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  79. <a href="#func-members">Functions</a>  </div>
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  80.   <div class="headertitle">
    81. 

  81. <div class="title">GLM_GTC_quaternion<div class="ingroups"><a class="el" href="a00153.html">GTC Extensions (Stable)</a></div></div>  </div>
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  82. </div><!--header-->
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  83. <div class="contents">
    84. 

  84. 

  85. <p>Defines a templated quaternion type and several quaternion operations.  
    86. 

  86. <a href="#details">More...</a></p>
    87. 

  87. <table class="memberdecls">
    88. 

  88. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    89. 

  89. Functions</h2></td></tr>
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  90. <tr class="memitem:gad4a4448baedb198b2b1e7880d2544dc9"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    91. 

  91. <tr class="memitem:gad4a4448baedb198b2b1e7880d2544dc9"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gad4a4448baedb198b2b1e7880d2544dc9">angle</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    92. 

  92. <tr class="memdesc:gad4a4448baedb198b2b1e7880d2544dc9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the quaternion rotation angle.  <a href="a00172.html#gad4a4448baedb198b2b1e7880d2544dc9">More...</a><br /></td></tr>
    93. 

  93. <tr class="separator:gad4a4448baedb198b2b1e7880d2544dc9"><td class="memSeparator" colspan="2">&#160;</td></tr>
    94. 

  94. <tr class="memitem:ga37ae19405f1ccf766f27e4fcd035d859"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    95. 

  95. <tr class="memitem:ga37ae19405f1ccf766f27e4fcd035d859"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga37ae19405f1ccf766f27e4fcd035d859">angleAxis</a> (T const &amp;angle, tvec3&lt; T, P &gt; const &amp;axis)</td></tr>
    96. 

  96. <tr class="memdesc:ga37ae19405f1ccf766f27e4fcd035d859"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a quaternion from an angle and a normalized axis.  <a href="a00172.html#ga37ae19405f1ccf766f27e4fcd035d859">More...</a><br /></td></tr>
    97. 

  97. <tr class="separator:ga37ae19405f1ccf766f27e4fcd035d859"><td class="memSeparator" colspan="2">&#160;</td></tr>
    98. 

  98. <tr class="memitem:ga0b3e87a13b2708154b72259e50789a19"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    99. 

  99. <tr class="memitem:ga0b3e87a13b2708154b72259e50789a19"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec3&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga0b3e87a13b2708154b72259e50789a19">axis</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    100. 

  100. <tr class="memdesc:ga0b3e87a13b2708154b72259e50789a19"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q rotation axis.  <a href="a00172.html#ga0b3e87a13b2708154b72259e50789a19">More...</a><br /></td></tr>
    101. 

  101. <tr class="separator:ga0b3e87a13b2708154b72259e50789a19"><td class="memSeparator" colspan="2">&#160;</td></tr>
    102. 

  102. <tr class="memitem:gab1ace864fbf189ffa368950001808a3c"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    103. 

  103. <tr class="memitem:gab1ace864fbf189ffa368950001808a3c"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gab1ace864fbf189ffa368950001808a3c">conjugate</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    104. 

  104. <tr class="memdesc:gab1ace864fbf189ffa368950001808a3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q conjugate.  <a href="a00172.html#gab1ace864fbf189ffa368950001808a3c">More...</a><br /></td></tr>
    105. 

  105. <tr class="separator:gab1ace864fbf189ffa368950001808a3c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    106. 

  106. <tr class="memitem:gac54dfc83de465a2d03e90d342242ab3d"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class quatType&gt; </td></tr>
    107. 

  107. <tr class="memitem:gac54dfc83de465a2d03e90d342242ab3d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gac54dfc83de465a2d03e90d342242ab3d">dot</a> (quatType&lt; T, P &gt; const &amp;x, quatType&lt; T, P &gt; const &amp;y)</td></tr>
    108. 

  108. <tr class="memdesc:gac54dfc83de465a2d03e90d342242ab3d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns dot product of q1 and q2, i.e., q1[0] * q2[0] + q1[1] * q2[1] + ...  <a href="a00172.html#gac54dfc83de465a2d03e90d342242ab3d">More...</a><br /></td></tr>
    109. 

  109. <tr class="separator:gac54dfc83de465a2d03e90d342242ab3d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    110. 

  110. <tr class="memitem:gac187115710365e0b2902220b9611e7b6"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    111. 

  111. <tr class="memitem:gac187115710365e0b2902220b9611e7b6"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gac187115710365e0b2902220b9611e7b6">equal</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    112. 

  112. <tr class="memdesc:gac187115710365e0b2902220b9611e7b6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x == y.  <a href="a00172.html#gac187115710365e0b2902220b9611e7b6">More...</a><br /></td></tr>
    113. 

  113. <tr class="separator:gac187115710365e0b2902220b9611e7b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
    114. 

  114. <tr class="memitem:gadb92ec1c1b0dd6b024176a73fbef3e64"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    115. 

  115. <tr class="memitem:gadb92ec1c1b0dd6b024176a73fbef3e64"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec3&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gadb92ec1c1b0dd6b024176a73fbef3e64">eulerAngles</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    116. 

  116. <tr class="memdesc:gadb92ec1c1b0dd6b024176a73fbef3e64"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns euler angles, pitch as x, yaw as y, roll as z.  <a href="a00172.html#gadb92ec1c1b0dd6b024176a73fbef3e64">More...</a><br /></td></tr>
    117. 

  117. <tr class="separator:gadb92ec1c1b0dd6b024176a73fbef3e64"><td class="memSeparator" colspan="2">&#160;</td></tr>
    118. 

  118. <tr class="memitem:ga09d21a588ae425ac7517ea65cc59a5ae"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    119. 

  119. <tr class="memitem:ga09d21a588ae425ac7517ea65cc59a5ae"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga09d21a588ae425ac7517ea65cc59a5ae">greaterThan</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    120. 

  120. <tr class="memdesc:ga09d21a588ae425ac7517ea65cc59a5ae"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt; y.  <a href="a00172.html#ga09d21a588ae425ac7517ea65cc59a5ae">More...</a><br /></td></tr>
    121. 

  121. <tr class="separator:ga09d21a588ae425ac7517ea65cc59a5ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
    122. 

  122. <tr class="memitem:ga0906a221a2037519fcf316ea5c1e3b3e"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    123. 

  123. <tr class="memitem:ga0906a221a2037519fcf316ea5c1e3b3e"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga0906a221a2037519fcf316ea5c1e3b3e">greaterThanEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    124. 

  124. <tr class="memdesc:ga0906a221a2037519fcf316ea5c1e3b3e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt;= y.  <a href="a00172.html#ga0906a221a2037519fcf316ea5c1e3b3e">More...</a><br /></td></tr>
    125. 

  125. <tr class="separator:ga0906a221a2037519fcf316ea5c1e3b3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    126. 

  126. <tr class="memitem:ga5f47300c024c2d809944e6ac661d6d14"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    127. 

  127. <tr class="memitem:ga5f47300c024c2d809944e6ac661d6d14"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga5f47300c024c2d809944e6ac661d6d14">inverse</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    128. 

