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<h4 class="subsectionHead"><span class="titlemark">10.4 </span> <a
id="x103-13900010.4"></a>descr &#8212; Prints a description of current preconditioner</h4>
<pre class="verbatim" id="verbatim-100">
call&#x00A0;prec%descr(info)
call&#x00A0;prec%descr(info,iout,&#x00A0;root)
</pre>
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<dl class="description"><dt class="description">
<span
class="cmbx-10">Type:</span> </dt><dd
class="description">Asynchronous.
</dd><dt class="description">
<span
class="cmbx-10">On Entry</span> </dt><dd
class="description">
</dd><dt class="description">
<span
class="cmbx-10">prec</span> </dt><dd
class="description">the preconditioner. Scope: <span
class="cmbx-10">local </span><br
class="newline" />Type: <span
class="cmbx-10">required</span><br
class="newline" />Intent: <span
class="cmbx-10">in</span>.<br
class="newline" />Specified as: a preconditioner data structure <a
href="userhtmlsu8.html#precdata"><span
class="cmtt-10">psb</span><span
class="cmtt-10">_prec</span><span
class="cmtt-10">_type</span></a>.
</dd><dt class="description">
<span
class="cmbx-10">iout</span> </dt><dd
class="description">output unit. Scope: <span
class="cmbx-10">local </span><br
class="newline" />Type: <span
class="cmbx-10">optional</span><br
class="newline" />Intent: <span
class="cmbx-10">in</span>.<br
class="newline" />Specified as: an integer number. Default: default output unit.
</dd><dt class="description">
<span
class="cmbx-10">root</span> </dt><dd
class="description">Process from which to print Scope: <span
class="cmbx-10">local </span><br
class="newline" />Type: <span
class="cmbx-10">optional</span><br
class="newline" />Intent: <span
class="cmbx-10">in</span>.<br
class="newline" />Specified as: an integer number between 0 and <span
class="cmmi-10">np </span><span
class="cmsy-10">- </span>1, in which case
the specified process will print the description, or <span
class="cmsy-10">-</span>1, in which case all
processes will print. Default: 0.
</dd><dt class="description">
<span
class="cmbx-10">On Return</span> </dt><dd
class="description">
</dd><dt class="description">
<span
class="cmbx-10">info</span> </dt><dd
class="description">Error code.<br
class="newline" />Scope: <span
class="cmbx-10">local </span><br
class="newline" />Type: <span
class="cmbx-10">required </span><br
class="newline" />Intent: <span
class="cmbx-10">out</span>.<br
class="newline" />An integer value; 0 means no error has been detected.</dd></dl>
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