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psblas3:

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Updated docs.
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Salvatore Filippone
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@@ -7,8 +7,8 @@ original version by: Nikos Drakos, CBLU, University of Leeds
Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<TITLE>psb_bcast -- Broadcast data</TITLE>
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<TITLE>psb_barrier -- Sinchronization point parallel environment</TITLE>
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<H2><A NAME="SECTION00089000000000000000">
psb_bcast -- Broadcast data</A>
<H2><A NAME="SECTION00087000000000000000">
psb_barrier -- Sinchronization point parallel
environment</A>
</H2>
<P>
<PRE>
call psb_bcast(icontxt, dat, root)
call psb_barrier(icontxt)
</PRE>
<P>
This subroutine implements a broadcast operation based on the
underlying communication library.
This subroutine acts as an explicit synchronization point for the PSBLAS
parallel virtual machine.
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Synchronous.
@@ -82,81 +83,10 @@ Intent: <B>in</B>.
<BR>
Specified as: an integer variable.
</DD>
<DT><STRONG>dat</STRONG></DT>
<DD>On the root process, the data to be broadcast.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>required</B>.
<BR>
Intent: <B>inout</B>.
<BR>
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 variable,
which may be a scalar or rank 1 array. Type, kind, rank and size must agree on all processes.
</DD>
<DT><STRONG>root</STRONG></DT>
<DD>Root process holding data to be broadcast.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer value <!-- MATH
$0<= root <= np-1$
-->
<IMG
WIDTH="153" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img131.png"
ALT="$0&lt;= root &lt;= np-1$">, default 0 </DD>
</DL>
<P>
<DL>
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>dat</STRONG></DT>
<DD>On processes other than root, the data to be broadcast.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>required</B>.
<BR>
Intent: <B>inout</B>.
<BR>
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, rank and size must agree on all processes.
</DD>
</DL>
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