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

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

  68. <div class="title">GLM_GTC_quaternion<div class="ingroups"><a class="el" href="a00904.html">Recommended extensions</a></div></div>  </div>
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  69. </div><!--header-->
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  70. <div class="contents">
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  71. <table class="memberdecls">
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  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:gaf4dd967dead22dd932fc7460ceecb03f"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    75. 

  75. <tr class="memitem:gaf4dd967dead22dd932fc7460ceecb03f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 3, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#gaf4dd967dead22dd932fc7460ceecb03f">eulerAngles</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    76. 

  76. <tr class="memdesc:gaf4dd967dead22dd932fc7460ceecb03f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns euler angles, pitch as x, yaw as y, roll as z.  <a href="a00917.html#gaf4dd967dead22dd932fc7460ceecb03f">More...</a><br /></td></tr>
    77. 

  77. <tr class="separator:gaf4dd967dead22dd932fc7460ceecb03f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    78. 

  78. <tr class="memitem:gab52513c338f90e9ba249faabdc115b67"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    79. 

  79. <tr class="memitem:gab52513c338f90e9ba249faabdc115b67"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#gab52513c338f90e9ba249faabdc115b67">greaterThan</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y)</td></tr>
    80. 

  80. <tr class="memdesc:gab52513c338f90e9ba249faabdc115b67"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt; y.  <a href="a00917.html#gab52513c338f90e9ba249faabdc115b67">More...</a><br /></td></tr>
    81. 

  81. <tr class="separator:gab52513c338f90e9ba249faabdc115b67"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  82. <tr class="memitem:gaa71814c544f0ed99ba6d141b17e026ae"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    83. 

  83. <tr class="memitem:gaa71814c544f0ed99ba6d141b17e026ae"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#gaa71814c544f0ed99ba6d141b17e026ae">greaterThanEqual</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y)</td></tr>
    84. 

  84. <tr class="memdesc:gaa71814c544f0ed99ba6d141b17e026ae"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt;= y.  <a href="a00917.html#gaa71814c544f0ed99ba6d141b17e026ae">More...</a><br /></td></tr>
    85. 

  85. <tr class="separator:gaa71814c544f0ed99ba6d141b17e026ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  86. <tr class="memitem:gae0ed978b5c2588d53b220e9ceebaca0b"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    87. 

  87. <tr class="memitem:gae0ed978b5c2588d53b220e9ceebaca0b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#gae0ed978b5c2588d53b220e9ceebaca0b">lessThan</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y)</td></tr>
    88. 

  88. <tr class="memdesc:gae0ed978b5c2588d53b220e9ceebaca0b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison result of x &lt; y.  <a href="a00917.html#gae0ed978b5c2588d53b220e9ceebaca0b">More...</a><br /></td></tr>
    89. 

  89. <tr class="separator:gae0ed978b5c2588d53b220e9ceebaca0b"><td class="memSeparator" colspan="2">&#160;</td></tr>
    90. 

  90. <tr class="memitem:ga3ee1ffe56e5428f659c51a5bfd67ab33"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    91. 

  91. <tr class="memitem:ga3ee1ffe56e5428f659c51a5bfd67ab33"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga3ee1ffe56e5428f659c51a5bfd67ab33">lessThanEqual</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y)</td></tr>
    92. 

  92. <tr class="memdesc:ga3ee1ffe56e5428f659c51a5bfd67ab33"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &lt;= y.  <a href="a00917.html#ga3ee1ffe56e5428f659c51a5bfd67ab33">More...</a><br /></td></tr>
    93. 

  93. <tr class="separator:ga3ee1ffe56e5428f659c51a5bfd67ab33"><td class="memSeparator" colspan="2">&#160;</td></tr>
    94. 

  94. <tr class="memitem:ga333ab70047fbe4132406100c292dbc89"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    95. 

  95. <tr class="memitem:ga333ab70047fbe4132406100c292dbc89"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 3, 3, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga333ab70047fbe4132406100c292dbc89">mat3_cast</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    96. 

  96. <tr class="memdesc:ga333ab70047fbe4132406100c292dbc89"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 3 * 3 matrix.  <a href="a00917.html#ga333ab70047fbe4132406100c292dbc89">More...</a><br /></td></tr>
    97. 

  97. <tr class="separator:ga333ab70047fbe4132406100c292dbc89"><td class="memSeparator" colspan="2">&#160;</td></tr>
    98. 

  98. <tr class="memitem:ga1113212d9bdefc2e31ad40e5bbb506f3"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    99. 

