psblas3:

updated doc on psb_cdall.

docs/html/footnode.html

@@ -104,7 +104,7 @@ sample scatter/gather routines.
 .
 </PRE>
 </DD>
-<DT><A NAME="foot6737">... follows</A><A
+<DT><A NAME="foot6741">... follows</A><A
  HREF="node99.html#tex2html28"><SUP>3</SUP></A></DT>
 <DD>The string is case-insensitive
 

docs/html/node104.html

@@ -73,7 +73,7 @@ err = \frac{\|r_i\|}{(\|A\|\|x_i\|+\|b\|)} < eps
 
 <IMG
  WIDTH="204" HEIGHT="44" BORDER="0"
- SRC="img141.png"
+ SRC="img142.png"
  ALT="\begin{displaymath}err = \frac{\Vert r_i\Vert}{(\Vert A\Vert\Vert x_i\Vert+\Vert b\Vert)} &lt; eps \end{displaymath}">
 </DIV>
 <BR CLEAR="ALL">
@@ -89,7 +89,7 @@ err = \frac{\|r_i\|}{\|b\|_2} < eps
 
 <IMG
  WIDTH="121" HEIGHT="44" BORDER="0"
- SRC="img142.png"
+ SRC="img143.png"
  ALT="\begin{displaymath}err = \frac{\Vert r_i\Vert}{\Vert b\Vert _2} &lt; eps \end{displaymath}">
 </DIV>
 <BR CLEAR="ALL">
@@ -97,11 +97,11 @@ err = \frac{\|r_i\|}{\|b\|_2} < eps
 according to the value passed through the  istop argument (see
 later). In the above formulae, <IMG
  WIDTH="19" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img143.png"
+ SRC="img144.png"
  ALT="$x_i$"> is the tentative solution and
 <IMG
  WIDTH="90" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img144.png"
+ SRC="img145.png"
  ALT="$r_i=b-Ax_i$"> the corresponding residual at the <IMG
  WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
  SRC="img4.png"
@@ -233,22 +233,22 @@ Intent: <B>in</B>.
 <BR>
 Default: <IMG
  WIDTH="100" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
- SRC="img145.png"
+ SRC="img146.png"
  ALT="$itmax = 1000$">.
 <BR>
 Specified as: an integer variable <IMG
  WIDTH="75" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img146.png"
+ SRC="img147.png"
  ALT="$itmax \ge 1$">.
 </DD>
 <DT><STRONG>itrace</STRONG></DT>
 <DD>If <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img107.png"
+ SRC="img108.png"
  ALT="$&gt;0$"> print out an informational message about
   convergence  every <IMG
  WIDTH="46" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
- SRC="img147.png"
+ SRC="img148.png"
  ALT="$itrace$"> iterations.
 <BR>
 Scope: <B>global</B> 
@@ -268,7 +268,7 @@ Intent: <B>in</B>.
 <BR>
 Values: <IMG
  WIDTH="59" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img148.png"
+ SRC="img149.png"
  ALT="$irst&gt;0$">. This is employed for the BiCGSTABL or RGMRES
 methods, otherwise it is ignored. 
 
@@ -329,7 +329,7 @@ Returned  as: a real number.
  ALT="$A$">; only
   available with the <IMG
  WIDTH="29" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img149.png"
+ SRC="img150.png"
  ALT="$CG$"> method.
 <BR>
 Scope: <B>global</B> 

docs/html/node106.html

@@ -63,7 +63,7 @@ Mathematics Department, Macquarie University, Sydney.
 The command line arguments were: <BR>
  <STRONG>latex2html</STRONG> <TT>-local_icons -noaddress -dir ../../html userhtml.tex</TT>
 <P>
-The translation was initiated by  on 2010-05-26
+The translation was initiated by  on 2010-05-27
 <BR><HR>
 
