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  66. <a href="#func-members">Functions</a>  </div>
    67. 

  67.   <div class="headertitle">
    68. 

  68. <div class="title">GLM_EXT_quaternion_common<div class="ingroups"><a class="el" href="a00903.html">Stable extensions</a></div></div>  </div>
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  69. </div><!--header-->
    70. 

  70. <div class="contents">
    71. 

  71. <table class="memberdecls">
    72. 

  72. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    73. 

  73. Functions</h2></td></tr>
    74. 

  74. <tr class="memitem:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    75. 

  75. <tr class="memitem:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#ga5b646f1cd4422eb76ab90496bcd0b60a">conjugate</a> (qua&lt; T, Q &gt; const &amp;q)</td></tr>
    76. 

  76. <tr class="memdesc:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q conjugate.  <a href="a00856.html#ga5b646f1cd4422eb76ab90496bcd0b60a">More...</a><br /></td></tr>
    77. 

  77. <tr class="separator:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    78. 

  78. <tr class="memitem:ga50db49335150de11562052667537e517"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    79. 

  79. <tr class="memitem:ga50db49335150de11562052667537e517"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#ga50db49335150de11562052667537e517">inverse</a> (qua&lt; T, Q &gt; const &amp;q)</td></tr>
    80. 

  80. <tr class="memdesc:ga50db49335150de11562052667537e517"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q inverse.  <a href="a00856.html#ga50db49335150de11562052667537e517">More...</a><br /></td></tr>
    81. 

  81. <tr class="separator:ga50db49335150de11562052667537e517"><td class="memSeparator" colspan="2">&#160;</td></tr>
    82. 

  82. <tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    83. 

  83. <tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#ga45722741ea266b4e861938b365c5f362">isinf</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    84. 

  84. <tr class="memdesc:ga45722741ea266b4e861938b365c5f362"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations.  <a href="a00856.html#ga45722741ea266b4e861938b365c5f362">More...</a><br /></td></tr>
    85. 

  85. <tr class="separator:ga45722741ea266b4e861938b365c5f362"><td class="memSeparator" colspan="2">&#160;</td></tr>
    86. 

  86. <tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    87. 

  87. <tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#ga1bb55f8963616502e96dc564384d8a03">isnan</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    88. 

  88. <tr class="memdesc:ga1bb55f8963616502e96dc564384d8a03"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if x holds a NaN (not a number) representation in the underlying implementation's set of floating point representations.  <a href="a00856.html#ga1bb55f8963616502e96dc564384d8a03">More...</a><br /></td></tr>
    89. 

  89. <tr class="separator:ga1bb55f8963616502e96dc564384d8a03"><td class="memSeparator" colspan="2">&#160;</td></tr>
    90. 

  90. <tr class="memitem:gaacd3d0591852faa4bc291b61da88ad44"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    91. 

  91. <tr class="memitem:gaacd3d0591852faa4bc291b61da88ad44"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#gaacd3d0591852faa4bc291b61da88ad44">lerp</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr>
    92. 

  92. <tr class="memdesc:gaacd3d0591852faa4bc291b61da88ad44"><td class="mdescLeft">&#160;</td><td class="mdescRight">Linear interpolation of two quaternions.  <a href="a00856.html#gaacd3d0591852faa4bc291b61da88ad44">More...</a><br /></td></tr>
    93. 

  93. <tr class="separator:gaacd3d0591852faa4bc291b61da88ad44"><td class="memSeparator" colspan="2">&#160;</td></tr>
    94. 

  94. <tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    95. 

  95. <tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#gafbfe587b8da11fb89a30c3d67dd5ccc2">mix</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr>
    96. 

  96. <tr class="memdesc:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00856.html#gafbfe587b8da11fb89a30c3d67dd5ccc2">More...</a><br /></td></tr>
    97. 

  97. <tr class="separator:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memSeparator" colspan="2">&#160;</td></tr>
    98. 

  98. <tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    99. 

  99. <tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#gae7fc3c945be366b9942b842f55da428a">slerp</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr>
    100. 

  100. <tr class="memdesc:gae7fc3c945be366b9942b842f55da428a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00856.html#gae7fc3c945be366b9942b842f55da428a">More...</a><br /></td></tr>
    101. 

  101. <tr class="separator:gae7fc3c945be366b9942b842f55da428a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    102. 

