mld2p4-2:

docs/html/img100.png
 docs/html/img101.png
 docs/html/img102.png
 docs/html/img103.png
 docs/html/img104.png
 docs/html/img94.png
 docs/html/img95.png
 docs/html/img96.png
 docs/html/img97.png
 docs/html/img98.png
 docs/html/img99.png
 docs/html/node12.html
 docs/html/node14.html
 docs/html/node15.html
 docs/html/node18.html
 docs/html/node20.html
 docs/html/node26.html
 docs/mld2p4-2.0-guide.pdf
 docs/src/gettingstarted.tex
 docs/src/userinterface.tex
 mlprec/archive/mld_c_as_smoother_impl.f90
 mlprec/archive/mld_c_onelev_impl.f90
 mlprec/archive/mld_d_as_smoother_impl.f90
 mlprec/archive/mld_d_onelev_impl.f90
 mlprec/archive/mld_s_as_smoother_impl.f90
 mlprec/archive/mld_s_onelev_impl.f90
 mlprec/archive/mld_z_as_smoother_impl.f90
 mlprec/impl/level/mld_c_base_onelev_check.f90
 mlprec/impl/level/mld_d_base_onelev_check.f90
 mlprec/impl/level/mld_s_base_onelev_check.f90
 mlprec/impl/level/mld_z_base_onelev_check.f90
 mlprec/impl/mld_cmlprec_bld.f90
 mlprec/impl/mld_dmlprec_bld.f90
 mlprec/impl/mld_smlprec_bld.f90
 mlprec/impl/mld_z_onelev_impl.f90
 mlprec/impl/mld_zmlprec_bld.f90
 mlprec/impl/smoother/mld_c_as_smoother_check.f90
 mlprec/impl/smoother/mld_d_as_smoother_check.f90
 mlprec/impl/smoother/mld_s_as_smoother_check.f90
 mlprec/impl/smoother/mld_z_as_smoother_check.f90
 mlprec/mld_base_prec_type.F90
 mlprec/mld_c_ilu_solver.f90
 mlprec/mld_d_ilu_solver.f90
 mlprec/mld_s_ilu_solver.f90
 mlprec/mld_z_ilu_solver.f90
 tests/fileread/Makefile
 tests/fileread/df_sample.f90
 tests/fileread/runs/dfs.inp

Unify checks for INT nonnegative or positive.

docs/html/node12.html

@@ -727,7 +727,7 @@ $w = y_1$;
 \begin{tabbing}
 \quad \=\quad...
 ...= y_l+r_l$\\
-\textbf{endfor}  [1mm]
+\textbf{endfor} \\ [1mm]
 $w = y_1$;
 \end{tabbing}}
 \end{minipage}}">

docs/html/node14.html

@@ -165,9 +165,9 @@ Preconditioner types, corresponding strings and default choices.
 <TD ALIGN="LEFT"><code>'ML'</code></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=221>Multi-level hybrid preconditioner (additive on the
                                     same level and multiplicative through the levels),
-                                    with post-smoothing only.
+                                    with pre- and post-smoothing.
                                     Number of levels: 2.
-	                                  Post-smoother: RAS with overlap 1 and ILU(0)
+	                                  Smoother: RAS with overlap 1 and ILU(0)
                                     on the local blocks.
                                     Aggregation: decoupled smoothed aggregation with
                                     threshold <IMG

docs/html/node15.html

@@ -108,7 +108,7 @@ Setup and application of the default multi-level Schwarz preconditioner.
 ! preconditioner
   type(mld_dprec_type)  :: P
 ! right-hand side and solution vectors
-  real(kind(1.d0))      :: b(:), x(:)
+  type(psb_d_vect_type) :: b, x
 ... ...
 !
 ! initialize the parallel environment
@@ -122,8 +122,9 @@ Setup and application of the default multi-level Schwarz preconditioner.
 !
 ! initialize the default multi-level preconditioner, i.e. hybrid
 ! Schwarz, using RAS (with overlap 1 and ILU(0) on the blocks) 
-! as post-smoother and 4 block-Jacobi sweeps (with UMFPACK LU
-! on the blocks) as distributed coarse-level solver
+! as pre- and post-smoother and 4 block-Jacobi sweeps 
+! (with UMFPACK LU on the blocks) as distributed coarse-level 
+! solver.
   call mld_precinit(P,'ML',info)
 !
 ! build the preconditioner
@@ -208,9 +209,10 @@ Setup of a hybrid three-level Schwarz preconditioner.</CAPTION>
 ! a coarsest matrix replicated on the processors, and the 
 ! LU factorization from UMFPACK as coarse-level solver
   call mld_precinit(P,'ML',info,nlev=3)
-  call_mld_precset(P,mld_smoother_type_,'BJAC',info)
-  call mld_precset(P,mld_coarse_mat_,'REPL',info)
-  call mld_precset(P,mld_coarse_solve_,'UMF',info)
+  call_mld_precset(P,'SMOOTHER_TYPE','BJAC',info)
+  call_mld_precset(P,'SMOOTHER_POS,'POST'w,info)
+  call mld_precset(P,'COARSE_MAT','REPL',info)
+  call mld_precset(P,'COARSE_SOLVE','UMF',info)
 ... ...
 </PRE>
 </TD></TR>
@@ -240,9 +242,9 @@ Setup of an additive three-level Schwarz preconditioner.</CAPTION>
 ! post-smoother, and 5 block-Jacobi sweeps (with UMFPACK LU
 ! on the blocks) as distributed coarsest-level solver
   call mld_precinit(P,'ML',info,nlev=3)
-  call mld_precset(P,mld_ml_type_,'ADD',info)
-  call_mld_precset(P,mld_smoother_pos_,'TWOSIDE',info)
-  call mld_precset(P,mld_coarse_sweeps_,5,info)
+  call mld_precset(P,'ML_TYPE','ADD',info)
+  call_mld_precset(P,'SMOOTHER_POS','TWOSIDE',info)
+  call mld_precset(P,'COARSE_SWEEPS',5,info)
 ... ...
 </PRE>
 </TD></TR>
@@ -269,7 +271,7 @@ Setup of a one-level Schwarz preconditioner.</CAPTION>
 ... ...
 ! set RAS with overlap 2 and ILU(0) on the local blocks
   call mld_precinit(P,'AS',info)
-  call mld_precset(P,mld_sub_ovr_,2,info)
+  call mld_precset(P,'SUB_OVR',2,info)
 ... ...
 </PRE>
 </TD></TR>

