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  78. <a href="#func-members">Functions</a>  </div>
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    80. 

  80. <div class="title">GLM_GTC_quaternion<div class="ingroups"><a class="el" href="a00156.html">GTC Extensions (Stable)</a></div></div>  </div>
    81. 

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    82. 

  82. <div class="contents">
    83. 

  83. 

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

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

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

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

  88. Functions</h2></td></tr>
    89. 

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

  90. <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="a00174.html#gad4a4448baedb198b2b1e7880d2544dc9">angle</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    91. 

  91. <tr class="memdesc:gad4a4448baedb198b2b1e7880d2544dc9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the quaternion rotation angle.  <a href="a00174.html#gad4a4448baedb198b2b1e7880d2544dc9">More...</a><br /></td></tr>
    92. 

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

  93. <tr class="memitem:ga513e3fb694837e1f40352cb5873828f8"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    94. 

  94. <tr class="memitem:ga513e3fb694837e1f40352cb5873828f8"><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="a00174.html#ga513e3fb694837e1f40352cb5873828f8">angleAxis</a> (T const &amp;angle, vec&lt; 3, T, P &gt; const &amp;axis)</td></tr>
    95. 

  95. <tr class="memdesc:ga513e3fb694837e1f40352cb5873828f8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a quaternion from an angle and a normalized axis.  <a href="a00174.html#ga513e3fb694837e1f40352cb5873828f8">More...</a><br /></td></tr>
    96. 

  96. <tr class="separator:ga513e3fb694837e1f40352cb5873828f8"><td class="memSeparator" colspan="2">&#160;</td></tr>
    97. 

  97. <tr class="memitem:ga30f9cab44cd6038900b8e021e8f6b935"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    98. 

  98. <tr class="memitem:ga30f9cab44cd6038900b8e021e8f6b935"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 3, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga30f9cab44cd6038900b8e021e8f6b935">axis</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    99. 

  99. <tr class="memdesc:ga30f9cab44cd6038900b8e021e8f6b935"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q rotation axis.  <a href="a00174.html#ga30f9cab44cd6038900b8e021e8f6b935">More...</a><br /></td></tr>
    100. 

  100. <tr class="separator:ga30f9cab44cd6038900b8e021e8f6b935"><td class="memSeparator" colspan="2">&#160;</td></tr>
    101. 

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

  102. <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="a00174.html#gab1ace864fbf189ffa368950001808a3c">conjugate</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    103. 

  103. <tr class="memdesc:gab1ace864fbf189ffa368950001808a3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q conjugate.  <a href="a00174.html#gab1ace864fbf189ffa368950001808a3c">More...</a><br /></td></tr>
    104. 

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

  105. <tr class="memitem:ga19bac6fb47e7dbcda35534253b501955"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    106. 

  106. <tr class="memitem:ga19bac6fb47e7dbcda35534253b501955"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga19bac6fb47e7dbcda35534253b501955">dot</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    107. 

  107. <tr class="memdesc:ga19bac6fb47e7dbcda35534253b501955"><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="a00174.html#ga19bac6fb47e7dbcda35534253b501955">More...</a><br /></td></tr>
    108. 

  108. <tr class="separator:ga19bac6fb47e7dbcda35534253b501955"><td class="memSeparator" colspan="2">&#160;</td></tr>
    109. 

  109. <tr class="memitem:gac1fcd8c68742992fd59310203423c023"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    110. 

  110. <tr class="memitem:gac1fcd8c68742992fd59310203423c023"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#gac1fcd8c68742992fd59310203423c023">equal</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    111. 

  111. <tr class="memdesc:gac1fcd8c68742992fd59310203423c023"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x == y.  <a href="a00174.html#gac1fcd8c68742992fd59310203423c023">More...</a><br /></td></tr>
    112. 

  112. <tr class="separator:gac1fcd8c68742992fd59310203423c023"><td class="memSeparator" colspan="2">&#160;</td></tr>
    113. 

  113. <tr class="memitem:gac4b0e197d14c7faec9d6640d0f8efc16"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    114. 

  114. <tr class="memitem:gac4b0e197d14c7faec9d6640d0f8efc16"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 3, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#gac4b0e197d14c7faec9d6640d0f8efc16">eulerAngles</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    115. 

  115. <tr class="memdesc:gac4b0e197d14c7faec9d6640d0f8efc16"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns euler angles, pitch as x, yaw as y, roll as z.  <a href="a00174.html#gac4b0e197d14c7faec9d6640d0f8efc16">More...</a><br /></td></tr>
    116. 

  116. <tr class="separator:gac4b0e197d14c7faec9d6640d0f8efc16"><td class="memSeparator" colspan="2">&#160;</td></tr>
    117. 

  117. <tr class="memitem:ga50a059de28c47e7dccb7019b4d37fb73"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    118. 

  118. <tr class="memitem:ga50a059de28c47e7dccb7019b4d37fb73"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga50a059de28c47e7dccb7019b4d37fb73">greaterThan</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    119. 

  119. <tr class="memdesc:ga50a059de28c47e7dccb7019b4d37fb73"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt; y.  <a href="a00174.html#ga50a059de28c47e7dccb7019b4d37fb73">More...</a><br /></td></tr>
    120. 

  120. <tr class="separator:ga50a059de28c47e7dccb7019b4d37fb73"><td class="memSeparator" colspan="2">&#160;</td></tr>
    121. 

  121. <tr class="memitem:ga76fa0d99965764a16b8fe8d34f60cfa1"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    122. 

  122. <tr class="memitem:ga76fa0d99965764a16b8fe8d34f60cfa1"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga76fa0d99965764a16b8fe8d34f60cfa1">greaterThanEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    123. 

  123. <tr class="memdesc:ga76fa0d99965764a16b8fe8d34f60cfa1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &gt;= y.  <a href="a00174.html#ga76fa0d99965764a16b8fe8d34f60cfa1">More...</a><br /></td></tr>
    124. 

  124. <tr class="separator:ga76fa0d99965764a16b8fe8d34f60cfa1"><td class="memSeparator" colspan="2">&#160;</td></tr>
    125. 

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

  126. <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="a00174.html#ga5f47300c024c2d809944e6ac661d6d14">inverse</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    127. 

  127. <tr class="memdesc:ga5f47300c024c2d809944e6ac661d6d14"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the q inverse.  <a href="a00174.html#ga5f47300c024c2d809944e6ac661d6d14">More...</a><br /></td></tr>
    128. 

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

  129. <tr class="memitem:ga88474bed7bdbedfe1b226a4c50ee39e5"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    130. 

  130. <tr class="memitem:ga88474bed7bdbedfe1b226a4c50ee39e5"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga88474bed7bdbedfe1b226a4c50ee39e5">isinf</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    131. 

  131. <tr class="memdesc:ga88474bed7bdbedfe1b226a4c50ee39e5"><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="a00174.html#ga88474bed7bdbedfe1b226a4c50ee39e5">More...</a><br /></td></tr>
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  132. <tr class="separator:ga88474bed7bdbedfe1b226a4c50ee39e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
    133. 