 </BODY>

docs/html/node43.html

@@ -58,8 +58,8 @@ psb_cdall -- Allocates a communication descriptor</A>
 <P>
 <PRE>
 call psb_cdall(icontxt, desc_a, info,mg=mg,parts=parts)
-call psb_cdall(icontxt, desc_a, info,vg=vg,flag=flag)
-call psb_cdall(icontxt, desc_a, info,vl=vl,nl=nl,globalcheck=.true.)
+call psb_cdall(icontxt, desc_a, info,vg=vg,[mg=mg,flag=flag])
+call psb_cdall(icontxt, desc_a, info,vl=vl,[nl=nl,globalcheck=.true.])
 call psb_cdall(icontxt, desc_a, info,nl=nl)
 call psb_cdall(icontxt, desc_a, info,mg=mg,repl=.true.)
 </PRE>
@@ -153,8 +153,11 @@ Type:<B>required</B>.
 Specified as: a subroutine. 
 </DD>
 <DT><STRONG>vl</STRONG></DT>
-<DD>Data allocation: the set of global indices belonging to the
-  calling process. 
+<DD>Data allocation: the set of global indices 
+  <IMG
+ WIDTH="65" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
+ SRC="img91.png"
+ ALT="$vl(1:nl)$"> belonging to the calling process. 
 <BR>
 Scope:<B>local</B>.
 <BR>
@@ -283,10 +286,10 @@ An integer value; 0 means no error has been detected.
  -->
 <IMG
  WIDTH="107" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img91.png"
+ SRC="img92.png"
  ALT="$0\le pv(i) &lt; np$">; if <IMG
  WIDTH="51" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img92.png"
+ SRC="img93.png"
  ALT="$nv&gt;1$"> we have an index assigned to multiple
     processes, i.e. we have an overlap among the subdomains.
   
@@ -295,60 +298,70 @@ An integer value; 0 means no error has been detected.
 </DD>
 <DT><STRONG>vg</STRONG></DT>
 <DD>In this case the association between an index and a process
-  is specified via an integer vector; the size of the index space is
-  equal to the size of <code>vg</code>, and each index <IMG
- WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
- SRC="img4.png"
- ALT="$i$"> is assigned to
-  the process <IMG
+  is specified via an integer vector  <code>vg(1:mg)</code>; 
+  each index <!-- MATH
+ $i \in \{1\dots mg\}$
+ -->
+<IMG
+ WIDTH="98" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
+ SRC="img86.png"
+ ALT="$i\in \{1\dots mg\}$"> is assigned to process <IMG
  WIDTH="39" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
  SRC="img87.png"
- ALT="$vg(i)$">. The vector <code>vg</code> must be identical on all
+ ALT="$vg(i)$">. 
+  The vector <code>vg</code> must be identical on all
   calling processes; its entries may have the ranges <IMG
  WIDTH="94" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img93.png"
+ SRC="img94.png"
  ALT="$(0\dots np-1)$">
   or <IMG
  WIDTH="65" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img94.png"
- ALT="$(1\dots np)$"> according to the value of <code>flag</code>.  Optionally,
-  the user may specify <code>mg</code>, in 
-  which case the portion <code>vg(1:mg)</code> is used. 
+ SRC="img95.png"
+ ALT="$(1\dots np)$"> according to the value of <code>flag</code>.  
+  The size <IMG
+ WIDTH="27" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
+ SRC="img96.png"
+ ALT="$mg$"> may be  specified via the optional argument <code>mg</code>;
+  the default is to use the entire vector <code>vg</code>, thus having
+  <code>mg=size(vg)</code>. 
 </DD>
 <DT><STRONG>vl</STRONG></DT>
-<DD>In this case we are specifying the list of indices assigned
-  to the current process; thus, the global problem size <IMG
+<DD>In this case we are specifying the list of indices
+  <code>vl(1:nl)</code> assigned   to the current process; thus, the global
+  problem size <IMG
  WIDTH="27" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img95.png"
- ALT="$mg$"> is given by
+ SRC="img96.png"
+ ALT="$mg$"> is given by 
   the range of the aggregate of the individual vectors <code>vl</code> specified
-  in the calling processes. If <code>globalcheck=.true.</code> 
-  the subroutine will check how many times  each entry in the global
-  index   space <IMG
+  in the calling processes. The size may be specified via the optional
+  argument <code>nl</code>; the default is to use the entire vector  <code>vl</code>, thus having
+  <code>nl=size(vl)</code>.  
+  If <code>globalcheck=.true.</code>   the subroutine will check how many
+  times  each entry in the global   index   space <IMG
  WIDTH="70" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img96.png"
- ALT="$(1\dots mg)$"> is specified in the input lists
-  <code>vl</code>, thus allowing for the presence of overlap in the input,
-  and checking for ``orphan'' indices. 
-  If <code>globalcheck=.false.</code>, the subroutine will not check for
-  overlap, and may be substantially faster, but
-  the user is implicitly guaranteeing that there are neither orphan
-  nor overlap indices. Optionally, the user may specify <code>nl</code>, in
-  which case the portion <code>vl(1:nl)</code> is used. 
+ SRC="img97.png"
+ ALT="$(1\dots mg)$"> is
+  specified in the input lists   <code>vl</code>, thus allowing for the
+  presence of overlap in the input,   and checking for ``orphan''
+  indices.    If <code>globalcheck=.false.</code>, the subroutine will not
+  check for   overlap, and may be significantly faster, but   the user
+  is implicitly guaranteeing that there are neither orphan   nor
+  overlap indices.  
 </DD>
 <DT><STRONG>nl</STRONG></DT>
-<DD>In this case we are implying a generalized row-block
-  distribution in which each process <IMG
+<DD>If this argument is specified alone (i.e. without <code>vl</code>)
+  the  result is  a generalized row-block   distribution in which each
+  process <IMG
  WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img97.png"
- ALT="$I$"> gets assigned a consecutive
-  chunk of <IMG
- WIDTH="60" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
  SRC="img98.png"
- ALT="$N_I=nl$"> global indices.
+ ALT="$I$"> gets assigned a consecutive   chunk of <IMG
+ WIDTH="60" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
+ SRC="img99.png"
+ ALT="$N_I=nl$"> global
+  indices. 
 </DD>
 <DT><STRONG>repl</STRONG></DT>
-<DD>In this case we are asking to replicate all indices on
+<DD>This arguments specifies to replicate all indices on
   all processes. This is a special purpose data allocation that is
   useful in the construction of some multilevel preconditioners.
 </DD>