  102. <tr class="memitem:ga8514da9c52cfee86f716cc0933ce118a"><td class="memTemplParams" colspan="2">template&lt;typename T , typename S , qualifier Q&gt; </td></tr>
    103. 

  103. <tr class="memitem:ga8514da9c52cfee86f716cc0933ce118a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00856.html#ga8514da9c52cfee86f716cc0933ce118a">slerp</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a, S k)</td></tr>
    104. 

  104. <tr class="memdesc:ga8514da9c52cfee86f716cc0933ce118a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions with multiple spins over rotation axis.  <a href="a00856.html#ga8514da9c52cfee86f716cc0933ce118a">More...</a><br /></td></tr>
    105. 

  105. <tr class="separator:ga8514da9c52cfee86f716cc0933ce118a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    106. 

  106. </table>
    107. 

  107. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    108. 

  108. <p>Provides common functions for quaternion types</p>
    109. 

  109. <p>Include &lt;<a class="el" href="a00326.html" title="GLM_EXT_quaternion_common">glm/ext/quaternion_common.hpp</a>&gt; to use the features of this extension.</p>
    110. 

  110. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00866.html">GLM_EXT_scalar_common</a> </dd>
    111. 

  111. <dd>
    112. 

  112. <a class="el" href="a00877.html">GLM_EXT_vector_common</a> </dd>
    113. 

  113. <dd>
    114. 

  114. <a class="el" href="a00860.html">GLM_EXT_quaternion_float</a> </dd>
    115. 

  115. <dd>
    116. 

  116. <a class="el" href="a00857.html">GLM_EXT_quaternion_double</a> </dd>
    117. 

  117. <dd>
    118. 

  118. <a class="el" href="a00859.html">GLM_EXT_quaternion_exponential</a> </dd>
    119. 

  119. <dd>
    120. 

  120. <a class="el" href="a00862.html">GLM_EXT_quaternion_geometric</a> </dd>
    121. 

  121. <dd>
    122. 

  122. <a class="el" href="a00863.html">GLM_EXT_quaternion_relational</a> </dd>
    123. 

  123. <dd>
    124. 

  124. <a class="el" href="a00865.html">GLM_EXT_quaternion_trigonometric</a> </dd>
    125. 

  125. <dd>
    126. 

  126. <a class="el" href="a00864.html">GLM_EXT_quaternion_transform</a> </dd></dl>
    127. 

  127. <h2 class="groupheader">Function Documentation</h2>
    128. 

  128. <a id="ga5b646f1cd4422eb76ab90496bcd0b60a"></a>
    129. 

  129. <h2 class="memtitle"><span class="permalink"><a href="#ga5b646f1cd4422eb76ab90496bcd0b60a">&#9670;&nbsp;</a></span>conjugate()</h2>
    130. 

  130. 

  131. <div class="memitem">
    132. 

  132. <div class="memproto">
    133. 

  133.       <table class="memname">
    134. 

  134.         <tr>
    135. 

  135.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR qua&lt;T, Q&gt; glm::conjugate </td>
    136. 

  136.           <td>(</td>
    137. 

  137.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    138. 

  138.           <td class="paramname"><em>q</em></td><td>)</td>
    139. 

  139.           <td></td>
    140. 

  140.         </tr>
    141. 

  141.       </table>
    142. 

  142. </div><div class="memdoc">
    143. 

  143. 

  144. <p>Returns the q conjugate. </p>
    145. 

  145. <dl class="tparams"><dt>Template Parameters</dt><dd>
    146. 

  146.   <table class="tparams">
    147. 

  147.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    148. 

  148.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    149. 

  149.   </table>
    150. 

  150.   </dd>
    151. 

  151. </dl>
    152. 

  152. 

  153. </div>
    154. 

  154. </div>
    155. 

  155. <a id="ga50db49335150de11562052667537e517"></a>
    156. 

  156. <h2 class="memtitle"><span class="permalink"><a href="#ga50db49335150de11562052667537e517">&#9670;&nbsp;</a></span>inverse()</h2>
    157. 

  157. 

  158. <div class="memitem">
    159. 

  159. <div class="memproto">
    160. 

  160.       <table class="memname">
    161. 

  161.         <tr>
    162. 

  162.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR qua&lt;T, Q&gt; glm::inverse </td>
    163. 