  133. <tr class="memitem:ga299e93c52ef2509965f7999cd0196e7a"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    134. 

  134. <tr class="memitem:ga299e93c52ef2509965f7999cd0196e7a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga299e93c52ef2509965f7999cd0196e7a">isnan</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    135. 

  135. <tr class="memdesc:ga299e93c52ef2509965f7999cd0196e7a"><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="a00174.html#ga299e93c52ef2509965f7999cd0196e7a">More...</a><br /></td></tr>
    136. 

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    137. 

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

  138. <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="a00174.html#gac682181783027544c8d251b4d3a60cf8">length</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    139. 

  139. <tr class="memdesc:gac682181783027544c8d251b4d3a60cf8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the length of the quaternion.  <a href="a00174.html#gac682181783027544c8d251b4d3a60cf8">More...</a><br /></td></tr>
    140. 

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

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

  142. <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="a00174.html#ga5692804fa4db9e762a1c19b607e54435">lerp</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    143. 

  143. <tr class="memdesc:ga5692804fa4db9e762a1c19b607e54435"><td class="mdescLeft">&#160;</td><td class="mdescRight">Linear interpolation of two quaternions.  <a href="a00174.html#ga5692804fa4db9e762a1c19b607e54435">More...</a><br /></td></tr>
    144. 

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

  145. <tr class="memitem:ga2cdaac7278237a6ca46355abb7ef03ce"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    146. 

  146. <tr class="memitem:ga2cdaac7278237a6ca46355abb7ef03ce"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga2cdaac7278237a6ca46355abb7ef03ce">lessThan</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    147. 

  147. <tr class="memdesc:ga2cdaac7278237a6ca46355abb7ef03ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison result of x &lt; y.  <a href="a00174.html#ga2cdaac7278237a6ca46355abb7ef03ce">More...</a><br /></td></tr>
    148. 

  148. <tr class="separator:ga2cdaac7278237a6ca46355abb7ef03ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
    149. 

  149. <tr class="memitem:ga2cc86c3780498566589a5c915b660d49"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    150. 

  150. <tr class="memitem:ga2cc86c3780498566589a5c915b660d49"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga2cc86c3780498566589a5c915b660d49">lessThanEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    151. 

  151. <tr class="memdesc:ga2cc86c3780498566589a5c915b660d49"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x &lt;= y.  <a href="a00174.html#ga2cc86c3780498566589a5c915b660d49">More...</a><br /></td></tr>
    152. 

  152. <tr class="separator:ga2cc86c3780498566589a5c915b660d49"><td class="memSeparator" colspan="2">&#160;</td></tr>
    153. 

  153. <tr class="memitem:ga903647421102a0ce39f06d10e4b14d3c"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    154. 

  154. <tr class="memitem:ga903647421102a0ce39f06d10e4b14d3c"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 3, 3, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga903647421102a0ce39f06d10e4b14d3c">mat3_cast</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    155. 

  155. <tr class="memdesc:ga903647421102a0ce39f06d10e4b14d3c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 3 * 3 matrix.  <a href="a00174.html#ga903647421102a0ce39f06d10e4b14d3c">More...</a><br /></td></tr>
    156. 

  156. <tr class="separator:ga903647421102a0ce39f06d10e4b14d3c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    157. 

  157. <tr class="memitem:ga2aab716151de566a3f6ec3bad49f3964"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    158. 

  158. <tr class="memitem:ga2aab716151de566a3f6ec3bad49f3964"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 4, 4, T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga2aab716151de566a3f6ec3bad49f3964">mat4_cast</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    159. 

  159. <tr class="memdesc:ga2aab716151de566a3f6ec3bad49f3964"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a quaternion to a 4 * 4 matrix.  <a href="a00174.html#ga2aab716151de566a3f6ec3bad49f3964">More...</a><br /></td></tr>
    160. 

  160. <tr class="separator:ga2aab716151de566a3f6ec3bad49f3964"><td class="memSeparator" colspan="2">&#160;</td></tr>
    161. 

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

  162. <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="a00174.html#ga31cc82178742c36450f5662bd4fb30b0">mix</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    163. 

  163. <tr class="memdesc:ga31cc82178742c36450f5662bd4fb30b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00174.html#ga31cc82178742c36450f5662bd4fb30b0">More...</a><br /></td></tr>
    164. 

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

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

  166. <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="a00174.html#ga35b6bcb22ac6d1e4a85440f5b69bdf86">normalize</a> (tquat&lt; T, P &gt; const &amp;q)</td></tr>
    167. 

  167. <tr class="memdesc:ga35b6bcb22ac6d1e4a85440f5b69bdf86"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the normalized quaternion.  <a href="a00174.html#ga35b6bcb22ac6d1e4a85440f5b69bdf86">More...</a><br /></td></tr>
    168. 

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

  169. <tr class="memitem:ga9bfd0663b62132254f9cb1c2672f5bbf"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    170. 

  170. <tr class="memitem:ga9bfd0663b62132254f9cb1c2672f5bbf"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga9bfd0663b62132254f9cb1c2672f5bbf">notEqual</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y)</td></tr>
    171. 

  171. <tr class="memdesc:ga9bfd0663b62132254f9cb1c2672f5bbf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the component-wise comparison of result x != y.  <a href="a00174.html#ga9bfd0663b62132254f9cb1c2672f5bbf">More...</a><br /></td></tr>
    172. 

  172. <tr class="separator:ga9bfd0663b62132254f9cb1c2672f5bbf"><td class="memSeparator" colspan="2">&#160;</td></tr>
    173. 

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

  174. <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="a00174.html#ga2c08b93a4261c10748fd4d2104346f17">pitch</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    175. 

  175. <tr class="memdesc:ga2c08b93a4261c10748fd4d2104346f17"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns pitch value of euler angles expressed in radians.  <a href="a00174.html#ga2c08b93a4261c10748fd4d2104346f17">More...</a><br /></td></tr>
    176. 

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

  177. <tr class="memitem:ga61f11ea26c2e7f2bb5e8bd3019c3f739"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    178. 

  178. <tr class="memitem:ga61f11ea26c2e7f2bb5e8bd3019c3f739"><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="a00174.html#ga61f11ea26c2e7f2bb5e8bd3019c3f739">quat_cast</a> (mat&lt; 3, 3, T, P &gt; const &amp;x)</td></tr>
    179. 

  179. <tr class="memdesc:ga61f11ea26c2e7f2bb5e8bd3019c3f739"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a 3 * 3 matrix to a quaternion.  <a href="a00174.html#ga61f11ea26c2e7f2bb5e8bd3019c3f739">More...</a><br /></td></tr>
    180. 

  180. <tr class="separator:ga61f11ea26c2e7f2bb5e8bd3019c3f739"><td class="memSeparator" colspan="2">&#160;</td></tr>
    181. 

