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			281 lines
		
	
	
		
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| </div>
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| 
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| <div class="header">
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|   <div class="summary">
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| <a href="#func-members">Functions</a>  </div>
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|   <div class="headertitle">
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| <div class="title">GLM_GTC_ulp<div class="ingroups"><a class="el" href="a00156.html">GTC Extensions (Stable)</a></div></div>  </div>
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| </div><!--header-->
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| <div class="contents">
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| 
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| <p>Allow the measurement of the accuracy of a function against a reference implementation.  
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| <a href="#details">More...</a></p>
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| <table class="memberdecls">
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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| Functions</h2></td></tr>
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| <tr class="memitem:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
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| <tr class="memitem:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL uint </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#ga2e09bd6c8b0a9c91f6f5683d68245634">float_distance</a> (T const &x, T const &y)</td></tr>
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| <tr class="memdesc:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="mdescLeft"> </td><td class="mdescRight">Return the distance in the number of ULP between 2 scalars.  <a href="a00181.html#ga2e09bd6c8b0a9c91f6f5683d68245634">More...</a><br /></td></tr>
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| <tr class="separator:ga2e09bd6c8b0a9c91f6f5683d68245634"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:ga72b3223069013f336d8c31812b7ada80"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
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| <tr class="memitem:ga72b3223069013f336d8c31812b7ada80"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 2, uint, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#ga72b3223069013f336d8c31812b7ada80">float_distance</a> (vec< 2, T, Q > const &x, vec< 2, T, Q > const &y)</td></tr>
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| <tr class="memdesc:ga72b3223069013f336d8c31812b7ada80"><td class="mdescLeft"> </td><td class="mdescRight">Return the distance in the number of ULP between 2 vectors.  <a href="a00181.html#ga72b3223069013f336d8c31812b7ada80">More...</a><br /></td></tr>
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| <tr class="separator:ga72b3223069013f336d8c31812b7ada80"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:gae516ae554faa6117660828240e8bdaf0"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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| <tr class="memitem:gae516ae554faa6117660828240e8bdaf0"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#gae516ae554faa6117660828240e8bdaf0">next_float</a> (genType const &x)</td></tr>
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| <tr class="memdesc:gae516ae554faa6117660828240e8bdaf0"><td class="mdescLeft"> </td><td class="mdescRight">Return the next ULP value(s) after the input value(s).  <a href="a00181.html#gae516ae554faa6117660828240e8bdaf0">More...</a><br /></td></tr>
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| <tr class="separator:gae516ae554faa6117660828240e8bdaf0"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:gad107ec3d9697ef82032a33338a73ebdd"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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| <tr class="memitem:gad107ec3d9697ef82032a33338a73ebdd"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#gad107ec3d9697ef82032a33338a73ebdd">next_float</a> (genType const &x, uint const &Distance)</td></tr>
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| <tr class="memdesc:gad107ec3d9697ef82032a33338a73ebdd"><td class="mdescLeft"> </td><td class="mdescRight">Return the value(s) ULP distance after the input value(s).  <a href="a00181.html#gad107ec3d9697ef82032a33338a73ebdd">More...</a><br /></td></tr>
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| <tr class="separator:gad107ec3d9697ef82032a33338a73ebdd"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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| <tr class="memitem:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#ga2fcbb7bfbfc595712bfddc51b0715b07">prev_float</a> (genType const &x)</td></tr>
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| <tr class="memdesc:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="mdescLeft"> </td><td class="mdescRight">Return the previous ULP value(s) before the input value(s).  <a href="a00181.html#ga2fcbb7bfbfc595712bfddc51b0715b07">More...</a><br /></td></tr>
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| <tr class="separator:ga2fcbb7bfbfc595712bfddc51b0715b07"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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| <tr class="memitem:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00181.html#gaa399d5b6472a70e8952f9b26ecaacdec">prev_float</a> (genType const &x, uint const &Distance)</td></tr>
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| <tr class="memdesc:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="mdescLeft"> </td><td class="mdescRight">Return the value(s) ULP distance before the input value(s).  <a href="a00181.html#gaa399d5b6472a70e8952f9b26ecaacdec">More...</a><br /></td></tr>
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| <tr class="separator:gaa399d5b6472a70e8952f9b26ecaacdec"><td class="memSeparator" colspan="2"> </td></tr>
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| </table>
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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. <<a class="el" href="a00133.html" title="GLM_GTC_ulp ">glm/gtc/ulp.hpp</a>> need to be included to use these features. </p>
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| <h2 class="groupheader">Function Documentation</h2>
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| <a class="anchor" id="ga2e09bd6c8b0a9c91f6f5683d68245634"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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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 & </td>
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|           <td class="paramname"><em>x</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">T const & </td>
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|           <td class="paramname"><em>y</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the distance in the number of ULP between 2 scalars. </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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| </div>
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| </div>
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| <a class="anchor" id="ga72b3223069013f336d8c31812b7ada80"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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|           <td class="memname">GLM_FUNC_DECL vec<2, uint, Q> glm::float_distance </td>
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|           <td>(</td>
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|           <td class="paramtype">vec< 2, T, Q > const & </td>
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|           <td class="paramname"><em>x</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">vec< 2, T, Q > const & </td>
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|           <td class="paramname"><em>y</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the distance in the number of ULP between 2 vectors. </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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| </div>
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| </div>
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| <a class="anchor" id="gae516ae554faa6117660828240e8bdaf0"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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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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|           <td class="paramtype">genType const & </td>
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|           <td class="paramname"><em>x</em></td><td>)</td>
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|           <td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the next ULP value(s) after the input value(s). </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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| </div>
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| </div>
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| <a class="anchor" id="gad107ec3d9697ef82032a33338a73ebdd"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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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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|           <td class="paramtype">genType const & </td>
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|           <td class="paramname"><em>x</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="a00160.html#ga91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> const & </td>
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|           <td class="paramname"><em>Distance</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the value(s) ULP distance after the input value(s). </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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| </div>
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| </div>
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| <a class="anchor" id="ga2fcbb7bfbfc595712bfddc51b0715b07"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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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="paramtype">genType const & </td>
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|           <td class="paramname"><em>x</em></td><td>)</td>
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|           <td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the previous ULP value(s) before the input value(s). </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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| </div>
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| </div>
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| <a class="anchor" id="gaa399d5b6472a70e8952f9b26ecaacdec"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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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="paramtype">genType const & </td>
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|           <td class="paramname"><em>x</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="a00160.html#ga91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> const & </td>
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|           <td class="paramname"><em>Distance</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| 
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| <p>Return the value(s) ULP distance before the input value(s). </p>
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| <dl class="section see"><dt>See also</dt><dd><a class="el" href="a00181.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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| 
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