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<div class="header">  <div class="summary"><a href="#func-members">Functions</a>  </div>  <div class="headertitle"><div class="title">GLM_EXT_quaternion_common<div class="ingroups"><a class="el" href="a00703.html">Stable extensions</a></div></div>  </div></div><!--header--><div class="contents"><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>Functions</h2></td></tr><tr class="memitem:ga10d7bda73201788ac2ab28cd8d0d409b"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga10d7bda73201788ac2ab28cd8d0d409b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#ga10d7bda73201788ac2ab28cd8d0d409b">conjugate</a> (qua&lt; T, Q &gt; const &amp;q)</td></tr><tr class="separator:ga10d7bda73201788ac2ab28cd8d0d409b"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:gab41da854ae678e23e114b598cbca4065"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:gab41da854ae678e23e114b598cbca4065"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#gab41da854ae678e23e114b598cbca4065">inverse</a> (qua&lt; T, Q &gt; const &amp;q)</td></tr><tr class="separator:gab41da854ae678e23e114b598cbca4065"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#ga45722741ea266b4e861938b365c5f362">isinf</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr><tr class="separator:ga45722741ea266b4e861938b365c5f362"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 4, bool, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#ga1bb55f8963616502e96dc564384d8a03">isnan</a> (qua&lt; T, Q &gt; const &amp;x)</td></tr><tr class="separator:ga1bb55f8963616502e96dc564384d8a03"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:ga6033dc0741051fa463a0a147ba29f293"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:ga6033dc0741051fa463a0a147ba29f293"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#ga6033dc0741051fa463a0a147ba29f293">lerp</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr><tr class="separator:ga6033dc0741051fa463a0a147ba29f293"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#gafbfe587b8da11fb89a30c3d67dd5ccc2">mix</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr><tr class="separator:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memSeparator" colspan="2">&#160;</td></tr><tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr><tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua&lt; T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00669.html#gae7fc3c945be366b9942b842f55da428a">slerp</a> (qua&lt; T, Q &gt; const &amp;x, qua&lt; T, Q &gt; const &amp;y, T a)</td></tr><tr class="separator:gae7fc3c945be366b9942b842f55da428a"><td class="memSeparator" colspan="2">&#160;</td></tr></table><a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2><p>Provides common functions for quaternion types. </p><p>Include &lt;<a class="el" href="a00203.html" title="GLM_EXT_quaternion_common ">glm/ext/quaternion_common.hpp</a>&gt; to use the features of this extension.</p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00679.html" title="Exposes min and max functions for 3 to 4 scalar parameters. ">GLM_EXT_scalar_common</a> </dd><dd><a class="el" href="a00687.html" title="Exposes min and max functions for 3 to 4 vector parameters. ">GLM_EXT_vector_common</a> </dd><dd><a class="el" href="a00673.html" title="Exposes single-precision floating point quaternion type. ">GLM_EXT_quaternion_float</a> </dd><dd><a class="el" href="a00670.html" title="Exposes double-precision floating point quaternion type. ">GLM_EXT_quaternion_double</a> </dd><dd><a class="el" href="a00672.html" title="Provides exponential functions for quaternion types. ">GLM_EXT_quaternion_exponential</a> </dd><dd><a class="el" href="a00675.html" title="Provides geometric functions for quaternion types. ">GLM_EXT_quaternion_geometric</a> </dd><dd><a class="el" href="a00676.html" title="Exposes comparison functions for quaternion types that take a user defined epsilon values...">GLM_EXT_quaternion_relational</a> </dd><dd><a class="el" href="a00678.html" title="Provides trigonometric functions for quaternion types. ">GLM_EXT_quaternion_trigonometric</a> </dd><dd><a class="el" href="a00677.html" title="Provides transformation functions for quaternion types. ">GLM_EXT_quaternion_transform</a> </dd></dl><h2 class="groupheader">Function Documentation</h2><a id="ga10d7bda73201788ac2ab28cd8d0d409b"></a><h2 class="memtitle"><span class="permalink"><a href="#ga10d7bda73201788ac2ab28cd8d0d409b">&#9670;&nbsp;</a></span>conjugate()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::conjugate </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>q</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns the q conjugate. </p><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
