Cleanup variables etc. Fixed Makefile.

mlprec/impl/aggregator/Makefile

@@ -14,6 +14,7 @@ mld_s_dec_aggregator_mat_bld.o \
 mld_s_dec_aggregator_tprol.o \
 mld_s_symdec_aggregator_tprol.o  \
 mld_s_map_to_tprol.o mld_s_soc1_map_bld.o mld_s_soc2_map_bld.o\
+mld_s_spmm_bld_inner.o \
 mld_saggrmat_biz_bld.o mld_saggrmat_minnrg_bld.o\
 mld_saggrmat_nosmth_bld.o mld_saggrmat_smth_bld.o \
 mld_d_dec_aggregator_mat_asb.o \
@@ -29,6 +30,7 @@ mld_c_dec_aggregator_mat_bld.o \
 mld_c_dec_aggregator_tprol.o \
 mld_c_symdec_aggregator_tprol.o  \
 mld_c_map_to_tprol.o mld_c_soc1_map_bld.o mld_c_soc2_map_bld.o\
+mld_c_spmm_bld_inner.o \
 mld_caggrmat_biz_bld.o mld_caggrmat_minnrg_bld.o\
 mld_caggrmat_nosmth_bld.o mld_caggrmat_smth_bld.o \
 mld_z_dec_aggregator_mat_asb.o \
@@ -36,6 +38,7 @@ mld_z_dec_aggregator_mat_bld.o \
 mld_z_dec_aggregator_tprol.o \
 mld_z_symdec_aggregator_tprol.o  \
 mld_z_map_to_tprol.o mld_z_soc1_map_bld.o mld_z_soc2_map_bld.o\
+mld_z_spmm_bld_inner.o \
 mld_zaggrmat_biz_bld.o mld_zaggrmat_minnrg_bld.o\
 mld_zaggrmat_nosmth_bld.o mld_zaggrmat_smth_bld.o 
 

mlprec/impl/aggregator/mld_c_spmm_bld_inner.f90

@@ -56,9 +56,8 @@ subroutine mld_c_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
   integer(psb_ipk_)  :: ictxt,np,me, icomm, ndx, minfo
   character(len=40)  :: name
   integer(psb_ipk_)  :: ierr(5)
-  type(psb_lc_coo_sparse_mat) :: ac_coo, tmpcoo, coo_prol
-  type(psb_lc_csr_sparse_mat) :: acsr2, acsr3, acsr4, csr_prol, ac_csr, csr_restr
-  type(psb_lcspmat_type) :: am3, am4, tmp_prol
+  type(psb_lc_coo_sparse_mat) :: ac_coo, tmpcoo
+  type(psb_lc_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr
   type(psb_desc_type), target  :: tmp_desc
   integer(psb_ipk_) :: debug_level, debug_unit, naggr
   integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nzl, ip, &
@@ -103,14 +102,14 @@ subroutine mld_c_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
        & op_prol%get_fmt(),op_prol%get_nrows(),op_prol%get_ncols(),op_prol%get_nzeros(),&
        & nrow,ntaggr,naggr
 
-  call op_prol%cp_to(coo_prol)
+  call op_prol%cp_to(tmpcoo)
 
-  if (debug) write(0,*)  me,' ',trim(name),' coo_prol: ',&
-       & coo_prol%ia(1:min(10,nzpsave)),' :',coo_prol%ja(1:min(10,nzpsave))
+  if (debug) write(0,*)  me,' ',trim(name),' tmpcoo: ',&
+       & tmpcoo%ia(1:min(10,nzpsave)),' :',tmpcoo%ja(1:min(10,nzpsave))
   call psb_cdall(ictxt,tmp_desc,info,nl=naggr)
-  call tmp_desc%indxmap%g2lip_ins(coo_prol%ja(1:nzpsave),info) 
-  call coo_prol%set_ncols(tmp_desc%get_local_cols())
-  call coo_prol%mv_to_fmt(csr_prol,info)
+  call tmp_desc%indxmap%g2lip_ins(tmpcoo%ja(1:nzpsave),info) 
+  call tmpcoo%set_ncols(tmp_desc%get_local_cols())
+  call tmpcoo%mv_to_fmt(csr_prol,info)
 
   if (debug) write(0,*) me,trim(name),' Product AxPROL ',&
        & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), &