docs/html/node44.html

@@ -96,7 +96,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer array of length <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$">.
 </DD>
 <DT><STRONG>ja</STRONG></DT>
@@ -110,7 +110,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer array of length <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$">.
 </DD>
 </DL>

docs/html/node48.html

@@ -104,7 +104,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer value <IMG
  WIDTH="47" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img100.png"
+ SRC="img101.png"
  ALT="$nl\ge 0$">. 
 </DD>
 <DT><STRONG>extype</STRONG></DT>

docs/html/node49.html

@@ -131,7 +131,7 @@ An integer value; 0 means no error has been detected.
 </LI>
 <LI>Providing a good estimate for the number of nonzeroes <IMG
  WIDTH="32" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img101.png"
+ SRC="img102.png"
  ALT="$nnz$"> in
   the assembled matrix may substantially improve performance in the
   matrix build phase, as it will reduce or eliminate the need for

docs/html/node50.html

@@ -91,7 +91,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer array of size <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$">.
 </DD>
 <DT><STRONG>ja</STRONG></DT>
@@ -105,7 +105,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer array of size <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$">.
 </DD>
 <DT><STRONG>val</STRONG></DT>
@@ -119,11 +119,11 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an array of size <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$">. Must be of the same type and kind
 of the <code>aspk</code> component of the sparse matrix <IMG
  WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img102.png"
+ SRC="img103.png"
  ALT="$a$">.
 </DD>
 <DT><STRONG>desc_a</STRONG></DT>

docs/html/node54.html

@@ -90,7 +90,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: Integer scalar, default <IMG
  WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img103.png"
+ SRC="img104.png"
  ALT="$1$">. It is not a valid argument  if <IMG
  WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
  SRC="img26.png"
@@ -108,7 +108,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: Integer scalar, default <IMG
  WIDTH="12" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img103.png"
+ SRC="img104.png"
  ALT="$1$">. It is not a valid argument if <IMG
  WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
  SRC="img26.png"

