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<a href="#func-members">Functions</a> </div>
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<div class="title">GLM_GTC_quaternion<div class="ingroups"><a class="el" href="a00704.html">Recommended extensions</a></div></div> </div>
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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:gaf4dd967dead22dd932fc7460ceecb03f"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gaf4dd967dead22dd932fc7460ceecb03f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 3, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#gaf4dd967dead22dd932fc7460ceecb03f">eulerAngles</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memitem:ga8f7fa76e06c417b757ddfd438f3f677b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga8f7fa76e06c417b757ddfd438f3f677b">greaterThan</a> (qua< T, Q > const &x, qua< T, Q > const &y)</td></tr>
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<tr class="memitem:ga388cbeba987dae7b5937f742efa49a5a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga388cbeba987dae7b5937f742efa49a5a">greaterThanEqual</a> (qua< T, Q > const &x, qua< T, Q > const &y)</td></tr>
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<tr class="memitem:gad091a2d22c8acfebfa92bcfca1dfe9c4"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gad091a2d22c8acfebfa92bcfca1dfe9c4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#gad091a2d22c8acfebfa92bcfca1dfe9c4">lessThan</a> (qua< T, Q > const &x, qua< T, Q > const &y)</td></tr>
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<tr class="memitem:gac00012eea281800d2403f4ea8443134d"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gac00012eea281800d2403f4ea8443134d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 4, bool, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#gac00012eea281800d2403f4ea8443134d">lessThanEqual</a> (qua< T, Q > const &x, qua< T, Q > const &y)</td></tr>
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<tr class="memitem:ga333ab70047fbe4132406100c292dbc89"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat< 3, 3, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga333ab70047fbe4132406100c292dbc89">mat3_cast</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memitem:ga1113212d9bdefc2e31ad40e5bbb506f3"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat< 4, 4, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga1113212d9bdefc2e31ad40e5bbb506f3">mat4_cast</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memitem:ga7603e81477b46ddb448896909bc04928"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga7603e81477b46ddb448896909bc04928">pitch</a> (qua< T, Q > const &x)</td></tr>
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<tr class="memitem:ga1108a4ab88ca87bac321454eea7702f8"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga1108a4ab88ca87bac321454eea7702f8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga1108a4ab88ca87bac321454eea7702f8">quat_cast</a> (mat< 3, 3, T, Q > const &x)</td></tr>
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<tr class="memitem:ga4524810f07f72e8c7bdc7764fa11cb58"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga4524810f07f72e8c7bdc7764fa11cb58"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga4524810f07f72e8c7bdc7764fa11cb58">quat_cast</a> (mat< 4, 4, T, Q > const &x)</td></tr>
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<tr class="memitem:gabe7fc5ec5feb41ab234d5d2b6254697f"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gabe7fc5ec5feb41ab234d5d2b6254697f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#gabe7fc5ec5feb41ab234d5d2b6254697f">quatLookAt</a> (vec< 3, T, Q > const &direction, vec< 3, T, Q > const &up)</td></tr>
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<tr class="memitem:ga2da350c73411be3bb19441b226b81a74"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga2da350c73411be3bb19441b226b81a74"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga2da350c73411be3bb19441b226b81a74">quatLookAtLH</a> (vec< 3, T, Q > const &direction, vec< 3, T, Q > const &up)</td></tr>
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<tr class="memitem:gaf6529ac8c04a57fcc35865b5c9437cc8"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:gaf6529ac8c04a57fcc35865b5c9437cc8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL qua< T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#gaf6529ac8c04a57fcc35865b5c9437cc8">quatLookAtRH</a> (vec< 3, T, Q > const &direction, vec< 3, T, Q > const &up)</td></tr>
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<tr class="memitem:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga0cc5ad970d0b00829b139fe0fe5a1e13">roll</a> (qua< T, Q > const &x)</td></tr>
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<tr class="separator:ga0cc5ad970d0b00829b139fe0fe5a1e13"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8da38cdfdc452dafa660c2f46506bad5"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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<tr class="memitem:ga8da38cdfdc452dafa660c2f46506bad5"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00663.html#ga8da38cdfdc452dafa660c2f46506bad5">yaw</a> (qua< T, Q > const &x)</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>Include <<a class="el" href="a01370.html" title="GLM_GTC_quaternion ">glm/gtc/quaternion.hpp</a>> to use the features of this extension. </p>
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<p>Defines a templated quaternion type and several quaternion operations. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gaf4dd967dead22dd932fc7460ceecb03f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf4dd967dead22dd932fc7460ceecb03f">◆ </a></span>eulerAngles()</h2>
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<td class="memname">GLM_FUNC_DECL vec<3, T, Q> glm::eulerAngles </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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<p>Returns euler angles, pitch as x, yaw as y, roll as z. </p>
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<p>The result is expressed in radians.</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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<a id="ga8f7fa76e06c417b757ddfd438f3f677b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8f7fa76e06c417b757ddfd438f3f677b">◆ </a></span>greaterThan()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::greaterThan </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></td>
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<td>)</td>
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<p>Returns the component-wise comparison of result x > y. </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>Floating-point scalar types </td></tr>
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<tr><td class="paramname">Q</td><td>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><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></dl>
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<a id="ga388cbeba987dae7b5937f742efa49a5a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga388cbeba987dae7b5937f742efa49a5a">◆ </a></span>greaterThanEqual()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::greaterThanEqual </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<td></td>
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<td>)</td>
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<p>Returns the component-wise comparison of result x >= y. </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">T</td><td>Floating-point scalar types </td></tr>
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<dl class="section see"><dt>See also</dt><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></dl>
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<a id="gad091a2d22c8acfebfa92bcfca1dfe9c4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gad091a2d22c8acfebfa92bcfca1dfe9c4">◆ </a></span>lessThan()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::lessThan </td>
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<td>(</td>
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<td class="paramtype">qua< T, Q > const & </td>
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<p>Returns the component-wise comparison result of x < y. </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>Floating-point scalar types </td></tr>
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<tr><td class="paramname">Q</td><td>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><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></dl>
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<a id="gac00012eea281800d2403f4ea8443134d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gac00012eea281800d2403f4ea8443134d">◆ </a></span>lessThanEqual()</h2>