  99. <tr class="memitem:ga1113212d9bdefc2e31ad40e5bbb506f3"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 4, 4, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga1113212d9bdefc2e31ad40e5bbb506f3">mat4_cast</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    100. 

  100. <tr class="memdesc:ga1113212d9bdefc2e31ad40e5bbb506f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 4 * 4 matrix.  <a href="a00917.html#ga1113212d9bdefc2e31ad40e5bbb506f3">More...</a><br /></td></tr>
    101. 

  101. <tr class="separator:ga1113212d9bdefc2e31ad40e5bbb506f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
    102. 

  102. <tr class="memitem:ga7603e81477b46ddb448896909bc04928"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    103. 

  103. <tr class="memitem:ga7603e81477b46ddb448896909bc04928"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga7603e81477b46ddb448896909bc04928">pitch</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    104. 

  104. <tr class="memdesc:ga7603e81477b46ddb448896909bc04928"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns pitch value of euler angles expressed in radians.  <a href="a00917.html#ga7603e81477b46ddb448896909bc04928">More...</a><br /></td></tr>
    105. 

  105. <tr class="separator:ga7603e81477b46ddb448896909bc04928"><td class="memSeparator" colspan="2">&#160;</td></tr>
    106. 

  106. <tr class="memitem:ga1108a4ab88ca87bac321454eea7702f8"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    107. 

  107. <tr class="memitem:ga1108a4ab88ca87bac321454eea7702f8"><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="a00917.html#ga1108a4ab88ca87bac321454eea7702f8">quat_cast</a> (mat&lt; 3, 3, T, Q &gt; const &amp;x)</td></tr>
    108. 

  108. <tr class="memdesc:ga1108a4ab88ca87bac321454eea7702f8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a pure rotation 3 * 3 matrix to a quaternion.  <a href="a00917.html#ga1108a4ab88ca87bac321454eea7702f8">More...</a><br /></td></tr>
    109. 

  109. <tr class="separator:ga1108a4ab88ca87bac321454eea7702f8"><td class="memSeparator" colspan="2">&#160;</td></tr>
    110. 

  110. <tr class="memitem:ga4524810f07f72e8c7bdc7764fa11cb58"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    111. 

  111. <tr class="memitem:ga4524810f07f72e8c7bdc7764fa11cb58"><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="a00917.html#ga4524810f07f72e8c7bdc7764fa11cb58">quat_cast</a> (mat&lt; 4, 4, T, Q &gt; const &amp;x)</td></tr>
    112. 

  112. <tr class="memdesc:ga4524810f07f72e8c7bdc7764fa11cb58"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a pure rotation 4 * 4 matrix to a quaternion.  <a href="a00917.html#ga4524810f07f72e8c7bdc7764fa11cb58">More...</a><br /></td></tr>
    113. 

  113. <tr class="separator:ga4524810f07f72e8c7bdc7764fa11cb58"><td class="memSeparator" colspan="2">&#160;</td></tr>
    114. 

  114. <tr class="memitem:gabe7fc5ec5feb41ab234d5d2b6254697f"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    115. 

  115. <tr class="memitem:gabe7fc5ec5feb41ab234d5d2b6254697f"><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="a00917.html#gabe7fc5ec5feb41ab234d5d2b6254697f">quatLookAt</a> (vec&lt; 3, T, Q &gt; const &amp;direction, vec&lt; 3, T, Q &gt; const &amp;up)</td></tr>
    116. 

  116. <tr class="memdesc:gabe7fc5ec5feb41ab234d5d2b6254697f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a look at quaternion based on the default handedness.  <a href="a00917.html#gabe7fc5ec5feb41ab234d5d2b6254697f">More...</a><br /></td></tr>
    117. 

  117. <tr class="separator:gabe7fc5ec5feb41ab234d5d2b6254697f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    118. 

  118. <tr class="memitem:ga2da350c73411be3bb19441b226b81a74"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    119. 

  119. <tr class="memitem:ga2da350c73411be3bb19441b226b81a74"><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="a00917.html#ga2da350c73411be3bb19441b226b81a74">quatLookAtLH</a> (vec&lt; 3, T, Q &gt; const &amp;direction, vec&lt; 3, T, Q &gt; const &amp;up)</td></tr>
    120. 

  120. <tr class="memdesc:ga2da350c73411be3bb19441b226b81a74"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a left-handed look at quaternion.  <a href="a00917.html#ga2da350c73411be3bb19441b226b81a74">More...</a><br /></td></tr>
    121. 

  121. <tr class="separator:ga2da350c73411be3bb19441b226b81a74"><td class="memSeparator" colspan="2">&#160;</td></tr>
    122. 

