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<div class="section" id="triton-where">
<h1>triton.where<a class="headerlink" href="#triton-where" title="Permalink to this headline"></a></h1>
<dl class="py function">
<dt id="triton.where">
<code class="sig-prename descclassname"><span class="pre">triton.</span></code><code class="sig-name descname"><span class="pre">where</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">y</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">builder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#triton.where" title="Permalink to this definition"></a></dt>
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<dd><p>Returns a block of elements from either <code class="code docutils literal notranslate"><span class="pre">x</span></code> or <code class="code docutils literal notranslate"><span class="pre">y</span></code>, depending on <code class="code docutils literal notranslate"><span class="pre">condition</span></code>.</p>
<p>Note that <code class="code docutils literal notranslate"><span class="pre">x</span></code> and <code class="code docutils literal notranslate"><span class="pre">y</span></code> are always evaluated regardless of the value of <code class="code docutils literal notranslate"><span class="pre">condition</span></code>.</p>
<p>If you want to avoid unintented memory operations, use the <code class="code docutils literal notranslate"><span class="pre">mask</span></code> arguments in <cite>triton.load</cite> and <cite>triton.store</cite> instead.</p>
<p>The shape of <code class="code docutils literal notranslate"><span class="pre">x</span></code> and <code class="code docutils literal notranslate"><span class="pre">y</span></code> are both broadcast to the shape of <code class="code docutils literal notranslate"><span class="pre">condition</span></code>.
<code class="code docutils literal notranslate"><span class="pre">x</span></code> and <code class="code docutils literal notranslate"><span class="pre">y</span></code> must have the data type.</p>
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<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>condition</strong> (<em>Block of triton.bool</em>) – When True (nonzero), yield x, otherwise yield y.</p></li>
<li><p><strong>x</strong> – values selected at indices where condition is True.</p></li>
<li><p><strong>y</strong> – values selected at indices where condition is False.</p></li>
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<li><p><strong>builder</strong> (<em>triton.ir.builder</em><em>, </em><em>optional from within JIT'ed functions</em>) – IR builder to generate code into</p></li>
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