New WRK methods in onelev data structure.

mlprec/mld_c_onelev_mod.f90

@@ -125,12 +125,17 @@ module mld_c_onelev_mod
     type(psb_c_vect_type)  :: vtx, vty, vx2l, vy2l
     integer(psb_ipk_)        :: wvsz = 0
     type(psb_c_vect_type), allocatable :: wv(:)
+  contains
+    procedure, pass(wk) :: alloc      => c_wrk_alloc
+    procedure, pass(wk) :: free       => c_wrk_free
+    procedure, pass(wk) :: clone      => c_wrk_clone
+    procedure, pass(wk) :: move_alloc => c_wrk_move_alloc
   end type mld_cmlprec_wrk_type
 
   type mld_c_onelev_type
     class(mld_c_base_smoother_type), allocatable :: sm, sm2a
     class(mld_c_base_smoother_type), pointer :: sm2 => null()
-    type(mld_cmlprec_wrk_type)        :: wrk
+    class(mld_cmlprec_wrk_type), allocatable :: wrk
     type(mld_sml_parms)              :: parms 
     type(psb_cspmat_type)            :: ac
     integer(psb_ipk_)                :: ac_nz_loc, ac_nz_tot
@@ -177,7 +182,8 @@ module mld_c_onelev_mod
   private :: c_base_onelev_default, c_base_onelev_sizeof, &
        & c_base_onelev_nullify, c_base_onelev_get_nzeros, &
        & c_base_onelev_clone, c_base_onelev_move_alloc, &
-       & c_base_onelev_get_wrksize, c_base_onelev_allocate_wrk, c_base_onelev_free_wrk
+       & c_base_onelev_get_wrksize, c_base_onelev_allocate_wrk, &
+       & c_base_onelev_free_wrk
 
 
 
@@ -586,24 +592,9 @@ contains
     integer(psb_ipk_) :: nwv, i
     info = psb_success_
     nwv = lv%get_wrksz()
-    call psb_geasb(lv%wrk%vx2l,&
+    if (.not.allocated(lv%wrk)) allocate(lv%wrk,stat=info)
-         & lv%base_desc,info,&
+    if (info == 0) call lv%wrk%alloc(nwv,lv%base_desc,info,vmold=vmold)
-         & scratch=.true.,mold=vmold)
+    
-    call psb_geasb(lv%wrk%vy2l,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vtx,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vty,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    allocate(lv%wrk%wv(nwv),stat=info)
-    do i=1,nwv
-      call psb_geasb(lv%wrk%wv(i),&
-           & lv%base_desc,info,&
-           & scratch=.true.,mold=vmold)
-    end do
   end subroutine c_base_onelev_allocate_wrk
 
   
@@ -615,15 +606,123 @@ contains
     !
     integer(psb_ipk_) :: nwv,i 
     info = psb_success_
-    call lv%wrk%vx2l%free(info)
+
-    call lv%wrk%vy2l%free(info)
+    call lv%wrk%free(info)
-    call lv%wrk%vtx%free(info)
+    if (info == 0) deallocate(lv%wrk,stat=info)
-    call lv%wrk%vty%free(info)
+  end subroutine c_base_onelev_free_wrk
-    nwv = size(lv%wrk%wv)
+  
+  subroutine c_wrk_alloc(wk,nwv,desc,info,vmold)
+    use psb_base_mod
+    
+    Implicit None
+    
+    ! Arguments
+    class(mld_cmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(in)                     :: nwv
+    type(psb_desc_type), intent(in)                   :: desc
+    integer(psb_ipk_), intent(out)                    :: info 
+    class(psb_c_base_vect_type), intent(in), optional  :: vmold
+    !
+    integer(psb_ipk_) :: i
+
+    info = psb_success_
+    call wk%free(info)
+    call psb_geasb(wk%vx2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vy2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vtx,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vty,desc,info,&
+         & scratch=.true.,mold=vmold)
+    allocate(wk%wv(nwv),stat=info)
     do i=1,nwv
-      call lv%wrk%wv(i)%free(info)
+      call psb_geasb(wk%wv(i),desc,info,&
+           & scratch=.true.,mold=vmold)
+    end do
+    
+  end subroutine c_wrk_alloc
+    
+  subroutine c_wrk_free(wk,info)
+
+    Implicit None
+
+    ! Arguments
+    class(mld_cmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+
+    if (allocated(wk%tx)) deallocate(wk%tx, stat=info)
+    if (allocated(wk%ty)) deallocate(wk%ty, stat=info)
+    if (allocated(wk%x2l)) deallocate(wk%x2l, stat=info)
+    if (allocated(wk%y2l)) deallocate(wk%y2l, stat=info)
+    call wk%vtx%free(info)
+    call wk%vty%free(info)
+    call wk%vx2l%free(info)
+    call wk%vy2l%free(info)
+    if (allocated(wk%wv)) then
+      do i=1,size(wk%wv)
+        call wk%wv(i)%free(info)
+      end do
+      deallocate(wk%wv, stat=info)
+    end if
+
+  end subroutine c_wrk_free
+    
+  subroutine c_wrk_clone(wk,wkout,info)
+    use psb_base_mod
+    Implicit None
+
+    ! Arguments
+    class(mld_cmlprec_wrk_type), target, intent(inout) :: wk
+    class(mld_cmlprec_wrk_type), target, intent(inout) :: wkout
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+    
+    call psb_safe_ab_cpy(wk%tx,wkout%tx,info)
+    call psb_safe_ab_cpy(wk%ty,wkout%ty,info)
+    call psb_safe_ab_cpy(wk%x2l,wkout%x2l,info)
+    call psb_safe_ab_cpy(wk%y2l,wkout%y2l,info)
+    call wk%vtx%clone(wkout%vtx,info)
+    call wk%vty%clone(wkout%vty,info)
+    call wk%vx2l%clone(wkout%vx2l,info)
+    call wk%vy2l%clone(wkout%vy2l,info)
+    if (allocated(wkout%wv)) then
+      do i=1,size(wkout%wv)
+        call wkout%wv(i)%free(info)
+      end do
+      deallocate( wkout%wv)
+    end if
+    allocate(wkout%wv(size(wk%wv)),stat=info)
+    do i=1,size(wk%wv)
+      call wk%wv(i)%clone(wkout%wv(i),info)
     end do
+    return
 
-  end subroutine c_base_onelev_free_wrk
+  end subroutine c_wrk_clone
+  
+  subroutine c_wrk_move_alloc(wk, b,info)
+    implicit none
+    class(mld_cmlprec_wrk_type), target, intent(inout) :: wk, b
+    integer(psb_ipk_), intent(out) :: info 
     
+    call b%free(info)
+    call move_alloc(wk%tx,b%tx)
+    call move_alloc(wk%ty,b%ty)
+    call move_alloc(wk%x2l,b%x2l)
+    call move_alloc(wk%y2l,b%y2l)
+    !
+    ! Should define V%move_alloc....
+    call move_alloc(wk%vtx%v,b%vtx%v)
+    call move_alloc(wk%vty%v,b%vty%v)
+    call move_alloc(wk%vx2l%v,b%vx2l%v)
+    call move_alloc(wk%vy2l%v,b%vy2l%v)
+    call move_alloc(wk%wv,b%wv)
+        
+  end subroutine c_wrk_move_alloc
+
 end module mld_c_onelev_mod

mlprec/mld_c_prec_type.f90

@@ -852,24 +852,24 @@ contains
     level = 1
     do level = 1, nlev
       call prec%precv(level)%allocate_wrk(info,vmold=vmold)
-      call psb_geasb(prec%wrk(level)%vx2l,&
+!!$      call psb_geasb(prec%wrk(level)%vx2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vy2l,&
+!!$      call psb_geasb(prec%wrk(level)%vy2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vtx,&
+!!$      call psb_geasb(prec%wrk(level)%vtx,&
-         & prec%precv(level)%base_desc,info,&
+!!$         & prec%precv(level)%base_desc,info,&
-         & scratch=.true.,mold=vmold)
+!!$         & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vty,&
+!!$      call psb_geasb(prec%wrk(level)%vty,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
+!!$      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
-      do j=1, wv_size_
+!!$      do j=1, wv_size_
-        call psb_geasb(prec%wrk(level)%wv(j),&
+!!$        call psb_geasb(prec%wrk(level)%wv(j),&
-             & prec%precv(level)%base_desc,info,&
+!!$             & prec%precv(level)%base_desc,info,&
-             & scratch=.true.,mold=vmold)
+!!$             & scratch=.true.,mold=vmold)
-      end do
+!!$      end do
       if (psb_errstatus_fatal()) then 
         nc2l = prec%precv(level)%base_desc%get_local_cols()
         info=psb_err_alloc_request_
@@ -912,14 +912,14 @@ contains
       do level = 1, nlev
         call prec%precv(level)%free_wrk(info)
         !write(0,*) 'Free at level ',level,': x2,y2,tx,ty'
-        call prec%wrk(level)%vx2l%free(info)
+!!$        call prec%wrk(level)%vx2l%free(info)
-        call prec%wrk(level)%vy2l%free(info)
+!!$        call prec%wrk(level)%vy2l%free(info)
-        call prec%wrk(level)%vtx%free(info)
+!!$        call prec%wrk(level)%vtx%free(info)
-        call prec%wrk(level)%vty%free(info)
+!!$        call prec%wrk(level)%vty%free(info)
-        !write(0,*) 'Free at level ',level,': vw[123]'
+!!$        !write(0,*) 'Free at level ',level,': vw[123]'
-        do j=1,wv_size_
+!!$        do j=1,wv_size_
-          call prec%wrk(level)%wv(j)%free(info)
+!!$          call prec%wrk(level)%wv(j)%free(info)
-        end do
+!!$        end do
         !write(0,*) 'Free at level ',level,': done'
         if (psb_errstatus_fatal()) then 
           info=psb_err_alloc_request_