  181. <tr class="memitem:gaca51f7c22c4a76b9d4104ad862da15ce"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    182. 

  182. <tr class="memitem:gaca51f7c22c4a76b9d4104ad862da15ce"><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="a00174.html#gaca51f7c22c4a76b9d4104ad862da15ce">quat_cast</a> (mat&lt; 4, 4, T, P &gt; const &amp;x)</td></tr>
    183. 

  183. <tr class="memdesc:gaca51f7c22c4a76b9d4104ad862da15ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts a 4 * 4 matrix to a quaternion.  <a href="a00174.html#gaca51f7c22c4a76b9d4104ad862da15ce">More...</a><br /></td></tr>
    184. 

  184. <tr class="separator:gaca51f7c22c4a76b9d4104ad862da15ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
    185. 

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

  186. <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="a00174.html#ga4fd705376c6c1fd667be0055a0ea58ec">roll</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    187. 

  187. <tr class="memdesc:ga4fd705376c6c1fd667be0055a0ea58ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns roll value of euler angles expressed in radians.  <a href="a00174.html#ga4fd705376c6c1fd667be0055a0ea58ec">More...</a><br /></td></tr>
    188. 

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

  189. <tr class="memitem:ga6e6822072246ec0c805873a968b1a1e2"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
    190. 

  190. <tr class="memitem:ga6e6822072246ec0c805873a968b1a1e2"><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="a00174.html#ga6e6822072246ec0c805873a968b1a1e2">rotate</a> (tquat&lt; T, P &gt; const &amp;q, T const &amp;angle, vec&lt; 3, T, P &gt; const &amp;axis)</td></tr>
    191. 

  191. <tr class="memdesc:ga6e6822072246ec0c805873a968b1a1e2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Rotates a quaternion from a vector of 3 components axis and an angle.  <a href="a00174.html#ga6e6822072246ec0c805873a968b1a1e2">More...</a><br /></td></tr>
    192. 

  192. <tr class="separator:ga6e6822072246ec0c805873a968b1a1e2"><td class="memSeparator" colspan="2">&#160;</td></tr>
    193. 

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

  194. <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="a00174.html#ga22b438c7252f3fa5b773c9882471652a">slerp</a> (tquat&lt; T, P &gt; const &amp;x, tquat&lt; T, P &gt; const &amp;y, T a)</td></tr>
    195. 

  195. <tr class="memdesc:ga22b438c7252f3fa5b773c9882471652a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Spherical linear interpolation of two quaternions.  <a href="a00174.html#ga22b438c7252f3fa5b773c9882471652a">More...</a><br /></td></tr>
    196. 

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

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

  198. <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="a00174.html#ga724a5df282b70cec0a6cb0d6dcddb6d6">yaw</a> (tquat&lt; T, P &gt; const &amp;x)</td></tr>
    199. 

  199. <tr class="memdesc:ga724a5df282b70cec0a6cb0d6dcddb6d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns yaw value of euler angles expressed in radians.  <a href="a00174.html#ga724a5df282b70cec0a6cb0d6dcddb6d6">More...</a><br /></td></tr>
    200. 

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

  201. </table>
    202. 

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

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

  204. <p>&lt;<a class="el" href="a00091.html" title="GLM_GTC_quaternion ">glm/gtc/quaternion.hpp</a>&gt; need to be included to use these functionalities. </p>
    205. 

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

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

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

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

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

  210.         <tr>
    211. 

  211.           <td class="memname">GLM_FUNC_DECL T glm::angle </td>
    212. 

  212.           <td>(</td>
    213. 

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

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

  215.           <td></td>
    216. 

  216.         </tr>
    217. 

  217.       </table>
    218. 

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

  219. 

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

  221. <dl class="tparams"><dt>Template Parameters</dt><dd>
    222. 

  222.   <table class="tparams">
    223. 

  223.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    224. 

  224.   </table>
    225. 

  225.   </dd>
    226. 

  226. </dl>
    227. 

  227. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    228. 

  228. 

  229. </div>
    230. 

  230. </div>
    231. 

  231. <a class="anchor" id="ga513e3fb694837e1f40352cb5873828f8"></a>
    232. 

  232. <div class="memitem">
    233. 

  233. <div class="memproto">
    234. 

  234.       <table class="memname">
    235. 

  235.         <tr>
    236. 

  236.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::angleAxis </td>
    237. 

  237.           <td>(</td>
    238. 

  238.           <td class="paramtype">T const &amp;&#160;</td>
    239. 

  239.           <td class="paramname"><em>angle</em>, </td>
    240. 

  240.         </tr>
    241. 

  241.         <tr>
    242. 

  242.           <td class="paramkey"></td>
    243. 

  243.           <td></td>
    244. 

  244.           <td class="paramtype">vec&lt; 3, T, P &gt; const &amp;&#160;</td>
    245. 

  245.           <td class="paramname"><em>axis</em>&#160;</td>
    246. 

  246.         </tr>
    247. 

  247.         <tr>
    248. 

  248.           <td></td>
    249. 

  249.           <td>)</td>
    250. 

  250.           <td></td><td></td>
    251. 

  251.         </tr>
    252. 

  252.       </table>
    253. 

  253. </div><div class="memdoc">
    254. 

  254. 

  255. <p>Build a quaternion from an angle and a normalized axis. </p>
    256. 

  256. <dl class="params"><dt>Parameters</dt><dd>
    257. 

  257.   <table class="params">
    258. 

  258.     <tr><td class="paramname">angle</td><td>Angle expressed in radians. </td></tr>
    259. 

  259.     <tr><td class="paramname">axis</td><td>Axis of the quaternion, must be normalized. </td></tr>
    260. 

  260.   </table>
    261. 

  261.   </dd>
    262. 

  262. </dl>
    263. 

  263. <dl class="tparams"><dt>Template Parameters</dt><dd>
    264. 

  264.   <table class="tparams">
    265. 

  265.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    266. 

  266.   </table>
    267. 

  267.   </dd>
    268. 

  268. </dl>
    269. 

  269. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    270. 

  270. 

  271. </div>
    272. 

  272. </div>
    273. 

  273. <a class="anchor" id="ga30f9cab44cd6038900b8e021e8f6b935"></a>
    274. 

  274. <div class="memitem">
    275. 

  275. <div class="memproto">
    276. 

  276.       <table class="memname">
    277. 

  277.         <tr>
    278. 

  278.           <td class="memname">GLM_FUNC_DECL vec&lt;3, T, P&gt; glm::axis </td>
    279. 

  279.           <td>(</td>
    280. 

  280.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    281. 

  281.           <td class="paramname"><em>x</em></td><td>)</td>
    282. 

  282.           <td></td>
    283. 

  283.         </tr>
    284. 

  284.       </table>
    285. 

  285. </div><div class="memdoc">
    286. 

  286. 

  287. <p>Returns the q rotation axis. </p>
    288. 

  288. <dl class="tparams"><dt>Template Parameters</dt><dd>
    289. 

  289.   <table class="tparams">
    290. 

