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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="header">
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<a href="#func-members">Functions</a>  </div>
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<div class="title">GLM_GTC_ulp<div class="ingroups"><a class="el" href="a00164.html">GTC Extensions (Stable)</a></div></div>  </div>
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<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="a00184.html#ga2e09bd6c8b0a9c91f6f5683d68245634">float_distance</a> (T const &amp;x, T const &amp;y)</td></tr>
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<tr class="memitem:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
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<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="a00184.html#gaa399d5b6472a70e8952f9b26ecaacdec">prev_float</a> (genType const &amp;x, uint const &amp;Distance)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Allow the measurement of the accuracy of a function against a reference implementation. </p>
<p>This extension works on floating-point data and provide results in ULP. &lt;<a class="el" href="a00139.html" title="OpenGL Mathematics (glm.g-truc.net) ">glm/gtc/ulp.hpp</a>&gt; need to be included to use these features. </p>
<h2 class="groupheader">Function Documentation</h2>
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<div class="memitem">
<div class="memproto">
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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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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<div class="memitem">
<div class="memproto">
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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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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          <td></td>
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        </tr>
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</div><div class="memdoc">

<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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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<a class="anchor" id="ga2fcbb7bfbfc595712bfddc51b0715b07"></a>
<div class="memitem">
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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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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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="a00184.html" title="Allow the measurement of the accuracy of a function against a reference implementation. ">GLM_GTC_ulp</a> </dd></dl>

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