  122. <tr class="memitem:gaf6529ac8c04a57fcc35865b5c9437cc8"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    123. 

  123. <tr class="memitem:gaf6529ac8c04a57fcc35865b5c9437cc8"><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="a00917.html#gaf6529ac8c04a57fcc35865b5c9437cc8">quatLookAtRH</a> (vec&lt; 3, T, Q &gt; const &amp;direction, vec&lt; 3, T, Q &gt; const &amp;up)</td></tr>
    124. 

  124. <tr class="memdesc:gaf6529ac8c04a57fcc35865b5c9437cc8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a right-handed look at quaternion.  <a href="a00917.html#gaf6529ac8c04a57fcc35865b5c9437cc8">More...</a><br /></td></tr>
    125. 

  125. <tr class="separator:gaf6529ac8c04a57fcc35865b5c9437cc8"><td class="memSeparator" colspan="2">&#160;</td></tr>
    126. 

  126. <tr class="memitem:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    127. 

  127. <tr class="memitem:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga0cc5ad970d0b00829b139fe0fe5a1e13">roll</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    128. 

  128. <tr class="memdesc:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns roll value of euler angles expressed in radians.  <a href="a00917.html#ga0cc5ad970d0b00829b139fe0fe5a1e13">More...</a><br /></td></tr>
    129. 

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    130. 

  130. <tr class="memitem:ga8da38cdfdc452dafa660c2f46506bad5"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
    131. 

  131. <tr class="memitem:ga8da38cdfdc452dafa660c2f46506bad5"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00917.html#ga8da38cdfdc452dafa660c2f46506bad5">yaw</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr>
    132. 

  132. <tr class="memdesc:ga8da38cdfdc452dafa660c2f46506bad5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns yaw value of euler angles expressed in radians.  <a href="a00917.html#ga8da38cdfdc452dafa660c2f46506bad5">More...</a><br /></td></tr>
    133. 

  133. <tr class="separator:ga8da38cdfdc452dafa660c2f46506bad5"><td class="memSeparator" colspan="2">&#160;</td></tr>
    134. 

  134. </table>
    135. 

  135. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    136. 

  136. <p>Include &lt;<a class="el" href="a01711.html" title="GLM_GTC_quaternion">glm/gtc/quaternion.hpp</a>&gt; to use the features of this extension.</p>
    137. 

  137. <p>Defines a templated quaternion type and several quaternion operations. </p>
    138. 

  138. <h2 class="groupheader">Function Documentation</h2>
    139. 

  139. <a id="gaf4dd967dead22dd932fc7460ceecb03f"></a>
    140. 

  140. <h2 class="memtitle"><span class="permalink"><a href="#gaf4dd967dead22dd932fc7460ceecb03f">&#9670;&nbsp;</a></span>eulerAngles()</h2>
    141. 

  141. 

  142. <div class="memitem">
    143. 

  143. <div class="memproto">
    144. 

  144.       <table class="memname">
    145. 

  145.         <tr>
    146. 

  146.           <td class="memname">GLM_FUNC_DECL vec&lt;3, T, Q&gt; glm::eulerAngles </td>
    147. 

  147.           <td>(</td>
    148. 

  148.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    149. 

  149.           <td class="paramname"><em>x</em></td><td>)</td>
    150. 

  150.           <td></td>
    151. 

  151.         </tr>
    152. 

  152.       </table>
    153. 

  153. </div><div class="memdoc">
    154. 

  154. 

  155. <p>Returns euler angles, pitch as x, yaw as y, roll as z. </p>
    156. 

  156. <p>The result is expressed in radians.</p>
    157. 

  157. <dl class="tparams"><dt>Template Parameters</dt><dd>
    158. 

  158.   <table class="tparams">
    159. 

  159.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    160. 

  160.   </table>
    161. 

  161.   </dd>
    162. 

  162. </dl>
    163. 

  163. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    164. 

  164. 

  165. </div>
    166. 

  166. </div>
    167. 

  167. <a id="gab52513c338f90e9ba249faabdc115b67"></a>
    168. 

  168. <h2 class="memtitle"><span class="permalink"><a href="#gab52513c338f90e9ba249faabdc115b67">&#9670;&nbsp;</a></span>greaterThan()</h2>
    169. 

  169. 

  170. <div class="memitem">
    171. 

  171. <div class="memproto">
    172. 

  172.       <table class="memname">
    173. 

  173.         <tr>
    174. 

  174.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt;4, bool, Q&gt; glm::greaterThan </td>
    175. 

  175.           <td>(</td>
    176. 

  176.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    177. 

  177.           <td class="paramname"><em>x</em>, </td>
    178. 