  163.           <td>(</td>
    164. 

  164.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    165. 

  165.           <td class="paramname"><em>q</em></td><td>)</td>
    166. 

  166.           <td></td>
    167. 

  167.         </tr>
    168. 

  168.       </table>
    169. 

  169. </div><div class="memdoc">
    170. 

  170. 

  171. <p>Returns the q inverse. </p>
    172. 

  172. <dl class="tparams"><dt>Template Parameters</dt><dd>
    173. 

  173.   <table class="tparams">
    174. 

  174.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    175. 

  175.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    176. 

  176.   </table>
    177. 

  177.   </dd>
    178. 

  178. </dl>
    179. 

  179. 

  180. </div>
    181. 

  181. </div>
    182. 

  182. <a id="ga45722741ea266b4e861938b365c5f362"></a>
    183. 

  183. <h2 class="memtitle"><span class="permalink"><a href="#ga45722741ea266b4e861938b365c5f362">&#9670;&nbsp;</a></span>isinf()</h2>
    184. 

  184. 

  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 vec&lt;4, bool, Q&gt; glm::isinf </td>
    190. 

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

  191.           <td class="paramtype">qua&lt; T, Q &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>Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations. </p>
    199. 

  199. <p>Returns false otherwise, including for implementations with no infinity representations.</p>
    200. 

  200. <dl class="tparams"><dt>Template Parameters</dt><dd>
    201. 

  201.   <table class="tparams">
    202. 

  202.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    203. 

  203.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    204. 

  204.   </table>
    205. 

  205.   </dd>
    206. 

  206. </dl>
    207. 

  207. 

  208. </div>
    209. 

  209. </div>
    210. 

  210. <a id="ga1bb55f8963616502e96dc564384d8a03"></a>
    211. 

  211. <h2 class="memtitle"><span class="permalink"><a href="#ga1bb55f8963616502e96dc564384d8a03">&#9670;&nbsp;</a></span>isnan()</h2>
    212. 

  212. 

  213. <div class="memitem">
    214. 

  214. <div class="memproto">
    215. 

  215.       <table class="memname">
    216. 

  216.         <tr>
    217. 

  217.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, Q&gt; glm::isnan </td>
    218. 

  218.           <td>(</td>
    219. 

  219.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    220. 

  220.           <td class="paramname"><em>x</em></td><td>)</td>
    221. 

  221.           <td></td>
    222. 

  222.         </tr>
    223. 

  223.       </table>
    224. 

  224. </div><div class="memdoc">
    225. 

  225. 

  226. <p>Returns true if x holds a NaN (not a number) representation in the underlying implementation's set of floating point representations. </p>
    227. 

  227. <p>Returns false otherwise, including for implementations with no NaN representations.</p>
    228. 

  228. <p>/!\ When using compiler fast math, this function may fail.</p>
    229. 

  229. <dl class="tparams"><dt>Template Parameters</dt><dd>
    230. 

  230.   <table class="tparams">
    231. 

  231.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    232. 

  232.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    233. 

  233.   </table>
    234. 

  234.   </dd>
    235. 

  235. </dl>
    236. 

  236. 

  237. </div>
    238. 

  238. </div>
    239. 

  239. <a id="gaacd3d0591852faa4bc291b61da88ad44"></a>
    240. 

  240. <h2 class="memtitle"><span class="permalink"><a href="#gaacd3d0591852faa4bc291b61da88ad44">&#9670;&nbsp;</a></span>lerp()</h2>
    241. 

  241. 

  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 GLM_CONSTEXPR qua&lt;T, Q&gt; glm::lerp </td>
    247. 

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

  248.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#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">qua&lt; T, Q &gt; const &amp;&#160;</td>
    255. 

  255.           <td class="paramname"><em>y</em>, </td>
    256. 

  256.         </tr>
    257. 

  257.         <tr>
    258. 

  258.           <td class="paramkey"></td>
    259. 

  259.           <td></td>
    260. 

  260.           <td class="paramtype">T&#160;</td>
    261. 

  261.           <td class="paramname"><em>a</em>&#160;</td>
    262. 

  262.         </tr>
    263. 

  263.         <tr>
    264. 

  264.           <td></td>
    265. 

  265.           <td>)</td>
    266. 

  266.           <td></td><td></td>
    267. 

  267.         </tr>
    268. 

