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<a href="#func-members">Functions</a> </div>
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<div class="title">GLM_EXT_quaternion_common<div class="ingroups"><a class="el" href="a00894.html">Stable extensions</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#ga5b646f1cd4422eb76ab90496bcd0b60a">conjugate</a> (qua< T, Q > const &q)</td></tr>
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<tr class="memdesc:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="mdescLeft"> </td><td class="mdescRight">Returns the q conjugate. <a href="a00847.html#ga5b646f1cd4422eb76ab90496bcd0b60a">More...</a><br /></td></tr>
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<tr class="separator:ga5b646f1cd4422eb76ab90496bcd0b60a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga50db49335150de11562052667537e517"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga50db49335150de11562052667537e517"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#ga50db49335150de11562052667537e517">inverse</a> (qua< T, Q > const &q)</td></tr>
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<tr class="memdesc:ga50db49335150de11562052667537e517"><td class="mdescLeft"> </td><td class="mdescRight">Returns the q inverse. <a href="a00847.html#ga50db49335150de11562052667537e517">More...</a><br /></td></tr>
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<tr class="separator:ga50db49335150de11562052667537e517"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga45722741ea266b4e861938b365c5f362"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#ga45722741ea266b4e861938b365c5f362">isinf</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memdesc:ga45722741ea266b4e861938b365c5f362"><td class="mdescLeft"> </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="a00847.html#ga45722741ea266b4e861938b365c5f362">More...</a><br /></td></tr>
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<tr class="separator:ga45722741ea266b4e861938b365c5f362"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga1bb55f8963616502e96dc564384d8a03"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#ga1bb55f8963616502e96dc564384d8a03">isnan</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memdesc:ga1bb55f8963616502e96dc564384d8a03"><td class="mdescLeft"> </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="a00847.html#ga1bb55f8963616502e96dc564384d8a03">More...</a><br /></td></tr>
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<tr class="separator:ga1bb55f8963616502e96dc564384d8a03"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaacd3d0591852faa4bc291b61da88ad44"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gaacd3d0591852faa4bc291b61da88ad44"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL GLM_CONSTEXPR qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#gaacd3d0591852faa4bc291b61da88ad44">lerp</a> (qua< T, Q > const &x, qua< T, Q > const &y, T a)</td></tr>
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<tr class="memdesc:gaacd3d0591852faa4bc291b61da88ad44"><td class="mdescLeft"> </td><td class="mdescRight">Linear interpolation of two quaternions. <a href="a00847.html#gaacd3d0591852faa4bc291b61da88ad44">More...</a><br /></td></tr>
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<tr class="separator:gaacd3d0591852faa4bc291b61da88ad44"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#gafbfe587b8da11fb89a30c3d67dd5ccc2">mix</a> (qua< T, Q > const &x, qua< T, Q > const &y, T a)</td></tr>
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<tr class="memdesc:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="mdescLeft"> </td><td class="mdescRight">Spherical linear interpolation of two quaternions. <a href="a00847.html#gafbfe587b8da11fb89a30c3d67dd5ccc2">More...</a><br /></td></tr>
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<tr class="separator:gafbfe587b8da11fb89a30c3d67dd5ccc2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gae7fc3c945be366b9942b842f55da428a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#gae7fc3c945be366b9942b842f55da428a">slerp</a> (qua< T, Q > const &x, qua< T, Q > const &y, T a)</td></tr>
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<tr class="memdesc:gae7fc3c945be366b9942b842f55da428a"><td class="mdescLeft"> </td><td class="mdescRight">Spherical linear interpolation of two quaternions. <a href="a00847.html#gae7fc3c945be366b9942b842f55da428a">More...</a><br /></td></tr>
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<tr class="separator:gae7fc3c945be366b9942b842f55da428a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8514da9c52cfee86f716cc0933ce118a"><td class="memTemplParams" colspan="2">template<typename T , typename S , qualifier Q> </td></tr>
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<tr class="memitem:ga8514da9c52cfee86f716cc0933ce118a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00847.html#ga8514da9c52cfee86f716cc0933ce118a">slerp</a> (qua< T, Q > const &x, qua< T, Q > const &y, T a, S k)</td></tr>
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<tr class="memdesc:ga8514da9c52cfee86f716cc0933ce118a"><td class="mdescLeft"> </td><td class="mdescRight">Spherical linear interpolation of two quaternions with multiple spins over rotation axis. <a href="a00847.html#ga8514da9c52cfee86f716cc0933ce118a">More...</a><br /></td></tr>
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<tr class="separator:ga8514da9c52cfee86f716cc0933ce118a"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Provides common functions for quaternion types</p>
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<p>Include <<a class="el" href="a00323.html" title="GLM_EXT_quaternion_common">glm/ext/quaternion_common.hpp</a>> to use the features of this extension.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00857.html">GLM_EXT_scalar_common</a> </dd>
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<dd>
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<a class="el" href="a00868.html">GLM_EXT_vector_common</a> </dd>
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<dd>
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<a class="el" href="a00851.html">GLM_EXT_quaternion_float</a> </dd>
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<dd>
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<a class="el" href="a00848.html">GLM_EXT_quaternion_double</a> </dd>
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<dd>
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<a class="el" href="a00850.html">GLM_EXT_quaternion_exponential</a> </dd>
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<dd>
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<a class="el" href="a00853.html">GLM_EXT_quaternion_geometric</a> </dd>
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<dd>
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<a class="el" href="a00854.html">GLM_EXT_quaternion_relational</a> </dd>
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<dd>
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<a class="el" href="a00856.html">GLM_EXT_quaternion_trigonometric</a> </dd>
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<dd>
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<a class="el" href="a00855.html">GLM_EXT_quaternion_transform</a> </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga5b646f1cd4422eb76ab90496bcd0b60a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5b646f1cd4422eb76ab90496bcd0b60a">◆ </a></span>conjugate()</h2>