  178.         </tr>
    179. 

  179.         <tr>
    180. 

  180.           <td class="paramkey"></td>
    181. 

  181.           <td></td>
    182. 

  182.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    183. 

  183.           <td class="paramname"><em>y</em>&#160;</td>
    184. 

  184.         </tr>
    185. 

  185.         <tr>
    186. 

  186.           <td></td>
    187. 

  187.           <td>)</td>
    188. 

  188.           <td></td><td></td>
    189. 

  189.         </tr>
    190. 

  190.       </table>
    191. 

  191. </div><div class="memdoc">
    192. 

  192. 

  193. <p>Returns the component-wise comparison of result x &gt; y. </p>
    194. 

  194. <dl class="tparams"><dt>Template Parameters</dt><dd>
    195. 

  195.   <table class="tparams">
    196. 

  196.     <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    197. 

  197.     <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
    198. 

  198.   </table>
    199. 

  199.   </dd>
    200. 

  200. </dl>
    201. 

  201. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00863.html">GLM_EXT_quaternion_relational</a> </dd></dl>
    202. 

  202. 

  203. </div>
    204. 

  204. </div>
    205. 

  205. <a id="gaa71814c544f0ed99ba6d141b17e026ae"></a>
    206. 

  206. <h2 class="memtitle"><span class="permalink"><a href="#gaa71814c544f0ed99ba6d141b17e026ae">&#9670;&nbsp;</a></span>greaterThanEqual()</h2>
    207. 

  207. 

  208. <div class="memitem">
    209. 

  209. <div class="memproto">
    210. 

  210.       <table class="memname">
    211. 

  211.         <tr>
    212. 

  212.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt;4, bool, Q&gt; glm::greaterThanEqual </td>
    213. 

  213.           <td>(</td>
    214. 

  214.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    215. 

  215.           <td class="paramname"><em>x</em>, </td>
    216. 

  216.         </tr>
    217. 

  217.         <tr>
    218. 

  218.           <td class="paramkey"></td>
    219. 

  219.           <td></td>
    220. 

  220.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    221. 

  221.           <td class="paramname"><em>y</em>&#160;</td>
    222. 

  222.         </tr>
    223. 

  223.         <tr>
    224. 

  224.           <td></td>
    225. 

  225.           <td>)</td>
    226. 

  226.           <td></td><td></td>
    227. 

  227.         </tr>
    228. 

  228.       </table>
    229. 

  229. </div><div class="memdoc">
    230. 

  230. 

  231. <p>Returns the component-wise comparison of result x &gt;= y. </p>
    232. 

  232. <dl class="tparams"><dt>Template Parameters</dt><dd>
    233. 

  233.   <table class="tparams">
    234. 

  234.     <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    235. 

  235.     <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
    236. 

  236.   </table>
    237. 

  237.   </dd>
    238. 

  238. </dl>
    239. 

  239. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00863.html">GLM_EXT_quaternion_relational</a> </dd></dl>
    240. 

  240. 

  241. </div>
    242. 

  242. </div>
    243. 

  243. <a id="gae0ed978b5c2588d53b220e9ceebaca0b"></a>
    244. 

  244. <h2 class="memtitle"><span class="permalink"><a href="#gae0ed978b5c2588d53b220e9ceebaca0b">&#9670;&nbsp;</a></span>lessThan()</h2>
    245. 

  245. 

  246. <div class="memitem">
    247. 

  247. <div class="memproto">
    248. 

  248.       <table class="memname">
    249. 

  249.         <tr>
    250. 

  250.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt;4, bool, Q&gt; glm::lessThan </td>
    251. 

  251.           <td>(</td>
    252. 

  252.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    253. 

  253.           <td class="paramname"><em>x</em>, </td>
    254. 

  254.         </tr>
    255. 

  255.         <tr>
    256. 

  256.           <td class="paramkey"></td>
    257. 

  257.           <td></td>
    258. 

  258.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    259. 

  259.           <td class="paramname"><em>y</em>&#160;</td>
    260. 

  260.         </tr>
    261. 

  261.         <tr>
    262. 

  262.           <td></td>
    263. 

  263.           <td>)</td>
    264. 

  264.           <td></td><td></td>
    265. 

  265.         </tr>
    266. 

  266.       </table>
    267. 

  267. </div><div class="memdoc">
    268. 

  268. 

  269. <p>Returns the component-wise comparison result of x &lt; y. </p>
    270. 

  270. <dl class="tparams"><dt>Template Parameters</dt><dd>
    271. 

  271.   <table class="tparams">
    272. 

  272.     <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    273. 

  273.     <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
    274. 