  128. <tr class="memdesc:ga5f47300c024c2d809944e6ac661d6d14"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q inverse.  <a href="a00172.html#ga5f47300c024c2d809944e6ac661d6d14">More...</a><br /></td></tr>
    129. 

  129. <tr class="separator:ga5f47300c024c2d809944e6ac661d6d14"><td class="memSeparator" colspan="2">&#160;</td></tr>
    130. 

  130. <tr class="memitem:ga0a850f06736d25887536d0da88e63c70"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    131. 

  131. <tr class="memitem:ga0a850f06736d25887536d0da88e63c70"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga0a850f06736d25887536d0da88e63c70">isinf</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    132. 

  132. <tr class="memdesc:ga0a850f06736d25887536d0da88e63c70"><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="a00172.html#ga0a850f06736d25887536d0da88e63c70">More...</a><br /></td></tr>
    133. 

  133. <tr class="separator:ga0a850f06736d25887536d0da88e63c70"><td class="memSeparator" colspan="2">&#160;</td></tr>
    134. 

  134. <tr class="memitem:gad2fc52dd4ba5ff79cc56b3e0f9c092ed"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    135. 

  135. <tr class="memitem:gad2fc52dd4ba5ff79cc56b3e0f9c092ed"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gad2fc52dd4ba5ff79cc56b3e0f9c092ed">isnan</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    136. 

  136. <tr class="memdesc:gad2fc52dd4ba5ff79cc56b3e0f9c092ed"><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="a00172.html#gad2fc52dd4ba5ff79cc56b3e0f9c092ed">More...</a><br /></td></tr>
    137. 

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    138. 

  138. <tr class="memitem:gac682181783027544c8d251b4d3a60cf8"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    139. 

  139. <tr class="memitem:gac682181783027544c8d251b4d3a60cf8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gac682181783027544c8d251b4d3a60cf8">length</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    140. 

  140. <tr class="memdesc:gac682181783027544c8d251b4d3a60cf8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the length of the quaternion.  <a href="a00172.html#gac682181783027544c8d251b4d3a60cf8">More...</a><br /></td></tr>
    141. 

  141. <tr class="separator:gac682181783027544c8d251b4d3a60cf8"><td class="memSeparator" colspan="2">&#160;</td></tr>
    142. 

  142. <tr class="memitem:ga5692804fa4db9e762a1c19b607e54435"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    143. 

  143. <tr class="memitem:ga5692804fa4db9e762a1c19b607e54435"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga5692804fa4db9e762a1c19b607e54435">lerp</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    144. 

  144. <tr class="memdesc:ga5692804fa4db9e762a1c19b607e54435"><td class="mdescLeft">&#160;</td><td class="mdescRight">Linear interpolation of two quaternions.  <a href="a00172.html#ga5692804fa4db9e762a1c19b607e54435">More...</a><br /></td></tr>
    145. 

  145. <tr class="separator:ga5692804fa4db9e762a1c19b607e54435"><td class="memSeparator" colspan="2">&#160;</td></tr>
    146. 

  146. <tr class="memitem:ga91a40d16a3b5bb47d71ac1a3fb688ffa"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    147. 

  147. <tr class="memitem:ga91a40d16a3b5bb47d71ac1a3fb688ffa"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga91a40d16a3b5bb47d71ac1a3fb688ffa">lessThan</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    148. 

  148. <tr class="memdesc:ga91a40d16a3b5bb47d71ac1a3fb688ffa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison result of x &lt; y.  <a href="a00172.html#ga91a40d16a3b5bb47d71ac1a3fb688ffa">More...</a><br /></td></tr>
    149. 

  149. <tr class="separator:ga91a40d16a3b5bb47d71ac1a3fb688ffa"><td class="memSeparator" colspan="2">&#160;</td></tr>
    150. 

  150. <tr class="memitem:ga7c81996ed2724f26fe76faf352c76294"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    151. 

  151. <tr class="memitem:ga7c81996ed2724f26fe76faf352c76294"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga7c81996ed2724f26fe76faf352c76294">lessThanEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    152. 

  152. <tr class="memdesc:ga7c81996ed2724f26fe76faf352c76294"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &lt;= y.  <a href="a00172.html#ga7c81996ed2724f26fe76faf352c76294">More...</a><br /></td></tr>
    153. 

  153. <tr class="separator:ga7c81996ed2724f26fe76faf352c76294"><td class="memSeparator" colspan="2">&#160;</td></tr>
    154. 

  154. <tr class="memitem:gae04c39422eb4e450ec8c4f45a1057b40"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    155. 

  155. <tr class="memitem:gae04c39422eb4e450ec8c4f45a1057b40"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat3x3&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gae04c39422eb4e450ec8c4f45a1057b40">mat3_cast</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    156. 

  156. <tr class="memdesc:gae04c39422eb4e450ec8c4f45a1057b40"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 3 * 3 matrix.  <a href="a00172.html#gae04c39422eb4e450ec8c4f45a1057b40">More...</a><br /></td></tr>
    157. 

  157. <tr class="separator:gae04c39422eb4e450ec8c4f45a1057b40"><td class="memSeparator" colspan="2">&#160;</td></tr>
    158. 

  158. <tr class="memitem:ga14bb2ddf028c91542763eb6f2bba47ef"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    159. 

  159. <tr class="memitem:ga14bb2ddf028c91542763eb6f2bba47ef"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tmat4x4&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga14bb2ddf028c91542763eb6f2bba47ef">mat4_cast</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    160. 

  160. <tr class="memdesc:ga14bb2ddf028c91542763eb6f2bba47ef"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 4 * 4 matrix.  <a href="a00172.html#ga14bb2ddf028c91542763eb6f2bba47ef">More...</a><br /></td></tr>
    161. 

  161. <tr class="separator:ga14bb2ddf028c91542763eb6f2bba47ef"><td class="memSeparator" colspan="2">&#160;</td></tr>
    162. 

  162. <tr class="memitem:ga31cc82178742c36450f5662bd4fb30b0"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    163. 

  163. <tr class="memitem:ga31cc82178742c36450f5662bd4fb30b0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga31cc82178742c36450f5662bd4fb30b0">mix</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    164. 

  164. <tr class="memdesc:ga31cc82178742c36450f5662bd4fb30b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00172.html#ga31cc82178742c36450f5662bd4fb30b0">More...</a><br /></td></tr>
    165. 

  165. <tr class="separator:ga31cc82178742c36450f5662bd4fb30b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
    166. 

  166. <tr class="memitem:ga35b6bcb22ac6d1e4a85440f5b69bdf86"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    167. 

  167. <tr class="memitem:ga35b6bcb22ac6d1e4a85440f5b69bdf86"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga35b6bcb22ac6d1e4a85440f5b69bdf86">normalize</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    168. 

  168. <tr class="memdesc:ga35b6bcb22ac6d1e4a85440f5b69bdf86"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the normalized quaternion.  <a href="a00172.html#ga35b6bcb22ac6d1e4a85440f5b69bdf86">More...</a><br /></td></tr>
    169. 

  169. <tr class="separator:ga35b6bcb22ac6d1e4a85440f5b69bdf86"><td class="memSeparator" colspan="2">&#160;</td></tr>
    170. 