docs/html/node55.html

@@ -71,7 +71,7 @@ call psb_geins(m, irw, val, x, desc_a, info,dupl)
 <DT><STRONG>m</STRONG></DT>
 <DD>Number of rows in <IMG
  WIDTH="25" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img104.png"
+ SRC="img105.png"
  ALT="$val$"> to be inserted.
 <BR>
 Scope:<B>local</B>.
@@ -89,11 +89,11 @@ Specified as: an integer value.
  ALT="$i$">
   of <IMG
  WIDTH="25" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img104.png"
+ SRC="img105.png"
  ALT="$val$"> will be inserted into the local row corresponding to the
   global row index <IMG
  WIDTH="47" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img105.png"
+ SRC="img106.png"
  ALT="$irw(i)$">.
 Scope:<B>local</B>.
 <BR>

docs/html/node58.html

@@ -75,7 +75,7 @@ call psb_gelp(trans, iperm, x, info)
  SRC="img1.png"
  ALT="$A$"> or <IMG
  WIDTH="26" HEIGHT="20" ALIGN="BOTTOM" BORDER="0"
- SRC="img106.png"
+ SRC="img107.png"
  ALT="$A^T$">.
 <BR>
 Scope: <B>local</B> 
@@ -89,7 +89,7 @@ Specified as: a single character with value 'N' for <IMG
  SRC="img1.png"
  ALT="$A$"> or 'T' for <IMG
  WIDTH="26" HEIGHT="20" ALIGN="BOTTOM" BORDER="0"
- SRC="img106.png"
+ SRC="img107.png"
  ALT="$A^T$">.
 <BR></DD>
 <DT><STRONG>iperm</STRONG></DT>

docs/html/node67.html

@@ -80,7 +80,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img107.png"
+ SRC="img108.png"
  ALT="$&gt;0$">.
 </DD>
 <DT><STRONG>a</STRONG></DT>
@@ -116,7 +116,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img107.png"
+ SRC="img108.png"
  ALT="$&gt;0$">. When append is true, specifies how many
 entries in the output vectors are already filled. 
 </DD>
@@ -131,10 +131,10 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img107.png"
+ SRC="img108.png"
  ALT="$&gt;0$">, default: <IMG
  WIDTH="31" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img108.png"
+ SRC="img109.png"
  ALT="$row$">.
 
 <P>
@@ -209,12 +209,12 @@ An integer value; 0 means no error has been detected.
 <OL>
 <LI>The output <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img100.png"
  ALT="$nz$"> is always the size of the output generated by
   the current call; thus, if <code>append=.true.</code>, the total output
   size will be <IMG
  WIDTH="74" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img109.png"
+ SRC="img110.png"
  ALT="$nzin+nz$">, with the newly extracted coefficients stored in
   entries <code>nzin+1:nzin+nz</code> of the array arguments;
 </LI>

