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133 lines
3.2 KiB
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133 lines
3.2 KiB
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<H2><A NAME="SECTION000723000000000000000">
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psb_get_boundary -- Extract list of boundary elements</A>
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</H2>
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<P>
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<PRE>
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call psb_get_boundary(bndel, desc, info)
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</PRE>
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<P>
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<DL>
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<DT><STRONG>Type:</STRONG></DT>
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<DD>Asynchronous.
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</DD>
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<DT><STRONG><B>On Entry</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>desc</STRONG></DT>
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<DD>the communication descriptor.
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<BR>
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Scope:<B>local</B>.
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<BR>
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Type:<B>required</B>.
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
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</DD>
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</DL>
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<P>
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<DL>
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<DT><STRONG><B>On Return</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>bndel</STRONG></DT>
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<DD>The list of boundary elements on the calling process, in
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local numbering.
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<BR>
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>out</B>.
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<BR>
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Specified as: a rank one array with the ALLOCATABLE
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attribute, of type integer.
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<BR></DD>
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<DT><STRONG>info</STRONG></DT>
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<DD>Error code.
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<BR>
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>out</B>.
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<BR>
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An integer value; 0 means no error has been detected.
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</DD>
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</DL>
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<P>
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<FONT SIZE="+1"><B>Notes</B></FONT>
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<OL>
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<LI>If there are no boundary elements (i.e., if the local part of
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the connectivity graph is self-contained) the output vector is set
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to the ``not allocated'' state.
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</LI>
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<LI>Otherwise the size of <code>bndel</code> will be exactly equal to the
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number of boundary elements.
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</LI>
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</OL>
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<P>
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