  170. <tr class="memitem:ga484c4633f7c05d8e29ee8b452350f539"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    171. 

  171. <tr class="memitem:ga484c4633f7c05d8e29ee8b452350f539"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec4&lt; bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga484c4633f7c05d8e29ee8b452350f539">notEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    172. 

  172. <tr class="memdesc:ga484c4633f7c05d8e29ee8b452350f539"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x != y.  <a href="a00172.html#ga484c4633f7c05d8e29ee8b452350f539">More...</a><br /></td></tr>
    173. 

  173. <tr class="separator:ga484c4633f7c05d8e29ee8b452350f539"><td class="memSeparator" colspan="2">&#160;</td></tr>
    174. 

  174. <tr class="memitem:ga2c08b93a4261c10748fd4d2104346f17"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    175. 

  175. <tr class="memitem:ga2c08b93a4261c10748fd4d2104346f17"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga2c08b93a4261c10748fd4d2104346f17">pitch</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    176. 

  176. <tr class="memdesc:ga2c08b93a4261c10748fd4d2104346f17"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns pitch value of euler angles expressed in radians.  <a href="a00172.html#ga2c08b93a4261c10748fd4d2104346f17">More...</a><br /></td></tr>
    177. 

  177. <tr class="separator:ga2c08b93a4261c10748fd4d2104346f17"><td class="memSeparator" colspan="2">&#160;</td></tr>
    178. 

  178. <tr class="memitem:ga950f8acff3e33bbda77895a3dcb7e5ce"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    179. 

  179. <tr class="memitem:ga950f8acff3e33bbda77895a3dcb7e5ce"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga950f8acff3e33bbda77895a3dcb7e5ce">quat_cast</a> (tmat3x3&lt; T, P &gt; const &amp;x)</td></tr>
    180. 

  180. <tr class="memdesc:ga950f8acff3e33bbda77895a3dcb7e5ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a 3 * 3 matrix to a quaternion.  <a href="a00172.html#ga950f8acff3e33bbda77895a3dcb7e5ce">More...</a><br /></td></tr>
    181. 

  181. <tr class="separator:ga950f8acff3e33bbda77895a3dcb7e5ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
    182. 

  182. <tr class="memitem:ga3e4615e9884dd0f41f5617b9848a5d9c"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    183. 

  183. <tr class="memitem:ga3e4615e9884dd0f41f5617b9848a5d9c"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga3e4615e9884dd0f41f5617b9848a5d9c">quat_cast</a> (tmat4x4&lt; T, P &gt; const &amp;x)</td></tr>
    184. 

  184. <tr class="memdesc:ga3e4615e9884dd0f41f5617b9848a5d9c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a 4 * 4 matrix to a quaternion.  <a href="a00172.html#ga3e4615e9884dd0f41f5617b9848a5d9c">More...</a><br /></td></tr>
    185. 

  185. <tr class="separator:ga3e4615e9884dd0f41f5617b9848a5d9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    186. 

  186. <tr class="memitem:ga4fd705376c6c1fd667be0055a0ea58ec"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    187. 

  187. <tr class="memitem:ga4fd705376c6c1fd667be0055a0ea58ec"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga4fd705376c6c1fd667be0055a0ea58ec">roll</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    188. 

  188. <tr class="memdesc:ga4fd705376c6c1fd667be0055a0ea58ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns roll value of euler angles expressed in radians.  <a href="a00172.html#ga4fd705376c6c1fd667be0055a0ea58ec">More...</a><br /></td></tr>
    189. 

  189. <tr class="separator:ga4fd705376c6c1fd667be0055a0ea58ec"><td class="memSeparator" colspan="2">&#160;</td></tr>
    190. 

  190. <tr class="memitem:gaa8f42979c921e450ff2812fb43c25702"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    191. 

  191. <tr class="memitem:gaa8f42979c921e450ff2812fb43c25702"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#gaa8f42979c921e450ff2812fb43c25702">rotate</a> (tquat&lt; T, P &gt; const &amp;q, T const &amp;angle, tvec3&lt; T, P &gt; const &amp;axis)</td></tr>
    192. 

  192. <tr class="memdesc:gaa8f42979c921e450ff2812fb43c25702"><td class="mdescLeft">&#160;</td><td class="mdescRight">Rotates a quaternion from a vector of 3 components axis and an angle.  <a href="a00172.html#gaa8f42979c921e450ff2812fb43c25702">More...</a><br /></td></tr>
    193. 

  193. <tr class="separator:gaa8f42979c921e450ff2812fb43c25702"><td class="memSeparator" colspan="2">&#160;</td></tr>
    194. 

  194. <tr class="memitem:ga22b438c7252f3fa5b773c9882471652a"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    195. 

  195. <tr class="memitem:ga22b438c7252f3fa5b773c9882471652a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tquat&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga22b438c7252f3fa5b773c9882471652a">slerp</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    196. 

  196. <tr class="memdesc:ga22b438c7252f3fa5b773c9882471652a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00172.html#ga22b438c7252f3fa5b773c9882471652a">More...</a><br /></td></tr>
    197. 

  197. <tr class="separator:ga22b438c7252f3fa5b773c9882471652a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    198. 

  198. <tr class="memitem:ga724a5df282b70cec0a6cb0d6dcddb6d6"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
    199. 

  199. <tr class="memitem:ga724a5df282b70cec0a6cb0d6dcddb6d6"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00172.html#ga724a5df282b70cec0a6cb0d6dcddb6d6">yaw</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    200. 

  200. <tr class="memdesc:ga724a5df282b70cec0a6cb0d6dcddb6d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns yaw value of euler angles expressed in radians.  <a href="a00172.html#ga724a5df282b70cec0a6cb0d6dcddb6d6">More...</a><br /></td></tr>
    201. 

  201. <tr class="separator:ga724a5df282b70cec0a6cb0d6dcddb6d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
    202. 

  202. </table>
    203. 

  203. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    204. 

  204. <p>Defines a templated quaternion type and several quaternion operations. </p>
    205. 

  205. <p>&lt;<a class="el" href="a00088.html" title="GLM_GTC_quaternion ">glm/gtc/quaternion.hpp</a>&gt; need to be included to use these functionalities. </p>
    206. 

  206. <h2 class="groupheader">Function Documentation</h2>
    207. 

  207. <a class="anchor" id="gad4a4448baedb198b2b1e7880d2544dc9"></a>
    208. 

  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 T glm::angle </td>
    213. 

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

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

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

  216.           <td></td>
    217. 

  217.         </tr>
    218. 

  218.       </table>
    219. 

  219. </div><div class="memdoc">
    220. 

  220. 

  221. <p>Returns the quaternion rotation angle. </p>
    222. 

  222. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    223. 

  223. 

  224. </div>
    225. 

  225. </div>
    226. 

  226. <a class="anchor" id="ga37ae19405f1ccf766f27e4fcd035d859"></a>
    227. 

  227. <div class="memitem">
    228. 

  228. <div class="memproto">
    229. 

  229.       <table class="memname">
    230. 

  230.         <tr>
    231. 

  231.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::angleAxis </td>
    232. 

  232.           <td>(</td>
    233. 

