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