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<div class="title">GLM_EXT_scalar_ulp<div class="ingroups"><a class="el" href="a00894.html">Stable extensions</a></div></div> </div>
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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:ga4b76118ff56adfbc41a5925908b48606"><td class="memItemLeft" align="right" valign="top">GLM_FUNC_DECL <a class="el" href="a00859.html#gaff5189f97f9e842d9636a0f240001b2e">int64</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00865.html#ga4b76118ff56adfbc41a5925908b48606">floatDistance</a> (double x, double y)</td></tr>
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<tr class="memdesc:ga4b76118ff56adfbc41a5925908b48606"><td class="mdescLeft"> </td><td class="mdescRight">Return the distance in the number of ULP between 2 double-precision floating-point scalars. <a href="a00865.html#ga4b76118ff56adfbc41a5925908b48606">More...</a><br /></td></tr>
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<tr class="separator:ga4b76118ff56adfbc41a5925908b48606"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae609a2729cacccbabe966221d61e0dc4"><td class="memItemLeft" align="right" valign="top">GLM_FUNC_DECL int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00865.html#gae609a2729cacccbabe966221d61e0dc4">floatDistance</a> (float x, float y)</td></tr>
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<tr class="memdesc:gae609a2729cacccbabe966221d61e0dc4"><td class="mdescLeft"> </td><td class="mdescRight">Return the distance in the number of ULP between 2 single-precision floating-point scalars. <a href="a00865.html#gae609a2729cacccbabe966221d61e0dc4">More...</a><br /></td></tr>
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<tr class="separator:gae609a2729cacccbabe966221d61e0dc4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga30bc0280e7cefd159867b1aa5050b94a"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr class="memitem:ga30bc0280e7cefd159867b1aa5050b94a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00865.html#ga30bc0280e7cefd159867b1aa5050b94a">nextFloat</a> (genType x)</td></tr>
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<tr class="memdesc:ga30bc0280e7cefd159867b1aa5050b94a"><td class="mdescLeft"> </td><td class="mdescRight">Return the next ULP value(s) after the input value(s). <a href="a00865.html#ga30bc0280e7cefd159867b1aa5050b94a">More...</a><br /></td></tr>
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<tr class="separator:ga30bc0280e7cefd159867b1aa5050b94a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga54eb5916c5250c8f0ad8224fb8e0d392"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr class="memitem:ga54eb5916c5250c8f0ad8224fb8e0d392"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00865.html#ga54eb5916c5250c8f0ad8224fb8e0d392">nextFloat</a> (genType x, int ULPs)</td></tr>
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<tr class="memdesc:ga54eb5916c5250c8f0ad8224fb8e0d392"><td class="mdescLeft"> </td><td class="mdescRight">Return the value(s) ULP distance after the input value(s). <a href="a00865.html#ga54eb5916c5250c8f0ad8224fb8e0d392">More...</a><br /></td></tr>
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<tr class="separator:ga54eb5916c5250c8f0ad8224fb8e0d392"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga25320ace5b3e239405077912eb4e7bf9"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr class="memitem:ga25320ace5b3e239405077912eb4e7bf9"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00865.html#ga25320ace5b3e239405077912eb4e7bf9">prevFloat</a> (genType x)</td></tr>
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<tr class="memdesc:ga25320ace5b3e239405077912eb4e7bf9"><td class="mdescLeft"> </td><td class="mdescRight">Return the previous ULP value(s) before the input value(s). <a href="a00865.html#ga25320ace5b3e239405077912eb4e7bf9">More...</a><br /></td></tr>
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<tr class="separator:ga25320ace5b3e239405077912eb4e7bf9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga760b98a221f1f511edbcdf0b06c49841"><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr class="memitem:ga760b98a221f1f511edbcdf0b06c49841"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00865.html#ga760b98a221f1f511edbcdf0b06c49841">prevFloat</a> (genType x, int ULPs)</td></tr>
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<tr class="memdesc:ga760b98a221f1f511edbcdf0b06c49841"><td class="mdescLeft"> </td><td class="mdescRight">Return the value(s) ULP distance before the input value(s). <a href="a00865.html#ga760b98a221f1f511edbcdf0b06c49841">More...</a><br /></td></tr>
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<tr class="separator:ga760b98a221f1f511edbcdf0b06c49841"><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. This extension works on floating-point data and provide results in ULP.</p>
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<p>Include <<a class="el" href="a00377.html" title="GLM_EXT_scalar_ulp">glm/ext/scalar_ulp.hpp</a>> to use the features of this extension.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00887.html">GLM_EXT_vector_ulp</a> </dd>
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<dd>
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<a class="el" href="a00863.html">GLM_EXT_scalar_relational</a> </dd></dl>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga4b76118ff56adfbc41a5925908b48606"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga4b76118ff56adfbc41a5925908b48606">◆ </a></span>floatDistance() <span class="overload">[1/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL <a class="el" href="a00859.html#gaff5189f97f9e842d9636a0f240001b2e">int64</a> glm::floatDistance </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
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<p>Return the distance in the number of ULP between 2 double-precision floating-point scalars. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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<a id="gae609a2729cacccbabe966221d61e0dc4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gae609a2729cacccbabe966221d61e0dc4">◆ </a></span>floatDistance() <span class="overload">[2/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL int glm::floatDistance </td>
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<td>(</td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>y</em> </td>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Return the distance in the number of ULP between 2 single-precision floating-point scalars. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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<a id="ga30bc0280e7cefd159867b1aa5050b94a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga30bc0280e7cefd159867b1aa5050b94a">◆ </a></span>nextFloat() <span class="overload">[1/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL genType glm::nextFloat </td>
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<td>(</td>
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<td class="paramtype">genType </td>
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<p>Return the next ULP value(s) after the input value(s). </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">genType</td><td>A floating-point scalar type.</td></tr>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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<a id="ga54eb5916c5250c8f0ad8224fb8e0d392"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga54eb5916c5250c8f0ad8224fb8e0d392">◆ </a></span>nextFloat() <span class="overload">[2/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL genType glm::nextFloat </td>
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<td>(</td>
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<p>Return the value(s) ULP distance after the input value(s). </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">genType</td><td>A floating-point scalar type.</td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga25320ace5b3e239405077912eb4e7bf9">◆ </a></span>prevFloat() <span class="overload">[1/2]</span></h2>
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<td class="memname">GLM_FUNC_DECL genType glm::prevFloat </td>
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<td>(</td>
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<p>Return the previous ULP value(s) before the input value(s). </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">genType</td><td>A floating-point scalar type.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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<a id="ga760b98a221f1f511edbcdf0b06c49841"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga760b98a221f1f511edbcdf0b06c49841">◆ </a></span>prevFloat() <span class="overload">[2/2]</span></h2>
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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::prevFloat </td>
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<td>(</td>
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<td class="paramtype">genType </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">int </td>
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<td class="paramname"><em>ULPs</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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</div><div class="memdoc">
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<p>Return the value(s) ULP distance before the input value(s). </p>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">genType</td><td>A floating-point scalar type.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00865.html">GLM_EXT_scalar_ulp</a> </dd></dl>
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