  233.           <td class="paramtype">T const &amp;&#160;</td>
    234. 

  234.           <td class="paramname"><em>angle</em>, </td>
    235. 

  235.         </tr>
    236. 

  236.         <tr>
    237. 

  237.           <td class="paramkey"></td>
    238. 

  238.           <td></td>
    239. 

  239.           <td class="paramtype">tvec3&lt; T, P &gt; const &amp;&#160;</td>
    240. 

  240.           <td class="paramname"><em>axis</em>&#160;</td>
    241. 

  241.         </tr>
    242. 

  242.         <tr>
    243. 

  243.           <td></td>
    244. 

  244.           <td>)</td>
    245. 

  245.           <td></td><td></td>
    246. 

  246.         </tr>
    247. 

  247.       </table>
    248. 

  248. </div><div class="memdoc">
    249. 

  249. 

  250. <p>Build a quaternion from an angle and a normalized axis. </p>
    251. 

  251. <dl class="params"><dt>Parameters</dt><dd>
    252. 

  252.   <table class="params">
    253. 

  253.     <tr><td class="paramname">angle</td><td>Angle expressed in radians. </td></tr>
    254. 

  254.     <tr><td class="paramname">axis</td><td>Axis of the quaternion, must be normalized.</td></tr>
    255. 

  255.   </table>
    256. 

  256.   </dd>
    257. 

  257. </dl>
    258. 

  258. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    259. 

  259. 

  260. </div>
    261. 

  261. </div>
    262. 

  262. <a class="anchor" id="ga0b3e87a13b2708154b72259e50789a19"></a>
    263. 

  263. <div class="memitem">
    264. 

  264. <div class="memproto">
    265. 

  265.       <table class="memname">
    266. 

  266.         <tr>
    267. 

  267.           <td class="memname">GLM_FUNC_DECL tvec3&lt;T, P&gt; glm::axis </td>
    268. 

  268.           <td>(</td>
    269. 

  269.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    270. 

  270.           <td class="paramname"><em>x</em></td><td>)</td>
    271. 

  271.           <td></td>
    272. 

  272.         </tr>
    273. 

  273.       </table>
    274. 

  274. </div><div class="memdoc">
    275. 

  275. 

  276. <p>Returns the q rotation axis. </p>
    277. 

  277. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    278. 

  278. 

  279. </div>
    280. 

  280. </div>
    281. 

  281. <a class="anchor" id="gab1ace864fbf189ffa368950001808a3c"></a>
    282. 

  282. <div class="memitem">
    283. 

  283. <div class="memproto">
    284. 

  284.       <table class="memname">
    285. 

  285.         <tr>
    286. 

  286.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::conjugate </td>
    287. 

  287.           <td>(</td>
    288. 

  288.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    289. 

  289.           <td class="paramname"><em>q</em></td><td>)</td>
    290. 

  290.           <td></td>
    291. 

  291.         </tr>
    292. 

  292.       </table>
    293. 

  293. </div><div class="memdoc">
    294. 

  294. 

  295. <p>Returns the q conjugate. </p>
    296. 

  296. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    297. 

  297. 

  298. </div>
    299. 

  299. </div>
    300. 

  300. <a class="anchor" id="gac54dfc83de465a2d03e90d342242ab3d"></a>
    301. 

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

  302. <div class="memproto">
    303. 

  303.       <table class="memname">
    304. 

  304.         <tr>
    305. 

  305.           <td class="memname">GLM_FUNC_DECL T glm::dot </td>
    306. 

  306.           <td>(</td>
    307. 

  307.           <td class="paramtype">quatType&lt; T, P &gt; const &amp;&#160;</td>
    308. 

  308.           <td class="paramname"><em>x</em>, </td>
    309. 

  309.         </tr>
    310. 

  310.         <tr>
    311. 

  311.           <td class="paramkey"></td>
    312. 

  312.           <td></td>
    313. 

  313.           <td class="paramtype">quatType&lt; T, P &gt; const &amp;&#160;</td>
    314. 

  314.           <td class="paramname"><em>y</em>&#160;</td>
    315. 

  315.         </tr>
    316. 

  316.         <tr>
    317. 

  317.           <td></td>
    318. 

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

  319.           <td></td><td></td>
    320. 

  320.         </tr>
    321. 

  321.       </table>
    322. 

  322. </div><div class="memdoc">
    323. 

  323. 

  324. <p>Returns dot product of q1 and q2, i.e., q1[0] * q2[0] + q1[1] * q2[1] + ... </p>
    325. 

  325. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    326. 

  326. 

  327. </div>
    328. 

  328. </div>
    329. 

  329. <a class="anchor" id="gac187115710365e0b2902220b9611e7b6"></a>
    330. 

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

  331. <div class="memproto">
    332. 

  332.       <table class="memname">
    333. 

  333.         <tr>
    334. 

  334.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::equal </td>
    335. 

  335.           <td>(</td>
    336. 

  336.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    337. 

  337.           <td class="paramname"><em>x</em>, </td>
    338. 

  338.         </tr>
    339. 

  339.         <tr>
    340. 

  340.           <td class="paramkey"></td>
    341. 

  341.           <td></td>
    342. 

  342.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    343. 

  343.           <td class="paramname"><em>y</em>&#160;</td>
    344. 

  344.         </tr>
    345. 

  345.         <tr>
    346. 

  346.           <td></td>
    347. 

  347.           <td>)</td>
    348. 

  348.           <td></td><td></td>
    349. 

  349.         </tr>
    350. 

  350.       </table>
    351. 

  351. </div><div class="memdoc">
    352. 

  352. 

  353. <p>Returns the component-wise comparison of result x == y. </p>
    354. 

  354. <dl class="tparams"><dt>Template Parameters</dt><dd>
    355. 

  355.   <table class="tparams">
    356. 

  356.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    357. 

  357.   </table>
    358. 

  358.   </dd>
    359. 

  359. </dl>
    360. 

  360. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    361. 

  361. 

  362. </div>
    363. 

  363. </div>
    364. 

  364. <a class="anchor" id="gadb92ec1c1b0dd6b024176a73fbef3e64"></a>
    365. 

  365. <div class="memitem">
    366. 

  366. <div class="memproto">
    367. 

  367.       <table class="memname">
    368. 

  368.         <tr>
    369. 

  369.           <td class="memname">GLM_FUNC_DECL tvec3&lt;T, P&gt; glm::eulerAngles </td>
    370. 

  370.           <td>(</td>
    371. 

  371.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    372. 

  372.           <td class="paramname"><em>x</em></td><td>)</td>
    373. 

  373.           <td></td>
    374. 

  374.         </tr>
    375. 

  375.       </table>
    376. 

  376. </div><div class="memdoc">
    377. 

  377. 

  378. <p>Returns euler angles, pitch as x, yaw as y, roll as z. </p>
    379. 

  379. <p>The result is expressed in radians if GLM_FORCE_RADIANS is defined or degrees otherwise.</p>
    380. 

  380. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    381. 

  381. 

  382. </div>
    383. 

  383. </div>
    384. 

  384. <a class="anchor" id="ga09d21a588ae425ac7517ea65cc59a5ae"></a>
    385. 

  385. <div class="memitem">
    386. 

