mld2p4-2:

mlprec/mld_daggrmat_smth_asb.F90
 mlprec/mld_dcoarse_bld.f90
 mlprec/mld_dilu_bld.f90
 mlprec/mld_dsub_solve.f90
 tests/pdegen/runs/ppde.inp

Found and fixed bugs in building. Some preconditioners work, testing
not complete yet.

mlprec/mld_daggrmat_smth_asb.F90

@@ -222,14 +222,14 @@ subroutine mld_daggrmat_smth_asb(a,desc_a,ilaggr,nlaggr,p,info)
     call acoo4%set_nzeros(nrow)
   endif
   call acoo4%set_dupl(psb_dupl_add_)
-
+  
   call acsr4%mv_from_coo(acoo4,info)
   if (info==0) call a%cscnv(acsr3,info,dupl=psb_dupl_add_)
 
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),&
        & ' Initial copies done.'
-
+  
   if (filter_mat) then
     !
     ! Build the filtered matrix Af from A
@@ -265,6 +265,7 @@ subroutine mld_daggrmat_smth_asb(a,desc_a,ilaggr,nlaggr,p,info)
       end if
     end do
     call acoof%set_nzeros(k)
+    call acoof%set_dupl(psb_dupl_add_)
     call acsrf%mv_from_coo(acoof,info)
   end if
 
@@ -369,6 +370,7 @@ subroutine mld_daggrmat_smth_asb(a,desc_a,ilaggr,nlaggr,p,info)
     if (debug_level >= psb_debug_outer_) &
          & write(debug_unit,*) me,' ',trim(name),&
          & 'Done NUMBMM 1'
+  
   else
     !
     ! Build the smoothed prolongator using the original matrix
@@ -407,6 +409,7 @@ subroutine mld_daggrmat_smth_asb(a,desc_a,ilaggr,nlaggr,p,info)
 
   end if
   call acsr4%free()
+  call acsr1%set_dupl(psb_dupl_add_)
 
   call am1%mv_from(acsr1)
   if (ml_global_nmb) then 
@@ -435,7 +438,7 @@ subroutine mld_daggrmat_smth_asb(a,desc_a,ilaggr,nlaggr,p,info)
   call psb_numbmm(a,am1,am3)
   if (debug_level >= psb_debug_outer_) &
        & write(debug_unit,*) me,' ',trim(name),&
-       & 'Done NUMBMM 2'
+       & 'Done NUMBMM 2',p%iprcparm(mld_aggr_kind_), mld_smooth_prol_
 
   if  (p%iprcparm(mld_aggr_kind_) == mld_smooth_prol_) then 
     call am2%transp(am1)

mlprec/mld_dcoarse_bld.f90

@@ -123,7 +123,8 @@ subroutine mld_dcoarse_bld(a,desc_a,p,info)
   ! 
   call mld_aggrmap_bld(p%iprcparm(mld_aggr_alg_),p%rprcparm(mld_aggr_thresh_),&
        & a,desc_a,ilaggr,nlaggr,info)
-  if(info /= 0) then
+
+  if (info /= 0) then
     call psb_errpush(4010,name,a_err='mld_aggrmap_bld')
     goto 9999
   end if
@@ -134,6 +135,7 @@ subroutine mld_dcoarse_bld(a,desc_a,p,info)
   ! algorithm specified by p%iprcparm(mld_aggr_kind_)
   !
   call mld_aggrmat_asb(a,desc_a,ilaggr,nlaggr,p,info)
+
   if(info /= 0) then
     call psb_errpush(4010,name,a_err='mld_aggrmat_asb')
     goto 9999

mlprec/mld_dilu_bld.f90

@@ -263,7 +263,9 @@ subroutine mld_dilu_bld(a,p,upd,info,blck)
 
   end if
 
+  call p%av(mld_l_pr_)%set_asb()
   call p%av(mld_l_pr_)%trim()
+  call p%av(mld_u_pr_)%set_asb()
   call p%av(mld_u_pr_)%trim()
 
   if (debug_level >= psb_debug_outer_) &

mlprec/mld_dsub_solve.f90

@@ -195,12 +195,12 @@ subroutine mld_dsub_solve(alpha,prec,x,beta,y,desc_data,trans,work,info)
     ! factorization of the blocks (distributed matrix) or approximately
     ! solve a system through ILU(k)/MILU(k)/ILU(k,t) (replicated matrix).
     ! 
-
+    
     select case(trans_)
     case('N')
-
       call psb_spsm(done,prec%av(mld_l_pr_),x,dzero,ww,desc_data,info,&
            & trans=trans_,scale='L',diag=prec%d,choice=psb_none_,work=aux)
+      
       if (info == 0) call psb_spsm(alpha,prec%av(mld_u_pr_),ww,beta,y,desc_data,info,&
            & trans=trans_,scale='U',choice=psb_none_, work=aux)
 
@@ -283,6 +283,7 @@ subroutine mld_dsub_solve(alpha,prec,x,beta,y,desc_data,trans,work,info)
   end select
 
   if (info /= 0) then
+
     call psb_errpush(4001,name,a_err='Error in subsolve')
     goto 9999
   endif

tests/pdegen/runs/ppde.inp

@@ -1,28 +1,28 @@
 BICGSTAB                    ! Iterative method: BiCGSTAB BiCG CGS RGMRES BiCGSTABL CG
 CSR                         ! Storage format CSR COO JAD 
-50                          ! IDIM; domain size is idim**3
+40                          ! IDIM; domain size is idim**3
 2                           ! ISTOPC
 00100                       ! ITMAX
 01                          ! ITRACE
 30                          ! IRST     (restart for RGMRES and BiCGSTABL) 
 1.d-6                       ! EPS
-3L-M-RAS-I-D4               ! Longer descriptive name for preconditioner (up to 20 chars) 
+2L-M-RAS-I-D4               ! Longer descriptive name for preconditioner (up to 20 chars) 
 ML                          ! Preconditioner NONE  DIAG  BJAC  AS ML
-0                           ! Number of overlap layers for AS preconditioner at finest level
+1                           ! Number of overlap layers for AS preconditioner at finest level
 HALO                        ! Restriction operator NONE HALO 
 NONE                        ! Prolongation operator NONE SUM AVG
 ILU                         ! Subdomain solver ILU MILU ILUT UMF SLU 
-0                           ! Level-set N for ILU(N)
+1                           ! Level-set N for ILU(N)
 1.d-4                       ! Threshold T for ILU(T,P) 
-3                           ! Number of levels in a multilevel preconditioner
-MINENERGY                   ! Kind of aggregation: SMOOTHED, NONSMOOTHED, MINENERGY
+2                           ! Number of levels in a multilevel preconditioner
+SMOOTHED                    ! Kind of aggregation: SMOOTHED, NONSMOOTHED, MINENERGY
 DEC                         ! Type of aggregation DEC SYMDEC GLB
 MULT                        ! Type of multilevel correction: ADD MULT
 POST                        ! Side of multiplicative correction PRE POST TWOSIDE (ignored for ADD)
 DIST                        ! Coarse level: matrix distribution DIST  REPL           
 BJAC                        ! Coarse level: solver  BJAC UMF SLU  SLUDIST
 ILU                         ! Coarse level: subsolver  ILU UMF SLU  SLUDIST
-1                           ! Coarse level: Level-set N for ILU(N)
+0                           ! Coarse level: Level-set N for ILU(N)
 1.d-4                       ! Coarse level: Threshold T for ILU(T,P) 
 4                           ! Coarse level: Number of Jacobi sweeps 
 0.10d0                      ! Smoother Aggregation Threshold: >= 0.0