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131 lines
3.2 KiB
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131 lines
3.2 KiB
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<H2><A NAME="SECTION00085000000000000000">
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psb_get_mpi_rank -- Get the MPI rank</A>
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<P>
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<PRE>
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rank = psb_get_mpi_rank(icontxt, id)
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</PRE>
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<P>
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This function returns the MPI rank of the PSBLAS process <SPAN CLASS="MATH"><IMG
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WIDTH="18" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
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SRC="img138.png"
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ALT="$id$"></SPAN>
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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>icontxt</STRONG></DT>
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<DD>the communication context identifying the virtual
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parallel machine.
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<BR>
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Scope: <B>global</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: an integer variable.
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</DD>
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<DT><STRONG>id</STRONG></DT>
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<DD>Identifier of a process in the PSBLAS virtual parallel machine.
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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: an integer value. <!-- MATH
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$0 \le id \le np-1$
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-->
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<SPAN CLASS="MATH"><IMG
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WIDTH="113" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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ALT="$0 \le id \le np-1$"></SPAN> </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>Funciton value</STRONG></DT>
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<DD>The MPI rank associated with the PSBLAS process <SPAN CLASS="MATH"><IMG
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WIDTH="18" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
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SRC="img138.png"
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ALT="$id$"></SPAN>.
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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></DD>
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</DL>
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<P>
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<BIG CLASS="LARGE"><B>Notes</B></BIG>
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The subroutine version <code>psb_get_rank</code> is still available but is
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deprecated.
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