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psblas3:

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Updated docs.
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Salvatore Filippone
2017-02-12 18:19:15 +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 -->
<HTML>
<HEAD>
<TITLE>psb_set_mat_default -- Set default storage format</TITLE>
<META NAME="description" CONTENT="psb_set_mat_default -- Set default storage format">
<TITLE>triu -- Return the upper triangle</TITLE>
<META NAME="description" CONTENT="triu -- Return the upper triangle">
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@@ -26,41 +26,44 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<H3><A NAME="SECTION000421600000000000000">
psb_set_mat_default -- Set default storage format</A>
triu -- Return the upper triangle</A>
</H3>
<P>
<PRE>
call psb_set_mat_default(a)
call a%triu(b,info[,&amp;
&amp; diag,imin,imax,jmin,jmax,rscale,cscale])
</PRE>
<P>
Returns the upper triangular part of submatrix
<code>A(imin:imax,jmin:jmax)</code>, optionally rescaling row/col indices to
the range <code>1:imax-imin+1,1:jmax-jmin+1</code>.
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Asynchronous.
@@ -69,10 +72,38 @@ call psb_set_mat_default(a)
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>a variable of <code>class(psb_T_base_sparse_mat)</code> requesting
a new default storage format.
<DD>the sparse matrix.
<BR>
Type: required.
A variable of type <code>psb_Tspmat_type</code>.
<BR>
Scope: <B>local</B>.
<BR></DD>
<DT><STRONG>diag</STRONG></DT>
<DD>Include diagonals up to this one; <code>diag=1</code> means the
first superdiagonal, <code>diag=-1</code> means the first subdiagonal.
Default 0.
</DD>
<DT><STRONG>imin,imax,jmin,jmax</STRONG></DT>
<DD>Minimum and maximum row and column indices.
<BR>
Type: optional.
</DD>
<DT><STRONG>rscale,cscale</STRONG></DT>
<DD>Whether to rescale row/column indices.
Type: optional.
</DD>
</DL>
<DL>
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>b</STRONG></DT>
<DD>A copy of a subtriangle of <code>a</code>.
<BR>
A variable of type <code>psb_Tspmat_type</code>.
</DD>
<DT><STRONG>info</STRONG></DT>
<DD>Return code.
</DD>
</DL>