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125 lines
5.0 KiB
HTML
125 lines
5.0 KiB
HTML
5 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html >
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<head><title>psb_rcv — Receive data</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="generator" content="TeX4ht (http://www.tug.org/tex4ht/)">
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<meta name="originator" content="TeX4ht (http://www.tug.org/tex4ht/)">
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<!-- html,3 -->
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<meta name="src" content="userhtml.tex">
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<link rel="stylesheet" type="text/css" href="userhtml.css">
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</head><body
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>
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<!--l. 702--><div class="crosslinks"><p class="noindent">[<a
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href="userhtmlsu72.html" >prev</a>] [<a
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href="userhtmlsu72.html#tailuserhtmlsu72.html" >prev-tail</a>] [<a
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href="userhtmlsu70.html#tailuserhtmlsu73.html">tail</a>] [<a
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href="userhtmlsu59.html#userhtmlsu75.html" >up</a>] </p></div>
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<h4 class="subsectionHead"><span class="titlemark">7.17 </span> <a
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id="x85-1220007.17"></a>psb_rcv — Receive data</h4>
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<div class="verbatim" id="verbatim-100">
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call psb_rcv(icontxt, dat, src, m)
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</div>
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<!--l. 706--><p class="nopar" >
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<!--l. 708--><p class="indent" > This subroutine receives a packet of data to a destination.
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<dl class="description"><dt class="description">
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<span
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class="cmbx-10">Type:</span> </dt><dd
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class="description">Synchronous: see usage notes.
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</dd><dt class="description">
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<span
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class="cmbx-10">On Entry</span> </dt><dd
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class="description">
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</dd><dt class="description">
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<span
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class="cmbx-10">icontxt</span> </dt><dd
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class="description">the communication context identifying the virtual parallel machine.<br
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class="newline" />Scope: <span
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class="cmbx-10">global</span>.<br
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class="newline" />Type: <span
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class="cmbx-10">required</span>.<br
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class="newline" />Intent: <span
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class="cmbx-10">in</span>.<br
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class="newline" />Specified as: an integer variable.
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</dd><dt class="description">
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<span
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class="cmbx-10">src</span> </dt><dd
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class="description">Source process.<br
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class="newline" />Scope: <span
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class="cmbx-10">global</span>.<br
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class="newline" />Type: <span
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class="cmbx-10">required</span>.<br
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class="newline" />Intent: <span
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class="cmbx-10">in</span>.<br
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class="newline" />Specified as: an integer value 0 <span
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class="cmmi-10"><</span>= <span
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class="cmmi-10">src <</span>= <span
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class="cmmi-10">np </span><span
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class="cmsy-10">- </span>1. <br
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class="newline" />
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</dd><dt class="description">
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<span
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class="cmbx-10">m</span> </dt><dd
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class="description">Number of rows.<br
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class="newline" />Scope: <span
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class="cmbx-10">global</span>.<br
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class="newline" />Type: <span
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class="cmbx-10">Optional</span>.<br
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class="newline" />Intent: <span
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class="cmbx-10">in</span>.<br
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class="newline" />Specified as: an integer value 0 <span
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class="cmmi-10"><</span>= <span
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class="cmmi-10">m <</span>= <span
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class="cmmi-10">size</span>(<span
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class="cmmi-10">dat,</span>1). <br
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class="newline" />When <span
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class="cmmi-10">dat </span>is a rank 2 array, specifies the number of rows to be sent
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independently of the leading dimension <span
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class="cmmi-10">size</span>(<span
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class="cmmi-10">dat,</span>1); must have the same
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value on sending and receiving processes.</dd></dl>
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<!--l. 734--><p class="indent" >
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<dl class="description"><dt class="description">
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<span
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class="cmbx-10">On Return</span> </dt><dd
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class="description">
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</dd><dt class="description">
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<span
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class="cmbx-10">dat</span> </dt><dd
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class="description">The data to be received.<br
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class="newline" />Scope: <span
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class="cmbx-10">local</span>.<br
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class="newline" />Type: <span
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class="cmbx-10">required</span>.<br
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class="newline" />Intent: <span
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class="cmbx-10">inout</span>.<br
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class="newline" />Specified as: an integer, real or complex variable, which may be a scalar,
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or a rank 1 or 2 array, or a character or logical scalar.  Type, kind and
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rank must agree on sender and receiver process; if <span
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class="cmmi-10">m </span>is not specified, size
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must agree as well.</dd></dl>
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<!--l. 746--><p class="noindent" ><span
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class="cmbx-12">Notes</span>
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<ol class="enumerate1" >
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<li
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class="enumerate" id="x85-122002x1">This subroutine implies a synchronization, but only between the calling
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process and the source process <span
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class="cmmi-10">src</span>.</li></ol>
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<!--l. 3--><div class="crosslinks"><p class="noindent">[<a
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href="userhtmlsu72.html" >prev</a>] [<a
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href="userhtmlsu72.html#tailuserhtmlsu72.html" >prev-tail</a>] [<a
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href="userhtmlsu73.html" >front</a>] [<a
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href="userhtmlsu59.html#userhtmlsu75.html" >up</a>] </p></div>
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<!--l. 3--><p class="indent" > <a
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id="tailuserhtmlsu73.html"></a>
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</body></html>
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