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<td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR qua<T, Q> glm::conjugate </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>q</em></td><td>)</td>
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<p>Returns the q conjugate. </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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<a id="ga50db49335150de11562052667537e517"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga50db49335150de11562052667537e517">◆ </a></span>inverse()</h2>
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<td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR qua<T, Q> glm::inverse </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>q</em></td><td>)</td>
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<td></td>
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<p>Returns the q inverse. </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga45722741ea266b4e861938b365c5f362"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga45722741ea266b4e861938b365c5f362">◆ </a></span>isinf()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::isinf </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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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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<p>Returns false otherwise, including for implementations with no infinity representations.</p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a id="ga1bb55f8963616502e96dc564384d8a03"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1bb55f8963616502e96dc564384d8a03">◆ </a></span>isnan()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::isnan </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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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>
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<p>Returns false otherwise, including for implementations with no NaN representations.</p>
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<p>/!\ When using compiler fast math, this function may fail.</p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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</dd>
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</dl>
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<a id="gaacd3d0591852faa4bc291b61da88ad44"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaacd3d0591852faa4bc291b61da88ad44">◆ </a></span>lerp()</h2>
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<td class="memname">GLM_FUNC_DECL GLM_CONSTEXPR qua<T, Q> glm::lerp </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>y</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">T </td>
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<td>)</td>
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<p>Linear interpolation of two quaternions. </p>
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<p>The interpolation is oriented.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>A quaternion </td></tr>
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<tr><td class="paramname">y</td><td>A quaternion </td></tr>
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<tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined in the range [0, 1].</td></tr>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<a id="gafbfe587b8da11fb89a30c3d67dd5ccc2"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gafbfe587b8da11fb89a30c3d67dd5ccc2">◆ </a></span>mix()</h2>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::mix </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>y</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">T </td>
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<td class="paramname"><em>a</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Spherical linear interpolation of two quaternions. </p>
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<p>The interpolation is oriented and the rotation is performed at constant speed. For short path spherical linear interpolation, use the slerp function.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>A quaternion </td></tr>
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<tr><td class="paramname">y</td><td>A quaternion </td></tr>
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<tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd>- slerp(qua<T, Q> const& x, qua<T, Q> const& y, T const& a) </dd></dl>
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</div>
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<a id="gae7fc3c945be366b9942b842f55da428a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gae7fc3c945be366b9942b842f55da428a">◆ </a></span>slerp() <span class="overload">[1/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::slerp </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>y</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">T </td>
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<td class="paramname"><em>a</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Spherical linear interpolation of two quaternions. </p>
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<p>The interpolation always take the short path and the rotation is performed at constant speed.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>A quaternion </td></tr>
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<tr><td class="paramname">y</td><td>A quaternion </td></tr>
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<tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1].</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga8514da9c52cfee86f716cc0933ce118a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8514da9c52cfee86f716cc0933ce118a">◆ </a></span>slerp() <span class="overload">[2/2]</span></h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::slerp </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td class="paramname"><em>y</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">T </td>
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<td class="paramname"><em>a</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">S </td>
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<td class="paramname"><em>k</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Spherical linear interpolation of two quaternions with multiple spins over rotation axis. </p>
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<p>The interpolation always take the short path when the spin count is positive and long path when count is negative. Rotation is performed at constant speed.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>A quaternion </td></tr>
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<tr><td class="paramname">y</td><td>A quaternion </td></tr>
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<tr><td class="paramname">a</td><td>Interpolation factor. The interpolation is defined beyond the range [0, 1]. </td></tr>
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<tr><td class="paramname">k</td><td>Additional spin count. If Value is negative interpolation will be on "long" path.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td>A floating-point scalar type </td></tr>
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<tr><td class="paramname">S</td><td>An integer scalar type </td></tr>
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<tr><td class="paramname">Q</td><td>A value from qualifier enum </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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