  268.       </table>
    269. 

  269. </div><div class="memdoc">
    270. 

  270. 

  271. <p>Linear interpolation of two quaternions. </p>
    272. 

  272. <p>The interpolation is oriented.</p>
    273. 

  273. <dl class="params"><dt>Parameters</dt><dd>
    274. 

  274.   <table class="params">
    275. 

  275.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    276. 

  276.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    277. 

  277.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined in the range [0, 1].</td></tr>
    278. 

  278.   </table>
    279. 

  279.   </dd>
    280. 

  280. </dl>
    281. 

  281. <dl class="tparams"><dt>Template Parameters</dt><dd>
    282. 

  282.   <table class="tparams">
    283. 

  283.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    284. 

  284.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    285. 

  285.   </table>
    286. 

  286.   </dd>
    287. 

  287. </dl>
    288. 

  288. 

  289. </div>
    290. 

  290. </div>
    291. 

  291. <a id="gafbfe587b8da11fb89a30c3d67dd5ccc2"></a>
    292. 

  292. <h2 class="memtitle"><span class="permalink"><a href="#gafbfe587b8da11fb89a30c3d67dd5ccc2">&#9670;&nbsp;</a></span>mix()</h2>
    293. 

  293. 

  294. <div class="memitem">
    295. 

  295. <div class="memproto">
    296. 

  296.       <table class="memname">
    297. 

  297.         <tr>
    298. 

  298.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::mix </td>
    299. 

  299.           <td>(</td>
    300. 

  300.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    301. 

  301.           <td class="paramname"><em>x</em>, </td>
    302. 

  302.         </tr>
    303. 

  303.         <tr>
    304. 

  304.           <td class="paramkey"></td>
    305. 

  305.           <td></td>
    306. 

  306.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    307. 

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

  308.         </tr>
    309. 

  309.         <tr>
    310. 

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

  311.           <td></td>
    312. 

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

  313.           <td class="paramname"><em>a</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>Spherical linear interpolation of two quaternions. </p>
    324. 

  324. <p>The interpolation is oriented and the rotation is performed at constant speed. For short path spherical linear interpolation, use the slerp function.</p>
    325. 

  325. <dl class="params"><dt>Parameters</dt><dd>
    326. 

  326.   <table class="params">
    327. 

  327.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    328. 

  328.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    329. 

  329.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>
    330. 

  330.   </table>
    331. 

  331.   </dd>
    332. 

  332. </dl>
    333. 

  333. <dl class="tparams"><dt>Template Parameters</dt><dd>
    334. 

  334.   <table class="tparams">
    335. 

  335.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    336. 

  336.     <tr><td class="paramname">Q</td><td>A value from qualifier enum</td></tr>
    337. 

  337.   </table>
    338. 

  338.   </dd>
    339. 

  339. </dl>
    340. 

  340. <dl class="section see"><dt>See also</dt><dd>- slerp(qua&lt;T, Q&gt; const&amp; x, qua&lt;T, Q&gt; const&amp; y, T const&amp; a) </dd></dl>
    341. 

  341. 

  342. </div>
    343. 

  343. </div>
    344. 

  344. <a id="gae7fc3c945be366b9942b842f55da428a"></a>
    345. 

  345. <h2 class="memtitle"><span class="permalink"><a href="#gae7fc3c945be366b9942b842f55da428a">&#9670;&nbsp;</a></span>slerp() <span class="overload">[1/2]</span></h2>
    346. 

  346. 

  347. <div class="memitem">
    348. 

  348. <div class="memproto">
    349. 

  349.       <table class="memname">
    350. 

  350.         <tr>
    351. 

  351.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::slerp </td>
    352. 

  352.           <td>(</td>
    353. 

  353.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    354. 

  354.           <td class="paramname"><em>x</em>, </td>
    355. 

  355.         </tr>
    356. 

  356.         <tr>
    357. 

  357.           <td class="paramkey"></td>
    358. 

  358.           <td></td>
    359. 

  359.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    360. 

  360.           <td class="paramname"><em>y</em>, </td>
    361. 

  361.         </tr>
    362. 

  362.         <tr>
    363. 

  363.           <td class="paramkey"></td>
    364. 

  364.           <td></td>
    365. 

  365.           <td class="paramtype">T&#160;</td>
    366. 

