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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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<H2><A NAME="SECTION000712000000000000000">
psb_geall -- Allocates a dense matrix</A>
<H2><A NAME="SECTION000711000000000000000">
psb_sprn -- Reinit sparse matrix structure for psblas
routines.</A>
</H2>
<P>
<PRE>
call psb_geall(x, desc_a, info, n, lb)
call psb_sprn(a, decsc_a, info, clear)
</PRE>
<P>
@@ -68,52 +66,38 @@ call psb_geall(x, desc_a, info, n, lb)
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>The communication descriptor.
<DT><STRONG>a</STRONG></DT>
<DD>the matrix to be reinitialized.
<BR>
Scope: <B>local</B>
Scope:<B>local</B>
<BR>
Type: <B>required</B>
Type:<B>required</B>
<BR>
Intent: <B>in</B>.
Intent: <B>inout</B>.
<BR>
Specified as: a variable of type descdata<TT>psb_desc_type</TT>.
<BR></DD>
<DT><STRONG>n</STRONG></DT>
<DD>The number of columns of the dense matrix to be allocated.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>optional</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: Integer scalar, default <IMG
WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img107.png"
ALT="$1$">. It is not a valid argument if <IMG
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"> is a
rank-1 array.
Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
</DD>
<DT><STRONG>lb</STRONG></DT>
<DD>The lower bound for the column index range of the dense matrix to be allocated.
<DT><STRONG>desc_a</STRONG></DT>
<DD>the communication descriptor.
<BR>
Scope: <B>local</B>
Scope:<B>local</B>.
<BR>
Type: <B>optional</B>
Type:<B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: Integer scalar, default <IMG
WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img107.png"
ALT="$1$">. It is not a valid argument if <IMG
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"> is a
rank-1 array.
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
<BR>
Scope:<B>local</B>.
<BR>
Type:<B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Default: true.
</DD>
</DL>
@@ -122,18 +106,6 @@ rank-1 array.
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>x</STRONG></DT>
<DD>The dense matrix to be allocated.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>out</B>.
<BR>
Specified as: a rank one or two array with the ALLOCATABLE attribute
or an object of type vdata<TT>psb_T_vect_type</TT>, of type real, complex or integer.
<BR></DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -146,32 +118,16 @@ Intent: <B>out</B>.
An integer value; 0 means no error has been detected.
</DD>
</DL>
<BIG CLASS="LARGE"><B>Notes</B></BIG>
<OL>
<LI>On exit from this routine the sparse matrix is in the update
state.
</LI>
</OL>
<P>
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