,incx)

   .. Scalar Arguments ..
   integer,intent(in)   :: incx,n
   character,intent(in) :: diag,trans,uplo
   ..
   .. Array Arguments ..
   real,intent(in)      :: ap(*)
   real,intent(inout)   :: x(*)
   ..
</code></pre></div>

<h2 id="definition">DEFINITION</h2>
<p>STPMV performs one of the matrix-vector operations</p>
<div class="codehilite"><pre><span></span><code><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="o">:=</span><span class="w"> </span><span class="n