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<h1>her2k
<small>Interface</small>
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<h3>Contents</h3>
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<a class="list-group-item" href="../interface/her2k.html#proc-cher2k">cher2k</a>
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<h2>public interface her2k</h2>
<p>HER2K performs one of the hermitian rank 2k operations
C := alpha<em>A</em>B<strong>H + conjg( alpha )<em>B</em>A</strong>H + beta<em>C,
or
C := alpha</em>A<strong>H<em>B + conjg( alpha )</em>B</strong>H<em>A + beta</em>C,
where alpha and beta are scalars with beta real, C is an n by n
hermitian matrix and A and B are n by k matrices in the first case
and k by n matrices in the second case.</p>
<br>
<h2>Subroutines</h2>
<div class="card">
<div class="card-header codesum"><span class="anchor" id="proc-cher2k"></span> <h3>public pure subroutine cher2k(uplo, trans, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
</h3></div>
<div class="card-body">
<h4>Arguments</h4>
<table class="table table-striped varlist">
<thead>
<tr>
<th scope="col">Type</th>
<th scope="col">Intent</th><th scope="col">Optional</th> <th scope="col">Attributes</th>
<th scope="col"></th>
<th scope="col">Name</th>
<th scope="col"></th>
</thead>
<tbody>
<tr>
<td>
<span class="anchor" id="variable-uplo~84"></span>
character(len=1),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>uplo</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-trans~17"></span>
character(len=1),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>trans</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-n~355"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>n</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-k~165"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>k</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-alpha~67"></span>
complex(kind=sp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>alpha</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-a~554"></span>
complex(kind=sp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>a</strong>(lda,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-lda~119"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>lda</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-b~173"></span>
complex(kind=sp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>b</strong>(ldb,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-ldb~47"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>ldb</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-beta~41"></span>
real(kind=sp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>beta</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-c~51"></span>
complex(kind=sp),
</td>
<td>intent(inout)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>c</strong>(ldc,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-ldc~15"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>ldc</strong></td>
<td>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="card">
<div class="card-header codesum"><span class="anchor" id="proc-zher2k"></span> <h3>public pure subroutine zher2k(uplo, trans, n, k, alpha, a, lda, b, ldb, beta, c, ldc)
</h3></div>
<div class="card-body">
<h4>Arguments</h4>
<table class="table table-striped varlist">
<thead>
<tr>
<th scope="col">Type</th>
<th scope="col">Intent</th><th scope="col">Optional</th> <th scope="col">Attributes</th>
<th scope="col"></th>
<th scope="col">Name</th>
<th scope="col"></th>
</thead>
<tbody>
<tr>
<td>
<span class="anchor" id="variable-uplo~85"></span>
character(len=1),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>uplo</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-trans~18"></span>
character(len=1),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>trans</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-n~356"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>n</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-k~166"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>k</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-alpha~68"></span>
complex(kind=dp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>alpha</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-a~555"></span>
complex(kind=dp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>a</strong>(lda,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-lda~120"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>lda</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-b~174"></span>
complex(kind=dp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>b</strong>(ldb,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-ldb~48"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>ldb</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-beta~42"></span>
real(kind=dp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>beta</strong></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-c~52"></span>
complex(kind=dp),
</td>
<td>intent(inout)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>c</strong>(ldc,*)</td>
<td>
</td>
</tr>
<tr>
<td>
<span class="anchor" id="variable-ldc~16"></span>
integer(kind=ilp),
</td>
<td>intent(in)</td>
<td></td> <td>
</td>
<td>::</td>
<td><strong>ldc</strong></td>
<td>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<h2>Module Procedures</h2>
<div class="card">
<div class="card-header codesum"><span class="anchor" id="interface-stdlib_cher2k"></span> <h3>public interface <a href='stdlib_cher2k.html'>stdlib_cher2k</a>()
</h3></div>
<div class="card-body">
<h4>Arguments</h4>
<em>None</em>
</div>
</div>
<div class="card">
<div class="card-header codesum"><span class="anchor" id="interface-stdlib_zher2k"></span> <h3>public interface <a href='stdlib_zher2k.html'>stdlib_zher2k</a>()
</h3></div>
<div class="card-body">
<h4>Arguments</h4>
<em>None</em>
</div>
</div>
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