128 lines
7.4 KiB
HTML
128 lines
7.4 KiB
HTML
<!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>std::piecewise_constant_distribution<RealType>::piecewise_constant_distribution</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_random_piecewise_constant_distribution_piecewise_constant_distribution skin-cppreference2 action-view cpp-navbar">
|
|
<div id="cpp-content-base">
|
|
<div id="content"><a id="top"></a>
|
|
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::piecewise_constant_distribution<RealType>::</span>piecewise_constant_distribution</h1>
|
|
<div id="bodyContent">
|
|
<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-numeric.html">numeric</a>‎ | <a href="cpp-numeric-random.html">random</a>‎ | <a href="cpp-numeric-random-piecewise_constant_distribution.html">piecewise constant distribution</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-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp">piecewise_constant_distribution<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
|
|
</td>
|
|
<td>(1)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> InputIt1, <span class="kw1">class</span> InputIt2 <span class="sy1">></span><br /></span>
|
|
<p>piecewise_constant_distribution<span class="br0">(</span> InputIt1 first_i, InputIt1 last_i,<br /></p>
|
|
InputIt2 first_w <span class="br0">)</span><span class="sy4">;</span></div>
|
|
</td>
|
|
<td>(2)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> UnaryOperation <span class="sy1">></span><br /></span>
|
|
<p>piecewise_constant_distribution<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1"><</span>RealType<span class="sy1">></span> bl,<br /></p>
|
|
UnaryOperation fw <span class="br0">)</span><span class="sy4">;</span></div>
|
|
</td>
|
|
<td>(3)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> UnaryOperation <span class="sy1">></span><br /></span>
|
|
<p>piecewise_constant_distribution<span class="br0">(</span> <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> nw,<br />
|
|
RealType xmin, RealType xmax,<br /></p>
|
|
UnaryOperation fw <span class="br0">)</span><span class="sy4">;</span></div>
|
|
</td>
|
|
<td>(4)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl t-since-cxx11">
|
|
<td>
|
|
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">explicit</span> piecewise_constant_distribution<span class="br0">(</span> <span class="kw4">const</span> param_type<span class="sy3">&</span> parm <span class="br0">)</span><span class="sy4">;</span></span></div>
|
|
</td>
|
|
<td>(5)</td>
|
|
<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
|
|
</tr>
|
|
<tr class="t-dcl-sep">
|
|
<td></td>
|
|
<td></td>
|
|
<td></td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
<p>构造新的 piecewise_constant_distribution 对象。</p>
|
|
<div class="t-li1"><span class="t-li">1)</span> 构造 <span class="texhtml" style="white-space: nowrap;">n = 1</span> 、 <span class="texhtml" style="white-space: nowrap;">ρ0 = 1</span> 、 <span class="texhtml" style="white-space: nowrap;">b0 = 0</span> 且 <span class="texhtml" style="white-space: nowrap;">b1 = 1</span> 的分布对象。</div>
|
|
<div class="t-li1"><span class="t-li">2)</span> 从区间序列 <code>[first_i, last_i)</code> 上的迭代器和始于 <code>first_w</code> 的匹配权重序列构造分布对象。</div>
|
|
<div class="t-li1"><span class="t-li">3)</span> 构造分布对象，其中区间取自 initializer_list <code>bl</code> 而权重以函数 <code>fw</code> 生成。</div>
|
|
<div class="t-li1"><span class="t-li">4)</span> 构造分布对象，拥有 <code>nw</code> 个均匀分布的区间 <code>[xmin, xmax]</code> ，而权重以函数 <code>fw</code> 生成。</div>
|
|
<div class="t-li1"><span class="t-li">5)</span> 构造以参数 <code>param</code> 初始化的分布对象。</div>
|
|
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
|
|
<table class="t-par-begin">
|
|
<tr class="t-par">
|
|
<td>first_i</td>
|
|
<td>-</td>
|
|
<td>初始化为指向区间序列起始的迭代器</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>last_i</td>
|
|
<td>-</td>
|
|
<td>初始化为指向区间序列末尾尾后一位置的迭代器</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>first_w</td>
|
|
<td>-</td>
|
|
<td>初始化为指向密度（权重）序列起始的迭代器</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>ilist_i</td>
|
|
<td>-</td>
|
|
<td>产出区间序列的 initializer_list</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>fw</td>
|
|
<td>-</td>
|
|
<td>产出密度的 double(double) 函数</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>nw</td>
|
|
<td>-</td>
|
|
<td>密度数量</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>xmin</td>
|
|
<td>-</td>
|
|
<td>区间序列下界</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>xmax</td>
|
|
<td>-</td>
|
|
<td>区间序列上界</td>
|
|
</tr>
|
|
<tr class="t-par">
|
|
<td>parm</td>
|
|
<td>-</td>
|
|
<td>分布参数集</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="visualClear"></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|