  290.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    291. 

  291.   </table>
    292. 

  292.   </dd>
    293. 

  293. </dl>
    294. 

  294. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    295. 

  295. 

  296. </div>
    297. 

  297. </div>
    298. 

  298. <a class="anchor" id="gab1ace864fbf189ffa368950001808a3c"></a>
    299. 

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

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

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

  302.         <tr>
    303. 

  303.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::conjugate </td>
    304. 

  304.           <td>(</td>
    305. 

  305.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    306. 

  306.           <td class="paramname"><em>q</em></td><td>)</td>
    307. 

  307.           <td></td>
    308. 

  308.         </tr>
    309. 

  309.       </table>
    310. 

  310. </div><div class="memdoc">
    311. 

  311. 

  312. <p>Returns the q conjugate. </p>
    313. 

  313. <dl class="tparams"><dt>Template Parameters</dt><dd>
    314. 

  314.   <table class="tparams">
    315. 

  315.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    316. 

  316.   </table>
    317. 

  317.   </dd>
    318. 

  318. </dl>
    319. 

  319. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    320. 

  320. 

  321. </div>
    322. 

  322. </div>
    323. 

  323. <a class="anchor" id="ga19bac6fb47e7dbcda35534253b501955"></a>
    324. 

  324. <div class="memitem">
    325. 

  325. <div class="memproto">
    326. 

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

  327.         <tr>
    328. 

  328.           <td class="memname">GLM_FUNC_DECL T glm::dot </td>
    329. 

  329.           <td>(</td>
    330. 

  330.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    331. 

  331.           <td class="paramname"><em>x</em>, </td>
    332. 

  332.         </tr>
    333. 

  333.         <tr>
    334. 

  334.           <td class="paramkey"></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>y</em>&#160;</td>
    338. 

  338.         </tr>
    339. 

  339.         <tr>
    340. 

  340.           <td></td>
    341. 

  341.           <td>)</td>
    342. 

  342.           <td></td><td></td>
    343. 

  343.         </tr>
    344. 

  344.       </table>
    345. 

  345. </div><div class="memdoc">
    346. 

  346. 

  347. <p>Returns dot product of q1 and q2, i.e., q1[0] * q2[0] + q1[1] * q2[1] + ... </p>
    348. 

  348. <dl class="tparams"><dt>Template Parameters</dt><dd>
    349. 

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

  350.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    351. 

  351.   </table>
    352. 

  352.   </dd>
    353. 

  353. </dl>
    354. 

  354. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    355. 

  355. 

  356. </div>
    357. 

  357. </div>
    358. 

  358. <a class="anchor" id="gac1fcd8c68742992fd59310203423c023"></a>
    359. 

  359. <div class="memitem">
    360. 

  360. <div class="memproto">
    361. 

  361.       <table class="memname">
    362. 

  362.         <tr>
    363. 

  363.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::equal </td>
    364. 

  364.           <td>(</td>
    365. 

  365.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    366. 

  366.           <td class="paramname"><em>x</em>, </td>
    367. 

  367.         </tr>
    368. 

  368.         <tr>
    369. 

  369.           <td class="paramkey"></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>y</em>&#160;</td>
    373. 

  373.         </tr>
    374. 

  374.         <tr>
    375. 

  375.           <td></td>
    376. 

  376.           <td>)</td>
    377. 

  377.           <td></td><td></td>
    378. 

  378.         </tr>
    379. 

  379.       </table>
    380. 

  380. </div><div class="memdoc">
    381. 

  381. 

  382. <p>Returns the component-wise comparison of result x == y. </p>
    383. 

  383. <dl class="tparams"><dt>Template Parameters</dt><dd>
    384. 

  384.   <table class="tparams">
    385. 

  385.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    386. 

  386.   </table>
    387. 

  387.   </dd>
    388. 

  388. </dl>
    389. 

  389. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    390. 

  390. 

  391. </div>
    392. 

  392. </div>
    393. 

  393. <a class="anchor" id="gac4b0e197d14c7faec9d6640d0f8efc16"></a>
    394. 

  394. <div class="memitem">
    395. 

  395. <div class="memproto">
    396. 

  396.       <table class="memname">
    397. 

  397.         <tr>
    398. 

  398.           <td class="memname">GLM_FUNC_DECL vec&lt;3, T, P&gt; glm::eulerAngles </td>
    399. 

  399.           <td>(</td>
    400. 

  400.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    401. 

  401.           <td class="paramname"><em>x</em></td><td>)</td>
    402. 

  402.           <td></td>
    403. 

  403.         </tr>
    404. 

  404.       </table>
    405. 

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

  406. 

  407. <p>Returns euler angles, pitch as x, yaw as y, roll as z. </p>
    408. 

  408. <p>The result is expressed in radians.</p>
    409. 

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

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

  411.     <tr><td class="paramname">T</td><td>Floating-point scalar 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="a00174.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="ga50a059de28c47e7dccb7019b4d37fb73"></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 vec&lt;4, bool, P&gt; glm::greaterThan </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">T</td><td>Floating-point scalar 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="a00174.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="ga76fa0d99965764a16b8fe8d34f60cfa1"></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 vec&lt;4, bool, P&gt; glm::greaterThanEqual </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>x</em>, </td>
    463. 

  463.         </tr>
    464. 

  464.         <tr>
    465. 

  465.           <td class="paramkey"></td>
    466. 

  466.           <td></td>
    467. 

  467.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    468. 

  468.           <td class="paramname"><em>y</em>&#160;</td>
    469. 

  469.         </tr>
    470. 

  470.         <tr>
    471. 

  471.           <td></td>
    472. 

  472.           <td>)</td>
    473. 

  473.           <td></td><td></td>
    474. 

  474.         </tr>
    475. 

  475.       </table>
    476. 

  476. </div><div class="memdoc">
    477. 

  477. 

  478. <p>Returns the component-wise comparison of result x &gt;= y. </p>
    479. 

  479. <dl class="tparams"><dt>Template Parameters</dt><dd>
    480. 

  480.   <table class="tparams">
    481. 

  481.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    482. 

  482.   </table>
    483. 

  483.   </dd>
    484. 

  484. </dl>
    485. 

  485. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    486. 

  486. 

  487. </div>
    488. 

  488. </div>
    489. 

  489. <a class="anchor" id="ga5f47300c024c2d809944e6ac661d6d14"></a>
    490. 

  490. <div class="memitem">
    491. 

  491. <div class="memproto">
    492. 

  492.       <table class="memname">
    493. 

  493.         <tr>
    494. 

  494.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::inverse </td>
    495. 

  495.           <td>(</td>
    496. 

  496.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    497. 

  497.           <td class="paramname"><em>q</em></td><td>)</td>
    498. 

  498.           <td></td>
    499. 

  499.         </tr>
    500. 

  500.       </table>
    501. 

  501. </div><div class="memdoc">
    502. 

  502. 

  503. <p>Returns the q inverse. </p>
    504. 