docs/html/node69.html

@@ -73,7 +73,7 @@ call psb_hsort(x,ix,dir,flag)
 <P>
 These  serial routines sort a sequence <IMG
  WIDTH="18" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img110.png"
+ SRC="img111.png"
  ALT="$X$"> into ascending or
 descending  order. The argument meaning is identical for the three
 calls; the only difference is the algorithm used to accomplish the
@@ -99,7 +99,7 @@ Type:<B>optional</B>.
 <BR>
 Specified as: an integer array of (at least) the same size as <IMG
  WIDTH="18" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img110.png"
+ SRC="img111.png"
  ALT="$X$">.
 </DD>
 <DT><STRONG>dir</STRONG></DT>
@@ -123,7 +123,7 @@ default <code>psb_lsort_up_</code>.
 <DT><STRONG>flag</STRONG></DT>
 <DD>Whether to keep the original values in <IMG
  WIDTH="27" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img111.png"
+ SRC="img112.png"
  ALT="$IX$">.
 <BR>
 Type:<B>optional</B>.
@@ -185,10 +185,10 @@ position as the corresponding entries in <IMG
  -->
 <IMG
  WIDTH="180" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img112.png"
+ SRC="img113.png"
  ALT="$flag = psb\_sort\_ovw\_idx\_$"> then the entries in <IMG
  WIDTH="62" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img113.png"
+ SRC="img114.png"
  ALT="$ix(1:n)$">
   where <IMG
  WIDTH="14" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
@@ -202,7 +202,7 @@ position as the corresponding entries in <IMG
  -->
 <IMG
  WIDTH="66" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img114.png"
+ SRC="img115.png"
  ALT="$ix(i) \leftarrow
 i$">; thus, upon return from the subroutine, for each
   index <IMG
@@ -210,10 +210,10 @@ i$">; thus, upon return from the subroutine, for each
  SRC="img4.png"
  ALT="$i$"> we have in <IMG
  WIDTH="37" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img115.png"
+ SRC="img116.png"
  ALT="$ix(i)$"> the position that the item <IMG
  WIDTH="31" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img116.png"
+ SRC="img117.png"
  ALT="$x(i)$">
   occupied in the original data sequence;
 </LI>
@@ -222,16 +222,16 @@ i$">; thus, upon return from the subroutine, for each
  -->
 <IMG
  WIDTH="185" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img117.png"
+ SRC="img118.png"
  ALT="$flag = psb\_sort\_keep\_idx\_$"> the routine will assume that
   the entries in <IMG
  WIDTH="35" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img118.png"
+ SRC="img119.png"
  ALT="$ix(:)$"> have already been initialized by the user;
 </LI>
 <LI>The three sorting algorithms have a similar <IMG
  WIDTH="74" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img119.png"
+ SRC="img120.png"
  ALT="$O(n \log n)$"> expected
   running time; in the average case quicksort will be the
   fastest and merge-sort the slowest. However note that:
@@ -239,7 +239,7 @@ i$">; thus, upon return from the subroutine, for each
 <OL>
 <LI>The worst case running time for quicksort is <IMG
  WIDTH="45" HEIGHT="34" ALIGN="MIDDLE" BORDER="0"
- SRC="img120.png"
+ SRC="img121.png"
  ALT="$O(n^2)$">; the algorithm
   implemented here follows the well-known median-of-three heuristics,
   but the worst case may still apply;
@@ -247,7 +247,7 @@ i$">; thus, upon return from the subroutine, for each
 <LI>The worst case running time for merge-sort and heap-sort is
   <IMG
  WIDTH="74" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img119.png"
+ SRC="img120.png"
  ALT="$O(n \log n)$"> as the average case;
 </LI>
 <LI>The merge-sort algorithm is implemented to take advantage of 

docs/html/node71.html

@@ -107,7 +107,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer array.  Default: use the indices <IMG
  WIDTH="94" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img93.png"
+ SRC="img94.png"
  ALT="$(0\dots np-1)$">.  
 </DD>
 </DL>
@@ -141,7 +141,7 @@ Specified as: an integer variable.
 </LI>
 <LI>It is an error to specify a value for <IMG
  WIDTH="22" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img121.png"
+ SRC="img122.png"
  ALT="$np$"> greater than the
   number of processes available in the underlying base parallel
   environment. 

docs/html/node72.html

@@ -104,7 +104,7 @@ Specified as: an integer value. <!-- MATH
  -->
 <IMG
  WIDTH="139" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img122.png"
+ SRC="img123.png"
  ALT="$-1 \le iam \le np-1$"> </DD>
 <DT><STRONG>np</STRONG></DT>
 <DD>Number of processes in the PSBLAS virtual parallel machine.
@@ -128,14 +128,14 @@ Specified as: an integer variable.  </DD>
  -->
 <IMG
  WIDTH="128" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img123.png"
+ SRC="img124.png"
  ALT="$0 \le iam \le np-1$">;
 </LI>
 <LI>If the user has requested on <code>psb_init</code> a number of
   processes less than the total available in the parallel execution
   environment, the remaining processes will have on return <IMG
  WIDTH="73" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img124.png"
+ SRC="img125.png"
  ALT="$iam=-1$">;
   the only call involving <code>icontxt</code> that any such process may
   execute is  to <code>psb_exit</code>. 

