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Documentation changes. We have barely begun.....
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Salvatore Filippone
2011-12-16 16:45:25 +00:00
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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_spasb -- Sparse matrix assembly routine</TITLE>
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<TITLE>psb_spfree -- Frees a sparse matrix</TITLE>
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<H2><A NAME="SECTION00079000000000000000">
psb_spasb -- Sparse matrix assembly routine</A>
<H2><A NAME="SECTION000710000000000000000">
psb_spfree -- Frees a sparse matrix</A>
</H2>
<P>
<PRE>
call psb_spasb(a, desc_a, info, afmt, upd, dupl)
call psb_spfree(a, desc_a, info)
</PRE>
<P>
@@ -68,6 +68,17 @@ call psb_spasb(a, desc_a, info, afmt, upd, dupl)
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the matrix to be freed.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a structured data of type spdata<TT>psb_spmat_type</TT>.
</DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>the communication descriptor.
<BR>
@@ -79,40 +90,6 @@ Intent: <B>in</B>.
<BR>
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
</DD>
<DT><STRONG>afmt</STRONG></DT>
<DD>the storage format for the sparse matrix.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an array of characters. Defalt: 'CSR'.
</DD>
<DT><STRONG>upd</STRONG></DT>
<DD>Provide for updates to the matrix coefficients.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: integer, possible values: <code>psb_upd_srch_</code>, <code>psb_upd_perm_</code>
</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>, <code>psb_dupl_err_</code>.
</DD>
</DL>
<P>
@@ -120,17 +97,6 @@ Specified as: integer, possible values: <code>psb_dupl_ovwrt_</code>,
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the matrix to be assembled.
<BR>
Scope:<B>local</B>
<BR>
Type:<B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a structured data of type spdata<TT>psb_spmat_type</TT>.
</DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -145,53 +111,7 @@ An integer value; 0 means no error has been detected.
</DL>
<P>
<FONT SIZE="+1"><B>Notes</B></FONT>
<OL>
<LI>On entry to this routine the descriptor must be in the
assembled state, i.e. <code>psb_cdasb</code> must already have been called.
</LI>
<LI>The sparse matrix may be in either the build or update state;
</LI>
<LI>Duplicate entries are detected and handled in both build and
update state, with the exception of the error action that is only
taken in the build state, i.e. on the first assembly;
</LI>
<LI>If the update choice is <code>psb_upd_perm_</code>, then subsequent
calls to <code>psb_spins</code> to update the matrix must be arranged in
such a way as to produce exactly the same sequence of coefficient
values as encountered at the first assembly;
</LI>
<LI>On exit from this routine the matrix is in the assembled state,
and thus is suitable for the computational routines.
</LI>
</OL>
<P>
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