  386. <div class="memproto">
    387. 

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

  388.         <tr>
    389. 

  389.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::greaterThan </td>
    390. 

  390.           <td>(</td>
    391. 

  391.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    392. 

  392.           <td class="paramname"><em>x</em>, </td>
    393. 

  393.         </tr>
    394. 

  394.         <tr>
    395. 

  395.           <td class="paramkey"></td>
    396. 

  396.           <td></td>
    397. 

  397.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    398. 

  398.           <td class="paramname"><em>y</em>&#160;</td>
    399. 

  399.         </tr>
    400. 

  400.         <tr>
    401. 

  401.           <td></td>
    402. 

  402.           <td>)</td>
    403. 

  403.           <td></td><td></td>
    404. 

  404.         </tr>
    405. 

  405.       </table>
    406. 

  406. </div><div class="memdoc">
    407. 

  407. 

  408. <p>Returns the component-wise comparison of result x &gt; y. </p>
    409. 

  409. <dl class="tparams"><dt>Template Parameters</dt><dd>
    410. 

  410.   <table class="tparams">
    411. 

  411.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    412. 

  412.   </table>
    413. 

  413.   </dd>
    414. 

  414. </dl>
    415. 

  415. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    416. 

  416. 

  417. </div>
    418. 

  418. </div>
    419. 

  419. <a class="anchor" id="ga0906a221a2037519fcf316ea5c1e3b3e"></a>
    420. 

  420. <div class="memitem">
    421. 

  421. <div class="memproto">
    422. 

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

  423.         <tr>
    424. 

  424.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::greaterThanEqual </td>
    425. 

  425.           <td>(</td>
    426. 

  426.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    427. 

  427.           <td class="paramname"><em>x</em>, </td>
    428. 

  428.         </tr>
    429. 

  429.         <tr>
    430. 

  430.           <td class="paramkey"></td>
    431. 

  431.           <td></td>
    432. 

  432.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    433. 

  433.           <td class="paramname"><em>y</em>&#160;</td>
    434. 

  434.         </tr>
    435. 

  435.         <tr>
    436. 

  436.           <td></td>
    437. 

  437.           <td>)</td>
    438. 

  438.           <td></td><td></td>
    439. 

  439.         </tr>
    440. 

  440.       </table>
    441. 

  441. </div><div class="memdoc">
    442. 

  442. 

  443. <p>Returns the component-wise comparison of result x &gt;= y. </p>
    444. 

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

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

  446.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    447. 

  447.   </table>
    448. 

  448.   </dd>
    449. 

  449. </dl>
    450. 

  450. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    451. 

  451. 

  452. </div>
    453. 

  453. </div>
    454. 

  454. <a class="anchor" id="ga5f47300c024c2d809944e6ac661d6d14"></a>
    455. 

  455. <div class="memitem">
    456. 

  456. <div class="memproto">
    457. 

  457.       <table class="memname">
    458. 

  458.         <tr>
    459. 

  459.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::inverse </td>
    460. 

  460.           <td>(</td>
    461. 

  461.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    462. 

  462.           <td class="paramname"><em>q</em></td><td>)</td>
    463. 

  463.           <td></td>
    464. 

  464.         </tr>
    465. 

  465.       </table>
    466. 

  466. </div><div class="memdoc">
    467. 

  467. 

  468. <p>Returns the q inverse. </p>
    469. 

  469. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    470. 

  470. 

  471. </div>
    472. 

  472. </div>
    473. 

  473. <a class="anchor" id="ga0a850f06736d25887536d0da88e63c70"></a>
    474. 

  474. <div class="memitem">
    475. 

  475. <div class="memproto">
    476. 

  476.       <table class="memname">
    477. 

  477.         <tr>
    478. 

  478.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::isinf </td>
    479. 

  479.           <td>(</td>
    480. 

  480.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    481. 

  481.           <td class="paramname"><em>x</em></td><td>)</td>
    482. 

  482.           <td></td>
    483. 

  483.         </tr>
    484. 

  484.       </table>
    485. 

  485. </div><div class="memdoc">
    486. 

  486. 

  487. <p>Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations. </p>
    488. 

  488. <p>Returns false otherwise, including for implementations with no infinity representations.</p>
    489. 

  489. <dl class="tparams"><dt>Template Parameters</dt><dd>
    490. 

  490.   <table class="tparams">
    491. 

  491.     <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
    492. 

  492.   </table>
    493. 

  493.   </dd>
    494. 

  494. </dl>
    495. 

  495. 

  496. </div>
    497. 

  497. </div>
    498. 

  498. <a class="anchor" id="gad2fc52dd4ba5ff79cc56b3e0f9c092ed"></a>
    499. 

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

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

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

  502.         <tr>
    503. 

  503.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::isnan </td>
    504. 

  504.           <td>(</td>
    505. 

  505.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    506. 

  506.           <td class="paramname"><em>x</em></td><td>)</td>
    507. 

  507.           <td></td>
    508. 

  508.         </tr>
    509. 

  509.       </table>
    510. 

  510. </div><div class="memdoc">
    511. 

  511. 

  512. <p>Returns true if x holds a NaN (not a number) representation in the underlying implementation's set of floating point representations. </p>
    513. 

  513. <p>Returns false otherwise, including for implementations with no NaN representations.</p>
    514. 

  514. <p>/!\ When using compiler fast math, this function may fail.</p>
    515. 

  515. <dl class="tparams"><dt>Template Parameters</dt><dd>
    516. 

  516.   <table class="tparams">
    517. 

  517.     <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
    518. 

  518.   </table>
    519. 

  519.   </dd>
    520. 

  520. </dl>
    521. 

  521. 

  522. </div>
    523. 

  523. </div>
    524. 

  524. <a class="anchor" id="gac682181783027544c8d251b4d3a60cf8"></a>
    525. 

  525. <div class="memitem">
    526. 

  526. <div class="memproto">
    527. 

  527.       <table class="memname">
    528. 

  528.         <tr>
    529. 

  529.           <td class="memname">GLM_FUNC_DECL T glm::length </td>
    530. 

  530.           <td>(</td>
    531. 

  531.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    532. 

  532.           <td class="paramname"><em>q</em></td><td>)</td>
    533. 

  533.           <td></td>
    534. 

  534.         </tr>
    535. 

  535.       </table>
    536. 

  536. </div><div class="memdoc">
    537. 

  537. 

  538. <p>Returns the length of the quaternion. </p>
    539. 

  539. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    540. 

  540. 

  541. </div>
    542. 

  542. </div>
    543. 

  543. <a class="anchor" id="ga5692804fa4db9e762a1c19b607e54435"></a>
    544. 

  544. <div class="memitem">
    545. 

  545. <div class="memproto">
    546. 

  546.       <table class="memname">
    547. 

  547.         <tr>
    548. 

  548.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::lerp </td>
    549. 

  549.           <td>(</td>
    550. 

  550.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    551. 

  551.           <td class="paramname"><em>x</em>, </td>
    552. 

  552.         </tr>
    553. 

  553.         <tr>
    554. 

  554.           <td class="paramkey"></td>
    555. 

  555.           <td></td>
    556. 

  556.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    557. 

