klarkxy/hustoj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
96b9eb57e2b0c2deeeac982c17075ee85aaa7603
hustoj/web/cppreference-zh/chmhelp/cpp-numeric-complex-operator_cmp.html
klarkxy 196e706fe4 上传cppreference
2025-08-01 12:57:54 +08:00

218 lines
14 KiB
HTML
Raw Blame History

<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>operator==,!=(std::complex)</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_numeric_complex_operator_cmp skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading">operator==,!=<span class="t-dsc-small">(std::complex)</span></h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-numeric.html">numeric</a>&lrm; | <a href="cpp-numeric-complex.html">complex</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
<tbody>
<tr class="t-dsc-header">
<td>
<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-complex.html">&lt;complex&gt;</a></code></div>
</td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(1)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(2)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> T<span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> T<span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(3)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14 t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(4)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14 t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(5)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> T<span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14 t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> T<span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(6)</td>
<td></td>
</tr>
<tr class="t-dcl t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14 t-until-cxx20">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> complex<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">)</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx20">(C++20 &#21069;)</span></td>
</tr>
</tbody>
<tbody>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p>&#27604;&#36739;&#32780;&#20108;&#20010;&#22797;&#25968;&#12290;&#26631;&#37327;&#21442;&#25968;&#34987;&#24403;&#20570;&#25317;&#26377;&#31561;&#20110;&#21442;&#25968;&#30340;&#23454;&#37096;&#21644;&#35774;&#20026;&#38646;&#30340;&#34394;&#37096;&#30340;&#22797;&#25968;&#12290;</p>
<div class="t-li1"><span class="t-li">1-3)</span> &#27604;&#36739; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#30456;&#31561;&#24615;&#12290;</div>
<div class="t-li1"><span class="t-li">4-6)</span> &#27604;&#36739; <code>lhs</code> &#19982; <code>rhs</code> &#30340;&#19981;&#31561;&#24615;&#12290;</div>
<table class="t-rev-begin">
<tr class="t-rev t-since-cxx20">
<td>
<p><code>!=</code> &#36816;&#31639;&#31526;&#20174; <code>operator==</code> <a href="cpp-language-operators.html#.E5.85.B3.E7.B3.BB.E8.BF.90.E7.AE.97.E7.AC.A6">&#21512;&#25104;</a>&#12290;</p>
</td>
<td><span class="t-mark-rev t-since-cxx20">(C++20 &#36215;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>lhs, rhs</td>
<td>-</td>
<td>&#35201;&#27604;&#36739;&#30340;&#21442;&#25968;&#65306;&#35201;&#20040;&#37117;&#26159;&#22797;&#25968;&#65292;&#35201;&#20040;&#26159;&#19968;&#20010;&#22797;&#25968;&#21644;&#21478;&#19968;&#20010;&#21305;&#37197;&#31867;&#22411;&#65288; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">float</span></span></span> &#12289; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">double</span></span></span> &#12289; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">long</span> <span class="kw4">double</span></span></span> &#65289;&#30340;&#26631;&#37327;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<div class="t-li1"><span class="t-li">1-3)</span> &#33509; <code>lhs</code> &#20004;&#37096;&#20998;&#21035;&#31561;&#20110; <code>rhs</code> &#65292;&#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#65292;&#21542;&#21017;&#20026; <code>false</code> &#12290;</div>
<div class="t-li1"><span class="t-li">4-6)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">!</span><span class="br0">(</span>lhs <span class="sy1">==</span> rhs<span class="br0">)</span></span></span></div>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
<tr>
<td class="mbox-empty-cell"></td>
<td class="mbox-text" style="">&#26412;&#33410;&#26410;&#23436;&#25104;<br />
&#21407;&#22240;&#65306;&#26242;&#26080;&#31034;&#20363;</td>
</tr>
</table>
<a href="https://zh.cppreference.com/mwiki/index.php?title=ry:cpp/numeric/complex/operator_cmp&amp;action=edit&amp;redlink=1" class="new" title="ry:cpp/numeric/complex/operator cmp&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;">ry:cpp/numeric/complex/operator cmp</a></div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink