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Lines changed: 16 additions & 4 deletions b/‎reference/cmath/double_t.html
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@@ -68,7 +68,7 @@
 
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+<header data-kunai-mdinfo="{&#34;meta&#34;: {&#34;header&#34;: [&#34;cmath&#34;], &#34;namespace&#34;: [&#34;std&#34;], &#34;id-type&#34;: [&#34;type-alias&#34;], &#34;cpp&#34;: [&#34;cpp11&#34;]}, &#34;sources&#34;: [{&#34;id&#34;: &#34;ddfe4d3ad71feeeae6bdba7d8e0642283246a55f&#34;, &#34;source&#34;: &#34;#include &lt;cmath&gt;\n#include &lt;iostream&gt;\nint main() {\n    std::double_t num = 1.00001;\n    std::cout &lt;&lt; num &lt;&lt; std::endl;\n}\n&#34;}], &#34;page_id&#34;: [&#34;reference&#34;, &#34;cmath&#34;, &#34;double_t&#34;]}">
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@@ -188,12 +188,12 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2024-06-11T13:45:38">
-        2024年06月11日 13時45分38秒
+      <span itemprop="datePublished" content="2025-04-23T04:49:45">
+        2025年04月23日 04時49分45秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-        <span itemprop="name">Akira Takahashi</span>
+        <span itemprop="name">rotarymars</span>
       </span>
       が更新
     </small></p>
@@ -221,6 +221,18 @@
 <h2>概要</h2>
 <p><code>double</code> と同じかそれより広い範囲の値を持つ浮動小数点数型を表す。</p>
 <p><code><a href="../cfloat/flt_eval_method.html">FLT_EVAL_METHOD</a></code> が 0 または 1 のとき <code>double</code>, 2 のとき <code>long double</code>, それ以外の場合は実装依存。</p>
+<h2>使用例</h2>
+<p><div class="yata" id="ddfe4d3ad71feeeae6bdba7d8e0642283246a55f"><div class="codehilite"><pre><span></span><code><span class="cp">#include</span> <span class="cpf"><a href="../cmath.html">&lt;cmath&gt;</a></span><span class="cp"></span>
+<span class="cp">#include</span> <span class="cpf"><a href="../iostream.html">&lt;iostream&gt;</a></span><span class="cp"></span>
+<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
+    <span class="n">std</span><span class="o">::</span><span class="n">double_t</span> <span class="n">num</span> <span class="o">=</span> <span class="mf">1.00001</span><span class="p">;</span>
+    <span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o">&lt;&lt;</span> <span class="n">num</span> <span class="o">&lt;&lt;</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span>
+<span class="p">}</span>
+</code></pre></div>
+</div></p>
+<h2>出力例</h2>
+<p><pre><code>1.00001
+</code></pre></p>
 <h2>バージョン</h2>
 <h3>言語</h3>
 <ul>