  366.           <td class="paramname"><em>a</em>&#160;</td>
    367. 

  367.         </tr>
    368. 

  368.         <tr>
    369. 

  369.           <td></td>
    370. 

  370.           <td>)</td>
    371. 

  371.           <td></td><td></td>
    372. 

  372.         </tr>
    373. 

  373.       </table>
    374. 

  374. </div><div class="memdoc">
    375. 

  375. 

  376. <p>Spherical linear interpolation of two quaternions. </p>
    377. 

  377. <p>The interpolation always take the short path and the rotation is performed at constant speed.</p>
    378. 

  378. <dl class="params"><dt>Parameters</dt><dd>
    379. 

  379.   <table class="params">
    380. 

  380.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    381. 

  381.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    382. 

  382.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>
    383. 

  383.   </table>
    384. 

  384.   </dd>
    385. 

  385. </dl>
    386. 

  386. <dl class="tparams"><dt>Template Parameters</dt><dd>
    387. 

  387.   <table class="tparams">
    388. 

  388.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    389. 

  389.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    390. 

  390.   </table>
    391. 

  391.   </dd>
    392. 

  392. </dl>
    393. 

  393. 

  394. </div>
    395. 

  395. </div>
    396. 

  396. <a id="ga8514da9c52cfee86f716cc0933ce118a"></a>
    397. 

  397. <h2 class="memtitle"><span class="permalink"><a href="#ga8514da9c52cfee86f716cc0933ce118a">&#9670;&nbsp;</a></span>slerp() <span class="overload">[2/2]</span></h2>
    398. 

  398. 

  399. <div class="memitem">
    400. 

  400. <div class="memproto">
    401. 

  401.       <table class="memname">
    402. 

  402.         <tr>
    403. 

  403.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::slerp </td>
    404. 

  404.           <td>(</td>
    405. 

  405.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    406. 

  406.           <td class="paramname"><em>x</em>, </td>
    407. 

  407.         </tr>
    408. 

  408.         <tr>
    409. 

  409.           <td class="paramkey"></td>
    410. 

  410.           <td></td>
    411. 

  411.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    412. 

  412.           <td class="paramname"><em>y</em>, </td>
    413. 

  413.         </tr>
    414. 

  414.         <tr>
    415. 

  415.           <td class="paramkey"></td>
    416. 

  416.           <td></td>
    417. 

  417.           <td class="paramtype">T&#160;</td>
    418. 

  418.           <td class="paramname"><em>a</em>, </td>
    419. 

  419.         </tr>
    420. 

  420.         <tr>
    421. 

  421.           <td class="paramkey"></td>
    422. 

  422.           <td></td>
    423. 

  423.           <td class="paramtype">S&#160;</td>
    424. 

  424.           <td class="paramname"><em>k</em>&#160;</td>
    425. 

  425.         </tr>
    426. 

  426.         <tr>
    427. 

  427.           <td></td>
    428. 

  428.           <td>)</td>
    429. 

  429.           <td></td><td></td>
    430. 

  430.         </tr>
    431. 

  431.       </table>
    432. 

  432. </div><div class="memdoc">
    433. 

  433. 

  434. <p>Spherical linear interpolation of two quaternions with multiple spins over rotation axis. </p>
    435. 

  435. <p>The interpolation always take the short path when the spin count is positive and long path when count is negative. Rotation is performed at constant speed.</p>
    436. 

  436. <dl class="params"><dt>Parameters</dt><dd>
    437. 

  437.   <table class="params">
    438. 

  438.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    439. 

  439.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    440. 

  440.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
    441. 

  441.     <tr><td class="paramname">k</td><td>Additional spin count. If Value is negative interpolation will be on "long" path.</td></tr>
    442. 

  442.   </table>
    443. 

  443.   </dd>
    444. 

  444. </dl>
    445. 

  445. <dl class="tparams"><dt>Template Parameters</dt><dd>
    446. 

  446.   <table class="tparams">
    447. 

  447.     <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
    448. 

  448.     <tr><td class="paramname">S</td><td>An integer scalar type </td></tr>
    449. 

  449.     <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
    450. 

  450.   </table>
    451. 

  451.   </dd>
    452. 

  452. </dl>
    453. 

  453. 

  454. </div>
    455. 

  455. </div>
    456. 

  456. </div><!-- contents -->
    457. 

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    458. 

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    459. 

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