  557.           <td class="paramname"><em>y</em>, </td>
    558. 

  558.         </tr>
    559. 

  559.         <tr>
    560. 

  560.           <td class="paramkey"></td>
    561. 

  561.           <td></td>
    562. 

  562.           <td class="paramtype">T&#160;</td>
    563. 

  563.           <td class="paramname"><em>a</em>&#160;</td>
    564. 

  564.         </tr>
    565. 

  565.         <tr>
    566. 

  566.           <td></td>
    567. 

  567.           <td>)</td>
    568. 

  568.           <td></td><td></td>
    569. 

  569.         </tr>
    570. 

  570.       </table>
    571. 

  571. </div><div class="memdoc">
    572. 

  572. 

  573. <p>Linear interpolation of two quaternions. </p>
    574. 

  574. <p>The interpolation is oriented.</p>
    575. 

  575. <dl class="params"><dt>Parameters</dt><dd>
    576. 

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

  577.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    578. 

  578.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    579. 

  579.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined in the range [0, 1]. </td></tr>
    580. 

  580.   </table>
    581. 

  581.   </dd>
    582. 

  582. </dl>
    583. 

  583. <dl class="tparams"><dt>Template Parameters</dt><dd>
    584. 

  584.   <table class="tparams">
    585. 

  585.     <tr><td class="paramname">T</td><td>Value type used to build the quaternion. Supported: half, float or double. </td></tr>
    586. 

  586.   </table>
    587. 

  587.   </dd>
    588. 

  588. </dl>
    589. 

  589. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    590. 

  590. 

  591. </div>
    592. 

  592. </div>
    593. 

  593. <a class="anchor" id="ga91a40d16a3b5bb47d71ac1a3fb688ffa"></a>
    594. 

  594. <div class="memitem">
    595. 

  595. <div class="memproto">
    596. 

  596.       <table class="memname">
    597. 

  597.         <tr>
    598. 

  598.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::lessThan </td>
    599. 

  599.           <td>(</td>
    600. 

  600.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    601. 

  601.           <td class="paramname"><em>x</em>, </td>
    602. 

  602.         </tr>
    603. 

  603.         <tr>
    604. 

  604.           <td class="paramkey"></td>
    605. 

  605.           <td></td>
    606. 

  606.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    607. 

  607.           <td class="paramname"><em>y</em>&#160;</td>
    608. 

  608.         </tr>
    609. 

  609.         <tr>
    610. 

  610.           <td></td>
    611. 

  611.           <td>)</td>
    612. 

  612.           <td></td><td></td>
    613. 

  613.         </tr>
    614. 

  614.       </table>
    615. 

  615. </div><div class="memdoc">
    616. 

  616. 

  617. <p>Returns the component-wise comparison result of x &lt; y. </p>
    618. 

  618. <dl class="tparams"><dt>Template Parameters</dt><dd>
    619. 

  619.   <table class="tparams">
    620. 

  620.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    621. 

  621.   </table>
    622. 

  622.   </dd>
    623. 

  623. </dl>
    624. 

  624. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    625. 

  625. 

  626. </div>
    627. 

  627. </div>
    628. 

  628. <a class="anchor" id="ga7c81996ed2724f26fe76faf352c76294"></a>
    629. 

  629. <div class="memitem">
    630. 

  630. <div class="memproto">
    631. 

  631.       <table class="memname">
    632. 

  632.         <tr>
    633. 

  633.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::lessThanEqual </td>
    634. 

  634.           <td>(</td>
    635. 

  635.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    636. 

  636.           <td class="paramname"><em>x</em>, </td>
    637. 

  637.         </tr>
    638. 

  638.         <tr>
    639. 

  639.           <td class="paramkey"></td>
    640. 

  640.           <td></td>
    641. 

  641.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    642. 

  642.           <td class="paramname"><em>y</em>&#160;</td>
    643. 

  643.         </tr>
    644. 

  644.         <tr>
    645. 

  645.           <td></td>
    646. 

  646.           <td>)</td>
    647. 

  647.           <td></td><td></td>
    648. 

  648.         </tr>
    649. 

  649.       </table>
    650. 

  650. </div><div class="memdoc">
    651. 

  651. 

  652. <p>Returns the component-wise comparison of result x &lt;= y. </p>
    653. 

  653. <dl class="tparams"><dt>Template Parameters</dt><dd>
    654. 

  654.   <table class="tparams">
    655. 

  655.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    656. 

  656.   </table>
    657. 

  657.   </dd>
    658. 

  658. </dl>
    659. 

  659. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    660. 

  660. 

  661. </div>
    662. 

  662. </div>
    663. 

  663. <a class="anchor" id="gae04c39422eb4e450ec8c4f45a1057b40"></a>
    664. 

  664. <div class="memitem">
    665. 

  665. <div class="memproto">
    666. 

  666.       <table class="memname">
    667. 

  667.         <tr>
    668. 

  668.           <td class="memname">GLM_FUNC_DECL tmat3x3&lt;T, P&gt; glm::mat3_cast </td>
    669. 

  669.           <td>(</td>
    670. 

  670.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    671. 

  671.           <td class="paramname"><em>x</em></td><td>)</td>
    672. 

  672.           <td></td>
    673. 

  673.         </tr>
    674. 

  674.       </table>
    675. 

  675. </div><div class="memdoc">
    676. 

  676. 

  677. <p>Converts a quaternion to a 3 * 3 matrix. </p>
    678. 

  678. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    679. 

  679. 

  680. <p>Referenced by <a class="el" href="a00089_source.html#l00128">glm::toMat3()</a>.</p>
    681. 

  681. 

  682. </div>
    683. 

  683. </div>
    684. 

  684. <a class="anchor" id="ga14bb2ddf028c91542763eb6f2bba47ef"></a>
    685. 

  685. <div class="memitem">
    686. 

  686. <div class="memproto">
    687. 

  687.       <table class="memname">
    688. 

  688.         <tr>
    689. 

  689.           <td class="memname">GLM_FUNC_DECL tmat4x4&lt;T, P&gt; glm::mat4_cast </td>
    690. 

  690.           <td>(</td>
    691. 

  691.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    692. 

  692.           <td class="paramname"><em>x</em></td><td>)</td>
    693. 

  693.           <td></td>
    694. 

  694.         </tr>
    695. 

  695.       </table>
    696. 

  696. </div><div class="memdoc">
    697. 

  697. 

  698. <p>Converts a quaternion to a 4 * 4 matrix. </p>
    699. 

  699. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    700. 

  700. 

  701. <p>Referenced by <a class="el" href="a00089_source.html#l00135">glm::toMat4()</a>.</p>
    702. 

  702. 

  703. </div>
    704. 

  704. </div>
    705. 

  705. <a class="anchor" id="ga31cc82178742c36450f5662bd4fb30b0"></a>
    706. 

  706. <div class="memitem">
    707. 

  707. <div class="memproto">
    708. 

  708.       <table class="memname">
    709. 

  709.         <tr>
    710. 

  710.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::mix </td>
    711. 

  711.           <td>(</td>
    712. 

  712.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    713. 

  713.           <td class="paramname"><em>x</em>, </td>
    714. 

  714.         </tr>
    715. 

  715.         <tr>
    716. 