mlprec/mld_d_onelev_mod.f90

@@ -125,12 +125,17 @@ module mld_d_onelev_mod
     type(psb_d_vect_type)  :: vtx, vty, vx2l, vy2l
     integer(psb_ipk_)        :: wvsz = 0
     type(psb_d_vect_type), allocatable :: wv(:)
+  contains
+    procedure, pass(wk) :: alloc      => d_wrk_alloc
+    procedure, pass(wk) :: free       => d_wrk_free
+    procedure, pass(wk) :: clone      => d_wrk_clone
+    procedure, pass(wk) :: move_alloc => d_wrk_move_alloc
   end type mld_dmlprec_wrk_type
 
   type mld_d_onelev_type
     class(mld_d_base_smoother_type), allocatable :: sm, sm2a
     class(mld_d_base_smoother_type), pointer :: sm2 => null()
-    type(mld_dmlprec_wrk_type)        :: wrk
+    class(mld_dmlprec_wrk_type), allocatable :: wrk
     type(mld_dml_parms)              :: parms 
     type(psb_dspmat_type)            :: ac
     integer(psb_ipk_)                :: ac_nz_loc, ac_nz_tot
@@ -177,7 +182,8 @@ module mld_d_onelev_mod
   private :: d_base_onelev_default, d_base_onelev_sizeof, &
        & d_base_onelev_nullify, d_base_onelev_get_nzeros, &
        & d_base_onelev_clone, d_base_onelev_move_alloc, &
-       & d_base_onelev_get_wrksize, d_base_onelev_allocate_wrk, d_base_onelev_free_wrk
+       & d_base_onelev_get_wrksize, d_base_onelev_allocate_wrk, &
+       & d_base_onelev_free_wrk
 
 
 
@@ -586,24 +592,9 @@ contains
     integer(psb_ipk_) :: nwv, i
     info = psb_success_
     nwv = lv%get_wrksz()
-    call psb_geasb(lv%wrk%vx2l,&
+    if (.not.allocated(lv%wrk)) allocate(lv%wrk,stat=info)
-         & lv%base_desc,info,&
+    if (info == 0) call lv%wrk%alloc(nwv,lv%base_desc,info,vmold=vmold)
-         & scratch=.true.,mold=vmold)
+    
-    call psb_geasb(lv%wrk%vy2l,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vtx,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vty,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    allocate(lv%wrk%wv(nwv),stat=info)
-    do i=1,nwv
-      call psb_geasb(lv%wrk%wv(i),&
-           & lv%base_desc,info,&
-           & scratch=.true.,mold=vmold)
-    end do
   end subroutine d_base_onelev_allocate_wrk
 
   
@@ -615,15 +606,123 @@ contains
     !
     integer(psb_ipk_) :: nwv,i 
     info = psb_success_
-    call lv%wrk%vx2l%free(info)
+
-    call lv%wrk%vy2l%free(info)
+    call lv%wrk%free(info)
-    call lv%wrk%vtx%free(info)
+    if (info == 0) deallocate(lv%wrk,stat=info)
-    call lv%wrk%vty%free(info)
+  end subroutine d_base_onelev_free_wrk
-    nwv = size(lv%wrk%wv)
+  
+  subroutine d_wrk_alloc(wk,nwv,desc,info,vmold)
+    use psb_base_mod
+    
+    Implicit None
+    
+    ! Arguments
+    class(mld_dmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(in)                     :: nwv
+    type(psb_desc_type), intent(in)                   :: desc
+    integer(psb_ipk_), intent(out)                    :: info 
+    class(psb_d_base_vect_type), intent(in), optional  :: vmold
+    !
+    integer(psb_ipk_) :: i
+
+    info = psb_success_
+    call wk%free(info)
+    call psb_geasb(wk%vx2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vy2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vtx,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vty,desc,info,&
+         & scratch=.true.,mold=vmold)
+    allocate(wk%wv(nwv),stat=info)
     do i=1,nwv
-      call lv%wrk%wv(i)%free(info)
+      call psb_geasb(wk%wv(i),desc,info,&
+           & scratch=.true.,mold=vmold)
+    end do
+    
+  end subroutine d_wrk_alloc
+    
+  subroutine d_wrk_free(wk,info)
+
+    Implicit None
+
+    ! Arguments
+    class(mld_dmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+
+    if (allocated(wk%tx)) deallocate(wk%tx, stat=info)
+    if (allocated(wk%ty)) deallocate(wk%ty, stat=info)
+    if (allocated(wk%x2l)) deallocate(wk%x2l, stat=info)
+    if (allocated(wk%y2l)) deallocate(wk%y2l, stat=info)
+    call wk%vtx%free(info)
+    call wk%vty%free(info)
+    call wk%vx2l%free(info)
+    call wk%vy2l%free(info)
+    if (allocated(wk%wv)) then
+      do i=1,size(wk%wv)
+        call wk%wv(i)%free(info)
+      end do
+      deallocate(wk%wv, stat=info)
+    end if
+
+  end subroutine d_wrk_free
+    
+  subroutine d_wrk_clone(wk,wkout,info)
+    use psb_base_mod
+    Implicit None
+
+    ! Arguments
+    class(mld_dmlprec_wrk_type), target, intent(inout) :: wk
+    class(mld_dmlprec_wrk_type), target, intent(inout) :: wkout
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+    
+    call psb_safe_ab_cpy(wk%tx,wkout%tx,info)
+    call psb_safe_ab_cpy(wk%ty,wkout%ty,info)
+    call psb_safe_ab_cpy(wk%x2l,wkout%x2l,info)
+    call psb_safe_ab_cpy(wk%y2l,wkout%y2l,info)
+    call wk%vtx%clone(wkout%vtx,info)
+    call wk%vty%clone(wkout%vty,info)
+    call wk%vx2l%clone(wkout%vx2l,info)
+    call wk%vy2l%clone(wkout%vy2l,info)
+    if (allocated(wkout%wv)) then
+      do i=1,size(wkout%wv)
+        call wkout%wv(i)%free(info)
+      end do
+      deallocate( wkout%wv)
+    end if
+    allocate(wkout%wv(size(wk%wv)),stat=info)
+    do i=1,size(wk%wv)
+      call wk%wv(i)%clone(wkout%wv(i),info)
     end do
+    return
 
