📄 function.lcg-value.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Combined linear congruential generator</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.is-nan.html">is_nan</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.log10.html">log10</a></div> <div class="up"><a href="ref.math.html">Math Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.lcg-value" class="refentry"> <div class="refnamediv"> <h1 class="refname">lcg_value</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">lcg_value</span> — <span class="dc-title">Combined linear congruential generator</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">float</span> <span class="methodname"><b><b>lcg_value</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> <b>lcg_value()</b> returns a pseudo random number in the range of (0, 1). The function combines two CGs with periods of 2^31 - 85 and 2^31 - 249. The period of this function is equal to the product of both primes. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> A pseudo random float value in the range of (0, 1) </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.rand.html" class="function" rel="rdfs-seeAlso">rand()</a></li> <li class="member"><a href="function.mt-rand.html" class="function" rel="rdfs-seeAlso">mt_rand()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.is-nan.html">is_nan</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.log10.html">log10</a></div> <div class="up"><a href="ref.math.html">Math Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -