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<div class="title">GLM_EXT_quaternion_common<div class="ingroups"><a class="el" href="a00703.html">Stable extensions</a></div></div> </div>
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Functions</h2></td></tr>
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<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>
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<p>Returns the q conjugate. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gab41da854ae678e23e114b598cbca4065">&#9670;&nbsp;</a></span>inverse()</h2>
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<p>Returns the q inverse. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
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<h2 class="memtitle"><span class="permalink"><a href="#ga45722741ea266b4e861938b365c5f362">&#9670;&nbsp;</a></span>isinf()</h2>
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<p>Returns true if x holds a positive infinity or negative infinity representation in the underlying implementation's set of floating point representations. </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1bb55f8963616502e96dc564384d8a03">&#9670;&nbsp;</a></span>isnan()</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6033dc0741051fa463a0a147ba29f293">&#9670;&nbsp;</a></span>lerp()</h2>
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<p>Linear interpolation of two quaternions. </p>
<p>The interpolation is oriented.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">x</td><td>A quaternion </td></tr>
<tr><td class="paramname">y</td><td>A quaternion </td></tr>
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</dd>
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<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>
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<a id="gafbfe587b8da11fb89a30c3d67dd5ccc2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gafbfe587b8da11fb89a30c3d67dd5ccc2">&#9670;&nbsp;</a></span>mix()</h2>
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<td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::mix </td>
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<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>
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</dd>
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<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>
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</dd>
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<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>
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<a id="gae7fc3c945be366b9942b842f55da428a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gae7fc3c945be366b9942b842f55da428a">&#9670;&nbsp;</a></span>slerp()</h2>
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<td class="memname">GLM_FUNC_DECL qua&lt;T, Q&gt; glm::slerp </td>
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<td class="paramname"><em>x</em>, </td>
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<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>
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</dd>
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<table class="tparams">
<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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