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Christophe Riccio
2018-05-08 13:51:58 +02:00
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<title>0.9.9 API documenation: GLM_GTC_ulp</title>
<title>0.9.9 API documenation: GLM_GTC_random</title>
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<div class="summary">
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">GLM_GTC_ulp<div class="ingroups"><a class="el" href="a00147.html">Stable extensions</a></div></div> </div>
<div class="title">GLM_GTC_random<div class="ingroups"><a class="el" href="a00153.html">Recommended extensions</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>Include &lt;<a class="el" href="a00125.html" title="GLM_GTC_ulp ">glm/gtc/ulp.hpp</a>&gt; to use the features of this extension.
<p>Include &lt;<a class="el" href="a00085.html" title="GLM_GTC_random ">glm/gtc/random.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:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL uint&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga2e09bd6c8b0a9c91f6f5683d68245634">float_distance</a> (T const &amp;x, T const &amp;y)</td></tr>
<tr class="memdesc:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the distance in the number of ULP between 2 scalars. <a href="a00167.html#ga2e09bd6c8b0a9c91f6f5683d68245634">More...</a><br /></td></tr>
<tr class="separator:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga72b3223069013f336d8c31812b7ada80"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga72b3223069013f336d8c31812b7ada80"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 2, uint, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga72b3223069013f336d8c31812b7ada80">float_distance</a> (vec&lt; 2, T, Q &gt; const &amp;x, vec&lt; 2, T, Q &gt; const &amp;y)</td></tr>
<tr class="memdesc:ga72b3223069013f336d8c31812b7ada80"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the distance in the number of ULP between 2 vectors. <a href="a00167.html#ga72b3223069013f336d8c31812b7ada80">More...</a><br /></td></tr>
<tr class="separator:ga72b3223069013f336d8c31812b7ada80"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae516ae554faa6117660828240e8bdaf0"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gae516ae554faa6117660828240e8bdaf0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gae516ae554faa6117660828240e8bdaf0">next_float</a> (genType const &amp;x)</td></tr>
<tr class="memdesc:gae516ae554faa6117660828240e8bdaf0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the next ULP value(s) after the input value(s). <a href="a00167.html#gae516ae554faa6117660828240e8bdaf0">More...</a><br /></td></tr>
<tr class="separator:gae516ae554faa6117660828240e8bdaf0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad107ec3d9697ef82032a33338a73ebdd"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gad107ec3d9697ef82032a33338a73ebdd"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gad107ec3d9697ef82032a33338a73ebdd">next_float</a> (genType const &amp;x, uint const &amp;Distance)</td></tr>
<tr class="memdesc:gad107ec3d9697ef82032a33338a73ebdd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the value(s) ULP distance after the input value(s). <a href="a00167.html#gad107ec3d9697ef82032a33338a73ebdd">More...</a><br /></td></tr>
<tr class="separator:gad107ec3d9697ef82032a33338a73ebdd"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga2fcbb7bfbfc595712bfddc51b0715b07">prev_float</a> (genType const &amp;x)</td></tr>
<tr class="memdesc:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the previous ULP value(s) before the input value(s). <a href="a00167.html#ga2fcbb7bfbfc595712bfddc51b0715b07">More...</a><br /></td></tr>
<tr class="separator:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gaa399d5b6472a70e8952f9b26ecaacdec">prev_float</a> (genType const &amp;x, uint const &amp;Distance)</td></tr>
<tr class="memdesc:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the value(s) ULP distance before the input value(s). <a href="a00167.html#gaa399d5b6472a70e8952f9b26ecaacdec">More...</a><br /></td></tr>
<tr class="separator:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7c53b7797f3147af68a11c767679fa3f"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga7c53b7797f3147af68a11c767679fa3f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 3, T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga7c53b7797f3147af68a11c767679fa3f">ballRand</a> (T Radius)</td></tr>
<tr class="memdesc:ga7c53b7797f3147af68a11c767679fa3f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate a random 3D vector which coordinates are regulary distributed within the volume of a ball of a given radius. <a href="a00167.html#ga7c53b7797f3147af68a11c767679fa3f">More...</a><br /></td></tr>
