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<div class="title">GLM_GTC_ulp<div class="ingroups"><a class="el" href="a00153.html">GTC Extensions (Stable)</a></div></div> </div>
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<p>Allow the measurement of the accuracy of a function against a reference implementation.
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<table class="memberdecls">
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Functions</h2></td></tr>
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<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="a00179.html#ga2e09bd6c8b0a9c91f6f5683d68245634">float_distance</a> (T const &amp;x, T const &amp;y)</td></tr>
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<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="a00179.html#ga2e09bd6c8b0a9c91f6f5683d68245634">More...</a><br /></td></tr>
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<tr class="separator:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="memdesc:ga85355f2549d75789eb66e5d565d8ad26"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the distance in the number of ULP between 2 vectors. <a href="a00179.html#ga85355f2549d75789eb66e5d565d8ad26">More...</a><br /></td></tr>
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<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="a00179.html#gae516ae554faa6117660828240e8bdaf0">More...</a><br /></td></tr>
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<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="a00179.html#gad107ec3d9697ef82032a33338a73ebdd">More...</a><br /></td></tr>
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<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="a00179.html#ga2fcbb7bfbfc595712bfddc51b0715b07">More...</a><br /></td></tr>
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<tr class="separator:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<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="a00179.html#gaa399d5b6472a70e8952f9b26ecaacdec">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Allow the measurement of the accuracy of a function against a reference implementation. </p>
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<p>This extension works on floating-point data and provide results in ULP. &lt;<a class="el" href="a00130.html" title="GLM_GTC_ulp ">glm/gtc/ulp.hpp</a>&gt; need to be included to use these features. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">GLM_FUNC_DECL uint glm::float_distance </td>
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<td>(</td>
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<td class="paramtype">T const &amp;&#160;</td>
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<td>)</td>
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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="a00179.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 class="memname">GLM_FUNC_DECL vecType&lt;uint&gt; glm::float_distance </td>
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<td>(</td>
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<td class="paramtype">vecType&lt; T &gt; const &amp;&#160;</td>
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<td class="paramtype">vecType&lt; T &gt; const &amp;&#160;</td>
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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="a00179.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 class="memname">GLM_FUNC_DECL genType glm::next_float </td>
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<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="a00179.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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<td class="paramtype"><a class="el" href="a00157.html#ga91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> const &amp;&#160;</td>
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<td class="paramname"><em>Distance</em>&#160;</td>
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<td>)</td>
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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="a00179.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 class="memname">GLM_FUNC_DECL genType glm::prev_float </td>
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<td>(</td>
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<td class="paramname"><em>x</em></td><td>)</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="a00179.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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<td class="paramtype"><a class="el" href="a00157.html#ga91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> const &amp;&#160;</td>
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<td class="paramname"><em>Distance</em>&#160;</td>
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<td>)</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="a00179.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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