  504. <dl class="tparams"><dt>Template Parameters</dt><dd>
    505. 

  505.   <table class="tparams">
    506. 

  506.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    507. 

  507.   </table>
    508. 

  508.   </dd>
    509. 

  509. </dl>
    510. 

  510. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    511. 

  511. 

  512. </div>
    513. 

  513. </div>
    514. 

  514. <a class="anchor" id="ga88474bed7bdbedfe1b226a4c50ee39e5"></a>
    515. 

  515. <div class="memitem">
    516. 

  516. <div class="memproto">
    517. 

  517.       <table class="memname">
    518. 

  518.         <tr>
    519. 

  519.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::isinf </td>
    520. 

  520.           <td>(</td>
    521. 

  521.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    522. 

  522.           <td class="paramname"><em>x</em></td><td>)</td>
    523. 

  523.           <td></td>
    524. 

  524.         </tr>
    525. 

  525.       </table>
    526. 

  526. </div><div class="memdoc">
    527. 

  527. 

  528. <p>Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations. </p>
    529. 

  529. <p>Returns false otherwise, including for implementations with no infinity representations.</p>
    530. 

  530. <dl class="tparams"><dt>Template Parameters</dt><dd>
    531. 

  531.   <table class="tparams">
    532. 

  532.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    533. 

  533.   </table>
    534. 

  534.   </dd>
    535. 

  535. </dl>
    536. 

  536. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    537. 

  537. 

  538. </div>
    539. 

  539. </div>
    540. 

  540. <a class="anchor" id="ga299e93c52ef2509965f7999cd0196e7a"></a>
    541. 

  541. <div class="memitem">
    542. 

  542. <div class="memproto">
    543. 

  543.       <table class="memname">
    544. 

  544.         <tr>
    545. 

  545.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::isnan </td>
    546. 

  546.           <td>(</td>
    547. 

  547.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    548. 

  548.           <td class="paramname"><em>x</em></td><td>)</td>
    549. 

  549.           <td></td>
    550. 

  550.         </tr>
    551. 

  551.       </table>
    552. 

  552. </div><div class="memdoc">
    553. 

  553. 

  554. <p>Returns true if x holds a NaN (not a number) representation in the underlying implementation's set of floating point representations. </p>
    555. 

  555. <p>Returns false otherwise, including for implementations with no NaN representations.</p>
    556. 

  556. <p>/!\ When using compiler fast math, this function may fail.</p>
    557. 

  557. <dl class="tparams"><dt>Template Parameters</dt><dd>
    558. 

  558.   <table class="tparams">
    559. 

  559.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    560. 

  560.   </table>
    561. 

  561.   </dd>
    562. 

  562. </dl>
    563. 

  563. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    564. 

  564. 

  565. </div>
    566. 

  566. </div>
    567. 

  567. <a class="anchor" id="gac682181783027544c8d251b4d3a60cf8"></a>
    568. 

  568. <div class="memitem">
    569. 

  569. <div class="memproto">
    570. 

  570.       <table class="memname">
    571. 

  571.         <tr>
    572. 

  572.           <td class="memname">GLM_FUNC_DECL T glm::length </td>
    573. 

  573.           <td>(</td>
    574. 

  574.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    575. 

  575.           <td class="paramname"><em>q</em></td><td>)</td>
    576. 

  576.           <td></td>
    577. 

  577.         </tr>
    578. 

  578.       </table>
    579. 

  579. </div><div class="memdoc">
    580. 

  580. 

  581. <p>Returns the length of the quaternion. </p>
    582. 

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

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

  584.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    585. 

  585.   </table>
    586. 

  586.   </dd>
    587. 

  587. </dl>
    588. 

  588. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    589. 

  589. 

  590. </div>
    591. 

  591. </div>
    592. 

  592. <a class="anchor" id="ga5692804fa4db9e762a1c19b607e54435"></a>
    593. 

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

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

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

  596.         <tr>
    597. 

  597.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::lerp </td>
    598. 

  598.           <td>(</td>
    599. 

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

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

  601.         </tr>
    602. 

  602.         <tr>
    603. 

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

  604.           <td></td>
    605. 

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

  606.           <td class="paramname"><em>y</em>, </td>
    607. 

  607.         </tr>
    608. 

  608.         <tr>
    609. 

  609.           <td class="paramkey"></td>
    610. 

  610.           <td></td>
    611. 

  611.           <td class="paramtype">T&#160;</td>
    612. 

  612.           <td class="paramname"><em>a</em>&#160;</td>
    613. 

  613.         </tr>
    614. 

  614.         <tr>
    615. 

  615.           <td></td>
    616. 

  616.           <td>)</td>
    617. 

  617.           <td></td><td></td>
    618. 

  618.         </tr>
    619. 

  619.       </table>
    620. 

  620. </div><div class="memdoc">
    621. 

  621. 

  622. <p>Linear interpolation of two quaternions. </p>
    623. 

  623. <p>The interpolation is oriented.</p>
    624. 

  624. <dl class="params"><dt>Parameters</dt><dd>
    625. 

  625.   <table class="params">
    626. 

  626.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    627. 

  627.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    628. 

  628.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined in the range [0, 1]. </td></tr>
    629. 

  629.   </table>
    630. 

  630.   </dd>
    631. 

  631. </dl>
    632. 

  632. <dl class="tparams"><dt>Template Parameters</dt><dd>
    633. 

  633.   <table class="tparams">
    634. 

  634.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    635. 

  635.   </table>
    636. 

  636.   </dd>
    637. 

  637. </dl>
    638. 

  638. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    639. 

  639. 

  640. </div>
    641. 

  641. </div>
    642. 

  642. <a class="anchor" id="ga2cdaac7278237a6ca46355abb7ef03ce"></a>
    643. 

  643. <div class="memitem">
    644. 

  644. <div class="memproto">
    645. 

  645.       <table class="memname">
    646. 

  646.         <tr>
    647. 

  647.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::lessThan </td>
    648. 

  648.           <td>(</td>
    649. 

  649.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    650. 

  650.           <td class="paramname"><em>x</em>, </td>
    651. 

  651.         </tr>
    652. 

  652.         <tr>
    653. 

  653.           <td class="paramkey"></td>
    654. 

  654.           <td></td>
    655. 

  655.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    656. 

  656.           <td class="paramname"><em>y</em>&#160;</td>
    657. 

  657.         </tr>
    658. 

  658.         <tr>
    659. 

  659.           <td></td>
    660. 

  660.           <td>)</td>
    661. 

  661.           <td></td><td></td>
    662. 

  662.         </tr>
    663. 

  663.       </table>
    664. 

  664. </div><div class="memdoc">
    665. 

  665. 

  666. <p>Returns the component-wise comparison result of x &lt; y. </p>
    667. 

  667. <dl class="tparams"><dt>Template Parameters</dt><dd>
    668. 

  668.   <table class="tparams">
    669. 

  669.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    670. 

  670.   </table>
    671. 

  671.   </dd>
    672. 