docs/html/node18.html

@@ -193,7 +193,7 @@ according to their needs.
 
 <P>
 <BR><P></P>
-<DIV ALIGN="CENTER"><A NAME="1266"></A>
+<DIV ALIGN="CENTER"><A NAME="1267"></A>
 <TABLE>
 <CAPTION><STRONG>Table 2:</STRONG>
 Parameters defining the type of multi-level preconditioner.
@@ -225,7 +225,7 @@ Parameters defining the type of multi-level preconditioner.
 <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=142><code>mld_smoother_pos_</code> <BR><code>SMOOTHER_POS</code></TD>
 <TD ALIGN="LEFT"><code>character(len=*)</code></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=57><TT>'PRE'</TT>    <TT>'POST'</TT>    <TT>'TWOSIDE'</TT></TD>
-<TD ALIGN="LEFT"><TT>'POST'</TT></TD>
+<TD ALIGN="LEFT"><TT>'TWOSIDE'</TT></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>``Position'' of the smoother: pre-smoother, post-smoother, 
                            pre- and post-smoother.</TD>
 </TR>
@@ -238,7 +238,7 @@ Parameters defining the type of multi-level preconditioner.
 
 <P>
 <BR><P></P>
-<DIV ALIGN="CENTER"><A NAME="1268"></A>
+<DIV ALIGN="CENTER"><A NAME="1269"></A>
 <TABLE>
 <CAPTION><STRONG>Table 3:</STRONG>
 Parameters defining the one-level preconditioner used as smoother.
@@ -339,7 +339,7 @@ Parameters defining the one-level preconditioner used as smoother.
 
 <P>
 <BR><P></P>
-<DIV ALIGN="CENTER"><A NAME="1270"></A>
+<DIV ALIGN="CENTER"><A NAME="1271"></A>
 <TABLE>
 <CAPTION><STRONG>Table 4:</STRONG>
 Parameters defining the aggregation algorithm.
@@ -385,12 +385,28 @@ Parameters defining the aggregation algorithm.
  WIDTH="56" HEIGHT="36" ALIGN="MIDDLE" BORDER="0"
  SRC="img92.png"
  ALT="$\in [0, 1]$"></TD>
-<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>0</TD>
+<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>0.05</TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=170>Threshold <IMG
  WIDTH="13" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
  SRC="img93.png"
  ALT="$\theta$"> in the aggregation algorithm.</TD>
 </TR>
+<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=142><code>mld_aggr_scale_</code> <BR><code>AGGR_SCALE</code></TD>
+<TD ALIGN="LEFT"><code>real(</code><I>kind_parameter</I><code>)</code></TD>
+<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>Any&nbsp;real&nbsp;num. <IMG
+ WIDTH="56" HEIGHT="36" ALIGN="MIDDLE" BORDER="0"
+ SRC="img92.png"
+ ALT="$\in [0, 1]$"></TD>
+<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>1.0</TD>
+<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=170>Scale factor applied to the threshold going
+ from level <IMG
+ WIDTH="33" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
+ SRC="img94.png"
+ ALT="$ilev$"> to level <IMG
+ WIDTH="63" HEIGHT="34" ALIGN="MIDDLE" BORDER="0"
+ SRC="img95.png"
+ ALT="$ilev+1$">.</TD>
+</TR>
 <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=142><code>mld_aggr_omega_alg_</code>  <BR><code>AGGR_OMEGA_ALG</code></TD>
 <TD ALIGN="LEFT"><code>character(len=*)</code></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'EIG_EST'</TT>   <TT>'USER_CHOICE'</TT></TD>
@@ -426,7 +442,7 @@ Parameters defining the aggregation algorithm.
  -->
 <IMG
  WIDTH="113" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img94.png"
+ SRC="img96.png"
  ALT="$4/(3\rho(D^{-1}A))$"></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=170>Damping parameter <IMG
  WIDTH="16" HEIGHT="18" ALIGN="BOTTOM" BORDER="0"
@@ -438,7 +454,7 @@ Parameters defining the aggregation algorithm.
                            otherwise it is computed by the library, using the
                            selected estimate of the spectral radius <IMG
  WIDTH="73" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img95.png"
+ SRC="img97.png"
  ALT="$\rho(D^{-1}A)$"> of
                            <IMG
  WIDTH="50" HEIGHT="21" ALIGN="BOTTOM" BORDER="0"
@@ -454,7 +470,7 @@ Parameters defining the aggregation algorithm.
 