  274.   </table>
    275. 

  275.   </dd>
    276. 

  276. </dl>
    277. 

  277. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00863.html">GLM_EXT_quaternion_relational</a> </dd></dl>
    278. 

  278. 

  279. </div>
    280. 

  280. </div>
    281. 

  281. <a id="ga3ee1ffe56e5428f659c51a5bfd67ab33"></a>
    282. 

  282. <h2 class="memtitle"><span class="permalink"><a href="#ga3ee1ffe56e5428f659c51a5bfd67ab33">&#9670;&nbsp;</a></span>lessThanEqual()</h2>
    283. 

  283. 

  284. <div class="memitem">
    285. 

  285. <div class="memproto">
    286. 

  286.       <table class="memname">
    287. 

  287.         <tr>
    288. 

  288.           <td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR vec&lt;4, bool, Q&gt; glm::lessThanEqual </td>
    289. 

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

  290.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    291. 

  291.           <td class="paramname"><em>x</em>, </td>
    292. 

  292.         </tr>
    293. 

  293.         <tr>
    294. 

  294.           <td class="paramkey"></td>
    295. 

  295.           <td></td>
    296. 

  296.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    297. 

  297.           <td class="paramname"><em>y</em>&#160;</td>
    298. 

  298.         </tr>
    299. 

  299.         <tr>
    300. 

  300.           <td></td>
    301. 

  301.           <td>)</td>
    302. 

  302.           <td></td><td></td>
    303. 

  303.         </tr>
    304. 

  304.       </table>
    305. 

  305. </div><div class="memdoc">
    306. 

  306. 

  307. <p>Returns the component-wise comparison of result x &lt;= y. </p>
    308. 

  308. <dl class="tparams"><dt>Template Parameters</dt><dd>
    309. 

  309.   <table class="tparams">
    310. 

  310.     <tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
    311. 

  311.     <tr><td class="paramname">Q</td><td>Value from qualifier enum</td></tr>
    312. 

  312.   </table>
    313. 

  313.   </dd>
    314. 

  314. </dl>
    315. 

  315. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00863.html">GLM_EXT_quaternion_relational</a> </dd></dl>
    316. 

  316. 

  317. </div>
    318. 

  318. </div>
    319. 

  319. <a id="ga333ab70047fbe4132406100c292dbc89"></a>
    320. 

  320. <h2 class="memtitle"><span class="permalink"><a href="#ga333ab70047fbe4132406100c292dbc89">&#9670;&nbsp;</a></span>mat3_cast()</h2>
    321. 

  321. 

  322. <div class="memitem">
    323. 

  323. <div class="memproto">
    324. 

  324.       <table class="memname">
    325. 

  325.         <tr>
    326. 

  326.           <td class="memname">GLM_FUNC_DECL mat&lt;3, 3, T, Q&gt; glm::mat3_cast </td>
    327. 

  327.           <td>(</td>
    328. 

  328.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    329. 

  329.           <td class="paramname"><em>x</em></td><td>)</td>
    330. 

  330.           <td></td>
    331. 

  331.         </tr>
    332. 

  332.       </table>
    333. 

  333. </div><div class="memdoc">
    334. 

  334. 

  335. <p>Converts a quaternion to a 3 * 3 matrix. </p>
    336. 

  336. <dl class="tparams"><dt>Template Parameters</dt><dd>
    337. 

  337.   <table class="tparams">
    338. 

  338.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    339. 

  339.   </table>
    340. 

  340.   </dd>
    341. 

  341. </dl>
    342. 

  342. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    343. 

  343. 

  344. <p class="reference">Referenced by <a class="el" href="a01714_source.html#l00111">glm::toMat3()</a>.</p>
    345. 

  345. 

  346. </div>
    347. 

  347. </div>
    348. 

  348. <a id="ga1113212d9bdefc2e31ad40e5bbb506f3"></a>
    349. 

  349. <h2 class="memtitle"><span class="permalink"><a href="#ga1113212d9bdefc2e31ad40e5bbb506f3">&#9670;&nbsp;</a></span>mat4_cast()</h2>
    350. 

  350. 

  351. <div class="memitem">
    352. 

  352. <div class="memproto">
    353. 

  353.       <table class="memname">
    354. 

  354.         <tr>
    355. 

  355.           <td class="memname">GLM_FUNC_DECL mat&lt;4, 4, T, Q&gt; glm::mat4_cast </td>
    356. 

  356.           <td>(</td>
    357. 

  357.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    358. 

  358.           <td class="paramname"><em>x</em></td><td>)</td>
    359. 

  359.           <td></td>
    360. 

