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<h1><span class="section-number">7.15.18. </span>rand<a class="headerlink" href="#rand" title="Permalink to this headline">¶</a></h1>
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<h2><span class="section-number">7.15.18.1. </span>名前<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>rand - 乱数を生成する</p>
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<h2><span class="section-number">7.15.18.2. </span>書式<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>rand([max])
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<h2><span class="section-number">7.15.18.3. </span>説明<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
<p>Groonga組込関数の一つであるrandについて説明します。組込関数は、script形式のgrn_expr中で呼び出すことができます。</p>
<p>rand() 関数は 0 から max の間の疑似乱数整数を返します。</p>
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<h2><span class="section-number">7.15.18.4. </span>引数<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">max</span></code></p>
<blockquote>
<div><p>返値の最大値を指定します。省略した場合は RAND_MAX が指定されたものとみなされます。</p>
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<h2><span class="section-number">7.15.18.5. </span>返値<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h2>
<p>0 と max の間の数を表すInt32型の値を返します。</p>
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<h2><span class="section-number">7.15.18.6. </span>例<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>rand(10)
3
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<li><a class="reference internal" href="#">7.15.18. rand</a><ul>
<li><a class="reference internal" href="#id1">7.15.18.1. 名前</a></li>
<li><a class="reference internal" href="#id2">7.15.18.2. 書式</a></li>
<li><a class="reference internal" href="#id3">7.15.18.3. 説明</a></li>
<li><a class="reference internal" href="#id4">7.15.18.4. 引数</a></li>
<li><a class="reference internal" href="#id5">7.15.18.5. 返値</a></li>
<li><a class="reference internal" href="#id6">7.15.18.6. 例</a></li>
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