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Christophe Riccio
2017-08-17 19:53:21 +02:00
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<title>0.9.9 API documenation: GLM_GTX_fast_trigonometry</title>
<title>0.9.9 API documenation: GLM_GTX_matrix_operation</title>
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<div class="summary">
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">GLM_GTX_fast_trigonometry<div class="ingroups"><a class="el" href="a00157.html">GTX Extensions (Experimental)</a></div></div> </div>
<div class="title">GLM_GTX_matrix_operation<div class="ingroups"><a class="el" href="a00148.html">Experimental extensions</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>Fast but less accurate implementations of trigonometric functions.
<p>Include &lt;<a class="el" href="a00064.html" title="GLM_GTX_matrix_operation ">glm/gtx/matrix_operation.hpp</a>&gt; to use the features of this extension.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga9721d63356e5d94fdc4b393a426ab26b"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga9721d63356e5d94fdc4b393a426ab26b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga9721d63356e5d94fdc4b393a426ab26b">fastAcos</a> (T angle)</td></tr>
<tr class="memdesc:ga9721d63356e5d94fdc4b393a426ab26b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common acos function but less accurate. <a href="a00199.html#ga9721d63356e5d94fdc4b393a426ab26b">More...</a><br /></td></tr>
<tr class="separator:ga9721d63356e5d94fdc4b393a426ab26b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga562cb62c51fbfe7fac7db0bce706b81f"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga562cb62c51fbfe7fac7db0bce706b81f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga562cb62c51fbfe7fac7db0bce706b81f">fastAsin</a> (T angle)</td></tr>
<tr class="memdesc:ga562cb62c51fbfe7fac7db0bce706b81f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common asin function but less accurate. <a href="a00199.html#ga562cb62c51fbfe7fac7db0bce706b81f">More...</a><br /></td></tr>
<tr class="separator:ga562cb62c51fbfe7fac7db0bce706b81f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8d197c6ef564f5e5d59af3b3f8adcc2c"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga8d197c6ef564f5e5d59af3b3f8adcc2c"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga8d197c6ef564f5e5d59af3b3f8adcc2c">fastAtan</a> (T y, T x)</td></tr>
<tr class="memdesc:ga8d197c6ef564f5e5d59af3b3f8adcc2c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common atan function but less accurate. <a href="a00199.html#ga8d197c6ef564f5e5d59af3b3f8adcc2c">More...</a><br /></td></tr>
<tr class="separator:ga8d197c6ef564f5e5d59af3b3f8adcc2c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae25de86a968490ff56856fa425ec9d30"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:gae25de86a968490ff56856fa425ec9d30"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gae25de86a968490ff56856fa425ec9d30">fastAtan</a> (T angle)</td></tr>
<tr class="memdesc:gae25de86a968490ff56856fa425ec9d30"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common atan function but less accurate. <a href="a00199.html#gae25de86a968490ff56856fa425ec9d30">More...</a><br /></td></tr>
<tr class="separator:gae25de86a968490ff56856fa425ec9d30"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab34c8b45c23c0165a64dcecfcc3b302a"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:gab34c8b45c23c0165a64dcecfcc3b302a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gab34c8b45c23c0165a64dcecfcc3b302a">fastCos</a> (T angle)</td></tr>
<tr class="memdesc:gab34c8b45c23c0165a64dcecfcc3b302a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common cos function but less accurate. <a href="a00199.html#gab34c8b45c23c0165a64dcecfcc3b302a">More...</a><br /></td></tr>
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<tr class="memitem:ga0aab3257bb3b628d10a1e0483e2c6915"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga0aab3257bb3b628d10a1e0483e2c6915"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga0aab3257bb3b628d10a1e0483e2c6915">fastSin</a> (T angle)</td></tr>
<tr class="memdesc:ga0aab3257bb3b628d10a1e0483e2c6915"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common sin function but less accurate. <a href="a00199.html#ga0aab3257bb3b628d10a1e0483e2c6915">More...</a><br /></td></tr>
<tr class="separator:ga0aab3257bb3b628d10a1e0483e2c6915"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf29b9c1101a10007b4f79ee89df27ba2"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:gaf29b9c1101a10007b4f79ee89df27ba2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gaf29b9c1101a10007b4f79ee89df27ba2">fastTan</a> (T angle)</td></tr>
