   double precision,intent(in)    :: a(lda,*),b(ldb,*)
   double precision,intent(inout) :: c(ldc,*)
   ..
</code></pre></div>

<h2 id="definition">DEFINITION</h2>
<p>DGEMM performs one of the matrix-matrix operations</p>
<div class="codehilite"><pre><span></span><code><span class="w"> </span><span class="nv">C</span><span class="w"> </span><span class="o">:=</span><span class="w"> </span><span class="nv">alpha</span><span class="o">*</span><span class="nf">op</span><span class="p">(</span><span class="w"> 