docs/html/node73.html

@@ -103,7 +103,7 @@ Specified as: a logical  variable, default value: true.
 <LI>This routine may be called even if a previous call to
   <code>psb_info</code> has returned with <IMG
  WIDTH="73" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img124.png"
+ SRC="img125.png"
  ALT="$iam=-1$">; indeed, it it is the only
   routine that may be called with argument <code>icontxt</code> in this
   situation.

docs/html/node75.html

@@ -63,7 +63,7 @@ call psb_get_rank(rank, icontxt, id)
 <P>
 This subroutine returns the MPI rank of the  PSBLAS process <IMG
  WIDTH="18" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img125.png"
+ SRC="img126.png"
  ALT="$id$">
 <DL>
 <DT><STRONG>Type:</STRONG></DT>
@@ -98,7 +98,7 @@ Specified as: an integer value. <!-- MATH
  -->
 <IMG
  WIDTH="113" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img126.png"
+ SRC="img127.png"
  ALT="$0 \le id \le np-1$"> </DD>
 </DL>
 
@@ -110,7 +110,7 @@ Specified as: an integer value. <!-- MATH
 <DT><STRONG>rank</STRONG></DT>
 <DD>The MPI rank associated with the  PSBLAS process <IMG
  WIDTH="18" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img125.png"
+ SRC="img126.png"
  ALT="$id$">.
 <BR>
 Scope: <B>local</B>.

docs/html/node79.html

@@ -109,7 +109,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="153" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img127.png"
+ SRC="img128.png"
  ALT="$0&lt;= root &lt;= np-1$">, default 0  </DD>
 </DL>
 

docs/html/node80.html

@@ -112,7 +112,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img128.png"
+ SRC="img129.png"
  ALT="$-1&lt;= root &lt;= np-1$">, default -1.  </DD>
 </DL>
 

docs/html/node81.html

@@ -112,7 +112,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img128.png"
+ SRC="img129.png"
  ALT="$-1&lt;= root &lt;= np-1$">, default -1. 
 <BR></DD>
 </DL>

docs/html/node82.html

@@ -112,7 +112,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img128.png"
+ SRC="img129.png"
  ALT="$-1&lt;= root &lt;= np-1$">, default -1. 
 <BR></DD>
 </DL>

docs/html/node83.html

@@ -112,7 +112,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img128.png"
+ SRC="img129.png"
  ALT="$-1&lt;= root &lt;= np-1$">, default -1. 
 <BR></DD>
 </DL>

docs/html/node84.html

@@ -112,7 +112,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img128.png"
+ SRC="img129.png"
  ALT="$-1&lt;= root &lt;= np-1$">, default -1. 
 <BR></DD>
 </DL>

docs/html/node85.html

@@ -93,7 +93,7 @@ Intent: <B>in</B>.
 Specified as: an integer, real or complex variable, which may be a
 scalar, or a rank 1 or 2 array, or a character or logical scalar.  Type, kind and  rank must agree on sender and receiver process; if <IMG
  WIDTH="18" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img129.png"
+ SRC="img130.png"
  ALT="$m$"> is
 not specified, size must agree as well. 
 </DD>
@@ -111,7 +111,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="145" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img130.png"
+ SRC="img131.png"
  ALT="$0&lt;= dst &lt;= np-1$">. 
 <BR></DD>
 <DT><STRONG>m</STRONG></DT>
@@ -128,16 +128,16 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="172" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img131.png"
+ SRC="img132.png"
  ALT="$0&lt;= m &lt;= size(dat,1)$">. 
 <BR>
 When <IMG
  WIDTH="26" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img132.png"
+ SRC="img133.png"
  ALT="$dat$"> is a rank 2 array, specifies the number of rows to be sent
 independently of the leading dimension <IMG
  WIDTH="83" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img133.png"
+ SRC="img134.png"
  ALT="$size(dat,1)$">; must have the
 same value on sending and receiving processes.
 </DD>
@@ -157,7 +157,7 @@ same value on sending and receiving processes.
 <LI>This subroutine implies a synchronization, but only between the
   calling process and the destination  process <IMG
  WIDTH="25" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img134.png"
+ SRC="img135.png"
  ALT="$dst$">.
 </LI>
 </OL>