-  end subroutine d_base_onelev_free_wrk
+  end subroutine d_wrk_clone
+  
+  subroutine d_wrk_move_alloc(wk, b,info)
+    implicit none
+    class(mld_dmlprec_wrk_type), target, intent(inout) :: wk, b
+    integer(psb_ipk_), intent(out) :: info 
     
+    call b%free(info)
+    call move_alloc(wk%tx,b%tx)
+    call move_alloc(wk%ty,b%ty)
+    call move_alloc(wk%x2l,b%x2l)
+    call move_alloc(wk%y2l,b%y2l)
+    !
+    ! Should define V%move_alloc....
+    call move_alloc(wk%vtx%v,b%vtx%v)
+    call move_alloc(wk%vty%v,b%vty%v)
+    call move_alloc(wk%vx2l%v,b%vx2l%v)
+    call move_alloc(wk%vy2l%v,b%vy2l%v)
+    call move_alloc(wk%wv,b%wv)
+        
+  end subroutine d_wrk_move_alloc
+
 end module mld_d_onelev_mod

mlprec/mld_d_prec_type.f90

@@ -852,24 +852,24 @@ contains
     level = 1
     do level = 1, nlev
       call prec%precv(level)%allocate_wrk(info,vmold=vmold)
-      call psb_geasb(prec%wrk(level)%vx2l,&
+!!$      call psb_geasb(prec%wrk(level)%vx2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vy2l,&
+!!$      call psb_geasb(prec%wrk(level)%vy2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vtx,&
+!!$      call psb_geasb(prec%wrk(level)%vtx,&
-         & prec%precv(level)%base_desc,info,&
+!!$         & prec%precv(level)%base_desc,info,&
-         & scratch=.true.,mold=vmold)
+!!$         & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vty,&
+!!$      call psb_geasb(prec%wrk(level)%vty,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
+!!$      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
-      do j=1, wv_size_
+!!$      do j=1, wv_size_
-        call psb_geasb(prec%wrk(level)%wv(j),&
+!!$        call psb_geasb(prec%wrk(level)%wv(j),&
-             & prec%precv(level)%base_desc,info,&
+!!$             & prec%precv(level)%base_desc,info,&
-             & scratch=.true.,mold=vmold)
+!!$             & scratch=.true.,mold=vmold)
-      end do
+!!$      end do
       if (psb_errstatus_fatal()) then 
         nc2l = prec%precv(level)%base_desc%get_local_cols()
         info=psb_err_alloc_request_
@@ -912,14 +912,14 @@ contains
       do level = 1, nlev
         call prec%precv(level)%free_wrk(info)
         !write(0,*) 'Free at level ',level,': x2,y2,tx,ty'
-        call prec%wrk(level)%vx2l%free(info)
+!!$        call prec%wrk(level)%vx2l%free(info)
-        call prec%wrk(level)%vy2l%free(info)
+!!$        call prec%wrk(level)%vy2l%free(info)
-        call prec%wrk(level)%vtx%free(info)
+!!$        call prec%wrk(level)%vtx%free(info)
-        call prec%wrk(level)%vty%free(info)
+!!$        call prec%wrk(level)%vty%free(info)
-        !write(0,*) 'Free at level ',level,': vw[123]'
+!!$        !write(0,*) 'Free at level ',level,': vw[123]'
-        do j=1,wv_size_
+!!$        do j=1,wv_size_
-          call prec%wrk(level)%wv(j)%free(info)
+!!$          call prec%wrk(level)%wv(j)%free(info)
-        end do
+!!$        end do
         !write(0,*) 'Free at level ',level,': done'
         if (psb_errstatus_fatal()) then 
           info=psb_err_alloc_request_

mlprec/mld_s_onelev_mod.f90

@@ -125,12 +125,17 @@ module mld_s_onelev_mod
     type(psb_s_vect_type)  :: vtx, vty, vx2l, vy2l
     integer(psb_ipk_)        :: wvsz = 0
     type(psb_s_vect_type), allocatable :: wv(:)
+  contains
+    procedure, pass(wk) :: alloc      => s_wrk_alloc
+    procedure, pass(wk) :: free       => s_wrk_free
+    procedure, pass(wk) :: clone      => s_wrk_clone
+    procedure, pass(wk) :: move_alloc => s_wrk_move_alloc
   end type mld_smlprec_wrk_type
 
   type mld_s_onelev_type
     class(mld_s_base_smoother_type), allocatable :: sm, sm2a
     class(mld_s_base_smoother_type), pointer :: sm2 => null()
-    type(mld_smlprec_wrk_type)        :: wrk
+    class(mld_smlprec_wrk_type), allocatable :: wrk
     type(mld_sml_parms)              :: parms 
     type(psb_sspmat_type)            :: ac
     integer(psb_ipk_)                :: ac_nz_loc, ac_nz_tot
@@ -177,7 +182,8 @@ module mld_s_onelev_mod
   private :: s_base_onelev_default, s_base_onelev_sizeof, &
        & s_base_onelev_nullify, s_base_onelev_get_nzeros, &
        & s_base_onelev_clone, s_base_onelev_move_alloc, &
-       & s_base_onelev_get_wrksize, s_base_onelev_allocate_wrk, s_base_onelev_free_wrk
+       & s_base_onelev_get_wrksize, s_base_onelev_allocate_wrk, &
+       & s_base_onelev_free_wrk
 
 
 
@@ -586,24 +592,9 @@ contains
     integer(psb_ipk_) :: nwv, i
     info = psb_success_
     nwv = lv%get_wrksz()
-    call psb_geasb(lv%wrk%vx2l,&
+    if (.not.allocated(lv%wrk)) allocate(lv%wrk,stat=info)
-         & lv%base_desc,info,&
+    if (info == 0) call lv%wrk%alloc(nwv,lv%base_desc,info,vmold=vmold)
-         & scratch=.true.,mold=vmold)
+    
-    call psb_geasb(lv%wrk%vy2l,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vtx,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vty,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    allocate(lv%wrk%wv(nwv),stat=info)
-    do i=1,nwv
-      call psb_geasb(lv%wrk%wv(i),&
-           & lv%base_desc,info,&
-           & scratch=.true.,mold=vmold)
-    end do
   end subroutine s_base_onelev_allocate_wrk
 
   
@@ -615,15 +606,123 @@ contains
     !
     integer(psb_ipk_) :: nwv,i 
     info = psb_success_
-    call lv%wrk%vx2l%free(info)
+
-    call lv%wrk%vy2l%free(info)
+    call lv%wrk%free(info)
-    call lv%wrk%vtx%free(info)
+    if (info == 0) deallocate(lv%wrk,stat=info)
-    call lv%wrk%vty%free(info)
+  end subroutine s_base_onelev_free_wrk
-    nwv = size(lv%wrk%wv)
+  
+  subroutine s_wrk_alloc(wk,nwv,desc,info,vmold)
+    use psb_base_mod
+    
+    Implicit None
+    
+    ! Arguments
+    class(mld_smlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(in)                     :: nwv
+    type(psb_desc_type), intent(in)                   :: desc
+    integer(psb_ipk_), intent(out)                    :: info 
+    class(psb_s_base_vect_type), intent(in), optional  :: vmold
+    !
+    integer(psb_ipk_) :: i
+
+    info = psb_success_
+    call wk%free(info)
+    call psb_geasb(wk%vx2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vy2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vtx,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vty,desc,info,&
+         & scratch=.true.,mold=vmold)
+    allocate(wk%wv(nwv),stat=info)
     do i=1,nwv
-      call lv%wrk%wv(i)%free(info)
+      call psb_geasb(wk%wv(i),desc,info,&
+           & scratch=.true.,mold=vmold)
+    end do
+    
+  end subroutine s_wrk_alloc
+    
+  subroutine s_wrk_free(wk,info)
+
+    Implicit None
+
+    ! Arguments
+    class(mld_smlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+
+    if (allocated(wk%tx)) deallocate(wk%tx, stat=info)
+    if (allocated(wk%ty)) deallocate(wk%ty, stat=info)
+    if (allocated(wk%x2l)) deallocate(wk%x2l, stat=info)
+    if (allocated(wk%y2l)) deallocate(wk%y2l, stat=info)
+    call wk%vtx%free(info)
+    call wk%vty%free(info)
+    call wk%vx2l%free(info)
+    call wk%vy2l%free(info)
+    if (allocated(wk%wv)) then
+      do i=1,size(wk%wv)
+        call wk%wv(i)%free(info)
+      end do
+      deallocate(wk%wv, stat=info)
+    end if
+
+  end subroutine s_wrk_free
+    
+  subroutine s_wrk_clone(wk,wkout,info)
+    use psb_base_mod
+    Implicit None
+
+    ! Arguments
+    class(mld_smlprec_wrk_type), target, intent(inout) :: wk
+    class(mld_smlprec_wrk_type), target, intent(inout) :: wkout
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+    
+    call psb_safe_ab_cpy(wk%tx,wkout%tx,info)
+    call psb_safe_ab_cpy(wk%ty,wkout%ty,info)
+    call psb_safe_ab_cpy(wk%x2l,wkout%x2l,info)
+    call psb_safe_ab_cpy(wk%y2l,wkout%y2l,info)
+    call wk%vtx%clone(wkout%vtx,info)
+    call wk%vty%clone(wkout%vty,info)
+    call wk%vx2l%clone(wkout%vx2l,info)
+    call wk%vy2l%clone(wkout%vy2l,info)
+    if (allocated(wkout%wv)) then
+      do i=1,size(wkout%wv)
+        call wkout%wv(i)%free(info)
+      end do
+      deallocate( wkout%wv)
+    end if
+    allocate(wkout%wv(size(wk%wv)),stat=info)
+    do i=1,size(wk%wv)
+      call wk%wv(i)%clone(wkout%wv(i),info)
     end do
+    return
 
