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root 2c3569dd39 Initial revision of AWIPS2 11.9.0-7p5 
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<a href="Scientific-module.html">Package&nbsp;Scientific</a> ::
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Class&nbsp;ParValue
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class ParValue</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
|
<strong class="uidshort">ParValue</strong>
</pre>
<dl><dt>Known Subclasses:</dt>
<dd>
<ul class="subclass-list">
<li><a href="Scientific.BSP.ParAccumulator-class.html">ParAccumulator</a></li><li>, <a href="Scientific.BSP.ParConstant-class.html">ParConstant</a></li><li>, <a href="Scientific.BSP.ParData-class.html">ParData</a></li><li>, <a href="Scientific.BSP.ParFunction-class.html">ParFunction</a></li><li>, <a href="Scientific.BSP.ParMessages-class.html">ParMessages</a></li><li>, <a href="Scientific.BSP.ParSequence-class.html">ParSequence</a></li><li>, <a href="Scientific.BSP.ParTuple-class.html">ParTuple</a></li> </ul>
</dd></dl>
<hr />
<p>Global data</p>
<p>ParValue instances are created internally, but are not meant to be
created directly by application programs. Use the subclasses instead.</p>
<p>ParValue objects (and those of subclasses) implement the standard
arithmetic and comparison operations. They also support attribute
requests which are passed on to the local values; the return values are
ParValue objects. ParValue objects can also be called if their local
values are callable.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
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<td><span class="summary-sig"><a name="__add__"></a><span class="summary-sig-name">__add__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__call__"></a><span class="summary-sig-name">__call__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__div__"></a><span class="summary-sig-name">__div__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__divmod__"></a><span class="summary-sig-name">__divmod__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__eq__"></a><span class="summary-sig-name">__eq__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__ge__"></a><span class="summary-sig-name">__ge__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__getattr__"></a><span class="summary-sig-name">__getattr__</span>(<span class="summary-sig-arg">self</span>,
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<td><span class="summary-sig"><a name="__getitem__"></a><span class="summary-sig-name">__getitem__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">item</span>)</span></td>
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<td><span class="summary-sig"><a name="__gt__"></a><span class="summary-sig-name">__gt__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">value</span>,
<span class="summary-sig-arg">valid</span>=<span class="summary-sig-default">True</span>)</span><br />
x.__init__(...) initializes x; see x.__class__.__doc__ for signature</td>
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<td><span class="summary-sig"><a name="__le__"></a><span class="summary-sig-name">__le__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<td><span class="summary-sig"><a name="__len__"></a><span class="summary-sig-name">__len__</span>(<span class="summary-sig-arg">self</span>)</span></td>
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<td><span class="summary-sig"><a name="__lt__"></a><span class="summary-sig-name">__lt__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<td><span class="summary-sig"><a name="__mod__"></a><span class="summary-sig-name">__mod__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<td><span class="summary-sig"><a name="__mul__"></a><span class="summary-sig-name">__mul__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<td><span class="summary-sig"><a name="__ne__"></a><span class="summary-sig-name">__ne__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a name="__neg__"></a><span class="summary-sig-name">__neg__</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
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<td><span class="summary-sig"><a name="__nonzero__"></a><span class="summary-sig-name">__nonzero__</span>(<span class="summary-sig-arg">self</span>)</span></td>
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<td><span class="summary-sig"><a name="__pow__"></a><span class="summary-sig-name">__pow__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
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<span class="summary-type">&nbsp;</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#__repr__" class="summary-sig-name">__repr__</a>(<span class="summary-sig-arg">self</span>)</span><br />
str(x)</td>
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<span class="summary-type">&nbsp;</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#__str__" class="summary-sig-name">__str__</a>(<span class="summary-sig-arg">self</span>)</span><br />
str(x)</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a name="__sub__"></a><span class="summary-sig-name">__sub__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span></td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#accumulate" class="summary-sig-name">accumulate</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">operator</span>,
<span class="summary-sig-arg">zero</span>)</span><br />
Perform an accumulation over the local values of all processors.</td>
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</td>
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</table>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">Local <code>bool</code></span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#alltrue" class="summary-sig-name">alltrue</a>(<span class="summary-sig-arg">self</span>)</span><br />
Returns:
<code>True</code> if the local values on all processors are true.</td>
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</td>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">Local <code>bool</code></span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#anytrue" class="summary-sig-name">anytrue</a>(<span class="summary-sig-arg">self</span>)</span><br />
Returns:
<code>True</code> if at least one of the local values on all
processors is true.</td>
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</td>
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</table>
</td>
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<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#broadcast" class="summary-sig-name">broadcast</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">from_pid</span>=<span class="summary-sig-default">0</span>)</span><br />
Transmit the local data of one processor to all processors.</td>
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</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#fullExchange" class="summary-sig-name">fullExchange</a>(<span class="summary-sig-arg">self</span>)</span><br />
Transmit the local data of each processor to all other processors.</td>
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</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#get" class="summary-sig-name">get</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">pid_list</span>)</span><br />
Request the local data from all specified processors.</td>