  716.           <td class="paramkey"></td>
    717. 

  717.           <td></td>
    718. 

  718.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    719. 

  719.           <td class="paramname"><em>y</em>, </td>
    720. 

  720.         </tr>
    721. 

  721.         <tr>
    722. 

  722.           <td class="paramkey"></td>
    723. 

  723.           <td></td>
    724. 

  724.           <td class="paramtype">T&#160;</td>
    725. 

  725.           <td class="paramname"><em>a</em>&#160;</td>
    726. 

  726.         </tr>
    727. 

  727.         <tr>
    728. 

  728.           <td></td>
    729. 

  729.           <td>)</td>
    730. 

  730.           <td></td><td></td>
    731. 

  731.         </tr>
    732. 

  732.       </table>
    733. 

  733. </div><div class="memdoc">
    734. 

  734. 

  735. <p>Spherical linear interpolation of two quaternions. </p>
    736. 

  736. <p>The interpolation is oriented and the rotation is performed at constant speed. For short path spherical linear interpolation, use the slerp function.</p>
    737. 

  737. <dl class="params"><dt>Parameters</dt><dd>
    738. 

  738.   <table class="params">
    739. 

  739.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    740. 

  740.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    741. 

  741.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
    742. 

  742.   </table>
    743. 

  743.   </dd>
    744. 

  744. </dl>
    745. 

  745. <dl class="tparams"><dt>Template Parameters</dt><dd>
    746. 

  746.   <table class="tparams">
    747. 

  747.     <tr><td class="paramname">T</td><td>Value type used to build the quaternion. Supported: half, float or double. </td></tr>
    748. 

  748.   </table>
    749. 

  749.   </dd>
    750. 

  750. </dl>
    751. 

  751. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd>
    752. 

  752. <dd>
    753. 

  753. - slerp(tquat&lt;T, P&gt; const &amp; x, tquat&lt;T, P&gt; const &amp; y, T const &amp; a) </dd></dl>
    754. 

  754. 

  755. </div>
    756. 

  756. </div>
    757. 

  757. <a class="anchor" id="ga35b6bcb22ac6d1e4a85440f5b69bdf86"></a>
    758. 

  758. <div class="memitem">
    759. 

  759. <div class="memproto">
    760. 

  760.       <table class="memname">
    761. 

  761.         <tr>
    762. 

  762.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::normalize </td>
    763. 

  763.           <td>(</td>
    764. 

  764.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    765. 

  765.           <td class="paramname"><em>q</em></td><td>)</td>
    766. 

  766.           <td></td>
    767. 

  767.         </tr>
    768. 

  768.       </table>
    769. 

  769. </div><div class="memdoc">
    770. 

  770. 

  771. <p>Returns the normalized quaternion. </p>
    772. 

  772. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    773. 

  773. 

  774. </div>
    775. 

  775. </div>
    776. 

  776. <a class="anchor" id="ga484c4633f7c05d8e29ee8b452350f539"></a>
    777. 

  777. <div class="memitem">
    778. 

  778. <div class="memproto">
    779. 

  779.       <table class="memname">
    780. 

  780.         <tr>
    781. 

  781.           <td class="memname">GLM_FUNC_DECL tvec4&lt;bool, P&gt; glm::notEqual </td>
    782. 

  782.           <td>(</td>
    783. 

  783.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    784. 

  784.           <td class="paramname"><em>x</em>, </td>
    785. 

  785.         </tr>
    786. 

  786.         <tr>
    787. 

  787.           <td class="paramkey"></td>
    788. 

  788.           <td></td>
    789. 

  789.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    790. 

  790.           <td class="paramname"><em>y</em>&#160;</td>
    791. 

  791.         </tr>
    792. 

  792.         <tr>
    793. 

  793.           <td></td>
    794. 

  794.           <td>)</td>
    795. 

  795.           <td></td><td></td>
    796. 

  796.         </tr>
    797. 

  797.       </table>
    798. 

  798. </div><div class="memdoc">
    799. 

  799. 

  800. <p>Returns the component-wise comparison of result x != y. </p>
    801. 

  801. <dl class="tparams"><dt>Template Parameters</dt><dd>
    802. 

  802.   <table class="tparams">
    803. 

  803.     <tr><td class="paramname">quatType</td><td>Floating-point quaternion types.</td></tr>
    804. 

  804.   </table>
    805. 

  805.   </dd>
    806. 

  806. </dl>
    807. 

  807. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    808. 

  808. 

  809. </div>
    810. 

  810. </div>
    811. 

  811. <a class="anchor" id="ga2c08b93a4261c10748fd4d2104346f17"></a>
    812. 

  812. <div class="memitem">
    813. 

  813. <div class="memproto">
    814. 

  814.       <table class="memname">
    815. 

  815.         <tr>
    816. 

  816.           <td class="memname">GLM_FUNC_DECL T glm::pitch </td>
    817. 

  817.           <td>(</td>
    818. 

  818.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    819. 

  819.           <td class="paramname"><em>x</em></td><td>)</td>
    820. 

  820.           <td></td>
    821. 

  821.         </tr>
    822. 

  822.       </table>
    823. 

  823. </div><div class="memdoc">
    824. 

  824. 

  825. <p>Returns pitch value of euler angles expressed in radians. </p>
    826. 

  826. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00220.html" title="Extented quaternion types and functions. ">GLM_GTX_quaternion</a> </dd></dl>
    827. 

  827. 

  828. </div>
    829. 

  829. </div>
    830. 

  830. <a class="anchor" id="ga950f8acff3e33bbda77895a3dcb7e5ce"></a>
    831. 

  831. <div class="memitem">
    832. 

  832. <div class="memproto">
    833. 

  833.       <table class="memname">
    834. 

  834.         <tr>
    835. 

  835.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::quat_cast </td>
    836. 

  836.           <td>(</td>
    837. 

  837.           <td class="paramtype">tmat3x3&lt; T, P &gt; const &amp;&#160;</td>
    838. 

  838.           <td class="paramname"><em>x</em></td><td>)</td>
    839. 

  839.           <td></td>
    840. 

  840.         </tr>
    841. 

  841.       </table>
    842. 

  842. </div><div class="memdoc">
    843. 

  843. 

  844. <p>Converts a 3 * 3 matrix to a quaternion. </p>
    845. 

  845. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    846. 

  846. 

  847. <p>Referenced by <a class="el" href="a00089_source.html#l00142">glm::toQuat()</a>.</p>
    848. 

  848. 

  849. </div>
    850. 

  850. </div>
    851. 

  851. <a class="anchor" id="ga3e4615e9884dd0f41f5617b9848a5d9c"></a>
    852. 

  852. <div class="memitem">
    853. 

  853. <div class="memproto">
    854. 

  854.       <table class="memname">
    855. 

  855.         <tr>
    856. 

  856.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::quat_cast </td>
    857. 

  857.           <td>(</td>
    858. 

  858.           <td class="paramtype">tmat4x4&lt; T, P &gt; const &amp;&#160;</td>
    859. 

  859.           <td class="paramname"><em>x</em></td><td>)</td>
    860. 

  860.           <td></td>
    861. 

  861.         </tr>
    862. 