  672. </dl>
    673. 

  673. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    674. 

  674. 

  675. </div>
    676. 

  676. </div>
    677. 

  677. <a class="anchor" id="ga2cc86c3780498566589a5c915b660d49"></a>
    678. 

  678. <div class="memitem">
    679. 

  679. <div class="memproto">
    680. 

  680.       <table class="memname">
    681. 

  681.         <tr>
    682. 

  682.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::lessThanEqual </td>
    683. 

  683.           <td>(</td>
    684. 

  684.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    685. 

  685.           <td class="paramname"><em>x</em>, </td>
    686. 

  686.         </tr>
    687. 

  687.         <tr>
    688. 

  688.           <td class="paramkey"></td>
    689. 

  689.           <td></td>
    690. 

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

  691.           <td class="paramname"><em>y</em>&#160;</td>
    692. 

  692.         </tr>
    693. 

  693.         <tr>
    694. 

  694.           <td></td>
    695. 

  695.           <td>)</td>
    696. 

  696.           <td></td><td></td>
    697. 

  697.         </tr>
    698. 

  698.       </table>
    699. 

  699. </div><div class="memdoc">
    700. 

  700. 

  701. <p>Returns the component-wise comparison of result x &lt;= y. </p>
    702. 

  702. <dl class="tparams"><dt>Template Parameters</dt><dd>
    703. 

  703.   <table class="tparams">
    704. 

  704.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    705. 

  705.   </table>
    706. 

  706.   </dd>
    707. 

  707. </dl>
    708. 

  708. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    709. 

  709. 

  710. </div>
    711. 

  711. </div>
    712. 

  712. <a class="anchor" id="ga903647421102a0ce39f06d10e4b14d3c"></a>
    713. 

  713. <div class="memitem">
    714. 

  714. <div class="memproto">
    715. 

  715.       <table class="memname">
    716. 

  716.         <tr>
    717. 

  717.           <td class="memname">GLM_FUNC_DECL mat&lt;3, 3, T, P&gt; glm::mat3_cast </td>
    718. 

  718.           <td>(</td>
    719. 

  719.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    720. 

  720.           <td class="paramname"><em>x</em></td><td>)</td>
    721. 

  721.           <td></td>
    722. 

  722.         </tr>
    723. 

  723.       </table>
    724. 

  724. </div><div class="memdoc">
    725. 

  725. 

  726. <p>Converts a quaternion to a 3 * 3 matrix. </p>
    727. 

  727. <dl class="tparams"><dt>Template Parameters</dt><dd>
    728. 

  728.   <table class="tparams">
    729. 

  729.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    730. 

  730.   </table>
    731. 

  731.   </dd>
    732. 

  732. </dl>
    733. 

  733. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    734. 

  734. 

  735. <p>Referenced by <a class="el" href="a00092_source.html#l00134">glm::toMat3()</a>.</p>
    736. 

  736. 

  737. </div>
    738. 

  738. </div>
    739. 

  739. <a class="anchor" id="ga2aab716151de566a3f6ec3bad49f3964"></a>
    740. 

  740. <div class="memitem">
    741. 

  741. <div class="memproto">
    742. 

  742.       <table class="memname">
    743. 

  743.         <tr>
    744. 

  744.           <td class="memname">GLM_FUNC_DECL mat&lt;4, 4, T, P&gt; glm::mat4_cast </td>
    745. 

  745.           <td>(</td>
    746. 

  746.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    747. 

  747.           <td class="paramname"><em>x</em></td><td>)</td>
    748. 

  748.           <td></td>
    749. 

  749.         </tr>
    750. 

  750.       </table>
    751. 

  751. </div><div class="memdoc">
    752. 

  752. 

  753. <p>Converts a quaternion to a 4 * 4 matrix. </p>
    754. 

  754. <dl class="tparams"><dt>Template Parameters</dt><dd>
    755. 

  755.   <table class="tparams">
    756. 

  756.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    757. 

  757.   </table>
    758. 

  758.   </dd>
    759. 

  759. </dl>
    760. 

  760. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    761. 

  761. 

  762. <p>Referenced by <a class="el" href="a00092_source.html#l00141">glm::toMat4()</a>.</p>
    763. 

  763. 

  764. </div>
    765. 

  765. </div>
    766. 

  766. <a class="anchor" id="ga31cc82178742c36450f5662bd4fb30b0"></a>
    767. 

  767. <div class="memitem">
    768. 

  768. <div class="memproto">
    769. 

  769.       <table class="memname">
    770. 

  770.         <tr>
    771. 

  771.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::mix </td>
    772. 

  772.           <td>(</td>
    773. 

  773.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    774. 

  774.           <td class="paramname"><em>x</em>, </td>
    775. 

  775.         </tr>
    776. 

  776.         <tr>
    777. 

  777.           <td class="paramkey"></td>
    778. 

  778.           <td></td>
    779. 

  779.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    780. 

  780.           <td class="paramname"><em>y</em>, </td>
    781. 

  781.         </tr>
    782. 

  782.         <tr>
    783. 

  783.           <td class="paramkey"></td>
    784. 

  784.           <td></td>
    785. 

  785.           <td class="paramtype">T&#160;</td>
    786. 

  786.           <td class="paramname"><em>a</em>&#160;</td>
    787. 

  787.         </tr>
    788. 

  788.         <tr>
    789. 

  789.           <td></td>
    790. 

  790.           <td>)</td>
    791. 

  791.           <td></td><td></td>
    792. 

  792.         </tr>
    793. 

  793.       </table>
    794. 

  794. </div><div class="memdoc">
    795. 

  795. 

  796. <p>Spherical linear interpolation of two quaternions. </p>
    797. 

  797. <p>The interpolation is oriented and the rotation is performed at constant speed. For short path spherical linear interpolation, use the slerp function.</p>
    798. 

  798. <dl class="params"><dt>Parameters</dt><dd>
    799. 

  799.   <table class="params">
    800. 

  800.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    801. 

  801.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    802. 

  802.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
    803. 

  803.   </table>
    804. 

  804.   </dd>
    805. 

  805. </dl>
    806. 

  806. <dl class="tparams"><dt>Template Parameters</dt><dd>
    807. 

  807.   <table class="tparams">
    808. 

  808.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    809. 

  809.   </table>
    810. 

  810.   </dd>
    811. 

  811. </dl>
    812. 

  812. <dl class="section see"><dt>See also</dt><dd>- slerp(tquat&lt;T, P&gt; const &amp; x, tquat&lt;T, P&gt; const &amp; y, T const &amp; a) </dd>
    813. 

  813. <dd>
    814. 

  814. <a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    815. 

  815. 

  816. </div>
    817. 

  817. </div>
    818. 

  818. <a class="anchor" id="ga35b6bcb22ac6d1e4a85440f5b69bdf86"></a>
    819. 

  819. <div class="memitem">
    820. 

  820. <div class="memproto">
    821. 

  821.       <table class="memname">
    822. 

  822.         <tr>
    823. 