 <P>
 <BR><P></P>
-<DIV ALIGN="CENTER"><A NAME="1273"></A>
+<DIV ALIGN="CENTER"><A NAME="1274"></A>
 <TABLE>
 <CAPTION><STRONG>Table 5:</STRONG>
 Parameters defining the coarse-space correction at the coarsest
@@ -512,7 +528,7 @@ level.</CAPTION>
 <TD ALIGN="LEFT"><code>integer</code></TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=91>Any&nbsp;int.&nbsp;num.&nbsp;<IMG
  WIDTH="32" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
- SRC="img96.png"
+ SRC="img98.png"
  ALT="$&gt; 0$"></TD>
 <TD ALIGN="LEFT">4</TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=142>Number of Block-Jacobi sweeps when 'BJAC' is used as

docs/html/node20.html

@@ -69,14 +69,14 @@ This routine computes <!-- MATH
  -->
 <IMG
  WIDTH="117" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img97.png"
- ALT="$y = op(M^{-1})  x$">, where <IMG
+ SRC="img99.png"
+ ALT="$y = op(M^{-1})\, x$">, where <IMG
  WIDTH="23" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
  SRC="img60.png"
  ALT="$M$"> is a previously built
 preconditioner, stored into <code>p</code>, and <IMG
  WIDTH="22" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
- SRC="img98.png"
+ SRC="img100.png"
  ALT="$op$">
 denotes the preconditioner itself or its transpose, according to
 the value of <code>trans</code>.
@@ -106,7 +106,7 @@ and hence it is completely transparent to the user.
 <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
  WIDTH="14" HEIGHT="18" ALIGN="BOTTOM" BORDER="0"
- SRC="img99.png"
+ SRC="img101.png"
  ALT="$x$">. Note that <I>type</I> and   
                 <I>kind_parameter</I> must be chosen according
                 to the real/complex, single/double precision version of MLD2P4 under use.</TD>
@@ -117,7 +117,7 @@ and hence it is completely transparent to the user.
 <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
 <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
  WIDTH="14" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
- SRC="img100.png"
+ SRC="img102.png"
  ALT="$y$">. Note that <I>type</I> and
                 <I>kind_parameter</I> must be chosen according
                 to the real/complex, single/double precision version of MLD2P4 under use.</TD>
@@ -144,28 +144,28 @@ and hence it is completely transparent to the user.
  -->
 <IMG
  WIDTH="132" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img101.png"
+ SRC="img103.png"
  ALT="$op(M^{-1}) = M^{-1}$">;
                 if <code>trans</code> = <code>'T','t'</code> then <!-- MATH
  $op(M^{-1}) = M^{-T}$
  -->
 <IMG
  WIDTH="135" HEIGHT="40" ALIGN="MIDDLE" BORDER="0"
- SRC="img102.png"
+ SRC="img104.png"
  ALT="$op(M^{-1}) = M^{-T}$">
                 (transpose of <IMG
  WIDTH="48" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img103.png"
+ SRC="img105.png"
  ALT="$M^{-1})$">;  if <code>trans</code> = <code>'C','c'</code> then <!-- MATH
  $op(M^{-1}) = M^{-C}$
  -->
 <IMG
  WIDTH="136" HEIGHT="40" ALIGN="MIDDLE" BORDER="0"
- SRC="img104.png"
+ SRC="img106.png"
  ALT="$op(M^{-1}) = M^{-C}$">
                 (conjugate transpose of <IMG
  WIDTH="48" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
- SRC="img103.png"
+ SRC="img105.png"
  ALT="$M^{-1})$">.</TD>
 </TR>
 <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>work</code></TD>

docs/html/node26.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 Salvatore Filippone on 2015-10-14
+The translation was initiated by Filippone on 2015-12-17
 <BR><HR>
 