mlprec/impl/aggregator/mld_caggrmat_smth_bld.f90

@@ -126,9 +126,8 @@ subroutine mld_caggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   integer(psb_ipk_) :: ictxt, np, me
   character(len=20) :: name
   type(psb_desc_type) :: tmp_desc
-  type(psb_lcspmat_type) :: la, am3, am4, tmp_prol
   type(psb_lc_coo_sparse_mat) :: tmpcoo
-  type(psb_lc_csr_sparse_mat) :: acsr1, acsr2, acsr3, acsrf, ptilde, csr_prol, acsr
+  type(psb_lc_csr_sparse_mat) :: acsr1,  acsrf, csr_prol, acsr
   complex(psb_spk_), allocatable :: adiag(:)
   real(psb_spk_), allocatable :: arwsum(:)
   integer(psb_ipk_)  :: ierr(5)
@@ -264,7 +263,7 @@ subroutine mld_caggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   call tmpcoo%mv_to_fmt(csr_prol,info)  
   !
   ! Build the smoothed prolongator using either A or Af
-  !    acsr1 = (I-w*D*A)Ptilde     acsr1 = (I-w*D*Af)Ptilde
+  !    acsr1 = (I-w*D*A) Prol      acsr1 = (I-w*D*Af) Prol 
   ! This is always done through the variable acsrf which
   ! is a bit less readable, butsaves space and one extra matrix copy
   ! 

mlprec/impl/aggregator/mld_d_dec_aggregator_tprol.f90

@@ -77,7 +77,6 @@
 subroutine  mld_d_dec_aggregator_build_tprol(ag,parms,ag_data,&
      & a,desc_a,ilaggr,nlaggr,op_prol,info)
   use psb_base_mod
-  use psb_util_mod
   use mld_d_prec_type, mld_protect_name => mld_d_dec_aggregator_build_tprol
   use mld_d_inner_mod
   implicit none
@@ -97,8 +96,6 @@ subroutine  mld_d_dec_aggregator_build_tprol(ag,parms,ag_data,&
   integer(psb_lpk_)           :: ntaggr
   integer(psb_ipk_)           :: debug_level, debug_unit
   logical                      :: clean_zeros
-  logical, parameter :: debug_new=.false.
-  character(len=80) :: filename
 
   name='mld_d_dec_aggregator_tprol'
   call psb_erractionsave(err_act)
@@ -124,21 +121,9 @@ subroutine  mld_d_dec_aggregator_build_tprol(ag,parms,ag_data,&
   ! ag_data except for clean_zeros; soc_map_bld is a procedure pointer.
   !
   clean_zeros = ag%do_clean_zeros
-  if (debug_new) then
-    write(filename,'(a,i3.3,a)') 'pre-a-',me,'.mtx'
-    call a%print(filename,head='Test')
-  end if
- 
   call ag%soc_map_bld(parms%aggr_ord,parms%aggr_thresh,clean_zeros,a,desc_a,nlaggr,ilaggr,info)
 
   if (info==psb_success_) call mld_map_to_tprol(desc_a,ilaggr,nlaggr,op_prol,info)
-  if (debug_new) then
-    write(filename,'(a,i3.3,a)') 'ilaggr-',me,'.mtx'
-    call mm_array_write(ilaggr,' Aggregation vector ',info,filename=filename)
-    write(filename,'(a,i3.3,a)') 'pre-op-prol-',me,'.mtx'
-    call op_prol%print(filename,head='Test')
-  end if
-    
   if (info /= psb_success_) then
     info=psb_err_from_subroutine_
     call psb_errpush(info,name,a_err='soc_map_bld/map_to_tprol')

mlprec/impl/aggregator/mld_d_spmm_bld_inner.f90

@@ -56,9 +56,8 @@ subroutine mld_d_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
   integer(psb_ipk_)  :: ictxt,np,me, icomm, ndx, minfo
   character(len=40)  :: name
   integer(psb_ipk_)  :: ierr(5)
-  type(psb_ld_coo_sparse_mat) :: ac_coo, tmpcoo, coo_prol
-  type(psb_ld_csr_sparse_mat) :: acsr2, acsr3, acsr4, csr_prol, ac_csr, csr_restr
-  type(psb_ldspmat_type) :: am3, am4, tmp_prol
+  type(psb_ld_coo_sparse_mat) :: ac_coo, tmpcoo
+  type(psb_ld_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr
   type(psb_desc_type), target  :: tmp_desc
   integer(psb_ipk_) :: debug_level, debug_unit, naggr
   integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nzl, ip, &
@@ -103,14 +102,14 @@ subroutine mld_d_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
        & op_prol%get_fmt(),op_prol%get_nrows(),op_prol%get_ncols(),op_prol%get_nzeros(),&
        & nrow,ntaggr,naggr
 
-  call op_prol%cp_to(coo_prol)
+  call op_prol%cp_to(tmpcoo)
 