-  end subroutine s_base_onelev_free_wrk
+  end subroutine s_wrk_clone
+  
+  subroutine s_wrk_move_alloc(wk, b,info)
+    implicit none
+    class(mld_smlprec_wrk_type), target, intent(inout) :: wk, b
+    integer(psb_ipk_), intent(out) :: info 
     
+    call b%free(info)
+    call move_alloc(wk%tx,b%tx)
+    call move_alloc(wk%ty,b%ty)
+    call move_alloc(wk%x2l,b%x2l)
+    call move_alloc(wk%y2l,b%y2l)
+    !
+    ! Should define V%move_alloc....
+    call move_alloc(wk%vtx%v,b%vtx%v)
+    call move_alloc(wk%vty%v,b%vty%v)
+    call move_alloc(wk%vx2l%v,b%vx2l%v)
+    call move_alloc(wk%vy2l%v,b%vy2l%v)
+    call move_alloc(wk%wv,b%wv)
+        
+  end subroutine s_wrk_move_alloc
+
 end module mld_s_onelev_mod

mlprec/mld_s_prec_type.f90

@@ -852,24 +852,24 @@ contains
     level = 1
     do level = 1, nlev
       call prec%precv(level)%allocate_wrk(info,vmold=vmold)
-      call psb_geasb(prec%wrk(level)%vx2l,&
+!!$      call psb_geasb(prec%wrk(level)%vx2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vy2l,&
+!!$      call psb_geasb(prec%wrk(level)%vy2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vtx,&
+!!$      call psb_geasb(prec%wrk(level)%vtx,&
-         & prec%precv(level)%base_desc,info,&
+!!$         & prec%precv(level)%base_desc,info,&
-         & scratch=.true.,mold=vmold)
+!!$         & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vty,&
+!!$      call psb_geasb(prec%wrk(level)%vty,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
+!!$      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
-      do j=1, wv_size_
+!!$      do j=1, wv_size_
-        call psb_geasb(prec%wrk(level)%wv(j),&
+!!$        call psb_geasb(prec%wrk(level)%wv(j),&
-             & prec%precv(level)%base_desc,info,&
+!!$             & prec%precv(level)%base_desc,info,&
-             & scratch=.true.,mold=vmold)
+!!$             & scratch=.true.,mold=vmold)
-      end do
+!!$      end do
       if (psb_errstatus_fatal()) then 
         nc2l = prec%precv(level)%base_desc%get_local_cols()
         info=psb_err_alloc_request_
@@ -912,14 +912,14 @@ contains
       do level = 1, nlev
         call prec%precv(level)%free_wrk(info)
         !write(0,*) 'Free at level ',level,': x2,y2,tx,ty'
-        call prec%wrk(level)%vx2l%free(info)
+!!$        call prec%wrk(level)%vx2l%free(info)
-        call prec%wrk(level)%vy2l%free(info)
+!!$        call prec%wrk(level)%vy2l%free(info)
-        call prec%wrk(level)%vtx%free(info)
+!!$        call prec%wrk(level)%vtx%free(info)
-        call prec%wrk(level)%vty%free(info)
+!!$        call prec%wrk(level)%vty%free(info)
-        !write(0,*) 'Free at level ',level,': vw[123]'
+!!$        !write(0,*) 'Free at level ',level,': vw[123]'
-        do j=1,wv_size_
+!!$        do j=1,wv_size_
-          call prec%wrk(level)%wv(j)%free(info)
+!!$          call prec%wrk(level)%wv(j)%free(info)
-        end do
+!!$        end do
         !write(0,*) 'Free at level ',level,': done'
         if (psb_errstatus_fatal()) then 
           info=psb_err_alloc_request_

mlprec/mld_z_onelev_mod.f90

@@ -125,12 +125,17 @@ module mld_z_onelev_mod
     type(psb_z_vect_type)  :: vtx, vty, vx2l, vy2l
     integer(psb_ipk_)        :: wvsz = 0
     type(psb_z_vect_type), allocatable :: wv(:)
+  contains
+    procedure, pass(wk) :: alloc      => z_wrk_alloc
+    procedure, pass(wk) :: free       => z_wrk_free
+    procedure, pass(wk) :: clone      => z_wrk_clone
+    procedure, pass(wk) :: move_alloc => z_wrk_move_alloc
   end type mld_zmlprec_wrk_type
 