 </BODY>

docs/src/gettingstarted.tex

@@ -85,9 +85,9 @@ Additive Schwarz  & \verb|'AS'|   & Restricted Additive Schwarz (RAS),
                                     with overlap 1 and ILU(0) on the local blocks. \\ \hline
 Multilevel        &\verb|'ML'|    & Multi-level hybrid preconditioner (additive on the
                                     same level and multiplicative through the levels),
-                                    with post-smoothing only.
+                                    with pre- and post-smoothing.
                                     Number of levels: 2.
-	                                  Post-smoother: RAS with overlap 1 and ILU(0)
+	                                  Smoother: RAS with overlap 1 and ILU(0)
                                     on the local blocks.
                                     Aggregation: decoupled smoothed aggregation with
                                     threshold $\theta = 0$.
@@ -151,7 +151,7 @@ the corresponding Fortran 95 codes are available in \verb|examples/fileread/|.
 ! preconditioner
   type(mld_dprec_type)  :: P
 ! right-hand side and solution vectors
-  real(kind(1.d0))      :: b(:), x(:)
+  type(psb_d_vect_type) :: b, x
 ... ...
 !
 ! initialize the parallel environment
@@ -165,8 +165,9 @@ the corresponding Fortran 95 codes are available in \verb|examples/fileread/|.
 !
 ! initialize the default multi-level preconditioner, i.e. hybrid
 ! Schwarz, using RAS (with overlap 1 and ILU(0) on the blocks) 
-! as post-smoother and 4 block-Jacobi sweeps (with UMFPACK LU
-! on the blocks) as distributed coarse-level solver
+! as pre- and post-smoother and 4 block-Jacobi sweeps 
+! (with UMFPACK LU on the blocks) as distributed coarse-level 
+! solver.
   call mld_precinit(P,'ML',info)
 !
 ! build the preconditioner
@@ -249,9 +250,10 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
 ! a coarsest matrix replicated on the processors, and the 
 ! LU factorization from UMFPACK as coarse-level solver
   call mld_precinit(P,'ML',info,nlev=3)
-  call_mld_precset(P,mld_smoother_type_,'BJAC',info)
-  call mld_precset(P,mld_coarse_mat_,'REPL',info)
-  call mld_precset(P,mld_coarse_solve_,'UMF',info)
+  call_mld_precset(P,'SMOOTHER_TYPE','BJAC',info)
+  call_mld_precset(P,'SMOOTHER_POS,'POST'w,info)
+  call mld_precset(P,'COARSE_MAT','REPL',info)
+  call mld_precset(P,'COARSE_SOLVE','UMF',info)
 ... ...
 \end{verbatim}
 }
@@ -272,9 +274,9 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
 ! post-smoother, and 5 block-Jacobi sweeps (with UMFPACK LU
 ! on the blocks) as distributed coarsest-level solver
   call mld_precinit(P,'ML',info,nlev=3)
-  call mld_precset(P,mld_ml_type_,'ADD',info)
-  call_mld_precset(P,mld_smoother_pos_,'TWOSIDE',info)
-  call mld_precset(P,mld_coarse_sweeps_,5,info)
+  call mld_precset(P,'ML_TYPE','ADD',info)
+  call_mld_precset(P,'SMOOTHER_POS','TWOSIDE',info)
+  call mld_precset(P,'COARSE_SWEEPS',5,info)
 ... ...
 \end{verbatim}
 }
@@ -292,7 +294,7 @@ boundary conditions are also available in the directory \verb|examples/pdegen|.
 ... ...
 ! set RAS with overlap 2 and ILU(0) on the local blocks
   call mld_precinit(P,'AS',info)
-  call mld_precset(P,mld_sub_ovr_,2,info)
+  call mld_precset(P,'SUB_OVR',2,info)
 ... ...
 \end{verbatim}
 }

docs/src/userinterface.tex

@@ -199,7 +199,7 @@ according to their needs.
                            block Jacobi, AS. \\ \hline
 \verb|mld_smoother_pos_| \break \verb|SMOOTHER_POS| & \verb|character(len=*)|
                          & \texttt{'PRE'} \ \ \ \texttt{'POST'} \ \ \ \texttt{'TWOSIDE'}
-                         & \texttt{'POST'}
+                         & \texttt{'TWOSIDE'}
                          & ``Position'' of the smoother: pre-smoother, post-smoother, 
                            pre- and post-smoother. \\
 \hline
@@ -289,8 +289,13 @@ according to their needs.
                          (i.e.\ using the tentative prolongator). \\ \hline
 \verb|mld_aggr_thresh_| \break \verb|AGGR_THRESH| & \verb|real(|\emph{kind\_parameter}\verb|)|
                          & Any~real~num. $\in [0, 1]$
-                         & 0
+                         & 0.05
                          & Threshold $\theta$ in the aggregation algorithm. \\ \hline
+\verb|mld_aggr_scale_| \break \verb|AGGR_SCALE| & \verb|real(|\emph{kind\_parameter}\verb|)|
+                         & Any~real~num. $\in [0, 1]$
+                         & 1.0
+                         & Scale factor applied to the threshold going
+ from level $ilev$ to level $ilev+1$. \\ \hline
 \verb|mld_aggr_omega_alg_|  \break \verb|AGGR_OMEGA_ALG|& \verb|character(len=*)|
                          & \texttt{'EIG\_EST'} \hspace{2.5cm} \texttt{'USER\_CHOICE'}
                          & \texttt{'EIG\_EST'}

mlprec/archive/mld_c_as_smoother_impl.f90

@@ -64,7 +64,7 @@ subroutine mld_c_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',0,is_legal_n_ovr)
+       & 'Overlap layers ',0,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/archive/mld_c_onelev_impl.f90

