uTools-Manuals/docs/php/gmp_legendre.html
2019-04-28 19:00:34 +08:00

110 lines
4.4 KiB
HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Legendre symbol</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.gmp-legendre" class="refentry">
<div class="refnamediv">
<h1 class="refname">gmp_legendre</h1>
<p class="verinfo">(PHP 4 &gt;= 4.0.4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gmp_legendre</span> &mdash; <span class="dc-title">Legendre symbol</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.gmp-legendre-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>gmp_legendre</strong></span>
( <span class="methodparam"><span class="type"><a href="class.gmp.html" class="type GMP">GMP</a></span> <code class="parameter">$a</code></span>
, <span class="methodparam"><span class="type"><a href="class.gmp.html" class="type GMP">GMP</a></span> <code class="parameter">$p</code></span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
Compute the
<a href="http://primes.utm.edu/glossary/page.php?sort=LegendreSymbol" class="link external">&raquo;&nbsp;
Legendre symbol</a> of <code class="parameter">a</code> and
<code class="parameter">p</code>. <code class="parameter">p</code> should be odd
and must be positive.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.gmp-legendre-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">a</code></dt>
<dd>
<p class="para">可以是一个 GMP
数据 <span class="type"><span class="type resouce">resouce</span></span>,或一个可以转换为数值的字符串。</p>
</dd>
<dt>
<code class="parameter">p</code></dt>
<dd>
<p class="para">可以是一个 GMP
数据 <span class="type"><span class="type resouce">resouce</span></span>,或一个可以转换为数值的字符串。</p>
<p class="para">
Should be odd and must be positive.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gmp-legendre-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
GMP 数值<span class="type"><span class="type 资源">资源</span></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.gmp-legendre-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-4082">
<p><strong>Example #1 <span class="function"><strong>gmp_legendre()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">gmp_legendre</span><span style="color: #007700">(</span><span style="color: #DD0000">"1"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"3"</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #0000BB">gmp_legendre</span><span style="color: #007700">(</span><span style="color: #DD0000">"2"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"3"</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
<div class="example-contents"><p>以上例程会输出:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
1
0
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.gmp-legendre-seealso">
<h3 class="title">参见</h3>
<ul class="simplelist">
<li class="member"><span class="function"><a href="gmp_jacobi.html" class="function" rel="rdfs-seeAlso">gmp_jacobi()</a> - Jacobi symbol</span></li>
<li class="member"><span class="function"><a href="gmp_kronecker.html" class="function" rel="rdfs-seeAlso">gmp_kronecker()</a> - Kronecker symbol</span></li>
</ul>
</div>
</div></div></div></body></html>