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Updated docs with fnd_owner adn set_p_adjcncy

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Salvatore Filippone
2019-12-12 17:37:31 +00:00
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<TITLE>build -- Builds a preconditioner</TITLE>
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<TITLE>mm_array_write -- Write a dense array from a file in the MatrixMarket format</TITLE>
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<H2><A NAME="SECTION000112000000000000000">
build -- Builds a preconditioner</A>
<H2><A NAME="SECTION000106000000000000000">
mm_array_write -- Write a dense array from a
file in the MatrixMarket format</A>
</H2>
<P>
<PRE>
call prec%build(a, desc_a, info[,amold,vmold,imold])
</PRE>
<BR>
<IMG
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SRC="img164.png"
ALT="\begin{lstlisting}
call mm_array_write(b, iret, iunit, filename)
\end{lstlisting}">
<BR>
<P>
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Synchronous.
<DD>Asynchronous.
</DD>
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DT><STRONG><B>On Entry </B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the system sparse matrix.
Scope: <B>local</B>
<DT><STRONG>b</STRONG></DT>
<DD>Rigth hand side(s).
<BR>
Type: <B>required</B>
Type: <B>required</B>
<BR>
Intent: <B>in</B>, target.
An array of type real or complex, rank 1 or 2; will be written.. </DD>
<DT><STRONG>filename</STRONG></DT>
<DD>The name of the file to be written.
<BR>
Specified as: a sparse matrix data structure spdata<TT>psb_Tspmat_type</TT>.
Type:<B>optional</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>.
</DD>
<DT><STRONG>prec</STRONG></DT>
<DD>the preconditioner.
<DT><STRONG>iunit</STRONG></DT>
<DD>The Fortran file unit number.
<BR>
Scope: <B>local</B>
Type:<B>optional</B>.
<BR>
Type: <B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: an already initialized precondtioner data structure precdata<TT>psb_prec_type</TT>
<BR></DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>the problem communication descriptor.
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>in</B>, target.
<BR>
Specified as: a communication descriptor data structure descdata<TT>psb_desc_type</TT>.
</DD>
<DT><STRONG>amold</STRONG></DT>
<DD>The desired dynamic type for the internal matrix storage.
<BR>
Scope: <B>local</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an object of a class derived from spbasedata<TT>psb_T_base_sparse_mat</TT>.
</DD>
<DT><STRONG>vmold</STRONG></DT>
<DD>The desired dynamic type for the internal vector storage.
<BR>
Scope: <B>local</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an object of a class derived from vbasedata<TT>psb_T_base_vect_type</TT>.
</DD>
<DT><STRONG>imold</STRONG></DT>
<DD>The desired dynamic type for the internal integer vector storage.
<BR>
Scope: <B>local</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an object of a class derived from (integer) vbasedata<TT>psb_T_base_vect_type</TT>.
Specified as: an integer value. Only meaningful if filename is not <code>-</code>.
</DD>
</DL>
@@ -136,59 +99,17 @@ Specified as: an object of a class derived from (integer) vbasedata<TT>psb_T_bas
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>prec</STRONG></DT>
<DD>the preconditioner.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a precondtioner data structure precdata<TT>psb_prec_type</TT>
<BR></DD>
<DT><STRONG>info</STRONG></DT>
<DT><STRONG>iret</STRONG></DT>
<DD>Error code.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>out</B>.
<BR>
An integer value; 0 means no error has been detected.
</DD>
</DL>
The <code>amold</code>, <code>vmold</code> and <code>imold</code> arguments may be
employed to interface with special devices, such as GPUs and other
accelerators.
<P>
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