  360.         </tr>
    361. 

  361.       </table>
    362. 

  362. </div><div class="memdoc">
    363. 

  363. 

  364. <p>Converts a quaternion to a 4 * 4 matrix. </p>
    365. 

  365. <dl class="tparams"><dt>Template Parameters</dt><dd>
    366. 

  366.   <table class="tparams">
    367. 

  367.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    368. 

  368.   </table>
    369. 

  369.   </dd>
    370. 

  370. </dl>
    371. 

  371. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    372. 

  372. 

  373. <p class="reference">Referenced by <a class="el" href="a01714_source.html#l00118">glm::toMat4()</a>.</p>
    374. 

  374. 

  375. </div>
    376. 

  376. </div>
    377. 

  377. <a id="ga7603e81477b46ddb448896909bc04928"></a>
    378. 

  378. <h2 class="memtitle"><span class="permalink"><a href="#ga7603e81477b46ddb448896909bc04928">&#9670;&nbsp;</a></span>pitch()</h2>
    379. 

  379. 

  380. <div class="memitem">
    381. 

  381. <div class="memproto">
    382. 

  382.       <table class="memname">
    383. 

  383.         <tr>
    384. 

  384.           <td class="memname">GLM_FUNC_DECL T glm::pitch </td>
    385. 

  385.           <td>(</td>
    386. 

  386.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    387. 

  387.           <td class="paramname"><em>x</em></td><td>)</td>
    388. 

  388.           <td></td>
    389. 

  389.         </tr>
    390. 

  390.       </table>
    391. 

  391. </div><div class="memdoc">
    392. 

  392. 

  393. <p>Returns pitch value of euler angles expressed in radians. </p>
    394. 

  394. <dl class="tparams"><dt>Template Parameters</dt><dd>
    395. 

  395.   <table class="tparams">
    396. 

  396.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    397. 

  397.   </table>
    398. 

  398.   </dd>
    399. 

  399. </dl>
    400. 

  400. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    401. 

  401. 

  402. </div>
    403. 

  403. </div>
    404. 

  404. <a id="ga1108a4ab88ca87bac321454eea7702f8"></a>
    405. 

  405. <h2 class="memtitle"><span class="permalink"><a href="#ga1108a4ab88ca87bac321454eea7702f8">&#9670;&nbsp;</a></span>quat_cast() <span class="overload">[1/2]</span></h2>
    406. 

  406. 

  407. <div class="memitem">
    408. 

  408. <div class="memproto">
    409. 

  409.       <table class="memname">
    410. 

  410.         <tr>
    411. 

  411.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::quat_cast </td>
    412. 

  412.           <td>(</td>
    413. 

  413.           <td class="paramtype">mat&lt; 3, 3, T, Q &gt; const &amp;&#160;</td>
    414. 

  414.           <td class="paramname"><em>x</em></td><td>)</td>
    415. 

  415.           <td></td>
    416. 

  416.         </tr>
    417. 

  417.       </table>
    418. 

  418. </div><div class="memdoc">
    419. 

  419. 

  420. <p>Converts a pure rotation 3 * 3 matrix to a quaternion. </p>
    421. 

  421. <dl class="tparams"><dt>Template Parameters</dt><dd>
    422. 

  422.   <table class="tparams">
    423. 

  423.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    424. 

  424.   </table>
    425. 

  425.   </dd>
    426. 

  426. </dl>
    427. 

  427. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    428. 

  428. 

  429. <p class="reference">Referenced by <a class="el" href="a01714_source.html#l00125">glm::toQuat()</a>.</p>
    430. 

  430. 

  431. </div>
    432. 

  432. </div>
    433. 

  433. <a id="ga4524810f07f72e8c7bdc7764fa11cb58"></a>
    434. 

  434. <h2 class="memtitle"><span class="permalink"><a href="#ga4524810f07f72e8c7bdc7764fa11cb58">&#9670;&nbsp;</a></span>quat_cast() <span class="overload">[2/2]</span></h2>
    435. 

  435. 

  436. <div class="memitem">
    437. 

  437. <div class="memproto">
    438. 

  438.       <table class="memname">
    439. 

  439.         <tr>
    440. 

  440.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::quat_cast </td>
    441. 

  441.           <td>(</td>
    442. 

  442.           <td class="paramtype">mat&lt; 4, 4, T, Q &gt; const &amp;&#160;</td>
    443. 

  443.           <td class="paramname"><em>x</em></td><td>)</td>
    444. 

  444.           <td></td>
    445. 

  445.         </tr>
    446. 

  446.       </table>
    447. 

  447. </div><div class="memdoc">
    448. 