-  if (debug) write(0,*)  me,' ',trim(name),' coo_prol: ',&
-       & coo_prol%ia(1:min(10,nzpsave)),' :',coo_prol%ja(1:min(10,nzpsave))
+  if (debug) write(0,*)  me,' ',trim(name),' tmpcoo: ',&
+       & tmpcoo%ia(1:min(10,nzpsave)),' :',tmpcoo%ja(1:min(10,nzpsave))
   call psb_cdall(ictxt,tmp_desc,info,nl=naggr)
-  call tmp_desc%indxmap%g2lip_ins(coo_prol%ja(1:nzpsave),info) 
-  call coo_prol%set_ncols(tmp_desc%get_local_cols())
-  call coo_prol%mv_to_fmt(csr_prol,info)
+  call tmp_desc%indxmap%g2lip_ins(tmpcoo%ja(1:nzpsave),info) 
+  call tmpcoo%set_ncols(tmp_desc%get_local_cols())
+  call tmpcoo%mv_to_fmt(csr_prol,info)
 
   if (debug) write(0,*) me,trim(name),' Product AxPROL ',&
        & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), &

mlprec/impl/aggregator/mld_daggrmat_smth_bld.f90

@@ -126,9 +126,8 @@ subroutine mld_daggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   integer(psb_ipk_) :: ictxt, np, me
   character(len=20) :: name
   type(psb_desc_type) :: tmp_desc
-  type(psb_ldspmat_type) :: la, am3, am4, tmp_prol
   type(psb_ld_coo_sparse_mat) :: tmpcoo
-  type(psb_ld_csr_sparse_mat) :: acsr1, acsr2, acsr3, acsrf, ptilde, csr_prol, acsr
+  type(psb_ld_csr_sparse_mat) :: acsr1,  acsrf, csr_prol, acsr
   real(psb_dpk_), allocatable :: adiag(:)
   real(psb_dpk_), allocatable :: arwsum(:)
   integer(psb_ipk_)  :: ierr(5)
@@ -264,7 +263,7 @@ subroutine mld_daggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   call tmpcoo%mv_to_fmt(csr_prol,info)  
   !
   ! Build the smoothed prolongator using either A or Af
-  !    acsr1 = (I-w*D*A)Ptilde     acsr1 = (I-w*D*Af)Ptilde
+  !    acsr1 = (I-w*D*A) Prol      acsr1 = (I-w*D*Af) Prol 
   ! This is always done through the variable acsrf which
   ! is a bit less readable, butsaves space and one extra matrix copy
   ! 

mlprec/impl/aggregator/mld_s_spmm_bld_inner.f90

@@ -56,9 +56,8 @@ subroutine mld_s_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
   integer(psb_ipk_)  :: ictxt,np,me, icomm, ndx, minfo
   character(len=40)  :: name
   integer(psb_ipk_)  :: ierr(5)
-  type(psb_ls_coo_sparse_mat) :: ac_coo, tmpcoo, coo_prol
-  type(psb_ls_csr_sparse_mat) :: acsr2, acsr3, acsr4, csr_prol, ac_csr, csr_restr
-  type(psb_lsspmat_type) :: am3, am4, tmp_prol
+  type(psb_ls_coo_sparse_mat) :: ac_coo, tmpcoo
+  type(psb_ls_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr
   type(psb_desc_type), target  :: tmp_desc
   integer(psb_ipk_) :: debug_level, debug_unit, naggr
   integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nzl, ip, &
@@ -103,14 +102,14 @@ subroutine mld_s_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
        & op_prol%get_fmt(),op_prol%get_nrows(),op_prol%get_ncols(),op_prol%get_nzeros(),&
        & nrow,ntaggr,naggr
 
-  call op_prol%cp_to(coo_prol)
+  call op_prol%cp_to(tmpcoo)
 
-  if (debug) write(0,*)  me,' ',trim(name),' coo_prol: ',&
-       & coo_prol%ia(1:min(10,nzpsave)),' :',coo_prol%ja(1:min(10,nzpsave))
+  if (debug) write(0,*)  me,' ',trim(name),' tmpcoo: ',&
+       & tmpcoo%ia(1:min(10,nzpsave)),' :',tmpcoo%ja(1:min(10,nzpsave))
   call psb_cdall(ictxt,tmp_desc,info,nl=naggr)
-  call tmp_desc%indxmap%g2lip_ins(coo_prol%ja(1:nzpsave),info) 
-  call coo_prol%set_ncols(tmp_desc%get_local_cols())
-  call coo_prol%mv_to_fmt(csr_prol,info)
+  call tmp_desc%indxmap%g2lip_ins(tmpcoo%ja(1:nzpsave),info) 
+  call tmpcoo%set_ncols(tmp_desc%get_local_cols())
+  call tmpcoo%mv_to_fmt(csr_prol,info)
 
   if (debug) write(0,*) me,trim(name),' Product AxPROL ',&
        & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), &

