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<h1>calc_median
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<small>Function</small>
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<h2> function calc_median(a, mid) result(r)
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</h2>
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<h3>Arguments</h3>
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<table class="table table-striped varlist">
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<thead>
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<tr>
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<th>Type</th>
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<th>Intent</th><th>Optional</th> <th>Attributes</th>
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<th></th>
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<th>Name</th>
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<th></th>
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</thead>
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<tbody>
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<td>
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<span class="anchor" id="variable-a~48"></span>
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real(kind=8),
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</td>
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<td>intent(in)</td>
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<td></td> <td>
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</td>
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<td>::</td>
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<td><strong>a</strong>(:)</td>
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<td>
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</td>
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</tr>
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<tr>
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<td>
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<span class="anchor" id="variable-mid"></span>
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integer,
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</td>
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<td>intent(out),</td>
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<td>optional</td> <td>
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</td>
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<td>::</td>
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<td><strong>mid</strong></td>
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<td>
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</td>
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</tr>
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</tbody>
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</table>
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<h3>Return Value
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<small>
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<span class="anchor" id="variable-r~66"></span>
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real(kind=8)
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</small>
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</h3>
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<br>
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<a class="list-group-item" href="../proc/calc_median.html#variable-m">m</a>
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<br class="visible-xs visible-sm hidden-md">
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<section>
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<h2>Variables</h2>
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<table class="table table-striped varlist">
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<thead>
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<tr>
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<th>Type</th>
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<th>Visibility</th> <th>Attributes</th>
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<th></th>
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<th>Name</th>
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<th></th><th>Initial</th> <th></th>
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<tbody>
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<td>
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<span class="anchor" id="variable-m"></span>
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integer,
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</td>
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<td>public</td>
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<td>
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</td>
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<td>::</td>
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<td><strong>m</strong></td>
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<td></td>
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<td></td>
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<td>
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</td>
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</tr>
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<tr>
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<td>
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<span class="anchor" id="variable-n~2"></span>
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integer,
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</td>
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<td>public</td>
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<td>
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</td>
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<td>::</td>
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<td><strong>n</strong></td>
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<td></td>
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<td></td>
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<td>
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</td>
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<br>
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<section>
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<h2><span class="anchor" id="src"></span>Source Code</h2>
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<div class="highlight"><pre><span></span><span class="w"> </span><span class="k">function </span><span class="n">calc_median</span><span class="p">(</span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="n">mid</span><span class="p">)</span><span class="w"> </span><span class="k">result</span><span class="p">(</span><span class="n">r</span><span class="p">)</span><span class="w"></span>
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<span class="w"> </span><span class="kt">real</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">a</span><span class="p">(:)</span><span class="w"></span>
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<span class="w"> </span><span class="kt">integer</span><span class="p">,</span><span class="w"> </span><span class="k">intent</span><span class="p">(</span><span class="n">out</span><span class="p">),</span><span class="w"> </span><span class="k">optional</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">mid</span><span class="w"></span>
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<span class="w"> </span><span class="kt">real</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">r</span><span class="w"></span>
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<span class="w"> </span><span class="kt">integer</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">m</span><span class="p">,</span><span class="w"> </span><span class="n">n</span><span class="w"></span>
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<span class="w"> </span><span class="n">n</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">size</span><span class="p">(</span><span class="n">a</span><span class="p">)</span><span class="w"></span>
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<span class="w"> </span><span class="n">m</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">n</span><span class="o">/</span><span class="mi">2</span><span class="w"></span>
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<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">mod</span><span class="p">(</span><span class="n">n</span><span class="p">,</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">then</span>
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<span class="k"> </span><span class="n">r</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">a</span><span class="p">(</span><span class="n">m</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">a</span><span class="p">(</span><span class="n">m</span><span class="o">+</span><span class="mi">1</span><span class="p">))</span><span class="o">/</span><span class="mf">2.0d0</span><span class="w"></span>
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<span class="w"> </span><span class="k">else</span>
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<span class="k"> </span><span class="n">m</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">m</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="w"></span>
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<span class="w"> </span><span class="n">r</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">a</span><span class="p">(</span><span class="n">m</span><span class="p">)</span><span class="w"></span>
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<span class="w"> </span><span class="k">end if</span>
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<span class="k"> if</span><span class="w"> </span><span class="p">(</span><span class="nb">present</span><span class="p">(</span><span class="n">mid</span><span class="p">))</span><span class="w"> </span><span class="k">then</span>
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<span class="k"> </span><span class="n">mid</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">m</span><span class="w"></span>
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<span class="w"> </span><span class="k">end if</span>
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<span class="k"> end function </span><span class="n">calc_median</span><span class="w"></span>
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</pre></div>
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