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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_geins -- Dense matrix insertion routine</TITLE>
<META NAME="description" CONTENT="psb_geins -- Dense matrix insertion routine">
<TITLE>psb_sprn -- Reinit sparse matrix structure for psblas routines.</TITLE>
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<H2><A NAME="SECTION000713000000000000000">
psb_geins -- Dense matrix insertion routine</A>
<H2><A NAME="SECTION000711000000000000000">
psb_sprn -- Reinit sparse matrix structure for psblas
routines.</A>
</H2>
<P>
<PRE>
call psb_geins(m, irw, val, x, desc_a, info [,dupl,local])
call psb_sprn(a, decsc_a, info, clear)
</PRE>
<P>
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Asynchronous.
<DD>Synchronous.
</DD>
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>m</STRONG></DT>
<DD>Number of rows in <IMG
WIDTH="25" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
SRC="img108.png"
ALT="$val$"> to be inserted.
<DT><STRONG>a</STRONG></DT>
<DD>the matrix to be reinitialized.
<BR>
Scope:<B>local</B>.
Scope:<B>local</B>
<BR>
Type:<B>required</B>.
Type:<B>required</B>
<BR>
Intent: <B>in</B>.
Intent: <B>inout</B>.
<BR>
Specified as: an integer value.
</DD>
<DT><STRONG>irw</STRONG></DT>
<DD>Indices of the rows to be inserted. Specifically, row <IMG
WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
SRC="img4.png"
ALT="$i$">
of <IMG
WIDTH="25" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
SRC="img108.png"
ALT="$val$"> will be inserted into the local row corresponding to the
global row index <IMG
WIDTH="47" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
SRC="img109.png"
ALT="$irw(i)$">.
Scope:<B>local</B>.
<BR>
Type:<B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer array.
</DD>
<DT><STRONG>val</STRONG></DT>
<DD>the dense submatrix to be inserted.
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a rank 1 or 2 array.
Specified as: an integer value.
Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
</DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>the communication descriptor.
@@ -126,29 +91,16 @@ Intent: <B>in</B>.
<BR>
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
</DD>
<DT><STRONG>dupl</STRONG></DT>
<DD>How to handle duplicate coefficients.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: integer, possible values: <code>psb_dupl_ovwrt_</code>,
<code>psb_dupl_add_</code>.
</DD>
<DT><STRONG>local</STRONG></DT>
<DD>Whether the entries in the index vector <code>irw</code>,
are already in local numbering.
<DT><STRONG>clear</STRONG></DT>
<DD>Choose whether to zero out matrix coefficients
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>optional</B>.
<BR>
Specified as: a logical value; default: <code>.false.</code>.
<P>
Intent: <B>in</B>.
<BR>
Default: true.
</DD>
</DL>
@@ -157,18 +109,6 @@ Specified as: a logical value; default: <code>.false.</code>.
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>x</STRONG></DT>
<DD>the output dense matrix.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a rank one or two array or an object of type vdata<TT>psb_T_vect_type</TT>, of
type real, complex or integer.
<BR></DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -181,43 +121,15 @@ Intent: <B>out</B>.
An integer value; 0 means no error has been detected.
</DD>
</DL>
<P>
<FONT SIZE="+1"><B>Notes</B></FONT>
<OL>
<LI>Dense vectors/matrices do not have an associated state;
</LI>
<LI>Duplicate entries are either overwritten or added, there is no
provision for raising an error condition.
<LI>On exit from this routine the sparse matrix is in the update
state.
</LI>
</OL>
<P>
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