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Updated docs with fnd_owner adn set_p_adjcncy

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Salvatore Filippone
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<TITLE>hb_read -- Read a sparse matrix from a file in the Harwell-Boeing format</TITLE>
<META NAME="description" CONTENT="hb_read -- Read a sparse matrix from a file in the Harwell-Boeing format">
<TITLE>psb_rcv -- Receive data</TITLE>
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<H2><A NAME="SECTION000101000000000000000">
hb_read -- Read a sparse matrix from a file in the
Harwell-Boeing format</A>
<H2><A NAME="SECTION000817000000000000000">
psb_rcv -- Receive data</A>
</H2>
<P>
<BR>
<IMG
WIDTH="461" HEIGHT="16" ALIGN="BOTTOM" BORDER="0"
SRC="img159.png"
ALT="\begin{lstlisting}
call hb_read(a, iret, iunit, filename, b, mtitle)
\end{lstlisting}">
<BR>
<PRE>
call psb_rcv(icontxt, dat, src, m)
</PRE>
<P>
This subroutine receives a packet of data to a destination.
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Asynchronous.
<DD>Synchronous: see usage notes.
</DD>
<DT><STRONG><B>On Entry </B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>filename</STRONG></DT>
<DD>The name of the file to be read.
<DT><STRONG>icontxt</STRONG></DT>
<DD>the communication context identifying the virtual
parallel machine.
<BR>
Type:<B>optional</B>.
Scope: <B>global</B>.
<BR>
Specified as: a character variable containing a valid file name, or
<code>-</code>, in which case the default input unit 5 (i.e. standard input
in Unix jargon) is used. Default: <code>-</code>.
Type: <B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer variable.
</DD>
<DT><STRONG>iunit</STRONG></DT>
<DD>The Fortran file unit number.
<DT><STRONG>src</STRONG></DT>
<DD>Source process.
<BR>
Type:<B>optional</B>.
Scope: <B>global</B>.
<BR>
Specified as: an integer value. Only meaningful if filename is not <code>-</code>.
Type: <B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer value <!-- MATH
$0<= src <= np-1$
-->
<SPAN CLASS="MATH"><IMG
WIDTH="146" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img150.png"
ALT="$0&lt;= src &lt;= np-1$"></SPAN>.
<BR></DD>
<DT><STRONG>m</STRONG></DT>
<DD>Number of rows.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>Optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer value <!-- MATH
$0<= m <= size(dat,1)$
-->
<SPAN CLASS="MATH"><IMG
WIDTH="171" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img147.png"
ALT="$0&lt;= m &lt;= size(dat,1)$"></SPAN>.
<BR>
When <SPAN CLASS="MATH"><IMG
WIDTH="26" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
SRC="img143.png"
ALT="$dat$"></SPAN> is a rank 2 array, specifies the number of rows to be sent
independently of the leading dimension <SPAN CLASS="MATH"><IMG
WIDTH="82" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img148.png"
ALT="$size(dat,1)$"></SPAN>; must have the
same value on sending and receiving processes.
</DD>
</DL>
@@ -94,64 +128,60 @@ Specified as: an integer value. Only meaningful if filename is not <code>-</code
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the sparse matrix read from file.
<DT><STRONG>dat</STRONG></DT>
<DD>The data to be received.
<BR>
Type:<B>required</B>.
Scope: <B>local</B>.
<BR>
Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
</DD>
<DT><STRONG>b</STRONG></DT>
<DD>Rigth hand side(s).
Type: <B>required</B>.
<BR>
Type: <B>Optional</B>
Intent: <B>inout</B>.
<BR>
An array of type real or complex, rank 2 and having the ALLOCATABLE
attribute; will be allocated and filled in if the input file contains
a right hand side, otherwise will be left in the UNALLOCATED state.
</DD>
<DT><STRONG>mtitle</STRONG></DT>
<DD>Matrix title.
<BR>
Type: <B>Optional</B>
<BR>
A charachter variable of length 72 holding a copy of the
matrix title as specified by the Harwell-Boeing format and contained
in the input file.
</DD>
<DT><STRONG>iret</STRONG></DT>
<DD>Error code.
<BR>
Type: <B>required</B>
<BR>
An integer value; 0 means no error has been detected.
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="MATH"><IMG
WIDTH="18" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img145.png"
ALT="$m$"></SPAN> is
not specified, size must agree as well.
</DD>
</DL>
<P>
<BIG CLASS="LARGE"><B>Notes</B></BIG>
<OL>
<LI>This subroutine implies a synchronization, but only between the
calling process and the source process <SPAN CLASS="MATH"><IMG
WIDTH="26" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img151.png"
ALT="$src$"></SPAN>.
</LI>
</OL>
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