<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: std::__numeric_limits_base Struct Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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Attributes</h2></td></tr> <tr class="memitem:a6e3cb3ba2f8a6742d4759b989e5e3fed"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a6e3cb3ba2f8a6742d4759b989e5e3fed">digits</a></td></tr> <tr class="separator:a6e3cb3ba2f8a6742d4759b989e5e3fed"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acc2df72b67282d8ad4ca54cbb4826475"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#acc2df72b67282d8ad4ca54cbb4826475">digits10</a></td></tr> <tr class="separator:acc2df72b67282d8ad4ca54cbb4826475"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afc9f9982a8b1c62c901eccdb07fcb5d9"><td class="memItemLeft" align="right" valign="top">static constexpr <a class="el" href="a01538.html#a5d4e3dd02abab45dde95b5bb4ae7fdbf">float_denorm_style</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#afc9f9982a8b1c62c901eccdb07fcb5d9">has_denorm</a></td></tr> <tr class="separator:afc9f9982a8b1c62c901eccdb07fcb5d9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a73f0cc2531cddced5d6e83310f7889f8"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a73f0cc2531cddced5d6e83310f7889f8">has_denorm_loss</a></td></tr> <tr class="separator:a73f0cc2531cddced5d6e83310f7889f8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af40ebac2e757c3a671a25493ca2ef1e7"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#af40ebac2e757c3a671a25493ca2ef1e7">has_infinity</a></td></tr> <tr class="separator:af40ebac2e757c3a671a25493ca2ef1e7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0a8471dcf6287585eae04a539926c324"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a0a8471dcf6287585eae04a539926c324">has_quiet_NaN</a></td></tr> <tr class="separator:a0a8471dcf6287585eae04a539926c324"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab9e32618933910efd38857f2b4c112f9"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ab9e32618933910efd38857f2b4c112f9">has_signaling_NaN</a></td></tr> <tr class="separator:ab9e32618933910efd38857f2b4c112f9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a73d31de0788cee8f432f0a9075e97a76"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a73d31de0788cee8f432f0a9075e97a76">is_bounded</a></td></tr> <tr class="separator:a73d31de0788cee8f432f0a9075e97a76"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a81640a55cbeb9fccfbedd74ce954a439"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a81640a55cbeb9fccfbedd74ce954a439">is_exact</a></td></tr> <tr class="separator:a81640a55cbeb9fccfbedd74ce954a439"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a76fdc688c82a37689f4920a9776fc593"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a76fdc688c82a37689f4920a9776fc593">is_iec559</a></td></tr> <tr class="separator:a76fdc688c82a37689f4920a9776fc593"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1080a407fe101570ab1a619fe8071396"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a1080a407fe101570ab1a619fe8071396">is_integer</a></td></tr> <tr class="separator:a1080a407fe101570ab1a619fe8071396"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a05f7c8b3b2be44d621e3fd1f0e738461"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a05f7c8b3b2be44d621e3fd1f0e738461">is_modulo</a></td></tr> <tr class="separator:a05f7c8b3b2be44d621e3fd1f0e738461"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac9fad027d1b91ec445d58e5036e8ea0b"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ac9fad027d1b91ec445d58e5036e8ea0b">is_signed</a></td></tr> <tr class="separator:ac9fad027d1b91ec445d58e5036e8ea0b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac5f6c4f5343b7060e87d95c2ddb406eb"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ac5f6c4f5343b7060e87d95c2ddb406eb">is_specialized</a></td></tr> <tr class="separator:ac5f6c4f5343b7060e87d95c2ddb406eb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1c62958a09eb69aba2a03a6e03b1574f"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a1c62958a09eb69aba2a03a6e03b1574f">max_digits10</a></td></tr> <tr class="separator:a1c62958a09eb69aba2a03a6e03b1574f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac68694be9c73ac6e36c3fe2ab1f18da4"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ac68694be9c73ac6e36c3fe2ab1f18da4">max_exponent</a></td></tr> <tr class="separator:ac68694be9c73ac6e36c3fe2ab1f18da4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afa984ea44c90b032e00779a960af64ff"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#afa984ea44c90b032e00779a960af64ff">max_exponent10</a></td></tr> <tr class="separator:afa984ea44c90b032e00779a960af64ff"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2552b13ee696d6a61a0a037fef1dc1e0"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#a2552b13ee696d6a61a0a037fef1dc1e0">min_exponent</a></td></tr> <tr class="separator:a2552b13ee696d6a61a0a037fef1dc1e0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad10027037371bb1138225df2876d5e6c"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ad10027037371bb1138225df2876d5e6c">min_exponent10</a></td></tr> <tr class="separator:ad10027037371bb1138225df2876d5e6c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af69d3e469fe6b7e0de143494703ab04a"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#af69d3e469fe6b7e0de143494703ab04a">radix</a></td></tr> <tr class="separator:af69d3e469fe6b7e0de143494703ab04a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae94127c8af226c7ebe44e9b39b80813b"><td class="memItemLeft" align="right" valign="top">static constexpr <a class="el" href="a01538.html#a53dbc8572a84ca50272f9e55a1e23e18">float_round_style</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ae94127c8af226c7ebe44e9b39b80813b">round_style</a></td></tr> <tr class="separator:ae94127c8af226c7ebe44e9b39b80813b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad43f706bb453627342a50e9891ae8027"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#ad43f706bb453627342a50e9891ae8027">tinyness_before</a></td></tr> <tr class="separator:ad43f706bb453627342a50e9891ae8027"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aada3546b2e0b32ecaef18c00e2b0dcfd"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02516.html#aada3546b2e0b32ecaef18c00e2b0dcfd">traps</a></td></tr> <tr class="separator:aada3546b2e0b32ecaef18c00e2b0dcfd"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Part of std::numeric_limits. </p> <p>The <code>static</code> <code>const</code> members are usable as integral constant expressions.