@@ -190,11 +190,11 @@ subroutine mld_c_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/archive/mld_d_as_smoother_impl.f90

@@ -64,7 +64,7 @@ subroutine mld_d_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',0,is_legal_n_ovr)
+       & 'Overlap layers ',0,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/archive/mld_d_onelev_impl.f90

@@ -190,11 +190,11 @@ subroutine mld_d_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/archive/mld_s_as_smoother_impl.f90

@@ -64,7 +64,7 @@ subroutine mld_s_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',0,is_legal_n_ovr)
+       & 'Overlap layers ',0,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/archive/mld_s_onelev_impl.f90

@@ -190,11 +190,11 @@ subroutine mld_s_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/archive/mld_z_as_smoother_impl.f90

@@ -64,7 +64,7 @@ subroutine mld_z_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',0,is_legal_n_ovr)
+       & 'Overlap layers ',0,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/impl/level/mld_c_base_onelev_check.f90

@@ -53,11 +53,11 @@ subroutine mld_c_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/impl/level/mld_d_base_onelev_check.f90

@@ -53,11 +53,11 @@ subroutine mld_d_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/impl/level/mld_s_base_onelev_check.f90

@@ -53,11 +53,11 @@ subroutine mld_s_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/impl/level/mld_z_base_onelev_check.f90

@@ -53,11 +53,11 @@ subroutine mld_z_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',ione,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/impl/mld_cmlprec_bld.f90

@@ -475,11 +475,11 @@ subroutine mld_cmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
          & write(debug_unit,*) me,' ',trim(name),&
          & 'Calling mlprcbld at level  ',i
     call mld_check_def(p%precv(i)%parms%sweeps,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_pre,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_post,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     if (.not.allocated(p%precv(i)%sm)) then 
       !! Error: should have called mld_dprecinit
       info=3111

mlprec/impl/mld_dmlprec_bld.f90

@@ -475,11 +475,11 @@ subroutine mld_dmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
          & write(debug_unit,*) me,' ',trim(name),&
          & 'Calling mlprcbld at level  ',i
     call mld_check_def(p%precv(i)%parms%sweeps,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_pre,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_post,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     if (.not.allocated(p%precv(i)%sm)) then 
       !! Error: should have called mld_dprecinit
       info=3111

mlprec/impl/mld_smlprec_bld.f90

@@ -475,11 +475,11 @@ subroutine mld_smlprec_bld(a,desc_a,p,info,amold,vmold,imold)
          & write(debug_unit,*) me,' ',trim(name),&
          & 'Calling mlprcbld at level  ',i
     call mld_check_def(p%precv(i)%parms%sweeps,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_pre,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_post,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     if (.not.allocated(p%precv(i)%sm)) then 
       !! Error: should have called mld_dprecinit
       info=3111

mlprec/impl/mld_z_onelev_impl.f90

@@ -186,11 +186,11 @@ subroutine mld_z_base_onelev_check(lv,info)
   info = psb_success_
 
   call mld_check_def(lv%parms%sweeps,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_pre,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
   call mld_check_def(lv%parms%sweeps_post,&
-       & 'Jacobi sweeps',1,is_legal_jac_sweeps)
+       & 'Jacobi sweeps',1,is_int_positive)
 
 
   if (allocated(lv%sm)) then 

mlprec/impl/mld_zmlprec_bld.f90

@@ -475,11 +475,11 @@ subroutine mld_zmlprec_bld(a,desc_a,p,info,amold,vmold,imold)
          & write(debug_unit,*) me,' ',trim(name),&
          & 'Calling mlprcbld at level  ',i
     call mld_check_def(p%precv(i)%parms%sweeps,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_pre,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     call mld_check_def(p%precv(i)%parms%sweeps_post,&
-         & 'Jacobi sweeps',ione,is_legal_jac_sweeps)
+         & 'Jacobi sweeps',ione,is_int_positive)
     if (.not.allocated(p%precv(i)%sm)) then 
       !! Error: should have called mld_dprecinit
       info=3111

mlprec/impl/smoother/mld_c_as_smoother_check.f90

@@ -57,7 +57,7 @@ subroutine mld_c_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',izero,is_legal_n_ovr)
+       & 'Overlap layers ',izero,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/impl/smoother/mld_d_as_smoother_check.f90

@@ -57,7 +57,7 @@ subroutine mld_d_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',izero,is_legal_n_ovr)
+       & 'Overlap layers ',izero,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/impl/smoother/mld_s_as_smoother_check.f90

@@ -57,7 +57,7 @@ subroutine mld_s_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',izero,is_legal_n_ovr)
+       & 'Overlap layers ',izero,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/impl/smoother/mld_z_as_smoother_check.f90