  823.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::normalize </td>
    824. 

  824.           <td>(</td>
    825. 

  825.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    826. 

  826.           <td class="paramname"><em>q</em></td><td>)</td>
    827. 

  827.           <td></td>
    828. 

  828.         </tr>
    829. 

  829.       </table>
    830. 

  830. </div><div class="memdoc">
    831. 

  831. 

  832. <p>Returns the normalized quaternion. </p>
    833. 

  833. <dl class="tparams"><dt>Template Parameters</dt><dd>
    834. 

  834.   <table class="tparams">
    835. 

  835.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    836. 

  836.   </table>
    837. 

  837.   </dd>
    838. 

  838. </dl>
    839. 

  839. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    840. 

  840. 

  841. </div>
    842. 

  842. </div>
    843. 

  843. <a class="anchor" id="ga9bfd0663b62132254f9cb1c2672f5bbf"></a>
    844. 

  844. <div class="memitem">
    845. 

  845. <div class="memproto">
    846. 

  846.       <table class="memname">
    847. 

  847.         <tr>
    848. 

  848.           <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, P&gt; glm::notEqual </td>
    849. 

  849.           <td>(</td>
    850. 

  850.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    851. 

  851.           <td class="paramname"><em>x</em>, </td>
    852. 

  852.         </tr>
    853. 

  853.         <tr>
    854. 

  854.           <td class="paramkey"></td>
    855. 

  855.           <td></td>
    856. 

  856.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    857. 

  857.           <td class="paramname"><em>y</em>&#160;</td>
    858. 

  858.         </tr>
    859. 

  859.         <tr>
    860. 

  860.           <td></td>
    861. 

  861.           <td>)</td>
    862. 

  862.           <td></td><td></td>
    863. 

  863.         </tr>
    864. 

  864.       </table>
    865. 

  865. </div><div class="memdoc">
    866. 

  866. 

  867. <p>Returns the component-wise comparison of result x != y. </p>
    868. 

  868. <dl class="tparams"><dt>Template Parameters</dt><dd>
    869. 

  869.   <table class="tparams">
    870. 

  870.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    871. 

  871.   </table>
    872. 

  872.   </dd>
    873. 

  873. </dl>
    874. 

  874. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    875. 

  875. 

  876. </div>
    877. 

  877. </div>
    878. 

  878. <a class="anchor" id="ga2c08b93a4261c10748fd4d2104346f17"></a>
    879. 

  879. <div class="memitem">
    880. 

  880. <div class="memproto">
    881. 

  881.       <table class="memname">
    882. 

  882.         <tr>
    883. 

  883.           <td class="memname">GLM_FUNC_DECL T glm::pitch </td>
    884. 

  884.           <td>(</td>
    885. 

  885.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    886. 

  886.           <td class="paramname"><em>x</em></td><td>)</td>
    887. 

  887.           <td></td>
    888. 

  888.         </tr>
    889. 

  889.       </table>
    890. 

  890. </div><div class="memdoc">
    891. 

  891. 

  892. <p>Returns pitch value of euler angles expressed in radians. </p>
    893. 

  893. <dl class="tparams"><dt>Template Parameters</dt><dd>
    894. 

  894.   <table class="tparams">
    895. 

  895.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    896. 

  896.   </table>
    897. 

  897.   </dd>
    898. 

  898. </dl>
    899. 

  899. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    900. 

  900. 

  901. </div>
    902. 

  902. </div>
    903. 

  903. <a class="anchor" id="ga61f11ea26c2e7f2bb5e8bd3019c3f739"></a>
    904. 

  904. <div class="memitem">
    905. 

  905. <div class="memproto">
    906. 

  906.       <table class="memname">
    907. 

  907.         <tr>
    908. 

  908.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::quat_cast </td>
    909. 

  909.           <td>(</td>
    910. 

  910.           <td class="paramtype">mat&lt; 3, 3, T, P &gt; const &amp;&#160;</td>
    911. 

  911.           <td class="paramname"><em>x</em></td><td>)</td>
    912. 

  912.           <td></td>
    913. 

  913.         </tr>
    914. 

  914.       </table>
    915. 

  915. </div><div class="memdoc">
    916. 

  916. 

  917. <p>Converts a 3 * 3 matrix to a quaternion. </p>
    918. 

  918. <dl class="tparams"><dt>Template Parameters</dt><dd>
    919. 

  919.   <table class="tparams">
    920. 

  920.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    921. 

  921.   </table>
    922. 

  922.   </dd>
    923. 

  923. </dl>
    924. 

  924. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    925. 

  925. 

  926. <p>Referenced by <a class="el" href="a00092_source.html#l00148">glm::toQuat()</a>.</p>
    927. 

  927. 

  928. </div>
    929. 

  929. </div>
    930. 

  930. <a class="anchor" id="gaca51f7c22c4a76b9d4104ad862da15ce"></a>
    931. 

  931. <div class="memitem">
    932. 

  932. <div class="memproto">
    933. 

  933.       <table class="memname">
    934. 

  934.         <tr>
    935. 

  935.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::quat_cast </td>
    936. 

  936.           <td>(</td>
    937. 

  937.           <td class="paramtype">mat&lt; 4, 4, T, P &gt; const &amp;&#160;</td>
    938. 

  938.           <td class="paramname"><em>x</em></td><td>)</td>
    939. 

  939.           <td></td>
    940. 

  940.         </tr>
    941. 

  941.       </table>
    942. 

  942. </div><div class="memdoc">
    943. 

  943. 

  944. <p>Converts a 4 * 4 matrix to a quaternion. </p>
    945. 

  945. <dl class="tparams"><dt>Template Parameters</dt><dd>
    946. 

  946.   <table class="tparams">
    947. 

  947.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    948. 

  948.   </table>
    949. 

  949.   </dd>
    950. 

  950. </dl>
    951. 

  951. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    952. 

  952. 

  953. </div>
    954. 

  954. </div>
    955. 

  955. <a class="anchor" id="ga4fd705376c6c1fd667be0055a0ea58ec"></a>
    956. 

  956. <div class="memitem">
    957. 

  957. <div class="memproto">
    958. 

  958.       <table class="memname">
    959. 

  959.         <tr>
    960. 

  960.           <td class="memname">GLM_FUNC_DECL T glm::roll </td>
    961. 

  961.           <td>(</td>
    962. 

  962.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    963. 

  963.           <td class="paramname"><em>x</em></td><td>)</td>
    964. 

  964.           <td></td>
    965. 

  965.         </tr>
    966. 

  966.       </table>
    967. 

  967. </div><div class="memdoc">
    968. 

  968. 

  969. <p>Returns roll value of euler angles expressed in radians. </p>
    970. 

  970. <dl class="tparams"><dt>Template Parameters</dt><dd>
    971. 

  971.   <table class="tparams">
    972. 

  972.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    973. 

  973.   </table>
    974. 

  974.   </dd>
    975. 

  975. </dl>
    976. 

  976. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    977. 

