div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>                <span class="stringliteral">&quot;Dimension mismatch in SPMV!&quot;</span>);</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>    <span class="keywordflow">if</span>(b != T{0})</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    {</div>
<