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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="title">GLM_GTC_ulp</div>  </div> | |
| <div class="ingroups"><a class="el" href="a00138.html">GTC Extensions (Stable)</a></div></div><!--header--> | |
| <div class="contents"> | |
| <table class="memberdecls"> | |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> | |
| Functions</h2></td></tr> | |
| <tr class="memitem:ga0c49c371f6b2adf02d03661e0f2499c9"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> | |
| <tr class="memitem:ga0c49c371f6b2adf02d03661e0f2499c9"><td class="memTemplItemLeft" align="right" valign="top">uint </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga0c49c371f6b2adf02d03661e0f2499c9">float_distance</a> (T const &x, T const &y)</td></tr> | |
| <tr class="separator:ga0c49c371f6b2adf02d03661e0f2499c9"><td class="memSeparator" colspan="2"> </td></tr> | |
| <tr class="memitem:ga9b2de9eb54e59f20b20f7eccd40d435e"><td class="memTemplParams" colspan="2">template<typename T , template< typename > class vecType> </td></tr> | |
| <tr class="memitem:ga9b2de9eb54e59f20b20f7eccd40d435e"><td class="memTemplItemLeft" align="right" valign="top">vecType< uint > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga9b2de9eb54e59f20b20f7eccd40d435e">float_distance</a> (vecType< T > const &x, vecType< T > const &y)</td></tr> | |
| <tr class="separator:ga9b2de9eb54e59f20b20f7eccd40d435e"><td class="memSeparator" colspan="2"> </td></tr> | |
| <tr class="memitem:ga3be6de2d954fb457ff88085128e4b521"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr> | |
| <tr class="memitem:ga3be6de2d954fb457ff88085128e4b521"><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga3be6de2d954fb457ff88085128e4b521">next_float</a> (genType const &x)</td></tr> | |
| <tr class="separator:ga3be6de2d954fb457ff88085128e4b521"><td class="memSeparator" colspan="2"> </td></tr> | |
| <tr class="memitem:ga27752f3f7a9a79a50e95a9ed42800ca7"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr> | |
| <tr class="memitem:ga27752f3f7a9a79a50e95a9ed42800ca7"><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga27752f3f7a9a79a50e95a9ed42800ca7">next_float</a> (genType const &x, uint const &Distance)</td></tr> | |
| <tr class="separator:ga27752f3f7a9a79a50e95a9ed42800ca7"><td class="memSeparator" colspan="2"> </td></tr> | |
| <tr class="memitem:ga2a0122b31c643ca1546635fe8e4f9f74"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr> | |
| <tr class="memitem:ga2a0122b31c643ca1546635fe8e4f9f74"><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#ga2a0122b31c643ca1546635fe8e4f9f74">prev_float</a> (genType const &x)</td></tr> | |
| <tr class="separator:ga2a0122b31c643ca1546635fe8e4f9f74"><td class="memSeparator" colspan="2"> </td></tr> | |
| <tr class="memitem:gae506d2fb08aff01e00763d7ed76fe117"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr> | |
| <tr class="memitem:gae506d2fb08aff01e00763d7ed76fe117"><td class="memTemplItemLeft" align="right" valign="top">genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00159.html#gae506d2fb08aff01e00763d7ed76fe117">prev_float</a> (genType const &x, uint const &Distance)</td></tr> | |
| <tr class="separator:gae506d2fb08aff01e00763d7ed76fe117"><td class="memSeparator" colspan="2"> </td></tr> | |
| </table> | |
| <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. <<a class="el" href="a00116.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtc/ulp.hpp</a>> need to be included to use these features. </p> | |
| <h2 class="groupheader">Function Documentation</h2> | |
| <a class="anchor" id="ga0c49c371f6b2adf02d03661e0f2499c9"></a> | |
| <div class="memitem"> | |
| <div class="memproto"> | |
|       <table class="memname"> | |
|         <tr> | |
|           <td class="memname">uint glm::float_distance </td> | |
|           <td>(</td> | |
|           <td class="paramtype">T const & </td> | |
|           <td class="paramname"><em>x</em>, </td> | |
|         </tr> | |
|         <tr> | |
|           <td class="paramkey"></td> | |
|           <td></td> | |
|           <td class="paramtype">T const & </td> | |
|           <td class="paramname"><em>y</em> </td> | |
|         </tr> | |
|         <tr> | |
|           <td></td> | |
|           <td>)</td> | |
|           <td></td><td></td> | |
