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Document DESC%CNV method and MOLD arguments to CDASB and PREC%BUILD

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Salvatore Filippone
2017-12-14 17:09:59 +00:00
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<H3><A NAME="SECTION000421000000000000000">
cscnv -- Convert to a different storage format</A>
<H3><A NAME="SECTION00042900000000000000">
is_lower, is_upper, is_triangle, is_unit --
Format check</A>
</H3>
<P>
<PRE>
call a%cscnv(b,info [, type, mold, dupl])
call a%cscnv(info [, type, mold, dupl])
if (a%is_triangle()) then
if (a%is_upper()) then
if (a%is_lower()) then
if (a%is_unit()) then
</PRE>
<P>
@@ -70,26 +70,10 @@ call a%cscnv(info [, type, mold, dupl])
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>the sparse matrix.
<DD>the sparse matrix
<BR>
A variable of type <code>psb_Tspmat_type</code>.
<BR>
Scope: <B>local</B>.
Scope: <B>local</B>
<BR></DD>
<DT><STRONG>type</STRONG></DT>
<DD>a string requesting a new format.
<BR>
Type: optional.
</DD>
<DT><STRONG>mold</STRONG></DT>
<DD>a variable of <code>class(psb_T_base_sparse_mat)</code> requesting a new format.
<BR>
Type: optional.
</DD>
<DT><STRONG>dupl</STRONG></DT>
<DD>an integer value specifing how to handle duplicates (see
Named Constants below)
</DD>
</DL>
<P>
@@ -97,13 +81,11 @@ Type: optional.
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>b,a</STRONG></DT>
<DD>A copy of <code>a</code> with a new storage format.
<BR>
A variable of type <code>psb_Tspmat_type</code>.
</DD>
<DT><STRONG>info</STRONG></DT>
<DD>Return code.
<DT><STRONG>Function value</STRONG></DT>
<DD>A <code>logical</code> value indicating whether the
matrix is triangular; if <code>is_triangle()</code> returns <code>.true.</code>
check also if it is lower, upper and with a unit (i.e. assumed)
diagonal.
</DD>
</DL>