   type mld_z_onelev_type
     class(mld_z_base_smoother_type), allocatable :: sm, sm2a
     class(mld_z_base_smoother_type), pointer :: sm2 => null()
-    type(mld_zmlprec_wrk_type)        :: wrk
+    class(mld_zmlprec_wrk_type), allocatable :: wrk
     type(mld_dml_parms)              :: parms 
     type(psb_zspmat_type)            :: ac
     integer(psb_ipk_)                :: ac_nz_loc, ac_nz_tot
@@ -177,7 +182,8 @@ module mld_z_onelev_mod
   private :: z_base_onelev_default, z_base_onelev_sizeof, &
        & z_base_onelev_nullify, z_base_onelev_get_nzeros, &
        & z_base_onelev_clone, z_base_onelev_move_alloc, &
-       & z_base_onelev_get_wrksize, z_base_onelev_allocate_wrk, z_base_onelev_free_wrk
+       & z_base_onelev_get_wrksize, z_base_onelev_allocate_wrk, &
+       & z_base_onelev_free_wrk
 
 
 
@@ -586,24 +592,9 @@ contains
     integer(psb_ipk_) :: nwv, i
     info = psb_success_
     nwv = lv%get_wrksz()
-    call psb_geasb(lv%wrk%vx2l,&
+    if (.not.allocated(lv%wrk)) allocate(lv%wrk,stat=info)
-         & lv%base_desc,info,&
+    if (info == 0) call lv%wrk%alloc(nwv,lv%base_desc,info,vmold=vmold)
-         & scratch=.true.,mold=vmold)
+    
-    call psb_geasb(lv%wrk%vy2l,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vtx,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    call psb_geasb(lv%wrk%vty,&
-         & lv%base_desc,info,&
-         & scratch=.true.,mold=vmold)
-    allocate(lv%wrk%wv(nwv),stat=info)
-    do i=1,nwv
-      call psb_geasb(lv%wrk%wv(i),&
-           & lv%base_desc,info,&
-           & scratch=.true.,mold=vmold)
-    end do
   end subroutine z_base_onelev_allocate_wrk
 
   
@@ -615,15 +606,123 @@ contains
     !
     integer(psb_ipk_) :: nwv,i 
     info = psb_success_
-    call lv%wrk%vx2l%free(info)
+
-    call lv%wrk%vy2l%free(info)
+    call lv%wrk%free(info)
-    call lv%wrk%vtx%free(info)
+    if (info == 0) deallocate(lv%wrk,stat=info)
-    call lv%wrk%vty%free(info)
+  end subroutine z_base_onelev_free_wrk
-    nwv = size(lv%wrk%wv)
+  
+  subroutine z_wrk_alloc(wk,nwv,desc,info,vmold)
+    use psb_base_mod
+    
+    Implicit None
+    
+    ! Arguments
+    class(mld_zmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(in)                     :: nwv
+    type(psb_desc_type), intent(in)                   :: desc
+    integer(psb_ipk_), intent(out)                    :: info 
+    class(psb_z_base_vect_type), intent(in), optional  :: vmold
+    !
+    integer(psb_ipk_) :: i
+
+    info = psb_success_
+    call wk%free(info)
+    call psb_geasb(wk%vx2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vy2l,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vtx,desc,info,&
+         & scratch=.true.,mold=vmold)
+    call psb_geasb(wk%vty,desc,info,&
+         & scratch=.true.,mold=vmold)
+    allocate(wk%wv(nwv),stat=info)
     do i=1,nwv
-      call lv%wrk%wv(i)%free(info)
+      call psb_geasb(wk%wv(i),desc,info,&
+           & scratch=.true.,mold=vmold)
+    end do
+    
+  end subroutine z_wrk_alloc
+    
+  subroutine z_wrk_free(wk,info)
+
+    Implicit None
+
+    ! Arguments
+    class(mld_zmlprec_wrk_type), target, intent(inout) :: wk
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+
+    if (allocated(wk%tx)) deallocate(wk%tx, stat=info)
+    if (allocated(wk%ty)) deallocate(wk%ty, stat=info)
+    if (allocated(wk%x2l)) deallocate(wk%x2l, stat=info)
+    if (allocated(wk%y2l)) deallocate(wk%y2l, stat=info)
+    call wk%vtx%free(info)
+    call wk%vty%free(info)
+    call wk%vx2l%free(info)
+    call wk%vy2l%free(info)
+    if (allocated(wk%wv)) then
+      do i=1,size(wk%wv)
+        call wk%wv(i)%free(info)
+      end do
+      deallocate(wk%wv, stat=info)
+    end if
+
+  end subroutine z_wrk_free
+    
+  subroutine z_wrk_clone(wk,wkout,info)
+    use psb_base_mod
+    Implicit None
+
+    ! Arguments
+    class(mld_zmlprec_wrk_type), target, intent(inout) :: wk
+    class(mld_zmlprec_wrk_type), target, intent(inout) :: wkout
+    integer(psb_ipk_), intent(out)                    :: info 
+    !
+    integer(psb_ipk_) :: i
+    info = psb_success_
+    
+    call psb_safe_ab_cpy(wk%tx,wkout%tx,info)
+    call psb_safe_ab_cpy(wk%ty,wkout%ty,info)
+    call psb_safe_ab_cpy(wk%x2l,wkout%x2l,info)
+    call psb_safe_ab_cpy(wk%y2l,wkout%y2l,info)
+    call wk%vtx%clone(wkout%vtx,info)
+    call wk%vty%clone(wkout%vty,info)
+    call wk%vx2l%clone(wkout%vx2l,info)
+    call wk%vy2l%clone(wkout%vy2l,info)
+    if (allocated(wkout%wv)) then
+      do i=1,size(wkout%wv)
+        call wkout%wv(i)%free(info)
+      end do
+      deallocate( wkout%wv)
+    end if
+    allocate(wkout%wv(size(wk%wv)),stat=info)
+    do i=1,size(wk%wv)
+      call wk%wv(i)%clone(wkout%wv(i),info)
     end do
+    return
 