  977. 

  978. </div>
    979. 

  979. </div>
    980. 

  980. <a class="anchor" id="ga6e6822072246ec0c805873a968b1a1e2"></a>
    981. 

  981. <div class="memitem">
    982. 

  982. <div class="memproto">
    983. 

  983.       <table class="memname">
    984. 

  984.         <tr>
    985. 

  985.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::rotate </td>
    986. 

  986.           <td>(</td>
    987. 

  987.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    988. 

  988.           <td class="paramname"><em>q</em>, </td>
    989. 

  989.         </tr>
    990. 

  990.         <tr>
    991. 

  991.           <td class="paramkey"></td>
    992. 

  992.           <td></td>
    993. 

  993.           <td class="paramtype">T const &amp;&#160;</td>
    994. 

  994.           <td class="paramname"><em>angle</em>, </td>
    995. 

  995.         </tr>
    996. 

  996.         <tr>
    997. 

  997.           <td class="paramkey"></td>
    998. 

  998.           <td></td>
    999. 

  999.           <td class="paramtype">vec&lt; 3, T, P &gt; const &amp;&#160;</td>
    1000. 

  1000.           <td class="paramname"><em>axis</em>&#160;</td>
    1001. 

  1001.         </tr>
    1002. 

  1002.         <tr>
    1003. 

  1003.           <td></td>
    1004. 

  1004.           <td>)</td>
    1005. 

  1005.           <td></td><td></td>
    1006. 

  1006.         </tr>
    1007. 

  1007.       </table>
    1008. 

  1008. </div><div class="memdoc">
    1009. 

  1009. 

  1010. <p>Rotates a quaternion from a vector of 3 components axis and an angle. </p>
    1011. 

  1011. <dl class="params"><dt>Parameters</dt><dd>
    1012. 

  1012.   <table class="params">
    1013. 

  1013.     <tr><td class="paramname">q</td><td>Source orientation </td></tr>
    1014. 

  1014.     <tr><td class="paramname">angle</td><td>Angle expressed in radians. </td></tr>
    1015. 

  1015.     <tr><td class="paramname">axis</td><td>Axis of the rotation </td></tr>
    1016. 

  1016.   </table>
    1017. 

  1017.   </dd>
    1018. 

  1018. </dl>
    1019. 

  1019. <dl class="tparams"><dt>Template Parameters</dt><dd>
    1020. 

  1020.   <table class="tparams">
    1021. 

  1021.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    1022. 

  1022.   </table>
    1023. 

  1023.   </dd>
    1024. 

  1024. </dl>
    1025. 

  1025. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    1026. 

  1026. 

  1027. </div>
    1028. 

  1028. </div>
    1029. 

  1029. <a class="anchor" id="ga22b438c7252f3fa5b773c9882471652a"></a>
    1030. 

  1030. <div class="memitem">
    1031. 

  1031. <div class="memproto">
    1032. 

  1032.       <table class="memname">
    1033. 

  1033.         <tr>
    1034. 

  1034.           <td class="memname">GLM_FUNC_DECL tquat&lt;T, P&gt; glm::slerp </td>
    1035. 

  1035.           <td>(</td>
    1036. 

  1036.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    1037. 

  1037.           <td class="paramname"><em>x</em>, </td>
    1038. 

  1038.         </tr>
    1039. 

  1039.         <tr>
    1040. 

  1040.           <td class="paramkey"></td>
    1041. 

  1041.           <td></td>
    1042. 

  1042.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    1043. 

  1043.           <td class="paramname"><em>y</em>, </td>
    1044. 

  1044.         </tr>
    1045. 

  1045.         <tr>
    1046. 

  1046.           <td class="paramkey"></td>
    1047. 

  1047.           <td></td>
    1048. 

  1048.           <td class="paramtype">T&#160;</td>
    1049. 

  1049.           <td class="paramname"><em>a</em>&#160;</td>
    1050. 

  1050.         </tr>
    1051. 

  1051.         <tr>
    1052. 

  1052.           <td></td>
    1053. 

  1053.           <td>)</td>
    1054. 

  1054.           <td></td><td></td>
    1055. 

  1055.         </tr>
    1056. 

  1056.       </table>
    1057. 

  1057. </div><div class="memdoc">
    1058. 

  1058. 

  1059. <p>Spherical linear interpolation of two quaternions. </p>
    1060. 

  1060. <p>The interpolation always take the short path and the rotation is performed at constant speed.</p>
    1061. 

  1061. <dl class="params"><dt>Parameters</dt><dd>
    1062. 

  1062.   <table class="params">
    1063. 

  1063.     <tr><td class="paramname">x</td><td>A quaternion </td></tr>
    1064. 

  1064.     <tr><td class="paramname">y</td><td>A quaternion </td></tr>
    1065. 

  1065.     <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
    1066. 

  1066.   </table>
    1067. 

  1067.   </dd>
    1068. 

  1068. </dl>
    1069. 

  1069. <dl class="tparams"><dt>Template Parameters</dt><dd>
    1070. 

  1070.   <table class="tparams">
    1071. 

  1071.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    1072. 

  1072.   </table>
    1073. 

  1073.   </dd>
    1074. 

  1074. </dl>
    1075. 

  1075. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    1076. 

  1076. 

  1077. </div>
    1078. 

  1078. </div>
    1079. 

  1079. <a class="anchor" id="ga724a5df282b70cec0a6cb0d6dcddb6d6"></a>
    1080. 

  1080. <div class="memitem">
    1081. 

  1081. <div class="memproto">
    1082. 

  1082.       <table class="memname">
    1083. 

  1083.         <tr>
    1084. 

  1084.           <td class="memname">GLM_FUNC_DECL T glm::yaw </td>
    1085. 

  1085.           <td>(</td>
    1086. 

  1086.           <td class="paramtype">tquat&lt; T, P &gt; const &amp;&#160;</td>
    1087. 

  1087.           <td class="paramname"><em>x</em></td><td>)</td>
    1088. 

  1088.           <td></td>
    1089. 

  1089.         </tr>
    1090. 

  1090.       </table>
    1091. 

  1091. </div><div class="memdoc">
    1092. 

  1092. 

  1093. <p>Returns yaw value of euler angles expressed in radians. </p>
    1094. 

  1094. <dl class="tparams"><dt>Template Parameters</dt><dd>
    1095. 

  1095.   <table class="tparams">
    1096. 

  1096.     <tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
    1097. 

  1097.   </table>
    1098. 

  1098.   </dd>
    1099. 

  1099. </dl>
    1100. 

  1100. <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00174.html" title="Defines a templated quaternion type and several quaternion operations. ">GLM_GTC_quaternion</a> </dd></dl>
    1101. 

  1101. 

  1102. </div>
    1103. 

  1103. </div>
    1104. 

  1104. </div><!-- contents -->
    1105. 

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    1106. 

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  1109. </a> 1.8.10
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  1110. </small></address>
    1111. 

  1111. </body>
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  1112. </html>
    1113.