  862.       </table>
    863. 

  863. </div><div class="memdoc">
    864. 

  864. 

  865. <p>Converts a 4 * 4 matrix to a quaternion. </p>
    866. 

  866. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    867. 

  867. 

  868. </div>
    869. 

  869. </div>
    870. 

  870. <a class="anchor" id="ga4fd705376c6c1fd667be0055a0ea58ec"></a>
    871. 

  871. <div class="memitem">
    872. 

  872. <div class="memproto">
    873. 

  873.       <table class="memname">
    874. 

  874.         <tr>
    875. 

  875.           <td class="memname">GLM_FUNC_DECL T glm::roll </td>
    876. 

  876.           <td>(</td>
    877. 

  877.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    878. 

  878.           <td class="paramname"><em>x</em></td><td>)</td>
    879. 

  879.           <td></td>
    880. 

  880.         </tr>
    881. 

  881.       </table>
    882. 

  882. </div><div class="memdoc">
    883. 

  883. 

  884. <p>Returns roll value of euler angles expressed in radians. </p>
    885. 

  885. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00220.html" title="Extented quaternion types and functions. ">GLM_GTX_quaternion</a> </dd></dl>
    886. 

  886. 

  887. </div>
    888. 

  888. </div>
    889. 

  889. <a class="anchor" id="gaa8f42979c921e450ff2812fb43c25702"></a>
    890. 

  890. <div class="memitem">
    891. 

  891. <div class="memproto">
    892. 

  892.       <table class="memname">
    893. 

  893.         <tr>
    894. 

  894.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::rotate </td>
    895. 

  895.           <td>(</td>
    896. 

  896.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    897. 

  897.           <td class="paramname"><em>q</em>, </td>
    898. 

  898.         </tr>
    899. 

  899.         <tr>
    900. 

  900.           <td class="paramkey"></td>
    901. 

  901.           <td></td>
    902. 

  902.           <td class="paramtype">T const &amp;&#160;</td>
    903. 

  903.           <td class="paramname"><em>angle</em>, </td>
    904. 

  904.         </tr>
    905. 

  905.         <tr>
    906. 

  906.           <td class="paramkey"></td>
    907. 

  907.           <td></td>
    908. 

  908.           <td class="paramtype">tvec3&lt; T, P &gt; const &amp;&#160;</td>
    909. 

  909.           <td class="paramname"><em>axis</em>&#160;</td>
    910. 

  910.         </tr>
    911. 

  911.         <tr>
    912. 

  912.           <td></td>
    913. 

  913.           <td>)</td>
    914. 

  914.           <td></td><td></td>
    915. 

  915.         </tr>
    916. 

  916.       </table>
    917. 

  917. </div><div class="memdoc">
    918. 

  918. 

  919. <p>Rotates a quaternion from a vector of 3 components axis and an angle. </p>
    920. 

  920. <dl class="params"><dt>Parameters</dt><dd>
    921. 

  921.   <table class="params">
    922. 

  922.     <tr><td class="paramname">q</td><td>Source orientation </td></tr>
    923. 

  923.     <tr><td class="paramname">angle</td><td>Angle expressed in radians. </td></tr>
    924. 

  924.     <tr><td class="paramname">axis</td><td>Axis of the rotation</td></tr>
    925. 

  925.   </table>
    926. 

  926.   </dd>
    927. 

  927. </dl>
    928. 

  928. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    929. 

  929. 

  930. </div>
    931. 

  931. </div>
    932. 

  932. <a class="anchor" id="ga22b438c7252f3fa5b773c9882471652a"></a>
    933. 

  933. <div class="memitem">
    934. 

  934. <div class="memproto">
    935. 

  935.       <table class="memname">
    936. 

  936.         <tr>
    937. 

  937.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::slerp </td>
    938. 

  938.           <td>(</td>
    939. 

  939.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    940. 

  940.           <td class="paramname"><em>x</em>, </td>
    941. 

  941.         </tr>
    942. 

  942.         <tr>
    943. 

  943.           <td class="paramkey"></td>
    944. 

  944.           <td></td>
    945. 

  945.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    946. 

  946.           <td class="paramname"><em>y</em>, </td>
    947. 

  947.         </tr>
    948. 

  948.         <tr>
    949. 

  949.           <td class="paramkey"></td>
    950. 

  950.           <td></td>
    951. 

  951.           <td class="paramtype">T&#160;</td>
    952. 

  952.           <td class="paramname"><em>a</em>&#160;</td>
    953. 

  953.         </tr>
    954. 

  954.         <tr>
    955. 

  955.           <td></td>
    956. 

  956.           <td>)</td>
    957. 

  957.           <td></td><td></td>
    958. 

  958.         </tr>
    959. 

  959.       </table>
    960. 

  960. </div><div class="memdoc">
    961. 

  961. 

  962. <p>Spherical linear interpolation of two quaternions. </p>
    963. 

  963. <p>The interpolation always take the short path and the rotation is performed at constant speed.</p>
    964. 

  964. <dl class="params"><dt>Parameters</dt><dd>
    965. 

  965.   <table class="params">
    966. 

  966.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    967. 

  967.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    968. 

  968.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
    969. 

  969.   </table>
    970. 

  970.   </dd>
    971. 

  971. </dl>
    972. 

  972. <dl class="tparams"><dt>Template Parameters</dt><dd>
    973. 

  973.   <table class="tparams">
    974. 

  974.     <tr><td class="paramname">T</td><td>Value type used to build the quaternion. Supported: half, float or double. </td></tr>
    975. 

  975.   </table>
    976. 

  976.   </dd>
    977. 

  977. </dl>
    978. 

  978. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00172.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    979. 

  979. 

  980. </div>
    981. 

  981. </div>
    982. 

  982. <a class="anchor" id="ga724a5df282b70cec0a6cb0d6dcddb6d6"></a>
    983. 

  983. <div class="memitem">
    984. 

  984. <div class="memproto">
    985. 

  985.       <table class="memname">
    986. 

  986.         <tr>
    987. 

  987.           <td class="memname">GLM_FUNC_DECL T glm::yaw </td>
    988. 

  988.           <td>(</td>
    989. 

  989.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    990. 

  990.           <td class="paramname"><em>x</em></td><td>)</td>
    991. 

  991.           <td></td>
    992. 

  992.         </tr>
    993. 

  993.       </table>
    994. 

  994. </div><div class="memdoc">
    995. 

  995. 

  996. <p>Returns yaw value of euler angles expressed in radians. </p>
    997. 

  997. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00220.html" title="Extented quaternion types and functions. ">GLM_GTX_quaternion</a> </dd></dl>
    998. 

  998. 

  999. </div>
    1000. 

  1000. </div>
    1001. 

  1001. </div><!-- contents -->
    1002. 

  1002. <!-- start footer part -->
    1003. 

  1003. <hr class="footer"/><address class="footer"><small>
    1004. 

  1004. Generated by &#160;<a href="http://www.doxygen.org/index.html">
    1005. 

  1005. <img class="footer" src="doxygen.png" alt="doxygen"/>
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  1006. </a> 1.8.10
    1007. 

  1007. </small></address>
    1008. 

  1008. </body>
    1009. 

  1009. </html>
    1010.