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<div class="title">std::__numeric_limits_base Struct Reference</div> </div>
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Inheritance diagram for std::__numeric_limits_base:</div>
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Static Public Attributes</h2></td></tr>
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<tr class="memitem:a73f0cc2531cddced5d6e83310f7889f8"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02519.html#a73f0cc2531cddced5d6e83310f7889f8">has_denorm_loss</a></td></tr>
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<tr class="memitem:a73d31de0788cee8f432f0a9075e97a76"><td class="memItemLeft" align="right" valign="top">static constexpr bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02519.html#a73d31de0788cee8f432f0a9075e97a76">is_bounded</a></td></tr>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a6e3cb3ba2f8a6742d4759b989e5e3fed">◆ </a></span>digits</h2>
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<td class="memname">constexpr int std::__numeric_limits_base::digits</td>
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<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>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#afc9f9982a8b1c62c901eccdb07fcb5d9">◆ </a></span>has_denorm</h2>
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<td class="memname">constexpr <a class="el" href="a01541.html#a5d4e3dd02abab45dde95b5bb4ae7fdbf">float_denorm_style</a> std::__numeric_limits_base::has_denorm</td>
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<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>
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<td class="memname">constexpr bool std::__numeric_limits_base::has_denorm_loss</td>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a76fdc688c82a37689f4920a9776fc593">◆ </a></span>is_iec559</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a1080a407fe101570ab1a619fe8071396">◆ </a></span>is_integer</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a05f7c8b3b2be44d621e3fd1f0e738461">◆ </a></span>is_modulo</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ac9fad027d1b91ec445d58e5036e8ea0b">◆ </a></span>is_signed</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ac5f6c4f5343b7060e87d95c2ddb406eb">◆ </a></span>is_specialized</h2>
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<td class="memname">constexpr bool std::__numeric_limits_base::is_specialized</td>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a1c62958a09eb69aba2a03a6e03b1574f">◆ </a></span>max_digits10</h2>
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<td class="memname">constexpr int std::__numeric_limits_base::max_digits10</td>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ac68694be9c73ac6e36c3fe2ab1f18da4">◆ </a></span>max_exponent</h2>
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<td class="memname">constexpr int std::__numeric_limits_base::max_exponent</td>
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<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>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#a2552b13ee696d6a61a0a037fef1dc1e0">◆ </a></span>min_exponent</h2>
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<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>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#af69d3e469fe6b7e0de143494703ab04a">◆ </a></span>radix</h2>
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<td class="memname">constexpr int std::__numeric_limits_base::radix</td>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ae94127c8af226c7ebe44e9b39b80813b">◆ </a></span>round_style</h2>
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<td class="memname">constexpr <a class="el" href="a01541.html#a53dbc8572a84ca50272f9e55a1e23e18">float_round_style</a> std::__numeric_limits_base::round_style</td>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ad43f706bb453627342a50e9891ae8027">◆ </a></span>tinyness_before</h2>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#aada3546b2e0b32ecaef18c00e2b0dcfd">◆ </a></span>traps</h2>
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<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>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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