|         </tr> | |
|       </table> | |
| </div><div class="memdoc"> | |
| 
 | |
| <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> | |
| 
 | |
| </div> | |
| </div> | |
| <a class="anchor" id="ga9b2de9eb54e59f20b20f7eccd40d435e"></a> | |
| <div class="memitem"> | |
| <div class="memproto"> | |
|       <table class="memname"> | |
|         <tr> | |
|           <td class="memname">vecType<uint> glm::float_distance </td> | |
|           <td>(</td> | |
|           <td class="paramtype">vecType< T > const & </td> | |
|           <td class="paramname"><em>x</em>, </td> | |
|         </tr> | |
|         <tr> | |
|           <td class="paramkey"></td> | |
|           <td></td> | |
|           <td class="paramtype">vecType< T > const & </td> | |
|           <td class="paramname"><em>y</em> </td> | |
|         </tr> | |
|         <tr> | |
|           <td></td> | |
|           <td>)</td> | |
|           <td></td><td></td> | |
|         </tr> | |
|       </table> | |
| </div><div class="memdoc"> | |
| 
 | |
| <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> | |
| 
 | |
| </div> | |
| </div> | |
| <a class="anchor" id="ga3be6de2d954fb457ff88085128e4b521"></a> | |
| <div class="memitem"> | |
| <div class="memproto"> | |
|       <table class="memname"> | |
|         <tr> | |
|           <td class="memname">genType glm::next_float </td> | |
|           <td>(</td> | |
|           <td class="paramtype">genType const & </td> | |
|           <td class="paramname"><em>x</em></td><td>)</td> | |
|           <td></td> | |
|         </tr> | |
|       </table> | |
| </div><div class="memdoc"> | |
| 
 | |
| <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> | |
| 
 | |
| </div> | |
| </div> | |
| <a class="anchor" id="ga27752f3f7a9a79a50e95a9ed42800ca7"></a> | |
| <div class="memitem"> | |
| <div class="memproto"> | |
|       <table class="memname"> | |
|         <tr> | |
|           <td class="memname">genType glm::next_float </td> | |
|           <td>(</td> | |
|           <td class="paramtype">genType const & </td> | |
|           <td class="paramname"><em>x</em>, </td> | |
|         </tr> | |
|         <tr> | |
|           <td class="paramkey"></td> | |
|           <td></td> | |
|           <td class="paramtype">uint const & </td> | |
|           <td class="paramname"><em>Distance</em> </td> | |
|         </tr> | |
|         <tr> | |
|           <td></td> | |
|           <td>)</td> | |
|           <td></td><td></td> | |
|         </tr> | |
|       </table> | |
| </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="a00159.html" title="Allow the measurement of the accuracy of a function against a reference implementation.">GLM_GTC_ulp</a> </dd></dl> | |
| 
 | |
| </div> | |
| </div> | |
| <a class="anchor" id="ga2a0122b31c643ca1546635fe8e4f9f74"></a> | |
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| <div class="memproto"> | |
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|         <tr> | |
|           <td class="memname">genType glm::prev_float </td> | |
|           <td>(</td> | |
|           <td class="paramtype">genType const & </td> | |
|           <td class="paramname"><em>x</em></td><td>)</td> | |
|           <td></td> | |
|         </tr> | |
|       </table> | |
| </div><div class="memdoc"> | |
| 
 | |
| <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> | |
| 
 | |
| </div> | |
| </div> | |
| <a class="anchor" id="gae506d2fb08aff01e00763d7ed76fe117"></a> | |
| <div class="memitem"> | |
| <div class="memproto"> | |
|       <table class="memname"> | |
|         <tr> | |
|           <td class="memname">genType glm::prev_float </td> | |
|           <td>(</td> | |
|           <td class="paramtype">genType const & </td> | |
|           <td class="paramname"><em>x</em>, </td> | |
|         </tr> | |
|         <tr> | |
|           <td class="paramkey"></td> | |
|           <td></td> | |
|           <td class="paramtype">uint const & </td> | |
|           <td class="paramname"><em>Distance</em> </td> | |
|         </tr> | |
|         <tr> | |
|           <td></td> | |
|           <td>)</td> | |
|           <td></td><td></td> | |
|         </tr> | |
|       </table> | |
| </div><div class="memdoc"> | |
| 
 | |
| <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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