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<title>GLM_GTX_ulp: Accuracy measurement</title>
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<a href="#func-members">Functions</a> </div>
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<div class="title">GLM_GTX_ulp: Accuracy measurement</div> </div>
<div class="ingroups"><a class="el" href="a00152.html">GTX Extensions (Experimental)</a></div></div>
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Functions</h2></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">uint&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00222.html#ga0c49c371f6b2adf02d03661e0f2499c9">float_distance</a> (T const &amp;x, T const &amp;y)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T , template&lt; typename &gt; class vecType&gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">vecType&lt; uint &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00222.html#ga9b2de9eb54e59f20b20f7eccd40d435e">float_distance</a> (vecType&lt; T &gt; const &amp;x, vecType&lt; T &gt; const &amp;y)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00222.html#ga3be6de2d954fb457ff88085128e4b521">next_float</a> (genType const &amp;x)</td></tr>
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<hr/><a name="details" id="details"></a><h2>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="a00130.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/ulp.hpp</a>&gt; need to be included to use these functionalities. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga0c49c371f6b2adf02d03661e0f2499c9"></a><!-- doxytag: member="glm::float_distance" ref="ga0c49c371f6b2adf02d03661e0f2499c9" args="(T const &amp;x, T const &amp;y)" -->
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<p>Return the distance in the number of ULP between 2 scalars. </p>
<p>From GLM_GTX_ulp extension. </p>
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<p>Return the distance in the number of ULP between 2 vectors. </p>
<p>From GLM_GTX_ulp extension. </p>
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<p>Return the next ULP value(s) after the input value(s). </p>
<p>From GLM_GTX_ulp extension. </p>
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<a class="anchor" id="ga27752f3f7a9a79a50e95a9ed42800ca7"></a><!-- doxytag: member="glm::next_float" ref="ga27752f3f7a9a79a50e95a9ed42800ca7" args="(genType const &amp;x, uint const &amp;Distance)" -->
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<p>Return the value(s) ULP distance after the input value(s). </p>
<p>From GLM_GTX_ulp extension. </p>
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<p>Return the previous ULP value(s) before the input value(s). </p>
<p>From GLM_GTX_ulp extension. </p>
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<a class="anchor" id="gae506d2fb08aff01e00763d7ed76fe117"></a><!-- doxytag: member="glm::prev_float" ref="gae506d2fb08aff01e00763d7ed76fe117" args="(genType const &amp;x, uint const &amp;Distance)" -->
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<p>Return the value(s) ULP distance before the input value(s). </p>
<p>From GLM_GTX_ulp extension. </p>
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