</p> <dl class="section note"><dt>Note</dt><dd>This is a separate class for purposes of efficiency; you should only access these members as part of an instantiation of the std::numeric_limits class. </dd></dl> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00202">202</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div><h2 class="groupheader">Member Data Documentation</h2> <a id="a6e3cb3ba2f8a6742d4759b989e5e3fed"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6e3cb3ba2f8a6742d4759b989e5e3fed">◆ </a></span>digits</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::digits</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The number of <code>radix</code> digits that be represented without change: for integer types, the number of non-sign bits in the mantissa; for floating types, the number of <code>radix</code> digits in the mantissa. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00211">211</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="acc2df72b67282d8ad4ca54cbb4826475"></a> <h2 class="memtitle"><span class="permalink"><a href="#acc2df72b67282d8ad4ca54cbb4826475">◆ </a></span>digits10</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::digits10</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The number of base 10 digits that can be represented without change. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00214">214</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="afc9f9982a8b1c62c901eccdb07fcb5d9"></a> <h2 class="memtitle"><span class="permalink"><a href="#afc9f9982a8b1c62c901eccdb07fcb5d9">◆ </a></span>has_denorm</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr <a class="el" href="a01538.html#a5d4e3dd02abab45dde95b5bb4ae7fdbf">float_denorm_style</a> std::__numeric_limits_base::has_denorm</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>See std::float_denorm_style for more information. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00266">266</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a73f0cc2531cddced5d6e83310f7889f8"></a> <h2 class="memtitle"><span class="permalink"><a href="#a73f0cc2531cddced5d6e83310f7889f8">◆ </a></span>has_denorm_loss</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::has_denorm_loss</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if loss of accuracy is detected as a denormalization loss, rather than as an inexact result. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00270">270</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="af40ebac2e757c3a671a25493ca2ef1e7"></a> <h2 class="memtitle"><span class="permalink"><a href="#af40ebac2e757c3a671a25493ca2ef1e7">◆ </a></span>has_infinity</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::has_infinity</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type has a representation for positive infinity. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00255">255</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a0a8471dcf6287585eae04a539926c324"></a> <h2 class="memtitle"><span class="permalink"><a href="#a0a8471dcf6287585eae04a539926c324">◆ </a></span>has_quiet_NaN</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::has_quiet_NaN</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type has a representation for a quiet (non-signaling) Not a Number. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00259">259</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ab9e32618933910efd38857f2b4c112f9"></a> <h2 class="memtitle"><span class="permalink"><a href="#ab9e32618933910efd38857f2b4c112f9">◆ </a></span>has_signaling_NaN</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::has_signaling_NaN</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type has a representation for a signaling Not a Number. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00263">263</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a73d31de0788cee8f432f0a9075e97a76"></a> <h2 class="memtitle"><span class="permalink"><a href="#a73d31de0788cee8f432f0a9075e97a76">◆ </a></span>is_bounded</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_bounded</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the set of values representable by the type is finite. All built-in types are bounded, this member would be false for arbitrary precision types. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00279">279</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a81640a55cbeb9fccfbedd74ce954a439"></a> <h2 class="memtitle"><span class="permalink"><a href="#a81640a55cbeb9fccfbedd74ce954a439">◆ </a></span>is_exact</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_exact</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type uses an exact representation. All integer types are exact, but not all exact types are integer. For example, rational and fixed-exponent representations are exact but not integer. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00231">231</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a76fdc688c82a37689f4920a9776fc593"></a> <h2 class="memtitle"><span class="permalink"><a href="#a76fdc688c82a37689f4920a9776fc593">◆ </a></span>is_iec559</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_iec559</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if-and-only-if the type adheres to the IEC 559 standard, also known as IEEE 754. (Only makes sense for floating point types.) </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00274">274</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a1080a407fe101570ab1a619fe8071396"></a> <h2 class="memtitle"><span class="permalink"><a href="#a1080a407fe101570ab1a619fe8071396">◆ </a></span>is_integer</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_integer</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type is integer. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00226">226</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a05f7c8b3b2be44d621e3fd1f0e738461"></a> <h2 class="memtitle"><span class="permalink"><a href="#a05f7c8b3b2be44d621e3fd1f0e738461">◆ </a></span>is_modulo</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_modulo</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type is <em>modulo</em>. A type is modulo if, for any operation involving +, -, or * on values of that type whose result would fall outside the range [min(),max()], the value returned differs from the true value by an integer multiple of max() - min() + 1. On most machines, this is false for floating types, true for unsigned integers, and true for signed integers. See PR22200 about signed integers. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00288">288</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ac9fad027d1b91ec445d58e5036e8ea0b"></a> <h2 class="memtitle"><span class="permalink"><a href="#ac9fad027d1b91ec445d58e5036e8ea0b">◆ </a></span>is_signed</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_signed</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if the type is signed. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00223">223</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ac5f6c4f5343b7060e87d95c2ddb406eb"></a> <h2 class="memtitle"><span class="permalink"><a href="#ac5f6c4f5343b7060e87d95c2ddb406eb">◆ </a></span>is_specialized</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::is_specialized</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>This will be true for all fundamental types (which have specializations), and false for everything else. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00206">206</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a1c62958a09eb69aba2a03a6e03b1574f"></a> <h2 class="memtitle"><span class="permalink"><a href="#a1c62958a09eb69aba2a03a6e03b1574f">◆ </a></span>max_digits10</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::max_digits10</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The number of base 10 digits required to ensure that values which differ are always differentiated. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00219">219</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ac68694be9c73ac6e36c3fe2ab1f18da4"></a> <h2 class="memtitle"><span class="permalink"><a href="#ac68694be9c73ac6e36c3fe2ab1f18da4">◆ </a></span>max_exponent</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::max_exponent</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The maximum positive integer such that <code>radix</code> raised to the power of (one less than that integer) is a representable finite floating point number. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00248">248</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="afa984ea44c90b032e00779a960af64ff"></a> <h2 class="memtitle"><span class="permalink"><a href="#afa984ea44c90b032e00779a960af64ff">◆ </a></span>max_exponent10</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::max_exponent10</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The maximum positive integer such that 10 raised to that power is in the range of representable finite floating point numbers. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00252">252</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="a2552b13ee696d6a61a0a037fef1dc1e0"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2552b13ee696d6a61a0a037fef1dc1e0">◆ </a></span>min_exponent</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::min_exponent</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The minimum negative integer such that <code>radix</code> raised to the power of (one less than that integer) is a normalized floating point number. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00239">239</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ad10027037371bb1138225df2876d5e6c"></a> <h2 class="memtitle"><span class="permalink"><a href="#ad10027037371bb1138225df2876d5e6c">◆ </a></span>min_exponent10</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::min_exponent10</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>The minimum negative integer such that 10 raised to that power is in the range of normalized floating point numbers. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00243">243</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="af69d3e469fe6b7e0de143494703ab04a"></a> <h2 class="memtitle"><span class="permalink"><a href="#af69d3e469fe6b7e0de143494703ab04a">◆ </a></span>radix</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr int std::__numeric_limits_base::radix</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>For integer types, specifies the base of the representation. For floating types, specifies the base of the exponent representation. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00235">235</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ae94127c8af226c7ebe44e9b39b80813b"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae94127c8af226c7ebe44e9b39b80813b">◆ </a></span>round_style</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr <a class="el" href="a01538.html#a53dbc8572a84ca50272f9e55a1e23e18">float_round_style</a> std::__numeric_limits_base::round_style</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>See std::float_round_style for more information. This is only meaningful for floating types; integer types will all be round_toward_zero. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00299">299</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="ad43f706bb453627342a50e9891ae8027"></a> <h2 class="memtitle"><span class="permalink"><a href="#ad43f706bb453627342a50e9891ae8027">◆ </a></span>tinyness_before</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::tinyness_before</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if tininess is detected before rounding. (see IEC 559) </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00294">294</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <a id="aada3546b2e0b32ecaef18c00e2b0dcfd"></a> <h2 class="memtitle"><span class="permalink"><a href="#aada3546b2e0b32ecaef18c00e2b0dcfd">◆ </a></span>traps</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">constexpr bool std::__numeric_limits_base::traps</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>True if trapping is implemented for this type. </p> <p class="definition">Definition at line <a class="el" href="a00095_source.html#l00291">291</a> of file <a class="el" href="a00095_source.html">limits</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a00095_source.html">limits</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="a01538.html">std</a></li><li class="navelem"><a class="el" href="a02516.html">__numeric_limits_base</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> </ul> </div> </body> </html>