-  end subroutine z_base_onelev_free_wrk
+  end subroutine z_wrk_clone
+  
+  subroutine z_wrk_move_alloc(wk, b,info)
+    implicit none
+    class(mld_zmlprec_wrk_type), target, intent(inout) :: wk, b
+    integer(psb_ipk_), intent(out) :: info 
     
+    call b%free(info)
+    call move_alloc(wk%tx,b%tx)
+    call move_alloc(wk%ty,b%ty)
+    call move_alloc(wk%x2l,b%x2l)
+    call move_alloc(wk%y2l,b%y2l)
+    !
+    ! Should define V%move_alloc....
+    call move_alloc(wk%vtx%v,b%vtx%v)
+    call move_alloc(wk%vty%v,b%vty%v)
+    call move_alloc(wk%vx2l%v,b%vx2l%v)
+    call move_alloc(wk%vy2l%v,b%vy2l%v)
+    call move_alloc(wk%wv,b%wv)
+        
+  end subroutine z_wrk_move_alloc
+
 end module mld_z_onelev_mod

mlprec/mld_z_prec_type.f90

@@ -852,24 +852,24 @@ contains
     level = 1
     do level = 1, nlev
       call prec%precv(level)%allocate_wrk(info,vmold=vmold)
-      call psb_geasb(prec%wrk(level)%vx2l,&
+!!$      call psb_geasb(prec%wrk(level)%vx2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vy2l,&
+!!$      call psb_geasb(prec%wrk(level)%vy2l,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vtx,&
+!!$      call psb_geasb(prec%wrk(level)%vtx,&
-         & prec%precv(level)%base_desc,info,&
+!!$         & prec%precv(level)%base_desc,info,&
-         & scratch=.true.,mold=vmold)
+!!$         & scratch=.true.,mold=vmold)
-      call psb_geasb(prec%wrk(level)%vty,&
+!!$      call psb_geasb(prec%wrk(level)%vty,&
-           & prec%precv(level)%base_desc,info,&
+!!$           & prec%precv(level)%base_desc,info,&
-           & scratch=.true.,mold=vmold)
+!!$           & scratch=.true.,mold=vmold)
-      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
+!!$      allocate(prec%wrk(level)%wv(wv_size_),stat=info)
-      do j=1, wv_size_
+!!$      do j=1, wv_size_
-        call psb_geasb(prec%wrk(level)%wv(j),&
+!!$        call psb_geasb(prec%wrk(level)%wv(j),&
-             & prec%precv(level)%base_desc,info,&
+!!$             & prec%precv(level)%base_desc,info,&
-             & scratch=.true.,mold=vmold)
+!!$             & scratch=.true.,mold=vmold)
-      end do
+!!$      end do
       if (psb_errstatus_fatal()) then 
         nc2l = prec%precv(level)%base_desc%get_local_cols()
         info=psb_err_alloc_request_
@@ -912,14 +912,14 @@ contains
       do level = 1, nlev
         call prec%precv(level)%free_wrk(info)
         !write(0,*) 'Free at level ',level,': x2,y2,tx,ty'
-        call prec%wrk(level)%vx2l%free(info)
+!!$        call prec%wrk(level)%vx2l%free(info)
-        call prec%wrk(level)%vy2l%free(info)
+!!$        call prec%wrk(level)%vy2l%free(info)
-        call prec%wrk(level)%vtx%free(info)
+!!$        call prec%wrk(level)%vtx%free(info)
-        call prec%wrk(level)%vty%free(info)
+!!$        call prec%wrk(level)%vty%free(info)
-        !write(0,*) 'Free at level ',level,': vw[123]'
+!!$        !write(0,*) 'Free at level ',level,': vw[123]'
-        do j=1,wv_size_
+!!$        do j=1,wv_size_
-          call prec%wrk(level)%wv(j)%free(info)
+!!$          call prec%wrk(level)%wv(j)%free(info)
-        end do
+!!$        end do
         !write(0,*) 'Free at level ',level,': done'
         if (psb_errstatus_fatal()) then 
           info=psb_err_alloc_request_