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<tr class="memitem:ga9dd05c36025088fae25b97c869e88517"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga9dd05c36025088fae25b97c869e88517"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 2, T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga9dd05c36025088fae25b97c869e88517">circularRand</a> (T Radius)</td></tr>
<tr class="memdesc:ga9dd05c36025088fae25b97c869e88517"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate a random 2D vector which coordinates are regulary distributed on a circle of a given radius. <a href="a00167.html#ga9dd05c36025088fae25b97c869e88517">More...</a><br /></td></tr>
<tr class="separator:ga9dd05c36025088fae25b97c869e88517"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memitem:gaa0b18071f3f97dbf8bcf6f53c6fe5f73"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 2, T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#gaa0b18071f3f97dbf8bcf6f53c6fe5f73">diskRand</a> (T Radius)</td></tr>
<tr class="memdesc:gaa0b18071f3f97dbf8bcf6f53c6fe5f73"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate a random 2D vector which coordinates are regulary distributed within the area of a disk of a given radius. <a href="a00167.html#gaa0b18071f3f97dbf8bcf6f53c6fe5f73">More...</a><br /></td></tr>
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<tr class="memitem:ga5193a83e49e4fdc5652c084711083574"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga5193a83e49e4fdc5652c084711083574"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga5193a83e49e4fdc5652c084711083574">gaussRand</a> (genType Mean, genType Deviation)</td></tr>
<tr class="memdesc:ga5193a83e49e4fdc5652c084711083574"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate random numbers in the interval [Min, Max], according a gaussian distribution. <a href="a00167.html#ga5193a83e49e4fdc5652c084711083574">More...</a><br /></td></tr>
<tr class="separator:ga5193a83e49e4fdc5652c084711083574"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga04e241ab88374a477a2c2ceadd2fa03d"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga04e241ab88374a477a2c2ceadd2fa03d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga04e241ab88374a477a2c2ceadd2fa03d">linearRand</a> (genType Min, genType Max)</td></tr>
<tr class="memdesc:ga04e241ab88374a477a2c2ceadd2fa03d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate random numbers in the interval [Min, Max], according a linear distribution. <a href="a00167.html#ga04e241ab88374a477a2c2ceadd2fa03d">More...</a><br /></td></tr>
<tr class="separator:ga04e241ab88374a477a2c2ceadd2fa03d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga94731130c298a9ff5e5025fdee6d97a0"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga94731130c298a9ff5e5025fdee6d97a0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, T, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga94731130c298a9ff5e5025fdee6d97a0">linearRand</a> (vec&lt; L, T, Q &gt; const &amp;Min, vec&lt; L, T, Q &gt; const &amp;Max)</td></tr>
<tr class="memdesc:ga94731130c298a9ff5e5025fdee6d97a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate random numbers in the interval [Min, Max], according a linear distribution. <a href="a00167.html#ga94731130c298a9ff5e5025fdee6d97a0">More...</a><br /></td></tr>
<tr class="separator:ga94731130c298a9ff5e5025fdee6d97a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga22f90fcaccdf001c516ca90f6428e138"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga22f90fcaccdf001c516ca90f6428e138"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; 3, T, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00167.html#ga22f90fcaccdf001c516ca90f6428e138">sphericalRand</a> (T Radius)</td></tr>
<tr class="memdesc:ga22f90fcaccdf001c516ca90f6428e138"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate a random 3D vector which coordinates are regulary distributed on a sphere of a given radius. <a href="a00167.html#ga22f90fcaccdf001c516ca90f6428e138">More...</a><br /></td></tr>
<tr class="separator:ga22f90fcaccdf001c516ca90f6428e138"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Include &lt;<a class="el" href="a00125.html" title="GLM_GTC_ulp ">glm/gtc/ulp.hpp</a>&gt; to use the features of this extension. </p>
<p>Allow the measurement of the accuracy of a function against a reference implementation. This extension works on floating-point data and provide results in ULP. </p>
<p>Include &lt;<a class="el" href="a00085.html" title="GLM_GTC_random ">glm/gtc/random.hpp</a>&gt; to use the features of this extension. </p>
<p>Generate random number from various distribution methods. </p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">GLM_FUNC_DECL uint glm::float_distance </td>
<td class="memname">GLM_FUNC_DECL vec&lt;3, T, defaultp&gt; glm::ballRand </td>
<td>(</td>
