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Updated docs with CLONE method.
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Salvatore Filippone
2013-04-01 14:34:41 +00:00
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commit 8ba8f2b213
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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_sprn -- Reinit sparse matrix structure for psblas routines.</TITLE>
<META NAME="description" CONTENT="psb_sprn -- Reinit sparse matrix structure for psblas routines.">
<TITLE>psb_spasb -- Sparse matrix assembly routine</TITLE>
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@@ -20,45 +20,44 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<H2><A NAME="SECTION000711000000000000000">
psb_sprn -- Reinit sparse matrix structure for psblas
routines.</A>
<H2><A NAME="SECTION00079000000000000000">
psb_spasb -- Sparse matrix assembly routine</A>
</H2>
<P>
<PRE>
call psb_sprn(a, decsc_a, info, clear)
call psb_spasb(a, desc_a, info, afmt, upd, dupl, mold)
</PRE>
<P>
@@ -69,17 +68,6 @@ call psb_sprn(a, decsc_a, info, clear)
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the matrix to be reinitialized.
<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_Tspmat_type</TT>.
</DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>the communication descriptor.
<BR>
@@ -91,16 +79,50 @@ Intent: <B>in</B>.
<BR>
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
</DD>
<DT><STRONG>clear</STRONG></DT>
<DD>Choose whether to zero out matrix coefficients
<DT><STRONG>afmt</STRONG></DT>
<DD>the storage format for the sparse matrix.
<BR>
Scope:<B>local</B>.
Scope: <B>local</B>.
<BR>
Type:<B>optional</B>.
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Default: true.
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>
<DT><STRONG>mold</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>
</DL>
@@ -109,6 +131,17 @@ Default: true.
<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_Tspmat_type</TT>.
</DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -121,16 +154,58 @@ 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>On exit from this routine the sparse matrix is in the update
state.
<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>The output storage format need not be the same on all
processes;
</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>
<BR><HR>
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