  448. 

  449. <p>Converts a pure rotation 4 * 4 matrix to a quaternion. </p>
    450. 

  450. <dl class="tparams"><dt>Template Parameters</dt><dd>
    451. 

  451.   <table class="tparams">
    452. 

  452.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    453. 

  453.   </table>
    454. 

  454.   </dd>
    455. 

  455. </dl>
    456. 

  456. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    457. 

  457. 

  458. </div>
    459. 

  459. </div>
    460. 

  460. <a id="gabe7fc5ec5feb41ab234d5d2b6254697f"></a>
    461. 

  461. <h2 class="memtitle"><span class="permalink"><a href="#gabe7fc5ec5feb41ab234d5d2b6254697f">&#9670;&nbsp;</a></span>quatLookAt()</h2>
    462. 

  462. 

  463. <div class="memitem">
    464. 

  464. <div class="memproto">
    465. 

  465.       <table class="memname">
    466. 

  466.         <tr>
    467. 

  467.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::quatLookAt </td>
    468. 

  468.           <td>(</td>
    469. 

  469.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    470. 

  470.           <td class="paramname"><em>direction</em>, </td>
    471. 

  471.         </tr>
    472. 

  472.         <tr>
    473. 

  473.           <td class="paramkey"></td>
    474. 

  474.           <td></td>
    475. 

  475.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    476. 

  476.           <td class="paramname"><em>up</em>&#160;</td>
    477. 

  477.         </tr>
    478. 

  478.         <tr>
    479. 

  479.           <td></td>
    480. 

  480.           <td>)</td>
    481. 

  481.           <td></td><td></td>
    482. 

  482.         </tr>
    483. 

  483.       </table>
    484. 

  484. </div><div class="memdoc">
    485. 

  485. 

  486. <p>Build a look at quaternion based on the default handedness. </p>
    487. 

  487. <dl class="params"><dt>Parameters</dt><dd>
    488. 

  488.   <table class="params">
    489. 

  489.     <tr><td class="paramname">direction</td><td>Desired forward direction. Needs to be normalized. </td></tr>
    490. 

  490.     <tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </td></tr>
    491. 

  491.   </table>
    492. 

  492.   </dd>
    493. 

  493. </dl>
    494. 

  494. 

  495. </div>
    496. 

  496. </div>
    497. 

  497. <a id="ga2da350c73411be3bb19441b226b81a74"></a>
    498. 

  498. <h2 class="memtitle"><span class="permalink"><a href="#ga2da350c73411be3bb19441b226b81a74">&#9670;&nbsp;</a></span>quatLookAtLH()</h2>
    499. 

  499. 

  500. <div class="memitem">
    501. 

  501. <div class="memproto">
    502. 

  502.       <table class="memname">
    503. 

  503.         <tr>
    504. 

  504.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::quatLookAtLH </td>
    505. 

  505.           <td>(</td>
    506. 

  506.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    507. 

  507.           <td class="paramname"><em>direction</em>, </td>
    508. 

  508.         </tr>
    509. 

  509.         <tr>
    510. 

  510.           <td class="paramkey"></td>
    511. 

  511.           <td></td>
    512. 

  512.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    513. 

  513.           <td class="paramname"><em>up</em>&#160;</td>
    514. 

  514.         </tr>
    515. 

  515.         <tr>
    516. 

  516.           <td></td>
    517. 

  517.           <td>)</td>
    518. 

  518.           <td></td><td></td>
    519. 

  519.         </tr>
    520. 

  520.       </table>
    521. 

  521. </div><div class="memdoc">
    522. 

  522. 

  523. <p>Build a left-handed look at quaternion. </p>
    524. 

  524. <dl class="params"><dt>Parameters</dt><dd>
    525. 

  525.   <table class="params">
    526. 

  526.     <tr><td class="paramname">direction</td><td>Desired forward direction onto which the +z-axis gets mapped. Needs to be normalized. </td></tr>
    527. 

  527.     <tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </td></tr>
    528. 

  528.   </table>
    529. 

  529.   </dd>
    530. 

  530. </dl>
    531. 

  531. 

  532. </div>
    533. 

  533. </div>
    534. 

  534. <a id="gaf6529ac8c04a57fcc35865b5c9437cc8"></a>
    535. 

  535. <h2 class="memtitle"><span class="permalink"><a href="#gaf6529ac8c04a57fcc35865b5c9437cc8">&#9670;&nbsp;</a></span>quatLookAtRH()</h2>
    536. 

  536. 

  537. <div class="memitem">
    538. 

  538. <div class="memproto">
    539. 

  539.       <table class="memname">
    540. 

