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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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<TITLE>psb_glob_to_loc -- Global to local indices convertion</TITLE>
<META NAME="description" CONTENT="psb_glob_to_loc -- Global to local indices convertion">
<TITLE>psb_gelp -- Applies a left permutation to a dense matrix</TITLE>
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<H2><A NAME="SECTION000717000000000000000">
psb_glob_to_loc -- Global to local indices
convertion</A>
<H2><A NAME="SECTION000716000000000000000">
psb_gelp -- Applies a left permutation to a dense
matrix</A>
</H2>
<P>
<PRE>
call psb_glob_to_loc(x, y, desc_a, info, iact,owned)
call psb_glob_to_loc(x, desc_a, info, iact,owned)
call psb_gelp(trans, iperm, x, info)
</PRE>
<P>
@@ -70,51 +66,51 @@ call psb_glob_to_loc(x, desc_a, info, iact,owned)
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>x</STRONG></DT>
<DD>An integer vector of indices to be converted.
<DT><STRONG>trans</STRONG></DT>
<DD>A character that specifies whether to permute <SPAN CLASS="MATH"><IMG
WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img1.png"
ALT="$A$"></SPAN> or <SPAN CLASS="MATH"><IMG
WIDTH="26" HEIGHT="20" ALIGN="BOTTOM" BORDER="0"
SRC="img110.png"
ALT="$A^T$"></SPAN>.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>in, inout</B>.
Intent: <B>in</B>.
<BR>
Specified as: a rank one integer array.
Specified as: a single character with value 'N' for <SPAN CLASS="MATH"><IMG
WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img1.png"
ALT="$A$"></SPAN> or 'T' for <SPAN CLASS="MATH"><IMG
WIDTH="26" HEIGHT="20" ALIGN="BOTTOM" BORDER="0"
SRC="img110.png"
ALT="$A^T$"></SPAN>.
<BR></DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>the communication descriptor.
<DT><STRONG>iperm</STRONG></DT>
<DD>An integer array containing permutation information.
<BR>
Scope:<B>local</B>.
Scope: <B>local</B>
<BR>
Type:<B>required</B>.
Type: <B>required</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
</DD>
<DT><STRONG>iact</STRONG></DT>
<DD>specifies action to be taken in case of range errors.
Scope: <B>global</B>
Specified as: an integer one-dimensional array.
<BR></DD>
<DT><STRONG>x</STRONG></DT>
<DD>The dense matrix to be permuted.
<BR>
Type: <B>optional</B>
Scope: <B>local</B>
<BR>
Intent: <B>in</B>.
Type: <B>required</B>
<BR>
Specified as: a character variable <code>I</code>gnore, <code>W</code>arning or
<code>A</code>bort, default <code>I</code>gnore.
</DD>
<DT><STRONG>owned</STRONG></DT>
<DD>Specfies valid range of input
Scope: <B>global</B>
Intent: <B>inout</B>.
<BR>
Type: <B>optional</B>
<BR>
Intent: <B>in</B>.
<BR>
If true, then only indices strictly owned by the current process are
considered valid, if false then halo indices are also
accepted. Default: false.
</DD>
Specified as: a one or two dimensional array.
<BR></DD>
</DL>
<P>
@@ -122,44 +118,6 @@ accepted. Default: false.
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>x</STRONG></DT>
<DD>If <IMG
WIDTH="13" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img21.png"
ALT="$y$"> is not present,
then <IMG
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"> is overwritten with the translated integer indices.
Scope: <B>global</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>inout</B>.
<BR>
Specified as: a rank one integer array.
</DD>
<DT><STRONG>y</STRONG></DT>
<DD>If <IMG
WIDTH="13" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img21.png"
ALT="$y$"> is present,
then <IMG
WIDTH="13" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img21.png"
ALT="$y$"> is overwritten with the translated integer indices, and <IMG
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$">
is left unchanged.
Scope: <B>global</B>
<BR>
Type: <B>optional</B>
<BR>
Intent: <B>out</B>.
<BR>
Specified as: a rank one integer array.
</DD>
<DT><STRONG>info</STRONG></DT>
<DD>Error code.
<BR>
@@ -174,42 +132,7 @@ An integer value; 0 means no error has been detected.
</DL>
<P>
<FONT SIZE="+1"><B>Notes</B></FONT>
<OL>
<LI>If an input index is out of range, then the corresponding output
index is set to a negative number;
</LI>
<LI>The default <code>I</code>gnore means that the negative output is the
only action taken on an out-of-range input.
</LI>
</OL>
<P>
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