</div></div><a id="gab41da854ae678e23e114b598cbca4065"></a><h2 class="memtitle"><span class="permalink"><a href="#gab41da854ae678e23e114b598cbca4065">&#9670;&nbsp;</a></span>inverse()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::inverse </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>q</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns the q inverse. </p><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
</div></div><a id="ga45722741ea266b4e861938b365c5f362"></a><h2 class="memtitle"><span class="permalink"><a href="#ga45722741ea266b4e861938b365c5f362">&#9670;&nbsp;</a></span>isinf()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, Q&gt; glm::isinf </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations. </p><p>Returns false otherwise, including for implementations with no infinity representations.</p><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
</div></div><a id="ga1bb55f8963616502e96dc564384d8a03"></a><h2 class="memtitle"><span class="permalink"><a href="#ga1bb55f8963616502e96dc564384d8a03">&#9670;&nbsp;</a></span>isnan()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL vec&lt;4, bool, Q&gt; glm::isnan </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em></td><td>)</td>          <td></td>        </tr>      </table></div><div class="memdoc">
<p>Returns true if x holds a NaN (not a number) representation in the underlying implementation's set of floating point representations. </p><p>Returns false otherwise, including for implementations with no NaN representations.</p><p>/!\ When using compiler fast math, this function may fail.</p><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
</div></div><a id="ga6033dc0741051fa463a0a147ba29f293"></a><h2 class="memtitle"><span class="permalink"><a href="#ga6033dc0741051fa463a0a147ba29f293">&#9670;&nbsp;</a></span>lerp()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::lerp </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>y</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">T&#160;</td>          <td class="paramname"><em>a</em>&#160;</td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc">
<p>Linear interpolation of two quaternions. </p><p>The interpolation is oriented.</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramname">x</td><td>A quaternion </td></tr>    <tr><td class="paramname">y</td><td>A quaternion </td></tr>    <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined in the range [0, 1].</td></tr>  </table>  </dd></dl><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
</div></div><a id="gafbfe587b8da11fb89a30c3d67dd5ccc2"></a><h2 class="memtitle"><span class="permalink"><a href="#gafbfe587b8da11fb89a30c3d67dd5ccc2">&#9670;&nbsp;</a></span>mix()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::mix </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>y</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">T&#160;</td>          <td class="paramname"><em>a</em>&#160;</td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc">
<p>Spherical linear interpolation of two quaternions. </p><p>The interpolation is oriented and the rotation is performed at constant speed. For short path spherical linear interpolation, use the slerp function.</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramname">x</td><td>A quaternion </td></tr>    <tr><td class="paramname">y</td><td>A quaternion </td></tr>    <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>  </table>  </dd></dl><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum</td></tr>  </table>  </dd></dl><dl class="section see"><dt>See also</dt><dd>- slerp(qua&lt;T, Q&gt; const&amp; x, qua&lt;T, Q&gt; const&amp; y, T const&amp; a) </dd></dl>
</div></div><a id="gae7fc3c945be366b9942b842f55da428a"></a><h2 class="memtitle"><span class="permalink"><a href="#gae7fc3c945be366b9942b842f55da428a">&#9670;&nbsp;</a></span>slerp()</h2>
<div class="memitem"><div class="memproto">      <table class="memname">        <tr>          <td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::slerp </td>          <td>(</td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>x</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">qua&lt; T, Q &gt; const &amp;&#160;</td>          <td class="paramname"><em>y</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">T&#160;</td>          <td class="paramname"><em>a</em>&#160;</td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table></div><div class="memdoc">
<p>Spherical linear interpolation of two quaternions. </p><p>The interpolation always take the short path and the rotation is performed at constant speed.</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramname">x</td><td>A quaternion </td></tr>    <tr><td class="paramname">y</td><td>A quaternion </td></tr>    <tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>  </table>  </dd></dl><dl class="tparams"><dt>Template Parameters</dt><dd>  <table class="tparams">    <tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>    <tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>  </table>  </dd></dl>
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