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216 lines
9.0 KiB
HTML
216 lines
9.0 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_gediv — Entrywise Division</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. 1309--><div class="crosslinks"><p class="noindent">[<a
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href="userhtmlsu27.html" >next</a>] [<a
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href="userhtmlsu23.html" >prev</a>] [<a
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href="userhtmlsu23.html#tailuserhtmlsu23.html" >prev-tail</a>] [<a
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href="userhtmlsu21.html#tailuserhtmlsu24.html">tail</a>] [<a
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href="userhtmlsu12.html#userhtmlsu26.html" >up</a>] </p></div>
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<h4 class="subsectionHead"><span class="titlemark">4.15 </span> <a
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id="x33-700004.15"></a>psb_gediv — Entrywise Division</h4>
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<!--l. 1311--><p class="noindent" >This function computes the entrywise division between two vectors <span
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class="cmmi-10">x </span>and
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<span
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class="cmmi-10">y</span>
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<center class="math-display" >
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<img
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src="userhtml23x.png" alt="∕ ← x(i)∕y(i).
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" class="math-display" ></center>
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<!--l. 1313--><p class="nopar" >
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<div class="verbatim" id="verbatim-54">
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psb_gediv(x, y, desc_a, info, [flag)
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</div>
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<!--l. 1317--><p class="nopar" > <div class="table">
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<!--l. 1319--><p class="indent" > <a
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id="x33-7000115"></a><hr class="float"><div class="float"
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>
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<div class="center"
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>
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<!--l. 1320--><p class="noindent" >
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<div class="tabular"> <table id="TBL-15" class="tabular"
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cellspacing="0" cellpadding="0"
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><colgroup id="TBL-15-1g"><col
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id="TBL-15-1"><col
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id="TBL-15-2"></colgroup><tr
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class="hline"><td><hr></td><td><hr></td></tr><tr
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style="vertical-align:baseline;" id="TBL-15-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-1-1"
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class="td11"><span
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class="cmmi-10">∕</span>, <span
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class="cmmi-10">x</span>, <span
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class="cmmi-10">y </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-15-1-2"
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class="td11"><span
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class="cmbx-10">Function</span></td>
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</tr><tr
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class="hline"><td><hr></td><td><hr></td></tr><tr
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style="vertical-align:baseline;" id="TBL-15-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-2-1"
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class="td11">Short Precision Real </td><td style="white-space:nowrap; text-align:left;" id="TBL-15-2-2"
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class="td11">psb_gediv</td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-15-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-3-1"
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class="td11">Long Precision Real </td><td style="white-space:nowrap; text-align:left;" id="TBL-15-3-2"
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class="td11">psb_gediv</td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-15-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-4-1"
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class="td11">Short Precision Complex</td><td style="white-space:nowrap; text-align:left;" id="TBL-15-4-2"
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class="td11">psb_gediv</td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-15-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-5-1"
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class="td11">Long Precision Complex </td><td style="white-space:nowrap; text-align:left;" id="TBL-15-5-2"
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class="td11">psb_gediv</td>
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</tr><tr
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class="hline"><td><hr></td><td><hr></td></tr><tr
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style="vertical-align:baseline;" id="TBL-15-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-15-6-1"
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class="td11"> </td></tr></table></div></div>
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<br /> <div class="caption"
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><span class="id">Table 15: </span><span
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class="content">Data types</span></div><!--tex4ht:label?: x33-7000115 -->
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</div><hr class="endfloat" />
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</div>
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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.
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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">x</span> </dt><dd
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class="description">the local portion of global dense vector <span
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class="cmmi-10">x</span>.<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">in</span>.<br
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class="newline" />Specified as: an object of type <a
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href="userhtmlsu7.html#vdata"><span
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class="cmtt-10">psb</span><span
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class="cmtt-10">_T</span><span
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class="cmtt-10">_vect</span><span
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class="cmtt-10">_type</span></a> containing numbers of
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type specified in Table <a
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href="userhtmlsu11.html#x20-570012">2<!--tex4ht:ref: tab:f90dot --></a>.
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</dd><dt class="description">
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<span
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class="cmbx-10">y</span> </dt><dd
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class="description">the local portion of global dense vector <span
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class="cmmi-10">y</span>. <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">in</span>.<br
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class="newline" />Specified as: an object of type <a
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href="userhtmlsu7.html#vdata"><span
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class="cmtt-10">psb</span><span
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class="cmtt-10">_T</span><span
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class="cmtt-10">_vect</span><span
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class="cmtt-10">_type</span></a> containing numbers of
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type specified in Table <a
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href="userhtmlsu11.html#x20-570012">2<!--tex4ht:ref: tab:f90dot --></a>.
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</dd><dt class="description">
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<span
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class="cmbx-10">desc</span><span
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class="cmbx-10">_a</span> </dt><dd
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class="description">contains data structures for communications.<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">in</span>.<br
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class="newline" />Specified as: an object of type <a
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href="userhtmlsu5.html#descdata"><span
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class="cmtt-10">psb</span><span
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class="cmtt-10">_desc</span><span
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class="cmtt-10">_type</span></a>.
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</dd><dt class="description">
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<span
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class="cmbx-10">flag</span> </dt><dd
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class="description">check if any of the <span
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class="cmmi-10">y</span>(<span
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class="cmmi-10">i</span>) = 0, and in case returns error halting the
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computation.<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">optional </span>Intent: <span
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class="cmbx-10">in</span>.<br
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class="newline" />Specified as: the logical value <span class="obeylines-h"><span class="verb"><span
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class="cmtt-10">flag=.true.</span></span></span>
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</dd><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">x</span> </dt><dd
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class="description">the local portion of result submatrix <span
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class="cmmi-10">x</span>.<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 object of type <a
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href="userhtmlsu7.html#vdata"><span
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class="cmtt-10">psb</span><span
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class="cmtt-10">_T</span><span
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class="cmtt-10">_vect</span><span
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class="cmtt-10">_type</span></a> containing numbers of
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the type indicated in Table <a
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href="userhtmlsu23.html#x32-6900114">14<!--tex4ht:ref: tab:f90mlt --></a>.
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</dd><dt class="description">
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<span
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class="cmbx-10">info</span> </dt><dd
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class="description">Error code.<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">out</span>.<br
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class="newline" />An integer value; 0 means no error has been detected.</dd></dl>
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<!--l. 1382--><div class="crosslinks"><p class="noindent">[<a
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href="userhtmlsu27.html" >next</a>] [<a
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href="userhtmlsu23.html" >prev</a>] [<a
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href="userhtmlsu23.html#tailuserhtmlsu23.html" >prev-tail</a>] [<a
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href="userhtmlsu24.html" >front</a>] [<a
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href="userhtmlsu12.html#userhtmlsu26.html" >up</a>] </p></div>
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<!--l. 1382--><p class="indent" > <a
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id="tailuserhtmlsu24.html"></a>
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</body></html>
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