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New docs for LIDX. New LIDX parm in idx_cnv_ins.
This commit is contained in:
Salvatore Filippone
2012-04-17 16:49:25 +00:00
parent 4accecb0c9
commit fe85dcc848
134 changed files with 15319 additions and 14743 deletions
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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 -->
<HTML>
<HEAD>
<TITLE>psb_sp_getrow -- Extract row(s) from a sparse matrix</TITLE>
<META NAME="description" CONTENT="psb_sp_getrow -- Extract row(s) from a sparse matrix">
<TITLE>psb_get_overlap -- Extract list of overlap elements</TITLE>
<META NAME="description" CONTENT="psb_get_overlap -- Extract list of overlap elements">
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@@ -20,45 +20,44 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<H2><A NAME="SECTION000725000000000000000">
psb_sp_getrow -- Extract row(s) from a sparse matrix</A>
<H2><A NAME="SECTION000724000000000000000">
psb_get_overlap -- Extract list of overlap elements</A>
</H2>
<P>
<PRE>
call psb_sp_getrow(row, a, nz, ia, ja, val, info, &amp;
&amp; append, nzin, lrw)
call psb_get_overlap(ovrel, desc, info)
</PRE>
<P>
@@ -69,75 +68,16 @@ call psb_sp_getrow(row, a, nz, ia, ja, val, info, &amp;
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>row</STRONG></DT>
<DD>The (first) row to be extracted.
<DT><STRONG>desc</STRONG></DT>
<DD>the communication descriptor.
<BR>
Scope:<B>local</B>
Scope:<B>local</B>.
<BR>
Type:<B>required</B>
Type:<B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer <IMG
WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img103.png"
ALT="$&gt;0$">.
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the matrix from which to get rows.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>required</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
</DD>
<DT><STRONG>append</STRONG></DT>
<DD>Whether to append or overwrite existing output.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>optional</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a logical value default: false (overwrite).
</DD>
<DT><STRONG>nzin</STRONG></DT>
<DD>Input size to be appended to.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>optional</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer <IMG
WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img103.png"
ALT="$&gt;0$">. When append is true, specifies how many
entries in the output vectors are already filled.
</DD>
<DT><STRONG>lrw</STRONG></DT>
<DD>The last row to be extracted.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>optional</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer <IMG
WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img103.png"
ALT="$&gt;0$">, default: <IMG
WIDTH="31" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img104.png"
ALT="$row$">.
<P>
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
</DD>
</DL>
@@ -146,50 +86,19 @@ Specified as: an integer <IMG
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>nz</STRONG></DT>
<DD>the number of elements returned by this call.
<DT><STRONG>ovrel</STRONG></DT>
<DD>The list of overlap elements on the calling process, in
local numbering.
<BR>
Scope:<B>local</B>.
Scope: <B>local</B>
<BR>
Type:<B>required</B>.
Type: <B>required</B>
<BR>
Intent: <B>out</B>.
<BR>
Returned as: an integer scalar.
</DD>
<DT><STRONG>ia</STRONG></DT>
<DD>the row indices.
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>required</B>.
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: an integer array with the <code>ALLOCATABLE</code> attribute.
</DD>
<DT><STRONG>ja</STRONG></DT>
<DD>the column indices of the elements to be inserted.
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>required</B>.
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: an integer array with the <code>ALLOCATABLE</code> attribute.
</DD>
<DT><STRONG>val</STRONG></DT>
<DD>the elements to be inserted.
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>required</B>.
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a real array with the <code>ALLOCATABLE</code> attribute.
</DD>
Specified as: a rank one array with the ALLOCATABLE
attribute, of type integer.
<BR></DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -207,51 +116,16 @@ An integer value; 0 means no error has been detected.
<FONT SIZE="+1"><B>Notes</B></FONT>
<OL>
<LI>The output <IMG
WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img95.png"
ALT="$nz$"> is always the size of the output generated by
the current call; thus, if <code>append=.true.</code>, the total output
size will be <IMG
WIDTH="74" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img105.png"
ALT="$nzin+nz$">, with the newly extracted coefficients stored in
entries <code>nzin+1:nzin+nz</code> of the array arguments;
<LI>If there are no overlap elements the output vector is set
to the ``not allocated'' state.
</LI>
<LI>When <code>append=.true.</code> the output arrays are reallocated as
necessary;
</LI>
<LI>The row and column indices are returned in the local numbering
scheme; if the global numbering is desired, the user may employ the
<code>psb_loc_to_glob</code> routine on the output.
<LI>Otherwise the size of <code>ovrel</code> will be exactly equal to the
number of overlap elements.
</LI>
</OL>
<P>
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