docs/html/node86.html

@@ -94,7 +94,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="147" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img135.png"
+ SRC="img136.png"
  ALT="$0&lt;= src &lt;= np-1$">. 
 <BR></DD>
 <DT><STRONG>m</STRONG></DT>
@@ -111,16 +111,16 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="172" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img131.png"
+ SRC="img132.png"
  ALT="$0&lt;= m &lt;= size(dat,1)$">. 
 <BR>
 When <IMG
  WIDTH="26" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img132.png"
+ SRC="img133.png"
  ALT="$dat$"> is a rank 2 array, specifies the number of rows to be sent
 independently of the leading dimension <IMG
  WIDTH="83" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img133.png"
+ SRC="img134.png"
  ALT="$size(dat,1)$">; must have the
 same value on sending and receiving processes.
 </DD>
@@ -143,7 +143,7 @@ Intent: <B>inout</B>.
 Specified as: an integer, real or complex variable, which may be a
 scalar, or a rank 1 or 2 array, or a character or logical scalar.  Type, kind and  rank must agree on sender and receiver process; if <IMG
  WIDTH="18" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img129.png"
+ SRC="img130.png"
  ALT="$m$"> is
 not specified, size must agree as well. 
 </DD>
@@ -156,7 +156,7 @@ not specified, size must agree as well.
 <LI>This subroutine implies a synchronization, but only between the
   calling process and the source  process <IMG
  WIDTH="26" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img136.png"
+ SRC="img137.png"
  ALT="$src$">.
 </LI>
 </OL>

docs/html/node87.html

@@ -94,7 +94,7 @@ explicitly.
 
 <P>
 
-<DIV ALIGN="CENTER"><A NAME="fig:routerr"></A><A NAME="6404"></A>
+<DIV ALIGN="CENTER"><A NAME="fig:routerr"></A><A NAME="6408"></A>
 <TABLE>
 <CAPTION ALIGN="BOTTOM"><STRONG>Figure 8:</STRONG>
 The layout of a generic <TT>psb_foo</TT>
@@ -124,7 +124,7 @@ called by <code>psb_spasb</code> ... by process 0 (i.e. the root process).
 
 <P>
 
-<DIV ALIGN="CENTER"><A NAME="fig:errormsg"></A><A NAME="6405"></A>
+<DIV ALIGN="CENTER"><A NAME="fig:errormsg"></A><A NAME="6409"></A>
 <TABLE>
 <CAPTION ALIGN="BOTTOM"><STRONG>Figure 9:</STRONG>
 A sample PSBLAS-2.0 error

docs/html/node99.html

@@ -104,9 +104,9 @@ Error code: if no error, 0 is returned.
 Legal inputs to this subroutine are interpreted depending on the
 <IMG
  WIDTH="42" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img139.png"
+ SRC="img140.png"
  ALT="$ptype$"> string as follows<A NAME="tex2html28"
-  HREF="footnode.html#foot6737"><SUP>3</SUP></A>:
+  HREF="footnode.html#foot6741"><SUP>3</SUP></A>:
 <DL>
 <DT><STRONG>NONE</STRONG></DT>
 <DD>No preconditioning, i.e. the preconditioner is just a copy
@@ -129,7 +129,7 @@ Legal inputs to this subroutine are interpreted depending on the
   by the data allocation boundaries for each process; requires no
   communication. Only the incomplete factorization <IMG
  WIDTH="56" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img140.png"
+ SRC="img141.png"
  ALT="$ILU(0)$"> is
   currently implemented.  
 </DD>