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<td class="memname">GLM_FUNC_DECL vec<4, bool, Q> glm::lessThanEqual </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></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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<p>Returns the component-wise comparison of result x <= y. </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>Floating-point scalar types </td></tr>
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<tr><td class="paramname">Q</td><td>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><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></dl>
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<a id="ga333ab70047fbe4132406100c292dbc89"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga333ab70047fbe4132406100c292dbc89">◆ </a></span>mat3_cast()</h2>
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<div class="memitem">
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<td class="memname">GLM_FUNC_DECL mat<3, 3, T, Q> glm::mat3_cast </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>Converts a quaternion to a 3 * 3 matrix. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<p class="reference">Referenced by <a class="el" href="a01373_source.html#l00113">glm::toMat3()</a>.</p>
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<a id="ga1113212d9bdefc2e31ad40e5bbb506f3"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1113212d9bdefc2e31ad40e5bbb506f3">◆ </a></span>mat4_cast()</h2>
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<td class="memname">GLM_FUNC_DECL mat<4, 4, T, Q> glm::mat4_cast </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>Converts a quaternion to a 4 * 4 matrix. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<p class="reference">Referenced by <a class="el" href="a01373_source.html#l00120">glm::toMat4()</a>.</p>
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</div>
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<a id="ga7603e81477b46ddb448896909bc04928"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7603e81477b46ddb448896909bc04928">◆ </a></span>pitch()</h2>
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<td class="memname">GLM_FUNC_DECL T glm::pitch </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 pitch value of euler angles expressed in radians. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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</div>
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<a id="ga1108a4ab88ca87bac321454eea7702f8"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1108a4ab88ca87bac321454eea7702f8">◆ </a></span>quat_cast() <span class="overload">[1/2]</span></h2>
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<div class="memitem">
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::quat_cast </td>
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<td>(</td>
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<td class="paramtype">mat< 3, 3, 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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</table>
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</div><div class="memdoc">
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<p>Converts a pure rotation 3 * 3 matrix to a quaternion. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<p class="reference">Referenced by <a class="el" href="a01373_source.html#l00127">glm::toQuat()</a>.</p>
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<a id="ga4524810f07f72e8c7bdc7764fa11cb58"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga4524810f07f72e8c7bdc7764fa11cb58">◆ </a></span>quat_cast() <span class="overload">[2/2]</span></h2>
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<div class="memitem">
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::quat_cast </td>
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<td>(</td>
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<td class="paramtype">mat< 4, 4, 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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</div><div class="memdoc">
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<p>Converts a pure rotation 4 * 4 matrix to a quaternion. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<a id="gabe7fc5ec5feb41ab234d5d2b6254697f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gabe7fc5ec5feb41ab234d5d2b6254697f">◆ </a></span>quatLookAt()</h2>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::quatLookAt </td>
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<td>(</td>
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<td class="paramtype">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>direction</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">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>up</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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<p>Build a look at quaternion based on the default handedness. </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">direction</td><td>Desired forward direction. Needs to be normalized. </td></tr>
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<tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga2da350c73411be3bb19441b226b81a74"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2da350c73411be3bb19441b226b81a74">◆ </a></span>quatLookAtLH()</h2>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::quatLookAtLH </td>
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<td>(</td>
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<td class="paramtype">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>direction</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">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>up</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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</div><div class="memdoc">
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<p>Build a left-handed look at quaternion. </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">direction</td><td>Desired forward direction onto which the +z-axis gets mapped. Needs to be normalized. </td></tr>
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<tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </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="gaf6529ac8c04a57fcc35865b5c9437cc8"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf6529ac8c04a57fcc35865b5c9437cc8">◆ </a></span>quatLookAtRH()</h2>
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<td class="memname">GLM_FUNC_DECL qua<T, Q> glm::quatLookAtRH </td>
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<td>(</td>
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<td class="paramtype">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>direction</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">vec< 3, T, Q > const & </td>
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<td class="paramname"><em>up</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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<p>Build a right-handed look at quaternion. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
|
<tr><td class="paramname">direction</td><td>Desired forward direction onto which the -z-axis gets mapped. Needs to be normalized. </td></tr>
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|
<tr><td class="paramname">up</td><td>Up vector, how the camera is oriented. Typically (0, 1, 0). </td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga0cc5ad970d0b00829b139fe0fe5a1e13"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0cc5ad970d0b00829b139fe0fe5a1e13">◆ </a></span>roll()</h2>
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<td class="memname">GLM_FUNC_DECL T glm::roll </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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<p>Returns roll value of euler angles expressed in radians. </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>Floating-point scalar types.</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><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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<a id="ga8da38cdfdc452dafa660c2f46506bad5"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8da38cdfdc452dafa660c2f46506bad5">◆ </a></span>yaw()</h2>
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<td class="memname">GLM_FUNC_DECL T glm::yaw </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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</div><div class="memdoc">
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<p>Returns yaw value of euler angles expressed in radians. </p>
|
|
<dl class="tparams"><dt>Template Parameters</dt><dd>
|
|
<table class="tparams">
|
|
<tr><td class="paramname">T</td><td>Floating-point scalar types.</td></tr>
|
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</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00663.html" title="Include <glm/gtc/quaternion.hpp> to use the features of this extension. ">GLM_GTC_quaternion</a> </dd></dl>
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