@@ -57,7 +57,7 @@ subroutine mld_z_as_smoother_check(sm,info)
   call mld_check_def(sm%prol,&
        & 'Prolongator',psb_none_,is_legal_prolong)
   call mld_check_def(sm%novr,&
-       & 'Overlap layers ',izero,is_legal_n_ovr)
+       & 'Overlap layers ',izero,is_int_non_negative)
 
 
   if (allocated(sm%sv)) then 

mlprec/mld_base_prec_type.F90

@@ -640,14 +640,14 @@ contains
     is_legal_base_prec = ((ip>=mld_noprec_).and.(ip<=mld_max_prec_))
     return
   end function is_legal_base_prec
-  function is_legal_n_ovr(ip)
+  function is_int_non_negative(ip)
     implicit none 
     integer(psb_ipk_), intent(in) :: ip
-    logical             :: is_legal_n_ovr
+    logical             :: is_int_non_negative
 
-    is_legal_n_ovr = (ip >= 0) 
+    is_int_non_negative = (ip >= 0) 
     return
-  end function is_legal_n_ovr
+  end function is_int_non_negative
   function is_legal_renum(ip)
     implicit none 
     integer(psb_ipk_), intent(in) :: ip
@@ -662,14 +662,14 @@ contains
     is_legal_ilu_scale = ((ip >= mld_ilu_scale_none_).and.(ip <= mld_max_ilu_scale_))
     return
   end function is_legal_ilu_scale
-  function is_legal_jac_sweeps(ip)
+  function is_int_positive(ip)
     implicit none 
     integer(psb_ipk_), intent(in) :: ip
-    logical             :: is_legal_jac_sweeps
+    logical             :: is_int_positive
 
-    is_legal_jac_sweeps = (ip >= 1) 
+    is_int_positive = (ip >= 1) 
     return
-  end function is_legal_jac_sweeps
+  end function is_int_positive
   function is_legal_prolong(ip)
     implicit none 
     integer(psb_ipk_), intent(in) :: ip
@@ -774,14 +774,6 @@ contains
          & (ip==mld_milu_n_).or.(ip==mld_ilu_t_))
     return
   end function is_legal_ilu_fact
-  function is_legal_ml_lev(ip)
-    implicit none 
-    integer(psb_ipk_), intent(in) :: ip
-    logical             :: is_legal_ml_lev
-
-    is_legal_ml_lev = (ip >= 0)
-    return
-  end function is_legal_ml_lev
   function is_legal_d_omega(ip)
     implicit none 
     real(psb_dpk_), intent(in) :: ip

mlprec/mld_c_ilu_solver.f90

@@ -223,7 +223,7 @@ contains
     select case(sv%fact_type)
     case(mld_ilu_n_,mld_milu_n_)      
       call mld_check_def(sv%fill_in,&
-           & 'Level',izero,is_legal_ml_lev)
+           & 'Level',izero,is_int_non_negative)
     case(mld_ilu_t_)                 
       call mld_check_def(sv%thresh,&
            & 'Eps',szero,is_legal_s_fact_thrs)

mlprec/mld_d_ilu_solver.f90

@@ -223,7 +223,7 @@ contains
     select case(sv%fact_type)
     case(mld_ilu_n_,mld_milu_n_)      
       call mld_check_def(sv%fill_in,&
-           & 'Level',izero,is_legal_ml_lev)
+           & 'Level',izero,is_int_non_negative)
     case(mld_ilu_t_)                 
       call mld_check_def(sv%thresh,&
            & 'Eps',dzero,is_legal_d_fact_thrs)

mlprec/mld_s_ilu_solver.f90

@@ -223,7 +223,7 @@ contains
     select case(sv%fact_type)
     case(mld_ilu_n_,mld_milu_n_)      
       call mld_check_def(sv%fill_in,&
-           & 'Level',izero,is_legal_ml_lev)
+           & 'Level',izero,is_int_non_negative)
     case(mld_ilu_t_)                 
       call mld_check_def(sv%thresh,&
            & 'Eps',szero,is_legal_s_fact_thrs)

mlprec/mld_z_ilu_solver.f90

@@ -223,7 +223,7 @@ contains
     select case(sv%fact_type)
     case(mld_ilu_n_,mld_milu_n_)      
       call mld_check_def(sv%fill_in,&
-           & 'Level',izero,is_legal_ml_lev)
+           & 'Level',izero,is_int_non_negative)
     case(mld_ilu_t_)                 
       call mld_check_def(sv%thresh,&
            & 'Eps',dzero,is_legal_d_fact_thrs)

tests/fileread/Makefile

@@ -8,6 +8,7 @@ MLD_LIB=-L$(MLDLIBDIR) -lpsb_krylov -lmld_prec -lpsb_prec
 PSBLAS_LIB= -L$(PSBLIBDIR)  -lpsb_util  -lpsb_base
 FINCLUDES=$(FMFLAG). $(FMFLAG)$(MLDINCDIR)  $(FMFLAG)$(PSBINCDIR) $(FIFLAG).
 