<tr class="memdesc:gaf29b9c1101a10007b4f79ee89df27ba2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Faster than the common tan function but less accurate. <a href="a00199.html#gaf29b9c1101a10007b4f79ee89df27ba2">More...</a><br /></td></tr>
<tr class="separator:gaf29b9c1101a10007b4f79ee89df27ba2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:ga069527c6dbd64f53435b8ebc4878b473"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga069527c6dbd64f53435b8ebc4878b473">wrapAngle</a> (T angle)</td></tr>
<tr class="memdesc:ga069527c6dbd64f53435b8ebc4878b473"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wrap an angle to [0 2pi[ From GLM_GTX_fast_trigonometry extension. <a href="a00199.html#ga069527c6dbd64f53435b8ebc4878b473">More...</a><br /></td></tr>
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<tr class="memitem:ga58a32a2beeb2478dae2a721368cdd4ac"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 2, 2, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga58a32a2beeb2478dae2a721368cdd4ac">diagonal2x2</a> (vec&lt; 2, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:ga58a32a2beeb2478dae2a721368cdd4ac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#ga58a32a2beeb2478dae2a721368cdd4ac">More...</a><br /></td></tr>
<tr class="separator:ga58a32a2beeb2478dae2a721368cdd4ac"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:gab69f900206a430e2875a5a073851e175"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 2, 3, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gab69f900206a430e2875a5a073851e175">diagonal2x3</a> (vec&lt; 2, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:gab69f900206a430e2875a5a073851e175"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#gab69f900206a430e2875a5a073851e175">More...</a><br /></td></tr>
<tr class="separator:gab69f900206a430e2875a5a073851e175"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:ga30b4dbfed60a919d66acc8a63bcdc549"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 2, 4, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga30b4dbfed60a919d66acc8a63bcdc549">diagonal2x4</a> (vec&lt; 2, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:ga30b4dbfed60a919d66acc8a63bcdc549"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#ga30b4dbfed60a919d66acc8a63bcdc549">More...</a><br /></td></tr>
<tr class="separator:ga30b4dbfed60a919d66acc8a63bcdc549"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga832c805d5130d28ad76236958d15b47d"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga832c805d5130d28ad76236958d15b47d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 3, 2, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga832c805d5130d28ad76236958d15b47d">diagonal3x2</a> (vec&lt; 2, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:ga832c805d5130d28ad76236958d15b47d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#ga832c805d5130d28ad76236958d15b47d">More...</a><br /></td></tr>
<tr class="separator:ga832c805d5130d28ad76236958d15b47d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5487ff9cdbc8e04d594adef1bcb16ee0"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga5487ff9cdbc8e04d594adef1bcb16ee0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 3, 3, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga5487ff9cdbc8e04d594adef1bcb16ee0">diagonal3x3</a> (vec&lt; 3, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:ga5487ff9cdbc8e04d594adef1bcb16ee0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#ga5487ff9cdbc8e04d594adef1bcb16ee0">More...</a><br /></td></tr>
<tr class="separator:ga5487ff9cdbc8e04d594adef1bcb16ee0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad7551139cff0c4208d27f0ad3437833e"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gad7551139cff0c4208d27f0ad3437833e"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 3, 4, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gad7551139cff0c4208d27f0ad3437833e">diagonal3x4</a> (vec&lt; 3, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:gad7551139cff0c4208d27f0ad3437833e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#gad7551139cff0c4208d27f0ad3437833e">More...</a><br /></td></tr>
<tr class="separator:gad7551139cff0c4208d27f0ad3437833e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gacb8969e6543ba775c6638161a37ac330"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gacb8969e6543ba775c6638161a37ac330"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 4, 2, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gacb8969e6543ba775c6638161a37ac330">diagonal4x2</a> (vec&lt; 2, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:gacb8969e6543ba775c6638161a37ac330"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#gacb8969e6543ba775c6638161a37ac330">More...</a><br /></td></tr>