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</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="getattr"></a><span class="summary-sig-name">getattr</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">attr</span>)</span></td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="map"></a><span class="summary-sig-name">map</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">function</span>)</span></td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#put" class="summary-sig-name">put</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">pid_list</span>)</span><br />
Send the local data to all specified processors.</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="Scientific.BSP.ParValue-class.html#reduce" class="summary-sig-name">reduce</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">operator</span>,
<span class="summary-sig-arg">zero</span>)</span><br />
Perform a reduction over the local values of all processors.</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__new__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__setattr__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== CLASS VARIABLES ==================== -->
<a name="section-ClassVariables"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Class Variables</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a name="is_parvalue"></a><span class="summary-name">is_parvalue</span> = <code title="1">1</code>
</td>
</tr>
</table>
<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Properties</span></td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Method Details</span></td>
</tr>
</table>
<a name="__init__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">value</span>,
<span class="sig-arg">valid</span>=<span class="sig-default">True</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>x.__init__(...) initializes x; see x.__class__.__doc__ for
signature</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>value</code></strong> (any) - the local value</li>
<li><strong class="pname"><code>valid</code></strong> - <code>True</code> if the value is valid, <code>False</code> if it
is not. Invalid values are not treated, any operation on them
produces an invalid result.</li>
</ul></dd>
<dt>Overrides:
object.__init__
</dt>
</dl>
</td></tr></table>
</div>
<a name="__repr__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__repr__</span>(<span class="sig-arg">self</span>)</span>
<br /><em class="fname">(Representation operator)</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>str(x)</p>
<dl class="fields">
<dt>Overrides:
object.__repr__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="__str__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__str__</span>(<span class="sig-arg">self</span>)</span>
<br /><em class="fname">(Informal representation operator)</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>str(x)</p>
<dl class="fields">
<dt>Overrides:
object.__str__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="accumulate"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">accumulate</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">operator</span>,
<span class="sig-arg">zero</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Perform an accumulation over the local values of all processors.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>operator</code></strong> (function of two variables) - the binary operator used in the accumulation</li>
<li><strong class="pname"><code>zero</code></strong> (any) - the initial value of the accumulation</li>
</ul></dd>
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>on each processor, the reduction of the values from processors
with a lower or equal number</dd>
</dl>
</td></tr></table>
</div>
<a name="alltrue"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">alltrue</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<dl class="fields">
<dt>Returns: Local <code>bool</code></dt>
<dd><code>True</code> if the local values on all processors are true.</dd>
</dl>
</td></tr></table>
</div>
<a name="anytrue"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">anytrue</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<dl class="fields">
<dt>Returns: Local <code>bool</code></dt>
<dd><code>True</code> if at least one of the local values on all
processors is true.</dd>
</dl>
</td></tr></table>
</div>
<a name="broadcast"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">broadcast</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">from_pid</span>=<span class="sig-default">0</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Transmit the local data of one processor to all processors.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>from_pid</code></strong> (<code>int</code>) - the ID of the processor that sends data</li>
</ul></dd>
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>the transmitted data on all processors</dd>
</dl>
</td></tr></table>
</div>
<a name="fullExchange"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">fullExchange</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Transmit the local data of each processor to all other processors.</p>
<dl class="fields">
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>the transmitted data on all processors</dd>
</dl>
</td></tr></table>
</div>
<a name="get"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">get</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">pid_list</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Request the local data from all specified processors.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>pid_list</code></strong> (Global <code>list</code> of <code>int</code>) - a list of processor IDs to which the data is sent.</li>
</ul></dd>
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>a global object whose local value is a list of all the data
received from other processors. The order of the data in that
list is not defined.</dd>
</dl>
</td></tr></table>
</div>
<a name="put"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">put</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">pid_list</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Send the local data to all specified processors.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>pid_list</code></strong> (Global <code>list</code> of <code>int</code>) - a list of processor IDs to which the data is sent.</li>
</ul></dd>
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>a global object whose local value is a list of all the data
received from other processors. The order of the data in that
list is not defined.</dd>
</dl>
</td></tr></table>
</div>
<a name="reduce"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">reduce</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">operator</span>,
<span class="sig-arg">zero</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<p>Perform a reduction over the local values of all processors.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>operator</code></strong> (function of two variables) - the binary operator used in the reduction</li>
<li><strong class="pname"><code>zero</code></strong> (any) - the initial value of the reduction</li>
</ul></dd>
<dt>Returns: <a href="Scientific.BSP.ParValue-class.html"
class="link">ParValue</a></dt>
<dd>the reduction on processor 0, zero elsewhere</dd>
</dl>
</td></tr></table>
</div>
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