<td class="paramtype">T const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>Radius</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Generate a random 3D vector which coordinates are regulary distributed within the volume of a ball of a given radius. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL vec&lt;2, T, defaultp&gt; glm::circularRand </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>Radius</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Generate a random 2D vector which coordinates are regulary distributed on a circle of a given radius. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL vec&lt;2, T, defaultp&gt; glm::diskRand </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>Radius</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Generate a random 2D vector which coordinates are regulary distributed within the area of a disk of a given radius. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::gaussRand </td>
<td>(</td>
<td class="paramtype">genType&#160;</td>
<td class="paramname"><em>Mean</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">T const &amp;&#160;</td>
<td class="paramname"><em>y</em>&#160;</td>
<td class="paramtype">genType&#160;</td>
<td class="paramname"><em>Deviation</em>&#160;</td>
</tr>
<tr>
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@@ -140,26 +201,26 @@ Functions</h2></td></tr>
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<p>Return the distance in the number of ULP between 2 scalars. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
<p>Generate random numbers in the interval [Min, Max], according a gaussian distribution. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL vec&lt;2, uint, Q&gt; glm::float_distance </td>
<td class="memname">GLM_FUNC_DECL genType glm::linearRand </td>
<td>(</td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
<td class="paramtype">genType&#160;</td>
<td class="paramname"><em>Min</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">vec&lt; 2, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>y</em>&#160;</td>
<td class="paramtype">genType&#160;</td>
<td class="paramname"><em>Max</em>&#160;</td>
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@@ -169,45 +230,39 @@ Functions</h2></td></tr>
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<p>Return the distance in the number of ULP between 2 vectors. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
<p>Generate random numbers in the interval [Min, Max], according a linear distribution. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">Min</td><td>Minimum value included in the sampling </td></tr>
<tr><td class="paramname">Max</td><td>Maximum value included in the sampling </td></tr>
</table>
</dd>
</dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">genType</td><td>Value type. Currently supported: float or double scalars. </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::next_float </td>
<td class="memname">GLM_FUNC_DECL vec&lt;L, T, Q&gt; glm::linearRand </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Return the next ULP value(s) after the input value(s). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::next_float </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
<td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>Min</em>, </td>
</tr>
<tr>
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<p>Return the value(s) ULP distance after the input value(s). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
<p>Generate random numbers in the interval [Min, Max], according a linear distribution. </p>
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<tr><td class="paramname">Min</td><td>Minimum value included in the sampling </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::prev_float </td>
<td class="memname">GLM_FUNC_DECL vec&lt;3, T, defaultp&gt; glm::sphericalRand </td>
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<p>Return the previous ULP value(s) before the input value(s). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
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<td class="memname">GLM_FUNC_DECL genType glm::prev_float </td>
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<td class="paramtype"><a class="el" href="a00145.html#ga91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> const &amp;&#160;</td>
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<p>Return the value(s) ULP distance before the input value(s). </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/ulp.hpp> to use the features of this extension. ">GLM_GTC_ulp</a> </dd></dl>
<p>Generate a random 3D vector which coordinates are regulary distributed on a sphere of a given radius. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00167.html" title="Include <glm/gtc/random.hpp> to use the features of this extension. ">GLM_GTC_random</a> </dd></dl>
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