Imported Upstream version 1.72.0
[platform/upstream/boost.git] / libs / histogram / doc / html / boost / histogram / accumulators / weighted_mean.html
index 1a3adc2..f7fb9d0 100644 (file)
 <span class="keyword">class</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">{</span>
 <span class="keyword">public</span><span class="special">:</span>
   <span class="comment">// <a class="link" href="weighted_mean.html#boost.histogram.accumulators.weighted_meanconstruct-copy-destruct">construct/copy/destruct</a></span>
-  <a class="link" href="weighted_mean.html#idm45525156192528-bb"><span class="identifier">weighted_mean</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
-  <a class="link" href="weighted_mean.html#idm45525156191968-bb"><span class="identifier">weighted_mean</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> 
+  <a class="link" href="weighted_mean.html#idm45414525076144-bb"><span class="identifier">weighted_mean</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
+  <a class="link" href="weighted_mean.html#idm45414525075584-bb"><span class="identifier">weighted_mean</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> 
                 <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 
-  <span class="comment">// <a class="link" href="weighted_mean.html#idm45525156214144-bb">public member functions</a></span>
-  <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45525156213584-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45525156212048-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45525156209824-bb"><span class="keyword">operator</span><span class="special">+=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45525156206704-bb"><span class="keyword">operator</span> <span class="special">*=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <span class="comment">// <a class="link" href="weighted_mean.html#idm45414525099328-bb">public member functions</a></span>
+  <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45414525098768-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45414525097232-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../weight_type.html" title="Struct template weight_type">weight_type</a><span class="special">&lt;</span> <span class="identifier">RealType</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45414525094560-bb"><span class="keyword">operator</span><span class="special">+=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45414525091440-bb"><span class="keyword">operator</span> <span class="special">*=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
-    <span class="keyword">bool</span> <a class="link" href="weighted_mean.html#idm45525156204880-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
-  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">bool</span> <a class="link" href="weighted_mean.html#idm45525156201776-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
-  <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45525156199120-bb"><span class="identifier">sum_of_weights</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
-  <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45525156198000-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
-  <span class="identifier">RealType</span> <a class="link" href="weighted_mean.html#idm45525156196880-bb"><span class="identifier">variance</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
-  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45525156195760-bb"><span class="identifier">serialize</span></a><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span>
+    <span class="keyword">bool</span> <a class="link" href="weighted_mean.html#idm45414525089616-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
+  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">bool</span> <a class="link" href="weighted_mean.html#idm45414525086512-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
+  <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45414525083856-bb"><span class="identifier">sum_of_weights</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
+  <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45414525082736-bb"><span class="identifier">sum_of_weights_squared</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
+  <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a class="link" href="weighted_mean.html#idm45414525081616-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
+  <span class="identifier">RealType</span> <a class="link" href="weighted_mean.html#idm45414525080496-bb"><span class="identifier">variance</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="weighted_mean.html#idm45414525079376-bb"><span class="identifier">serialize</span></a><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span>
 <span class="special">}</span><span class="special">;</span></pre></div>
 <div class="refsect1">
-<a name="idm45952482356064"></a><h2>Description</h2>
+<a name="idm45212148542304"></a><h2>Description</h2>
 <p>Uses West's incremental algorithm to improve numerical stability of mean and variance computation. </p>
 <div class="refsect2">
-<a name="idm45952482355280"></a><h3>
+<a name="idm45212148541520"></a><h3>
 <a name="boost.histogram.accumulators.weighted_meanconstruct-copy-destruct"></a><code class="computeroutput">weighted_mean</code> 
         public
        construct/copy/destruct</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
-<li class="listitem"><pre class="literallayout"><a name="idm45525156192528-bb"></a><span class="identifier">weighted_mean</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><a name="idm45525156191968-bb"></a><span class="identifier">weighted_mean</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> wsum<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> wsum2<span class="special">,</span> 
+<li class="listitem"><pre class="literallayout"><a name="idm45414525076144-bb"></a><span class="identifier">weighted_mean</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><a name="idm45414525075584-bb"></a><span class="identifier">weighted_mean</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> wsum<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> wsum2<span class="special">,</span> 
               <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> mean<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> variance<span class="special">)</span><span class="special">;</span></pre></li>
 </ol></div>
 </div>
 <div class="refsect2">
-<a name="idm45952482334064"></a><h3>
-<a name="idm45525156214144-bb"></a><code class="computeroutput">weighted_mean</code> public member functions</h3>
+<a name="idm45212148520384"></a><h3>
+<a name="idm45414525099328-bb"></a><code class="computeroutput">weighted_mean</code> public member functions</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
-<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45525156213584-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45525156212048-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> w<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45414525098768-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45414525097232-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../weight_type.html" title="Struct template weight_type">weight_type</a><span class="special">&lt;</span> <span class="identifier">RealType</span> <span class="special">&gt;</span> <span class="special">&amp;</span> w<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
 <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
-  <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a name="idm45525156209824-bb"></a><span class="keyword">operator</span><span class="special">+=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a name="idm45525156206704-bb"></a><span class="keyword">operator</span> <span class="special">*=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> s<span class="special">)</span><span class="special">;</span></pre></li>
+  <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a name="idm45414525094560-bb"></a><span class="keyword">operator</span><span class="special">+=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a> <span class="special">&amp;</span> <a name="idm45414525091440-bb"></a><span class="keyword">operator</span> <span class="special">*=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> s<span class="special">)</span><span class="special">;</span></pre></li>
 <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
-  <span class="keyword">bool</span> <a name="idm45525156204880-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> rhs<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">bool</span> <a name="idm45525156201776-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span> rhs<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a name="idm45525156199120-bb"></a><span class="identifier">sum_of_weights</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a name="idm45525156198000-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="identifier">RealType</span> <a name="idm45525156196880-bb"></a><span class="identifier">variance</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idm45525156195760-bb"></a><span class="identifier">serialize</span><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span></pre></li>
+  <span class="keyword">bool</span> <a name="idm45414525089616-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="weighted_mean.html" title="Class template weighted_mean">weighted_mean</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> rhs<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">bool</span> <a name="idm45414525086512-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span> rhs<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a name="idm45414525083856-bb"></a><span class="identifier">sum_of_weights</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a name="idm45414525082736-bb"></a><span class="identifier">sum_of_weights_squared</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">RealType</span> <span class="special">&amp;</span> <a name="idm45414525081616-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="identifier">RealType</span> <a name="idm45414525080496-bb"></a><span class="identifier">variance</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idm45414525079376-bb"></a><span class="identifier">serialize</span><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span> ar<span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span></pre></li>
 </ol></div>
 </div>
 </div>