  540.         <tr>
    541. 

  541.           <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::quatLookAtRH </td>
    542. 

  542.           <td>(</td>
    543. 

  543.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    544. 

  544.           <td class="paramname"><em>direction</em>, </td>
    545. 

  545.         </tr>
    546. 

  546.         <tr>
    547. 

  547.           <td class="paramkey"></td>
    548. 

  548.           <td></td>
    549. 

  549.           <td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
    550. 

  550.           <td class="paramname"><em>up</em>&#160;</td>
    551. 

  551.         </tr>
    552. 

  552.         <tr>
    553. 

  553.           <td></td>
    554. 

  554.           <td>)</td>
    555. 

  555.           <td></td><td></td>
    556. 

  556.         </tr>
    557. 

  557.       </table>
    558. 

  558. </div><div class="memdoc">
    559. 

  559. 

  560. <p>Build a right-handed look at quaternion. </p>
    561. 

  561. <dl class="params"><dt>Parameters</dt><dd>
    562. 

  562.   <table class="params">
    563. 

  563.     <tr><td class="paramname">direction</td><td>Desired forward direction onto which the -z-axis gets mapped. Needs to be normalized. </td></tr>
    564. 

  564.     <tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </td></tr>
    565. 

  565.   </table>
    566. 

  566.   </dd>
    567. 

  567. </dl>
    568. 

  568. 

  569. </div>
    570. 

  570. </div>
    571. 

  571. <a id="ga0cc5ad970d0b00829b139fe0fe5a1e13"></a>
    572. 

  572. <h2 class="memtitle"><span class="permalink"><a href="#ga0cc5ad970d0b00829b139fe0fe5a1e13">&#9670;&nbsp;</a></span>roll()</h2>
    573. 

  573. 

  574. <div class="memitem">
    575. 

  575. <div class="memproto">
    576. 

  576.       <table class="memname">
    577. 

  577.         <tr>
    578. 

  578.           <td class="memname">GLM_FUNC_DECL T glm::roll </td>
    579. 

  579.           <td>(</td>
    580. 

  580.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    581. 

  581.           <td class="paramname"><em>x</em></td><td>)</td>
    582. 

  582.           <td></td>
    583. 

  583.         </tr>
    584. 

  584.       </table>
    585. 

  585. </div><div class="memdoc">
    586. 

  586. 

  587. <p>Returns roll value of euler angles expressed in radians. </p>
    588. 

  588. <dl class="tparams"><dt>Template Parameters</dt><dd>
    589. 

  589.   <table class="tparams">
    590. 

  590.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    591. 

  591.   </table>
    592. 

  592.   </dd>
    593. 

  593. </dl>
    594. 

  594. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    595. 

  595. 

  596. </div>
    597. 

  597. </div>
    598. 

  598. <a id="ga8da38cdfdc452dafa660c2f46506bad5"></a>
    599. 

  599. <h2 class="memtitle"><span class="permalink"><a href="#ga8da38cdfdc452dafa660c2f46506bad5">&#9670;&nbsp;</a></span>yaw()</h2>
    600. 

  600. 

  601. <div class="memitem">
    602. 

  602. <div class="memproto">
    603. 

  603.       <table class="memname">
    604. 

  604.         <tr>
    605. 

  605.           <td class="memname">GLM_FUNC_DECL T glm::yaw </td>
    606. 

  606.           <td>(</td>
    607. 

  607.           <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>
    608. 

  608.           <td class="paramname"><em>x</em></td><td>)</td>
    609. 

  609.           <td></td>
    610. 

  610.         </tr>
    611. 

  611.       </table>
    612. 

  612. </div><div class="memdoc">
    613. 

  613. 

  614. <p>Returns yaw value of euler angles expressed in radians. </p>
    615. 

  615. <dl class="tparams"><dt>Template Parameters</dt><dd>
    616. 

  616.   <table class="tparams">
    617. 

  617.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    618. 

  618.   </table>
    619. 

  619.   </dd>
    620. 

  620. </dl>
    621. 

  621. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00917.html">GLM_GTC_quaternion</a> </dd></dl>
    622. 

  622. 

  623. </div>
    624. 

  624. </div>
    625. 

  625. </div><!-- contents -->
    626. 

  626. <!-- start footer part -->
    627. 

  627. <hr class="footer"/><address class="footer"><small>
    628. 

  628. Generated by &#160;<a href="http://www.doxygen.org/index.html">
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  629. <img class="footer" src="doxygen.png" alt="doxygen"/>
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  630. </a> 1.8.18
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  631. </small></address>
    632. 

  632. </body>
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  633. </html>
    634.