docs/src/toolsrout.tex

@@ -10,8 +10,8 @@
 
 \begin{verbatim}
 call psb_cdall(icontxt, desc_a, info,mg=mg,parts=parts)
-call psb_cdall(icontxt, desc_a, info,vg=vg,flag=flag)
-call psb_cdall(icontxt, desc_a, info,vl=vl,nl=nl,globalcheck=.true.)
+call psb_cdall(icontxt, desc_a, info,vg=vg,[mg=mg,flag=flag])
+call psb_cdall(icontxt, desc_a, info,vl=vl,[nl=nl,globalcheck=.true.])
 call psb_cdall(icontxt, desc_a, info,nl=nl)
 call psb_cdall(icontxt, desc_a, info,mg=mg,repl=.true.)
 \end{verbatim}
@@ -51,8 +51,8 @@ Specified as: an integer value. It is required if \verb|parts| or
 Scope:{\bf global}.\\
 Type:{\bf required}.\\
 Specified as: a subroutine. 
-\item[vl] Data allocation: the set of global indices belonging to the
-  calling process. \\
+\item[vl] Data allocation: the set of global indices 
+  $vl(1:nl)$ belonging to the calling process. \\
 Scope:{\bf local}.\\
 Type:{\bf optional}.\\
 Intent: {\bf in}.\\
@@ -126,30 +126,34 @@ An integer value; 0 means no error has been detected.
     processes, i.e. we have an overlap among the subdomains.
   \end{description}
 \item[vg] In this case the association between an index and a process
-  is specified via an integer vector; the size of the index space is
-  equal to the size of \verb|vg|, and each index $i$ is assigned to
-  the process $vg(i)$. The vector \verb|vg| must be identical on all
+  is specified via an integer vector  \verb|vg(1:mg)|; 
+  each index $i \in \{1\dots mg\}$  is assigned to process $vg(i)$. 
+  The vector \verb|vg| must be identical on all
   calling processes; its entries may have the ranges $(0\dots np-1)$
-  or $(1\dots np)$ according to the value of \verb|flag|.  Optionally,
-  the user may specify \verb|mg|, in 
-  which case the portion \verb|vg(1:mg)| is used. 
-\item[vl] In this case we are specifying the list of indices assigned
-  to the current process; thus, the global problem size $mg$ is given by
+  or $(1\dots np)$ according to the value of \verb|flag|.  
+  The size $mg$ may be  specified via the optional argument \verb|mg|;
+  the default is to use the entire vector \verb|vg|, thus having
+  \verb|mg=size(vg)|. 
+\item[vl] In this case we are specifying the list of indices
+  \verb|vl(1:nl)| assigned   to the current process; thus, the global
+  problem size $mg$ is given by 
   the range of the aggregate of the individual vectors \verb|vl| specified
-  in the calling processes. If \verb|globalcheck=.true.| 
-  the subroutine will check how many times  each entry in the global
-  index   space $(1\dots mg)$ is specified in the input lists
-  \verb|vl|, thus allowing for the presence of overlap in the input,
-  and checking for ``orphan'' indices. 
-  If \verb|globalcheck=.false.|, the subroutine will not check for
-  overlap, and may be substantially faster, but
-  the user is implicitly guaranteeing that there are neither orphan
-  nor overlap indices. Optionally, the user may specify \verb|nl|, in
-  which case the portion \verb|vl(1:nl)| is used. 
-\item[nl] In this case we are implying a generalized row-block
-  distribution in which each process $I$ gets assigned a consecutive
-  chunk of $N_I=nl$ global indices.
-\item[repl] In this case we are asking to replicate all indices on
+  in the calling processes. The size may be specified via the optional
+  argument \verb|nl|; the default is to use the entire vector  \verb|vl|, thus having
+  \verb|nl=size(vl)|.  
+  If \verb|globalcheck=.true.|   the subroutine will check how many
+  times  each entry in the global   index   space $(1\dots mg)$ is
+  specified in the input lists   \verb|vl|, thus allowing for the
+  presence of overlap in the input,   and checking for ``orphan''
+  indices.    If \verb|globalcheck=.false.|, the subroutine will not
+  check for   overlap, and may be significantly faster, but   the user
+  is implicitly guaranteeing that there are neither orphan   nor
+  overlap indices.  
+\item[nl] If this argument is specified alone (i.e. without \verb|vl|)
+  the  result is  a generalized row-block   distribution in which each
+  process $I$ gets assigned a consecutive   chunk of $N_I=nl$ global
+  indices. 
+\item[repl] This arguments specifies to replicate all indices on
   all processes. This is a special purpose data allocation that is
   useful in the construction of some multilevel preconditioners.
 \end{description}