<tr class="separator:gacb8969e6543ba775c6638161a37ac330"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae235def5049d6740f0028433f5e13f90"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gae235def5049d6740f0028433f5e13f90"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 4, 3, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#gae235def5049d6740f0028433f5e13f90">diagonal4x3</a> (vec&lt; 3, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:gae235def5049d6740f0028433f5e13f90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#gae235def5049d6740f0028433f5e13f90">More...</a><br /></td></tr>
<tr class="separator:gae235def5049d6740f0028433f5e13f90"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0b4cd8dea436791b072356231ee8578f"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga0b4cd8dea436791b072356231ee8578f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL mat&lt; 4, 4, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00199.html#ga0b4cd8dea436791b072356231ee8578f">diagonal4x4</a> (vec&lt; 4, T, Q &gt; const &amp;v)</td></tr>
<tr class="memdesc:ga0b4cd8dea436791b072356231ee8578f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build a diagonal matrix. <a href="a00199.html#ga0b4cd8dea436791b072356231ee8578f">More...</a><br /></td></tr>
<tr class="separator:ga0b4cd8dea436791b072356231ee8578f"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Fast but less accurate implementations of trigonometric functions. </p>
<p>&lt;<a class="el" href="a00031.html" title="GLM_GTX_fast_trigonometry ">glm/gtx/fast_trigonometry.hpp</a>&gt; need to be included to use these functionalities. </p>
<p>Include &lt;<a class="el" href="a00064.html" title="GLM_GTX_matrix_operation ">glm/gtx/matrix_operation.hpp</a>&gt; to use the features of this extension. </p>
<p>Build diagonal matrices from vectors. </p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">GLM_FUNC_DECL T glm::fastAcos </td>
<td class="memname">GLM_FUNC_DECL mat&lt;2, 2, T, Q&gt; glm::diagonal2x2 </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common acos function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::fastAsin </td>
<td class="memname">GLM_FUNC_DECL mat&lt;2, 3, T, Q&gt; glm::diagonal2x3 </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common asin function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::fastAtan </td>
<td class="memname">GLM_FUNC_DECL mat&lt;2, 4, T, Q&gt; glm::diagonal2x4 </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>y</em>, </td>
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<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
</div>
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<td class="memname">GLM_FUNC_DECL T glm::fastAtan </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::fastCos </td>
<td class="memname">GLM_FUNC_DECL mat&lt;3, 2, T, Q&gt; glm::diagonal3x2 </td>
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<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common cos function but less accurate. </p>
<p>From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::fastSin </td>
<td class="memname">GLM_FUNC_DECL mat&lt;3, 3, T, Q&gt; glm::diagonal3x3 </td>
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<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common sin function but less accurate. </p>
<p>From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::fastTan </td>
<td class="memname">GLM_FUNC_DECL mat&lt;3, 4, T, Q&gt; glm::diagonal3x4 </td>
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<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Faster than the common tan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL T glm::wrapAngle </td>
<td class="memname">GLM_FUNC_DECL mat&lt;4, 2, T, Q&gt; glm::diagonal4x2 </td>
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<td class="paramtype">T&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Wrap an angle to [0 2pi[ From GLM_GTX_fast_trigonometry extension. </p>
<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="memname">GLM_FUNC_DECL mat&lt;4, 3, T, Q&gt; glm::diagonal4x3 </td>
<td>(</td>
<td class="paramtype">vec&lt; 3, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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<td class="paramtype">vec&lt; 4, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>v</em></td><td>)</td>
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<p>Build a diagonal matrix. </p>
<p>From GLM_GTX_matrix_operation extension. </p>
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