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2012-11-18 14:05:52 +01:00

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<a href="#func-members">Functions</a> </div>
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<div class="title">GLM_GTC_ulp</div> </div>
<div class="ingroups"><a class="el" href="a00138.html">GTC Extensions (Stable)</a></div></div><!--header-->
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Functions</h2></td></tr>
<tr class="memitem:ga0c49c371f6b2adf02d03661e0f2499c9"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ga0c49c371f6b2adf02d03661e0f2499c9"><td class="memTemplItemLeft" align="right" valign="top">uint&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga0c49c371f6b2adf02d03661e0f2499c9">float_distance</a> (T const &amp;x, T const &amp;y)</td></tr>
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<tr class="memitem:ga9b2de9eb54e59f20b20f7eccd40d435e"><td class="memTemplItemLeft" align="right" valign="top">vecType&lt; uint &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga9b2de9eb54e59f20b20f7eccd40d435e">float_distance</a> (vecType&lt; T &gt; const &amp;x, vecType&lt; T &gt; const &amp;y)</td></tr>
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<tr class="memitem:ga2a0122b31c643ca1546635fe8e4f9f74"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga2a0122b31c643ca1546635fe8e4f9f74"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga2a0122b31c643ca1546635fe8e4f9f74">prev_float</a> (genType const &amp;x)</td></tr>
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<tr class="memitem:gae506d2fb08aff01e00763d7ed76fe117"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gae506d2fb08aff01e00763d7ed76fe117"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#gae506d2fb08aff01e00763d7ed76fe117">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="a00116.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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<td class="memname">uint glm::float_distance </td>
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<td class="paramtype">T const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </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="a00159.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">vecType&lt;uint&gt; glm::float_distance </td>
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<td class="paramtype">vecType&lt; T &gt; const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramtype">vecType&lt; T &gt; const &amp;&#160;</td>
<td class="paramname"><em>y</em>&#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="a00159.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">genType glm::next_float </td>
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<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="a00159.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">genType glm::next_float </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint const &amp;&#160;</td>
<td class="paramname"><em>Distance</em>&#160;</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="a00159.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="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="a00159.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">genType glm::prev_float </td>
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<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint const &amp;&#160;</td>
<td class="paramname"><em>Distance</em>&#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="a00159.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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