+DFSAOBJS=df_sample_alya.o data_input.o
 DFSOBJS=df_sample.o data_input.o
 SFSOBJS=sf_sample.o data_input.o
 CFSOBJS=cf_sample.o data_input.o
@@ -15,13 +16,18 @@ ZFSOBJS=zf_sample.o data_input.o
 
 EXEDIR=./runs
 
-all: sf_sample df_sample cf_sample zf_sample
+all: sf_sample df_sample cf_sample zf_sample df_sample_alya
 
 df_sample: $(DFSOBJS)
 	$(F90LINK) $(LINKOPT) $(DFSOBJS) -o df_sample \
 	$(MLD_LIB)  $(PSBLAS_LIB) $(LDLIBS)
 	/bin/mv df_sample $(EXEDIR) 
 
+df_sample_alya: $(DFSAOBJS)
+	$(F90LINK) $(LINKOPT) $(DFSAOBJS) -o df_sample_alya \
+	$(MLD_LIB)  $(PSBLAS_LIB) $(LDLIBS)
+	/bin/mv df_sample_alya $(EXEDIR) 
+
 sf_sample: $(SFSOBJS)
 	$(F90LINK) $(LINKOPT) $(SFSOBJS) -o sf_sample \
 	$(MLD_LIB)  $(PSBLAS_LIB) $(LDLIBS)
@@ -42,10 +48,12 @@ df_sample.o: data_input.o
 cf_sample.o: data_input.o
 zf_sample.o: data_input.o
 
+df_sample_alya.o: data_input.o
+
 clean: 
 	/bin/rm -f $(DFSOBJS) $(ZFSOBJS) $(SFSOBJS)  $(DFSOBJS) \
         *$(.mod) $(EXEDIR)/sf_sample $(EXEDIR)/cf_sample  \
-	$(EXEDIR)/df_sample $(EXEDIR)/zf_sample
+	$(EXEDIR)/df_sample_alya $(EXEDIR)/df_sample $(EXEDIR)/zf_sample
 
 lib:
 	(cd ../../; make library)

tests/fileread/df_sample.f90

@@ -71,6 +71,7 @@ program df_sample
     real(psb_dpk_)     :: cthres      ! threshold for coarse fact.  ILU(T)
     integer(psb_ipk_)  :: cjswp       ! block-Jacobi sweeps
     real(psb_dpk_)     :: athres      ! smoothed aggregation threshold
+    real(psb_dpk_)     :: ascale      ! smoothed aggregation scale factor
   end type precdata
   type(precdata)       :: prec_choice
 
@@ -98,17 +99,18 @@ program df_sample
   real(psb_dpk_)    :: err, eps
 
   character(len=5)  :: afmt
-  character(len=20) :: name
+  character(len=20) :: name, renum
   integer(psb_ipk_), parameter :: iunit=12
   integer(psb_ipk_) :: iparm(20)
+  character(len=40) :: fprefix
 
   ! other variables
-  integer(psb_ipk_) :: i,info,j,m_problem
+  integer(psb_ipk_) :: i,info,j,m_problem, lbw,ubw,prf
   integer(psb_ipk_) :: internal, m,ii,nnzero
   real(psb_dpk_)    :: t1, t2, tprec
   real(psb_dpk_)    :: r_amax, b_amax, scale,resmx,resmxp
   integer(psb_ipk_) :: nrhs, nrow, n_row, dim, nv, ne
-  integer(psb_ipk_), allocatable :: ivg(:), ipv(:)
+  integer(psb_ipk_), allocatable :: ivg(:), ipv(:),perm(:)
 
   call psb_init(ictxt)
   call psb_info(ictxt,iam,np)
@@ -171,7 +173,7 @@ program df_sample
 
     m_problem = aux_a%get_nrows()
     call psb_bcast(ictxt,m_problem)
-
+    
     ! At this point aux_b may still be unallocated
     if (psb_size(aux_b,dim=ione) == m_problem) then
       ! if any rhs were present, broadcast the first one
@@ -191,7 +193,6 @@ program df_sample
         b_col_glob(i) = 1.d0
       enddo
     endif
-    call psb_bcast(ictxt,b_col_glob(1:m_problem))
   else
     call psb_bcast(ictxt,m_problem)
     call psb_realloc(m_problem,1,aux_b,ircode)
@@ -200,9 +201,35 @@ program df_sample
       goto 9999
     endif
     b_col_glob =>aux_b(:,1)
-    call psb_bcast(ictxt,b_col_glob(1:m_problem)) 
   end if
 
+  !
+  ! Renumbering?   
+  !
+  if (iam==psb_root_) then 
+    renum='NONE'
+    call psb_cmp_bwpf(aux_a,lbw,ubw,prf,info)
+    write(*,*) 'Bandwidth and profile (original): ',lbw,ubw,prf
+    write(*,*) 'Renumbering algorithm           : ',psb_toupper(renum)
+    if (trim(psb_toupper(renum))/='NONE') then 
+      call psb_mat_renum(renum,aux_a,info,perm=perm)
+      if (info /= 0) then 
+        write(0,*) 'Error from RENUM',info
+        goto 9999
+      end if
+      
+      call psb_gelp('N',perm(1:m_problem),&
+           & b_col_glob(1:m_problem),info)
+      call psb_cmp_bwpf(aux_a,lbw,ubw,prf,info)
+    end if
+  
+    write(*,*) 'Bandwidth and profile (renumbrd):',lbw,ubw,prf
+  end if
+  
+  call psb_bcast(ictxt,b_col_glob(1:m_problem)) 
+
+  call aux_a%clean_zeros(info)
+  
   ! switch over different partition types
   if (ipart == 0) then 
     call psb_barrier(ictxt)
@@ -267,6 +294,7 @@ program df_sample
     call mld_precset(prec,mld_aggr_alg_,        prec_choice%aggr_alg,info)
     call mld_precset(prec,mld_ml_type_,         prec_choice%mltype,  info)
     call mld_precset(prec,mld_smoother_pos_,    prec_choice%smthpos, info)
+    call mld_precset(prec,mld_aggr_scale_,      prec_choice%ascale,  info)
     call mld_precset(prec,mld_aggr_thresh_,     prec_choice%athres,  info)
     call mld_precset(prec,mld_coarse_solve_,    prec_choice%csolve,  info)
     call mld_precset(prec,mld_coarse_subsolve_, prec_choice%csbsolve,info)
@@ -304,6 +332,11 @@ program df_sample
     write(psb_out_unit,'(" ")')
   end if
 
