<html>#2633: SummationByPart's Diff_gv aliased function does ont document which part of the grid the computed derivative is valid
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<tr><td style='text-align:right'> Reporter:</td><td>Roland Haas</td></tr>
<tr><td style='text-align:right'> Status:</td><td>new</td></tr>
<tr><td style='text-align:right'>Milestone:</td><td></td></tr>
<tr><td style='text-align:right'> Version:</td><td></td></tr>
<tr><td style='text-align:right'> Type:</td><td>bug</td></tr>
<tr><td style='text-align:right'> Priority:</td><td>minor</td></tr>
<tr><td style='text-align:right'>Component:</td><td></td></tr>
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<p>Looking at the code in SummationByParts</p>
<div class="codehilite language-fortran"><pre><span></span> <span class="k">case</span> <span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="n">direction</span>
<span class="k">if</span> <span class="p">(</span> <span class="n">bb</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span> <span class="p">)</span> <span class="k">then</span>
<span class="k"> </span><span class="n">il</span> <span class="o">=</span> <span class="mi">1</span> <span class="o">+</span> <span class="n">gsize</span> <span class="k">else</span>
<span class="k"> </span><span class="n">ol</span> <span class="o">=</span> <span class="n">offset</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="c">!$omp parallel workshare</span>
<span class="n">dvar</span><span class="p">(</span><span class="mi">1</span><span class="o">+</span><span class="n">ol</span><span class="p">,:,:)</span> <span class="o">=</span> <span class="p">(</span> <span class="n">q</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="n">var</span><span class="p">(</span><span class="mi">1</span><span class="o">+</span><span class="n">ol</span><span class="p">,:,:)</span> <span class="o">+</span> <span class="n">q</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="n">var</span><span class="p">(</span><span class="mi">2</span><span class="o">+</span><span class="n">ol</span><span class="p">,:,:)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">idel</span>
<span class="n">dvar</span><span class="p">(</span><span class="mi">2</
<p>--<br/>
Ticket URL: <a href='https://bitbucket.org/einsteintoolkit/tickets/issues/2633/summationbyparts-diff_gv-aliased-function'>https://bitbucket.org/einsteintoolkit/tickets/issues/2633/summationbyparts-diff_gv-aliased-function</a></p>
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