc69bcaf8771bffc8fe66"></a>
  152. <div class="memitem">
  153. <div class="memproto">
  154. <table class="memname">
  155. <tr>
  156. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::exp2 </td>
  157. <td>(</td>
  158. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  159. <td class="paramname"><em>v</em></td><td>)</td>
  160. <td></td>
  161. </tr>
  162. </table>
  163. </div><div class="memdoc">
  164. <p>Returns 2 raised to the v power. </p>
  165. <dl class="params"><dt>Parameters</dt><dd>
  166. <table class="params">
  167. <tr><td class="paramname">v</td><td>exp2 function is defined for input values of v defined in the range (inf-, inf+) in the limit of the type qualifier. </td></tr>
  168. </table>
  169. </dd>
  170. </dl>
  171. <dl class="tparams"><dt>Template Parameters</dt><dd>
  172. <table class="tparams">
  173. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  174. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  175. </table>
  176. </dd>
  177. </dl>
  178. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp2.xml">GLSL exp2 man page</a> </dd>
  179. <dd>
  180. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  181. </div>
  182. </div>
  183. <a class="anchor" id="ga994f3f9a42018b0a6664bf357517c79b"></a>
  184. <div class="memitem">
  185. <div class="memproto">
  186. <table class="memname">
  187. <tr>
  188. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::inversesqrt </td>
  189. <td>(</td>
  190. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  191. <td class="paramname"><em>v</em></td><td>)</td>
  192. <td></td>
  193. </tr>
  194. </table>
  195. </div><div class="memdoc">
  196. <p>Returns the reciprocal of the positive square root of v. </p>
  197. <dl class="params"><dt>Parameters</dt><dd>
  198. <table class="params">
  199. <tr><td class="paramname">v</td><td>inversesqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type qualifier. </td></tr>
  200. </table>
  201. </dd>
  202. </dl>
  203. <dl class="tparams"><dt>Template Parameters</dt><dd>
  204. <table class="tparams">
  205. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  206. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  207. </table>
  208. </dd>
  209. </dl>
  210. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/inversesqrt.xml">GLSL inversesqrt man page</a> </dd>
  211. <dd>
  212. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  213. </div>
  214. </div>
  215. <a class="anchor" id="ga2e5adba352da720dd792de225602797d"></a>
  216. <div class="memitem">
  217. <div class="memproto">
  218. <table class="memname">
  219. <tr>
  220. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::log </td>
  221. <td>(</td>
  222. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  223. <td class="paramname"><em>v</em></td><td>)</td>
  224. <td></td>
  225. </tr>
  226. </table>
  227. </div><div class="memdoc">
  228. <p>Returns the natural logarithm of v, i.e., returns the value y which satisfies the equation x = e^y. </p>
  229. <p>Results are undefined if v &lt;= 0.</p>
  230. <dl class="params"><dt>Parameters</dt><dd>
  231. <table class="params">
  232. <tr><td class="paramname">v</td><td>log function is defined for input values of v defined in the range (0, inf+) in the limit of the type qualifier. </td></tr>
  233. </table>
  234. </dd>
  235. </dl>
  236. <dl class="tparams"><dt>Template Parameters</dt><dd>
  237. <table class="tparams">
  238. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  239. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  240. </table>
  241. </dd>
  242. </dl>
  243. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log.xml">GLSL log man page</a> </dd>
  244. <dd>
  245. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  246. </div>
  247. </div>
  248. <a class="anchor" id="ga6a629ad832b14a8e21ea8a19df5aa951"></a>
  249. <div class="memitem">
  250. <div class="memproto">
  251. <table class="memname">
  252. <tr>
  253. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::log2 </td>
  254. <td>(</td>
  255. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  256. <td class="paramname"><em>v</em></td><td>)</td>
  257. <td></td>
  258. </tr>
  259. </table>
  260. </div><div class="memdoc">
  261. <p>Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. </p>
  262. <dl class="params"><dt>Parameters</dt><dd>
  263. <table class="params">
  264. <tr><td class="paramname">v</td><td>log2 function is defined for input values of v defined in the range (0, inf+) in the limit of the type qualifier. </td></tr>
  265. </table>
  266. </dd>
  267. </dl>
  268. <dl class="tparams"><dt>Template Parameters</dt><dd>
  269. <table class="tparams">
  270. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  271. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  272. </table>
  273. </dd>
  274. </dl>
  275. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log2.xml">GLSL log2 man page</a> </dd>
  276. <dd>
  277. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  278. </div>
  279. </div>
  280. <a class="anchor" id="gaa4e20d888b7f9e05a5c6a9696b829258"></a>
  281. <div class="memitem">
  282. <div class="memproto">
  283. <table class="memname">
  284. <tr>
  285. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::pow </td>
  286. <td>(</td>
  287. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  288. <td class="paramname"><em>base</em>, </td>
  289. </tr>
  290. <tr>
  291. <td class="paramkey"></td>
  292. <td></td>
  293. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  294. <td class="paramname"><em>exponent</em>&#160;</td>
  295. </tr>
  296. <tr>
  297. <td></td>
  298. <td>)</td>
  299. <td></td><td></td>
  300. </tr>
  301. </table>
  302. </div><div class="memdoc">
  303. <p>Returns 'base' raised to the power 'exponent'. </p>
  304. <dl class="params"><dt>Parameters</dt><dd>
  305. <table class="params">
  306. <tr><td class="paramname">base</td><td>Floating point value. pow function is defined for input values of 'base' defined in the range (inf-, inf+) in the limit of the type qualifier. </td></tr>
  307. <tr><td class="paramname">exponent</td><td>Floating point value representing the 'exponent'.</td></tr>
  308. </table>
  309. </dd>
  310. </dl>
  311. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/pow.xml">GLSL pow man page</a> </dd>
  312. <dd>
  313. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  314. </div>
  315. </div>
  316. <a class="anchor" id="ga43935741899fb441fa1e6e2f69d74f24"></a>
  317. <div class="memitem">
  318. <div class="memproto">
  319. <table class="memname">
  320. <tr>
  321. <td class="memname">GLM_FUNC_DECL vec&lt;L, T, P&gt; glm::sqrt </td>
  322. <td>(</td>
  323. <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
  324. <td class="paramname"><em>v</em></td><td>)</td>
  325. <td></td>
  326. </tr>
  327. </table>
  328. </div><div class="memdoc">
  329. <p>Returns the positive square root of v. </p>
  330. <dl class="params"><dt>Parameters</dt><dd>
  331. <table class="params">
  332. <tr><td class="paramname">v</td><td>sqrt function is defined for input values of v defined in the range [0, inf+) in the limit of the type qualifier. </td></tr>
  333. </table>
  334. </dd>
  335. </dl>
  336. <dl class="tparams"><dt>Template Parameters</dt><dd>
  337. <table class="tparams">
  338. <tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
  339. <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
  340. </table>
  341. </dd>
  342. </dl>
  343. <dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sqrt.xml">GLSL sqrt man page</a> </dd>
  344. <dd>
  345. <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>
  346. </div>
  347. </div>
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