tlass_1_1Coord.html">Coord&lt;Rank&gt;</a> size, Params params = Params(), <span class="keywordtype">int</span> grid_size = 0, <span class="keywordtype">int</span> block_size = 0) {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordflow">if</span> (!grid_size || !block_size) {</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div