+  write(fprefix,'(a,i3.3,a,i3.3)') 'proc-',iam,'-',np
+  call prec%dump(info,head='Pressure test case',ac=.true.)
+    
+
+  
   iparm = 0
   call psb_barrier(ictxt)
   t1 = psb_wtime()
@@ -434,6 +467,7 @@ contains
         call read_data(prec%cthres,psb_inp_unit)   ! Threshold for fact.  ILU(T)
         call read_data(prec%cjswp,psb_inp_unit)    ! Jacobi sweeps
         call read_data(prec%athres,psb_inp_unit)   ! smoother aggr thresh
+        call read_data(prec%ascale,psb_inp_unit)   ! smoother aggr thresh
       end if
     end if
 
@@ -471,6 +505,7 @@ contains
       call psb_bcast(icontxt,prec%cthres)      ! Threshold for fact.  ILU(T)
       call psb_bcast(icontxt,prec%cjswp)       ! Jacobi sweeps
       call psb_bcast(icontxt,prec%athres)      ! smoother aggr thresh
+      call psb_bcast(icontxt,prec%ascale)      ! smoother aggr scale factor
     end if
 
   end subroutine get_parms

tests/fileread/runs/dfs.inp

@@ -1,15 +1,15 @@
-thm1000x600.mtx               ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or 
-NONE                        ! rhs          | http://www.cise.ufl.edu/research/sparse/matrices/index.html
+pressmat.mtx                ! This matrix (and others) from: http://math.nist.gov/MatrixMarket/ or 
+pressrhs.mtx                ! rhs          | http://www.cise.ufl.edu/research/sparse/matrices/index.html
 MM                          ! 
 BICGSTAB                    ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
 CSR                         ! Storage format: CSR COO JAD 
 2                           ! IPART (partition method): 0 (block)  2 (graph, with Metis) 
 2                           ! ISTOPC
-00500                       ! ITMAX
+01000                       ! ITMAX
 02                          ! ITRACE
 30                          ! IRST (restart for RGMRES and BiCGSTABL) 
-1.d-5                       ! EPS
-3L-M-RAS-I-D4               ! Longer descriptive name for preconditioner (up to 20 chars) 
+1.d-9                       ! EPS
+4L-M-RAS-I-UR               ! Longer descriptive name for preconditioner (up to 20 chars) 
 ML                          ! Preconditioner type: NONE JACOBI BJAC AS ML
 1                           ! Number of overlap layers for AS preconditioner
 HALO                        ! AS restriction operator: NONE HALO 
@@ -18,7 +18,7 @@ ILU                         ! AS subdomain solver: DSCALE ILU MILU ILUT UMF SLU
 0                           ! Fill level P for ILU(P) and ILU(T,P)
 1.d-4                       ! Threshold T for ILU(T,P) 
 1                           ! Number of Jacobi sweeps for base smoother
-3                           ! Number of levels in a multilevel preconditioner
+4                           ! Number of levels in a multilevel preconditioner
 AS                          ! Smoother type  JACOBI BJAC AS ignored for non-ML
 SMOOTHED                    ! Type of aggregation: SMOOTHED NONSMOOTHED
 DEC                         ! Type of aggregation: DEC
@@ -27,7 +27,8 @@ TWOSIDE                     ! Side of correction PRE POST TWOSIDE (ignored for A
 DIST                        ! Coarsest-level matrix distribution: DIST  REPL           
 BJAC                        ! Coarsest-level solver: JACOBI BJAC UMF SLU SLUDIST
 ILU                         ! Coarsest-level subsolver: ILU UMF SLU SLUDIST (DSCALE for JACOBI)
-0                           ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
+1                           ! Coarsest-level fillin P for ILU(P) and ILU(T,P)
 1.d-4                       ! Coarsest-level threshold T for ILU(T,P) 
-4                           ! Number of Jacobi sweeps for BJAC/PJAC coarsest-level solver
-0.01d0                      ! Smoothed aggregation threshold: >= 0.0
+2                           ! Number of Jacobi sweeps for BJAC/PJAC coarsest-level solver
+0.0125d0                    ! Smoothed aggregation threshold: >= 0.0
+0.5                         ! Smoothed aggregation scaling factor.