mlprec/impl/aggregator/mld_saggrmat_smth_bld.f90

@@ -126,9 +126,8 @@ subroutine mld_saggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   integer(psb_ipk_) :: ictxt, np, me
   character(len=20) :: name
   type(psb_desc_type) :: tmp_desc
-  type(psb_lsspmat_type) :: la, am3, am4, tmp_prol
   type(psb_ls_coo_sparse_mat) :: tmpcoo
-  type(psb_ls_csr_sparse_mat) :: acsr1, acsr2, acsr3, acsrf, ptilde, csr_prol, acsr
+  type(psb_ls_csr_sparse_mat) :: acsr1,  acsrf, csr_prol, acsr
   real(psb_spk_), allocatable :: adiag(:)
   real(psb_spk_), allocatable :: arwsum(:)
   integer(psb_ipk_)  :: ierr(5)
@@ -264,7 +263,7 @@ subroutine mld_saggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   call tmpcoo%mv_to_fmt(csr_prol,info)  
   !
   ! Build the smoothed prolongator using either A or Af
-  !    acsr1 = (I-w*D*A)Ptilde     acsr1 = (I-w*D*Af)Ptilde
+  !    acsr1 = (I-w*D*A) Prol      acsr1 = (I-w*D*Af) Prol 
   ! This is always done through the variable acsrf which
   ! is a bit less readable, butsaves space and one extra matrix copy
   ! 

mlprec/impl/aggregator/mld_z_spmm_bld_inner.f90

@@ -56,9 +56,8 @@ subroutine mld_z_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
   integer(psb_ipk_)  :: ictxt,np,me, icomm, ndx, minfo
   character(len=40)  :: name
   integer(psb_ipk_)  :: ierr(5)
-  type(psb_lz_coo_sparse_mat) :: ac_coo, tmpcoo, coo_prol
-  type(psb_lz_csr_sparse_mat) :: acsr2, acsr3, acsr4, csr_prol, ac_csr, csr_restr
-  type(psb_lzspmat_type) :: am3, am4, tmp_prol
+  type(psb_lz_coo_sparse_mat) :: ac_coo, tmpcoo
+  type(psb_lz_csr_sparse_mat) :: acsr3, csr_prol, ac_csr, csr_restr
   type(psb_desc_type), target  :: tmp_desc
   integer(psb_ipk_) :: debug_level, debug_unit, naggr
   integer(psb_lpk_) :: nrow, nglob, ncol, ntaggr, nzl, ip, &
@@ -103,14 +102,14 @@ subroutine mld_z_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
        & op_prol%get_fmt(),op_prol%get_nrows(),op_prol%get_ncols(),op_prol%get_nzeros(),&
        & nrow,ntaggr,naggr
 
-  call op_prol%cp_to(coo_prol)
+  call op_prol%cp_to(tmpcoo)
 
-  if (debug) write(0,*)  me,' ',trim(name),' coo_prol: ',&
-       & coo_prol%ia(1:min(10,nzpsave)),' :',coo_prol%ja(1:min(10,nzpsave))
+  if (debug) write(0,*)  me,' ',trim(name),' tmpcoo: ',&
+       & tmpcoo%ia(1:min(10,nzpsave)),' :',tmpcoo%ja(1:min(10,nzpsave))
   call psb_cdall(ictxt,tmp_desc,info,nl=naggr)
-  call tmp_desc%indxmap%g2lip_ins(coo_prol%ja(1:nzpsave),info) 
-  call coo_prol%set_ncols(tmp_desc%get_local_cols())
-  call coo_prol%mv_to_fmt(csr_prol,info)
+  call tmp_desc%indxmap%g2lip_ins(tmpcoo%ja(1:nzpsave),info) 
+  call tmpcoo%set_ncols(tmp_desc%get_local_cols())
+  call tmpcoo%mv_to_fmt(csr_prol,info)
 
   if (debug) write(0,*) me,trim(name),' Product AxPROL ',&
        & a_csr%get_nrows(),a_csr%get_ncols(), csr_prol%get_nrows(), &

mlprec/impl/aggregator/mld_zaggrmat_smth_bld.f90

@@ -126,9 +126,8 @@ subroutine mld_zaggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   integer(psb_ipk_) :: ictxt, np, me
   character(len=20) :: name
   type(psb_desc_type) :: tmp_desc
-  type(psb_lzspmat_type) :: la, am3, am4, tmp_prol
   type(psb_lz_coo_sparse_mat) :: tmpcoo
-  type(psb_lz_csr_sparse_mat) :: acsr1, acsr2, acsr3, acsrf, ptilde, csr_prol, acsr
+  type(psb_lz_csr_sparse_mat) :: acsr1,  acsrf, csr_prol, acsr
   complex(psb_dpk_), allocatable :: adiag(:)
   real(psb_dpk_), allocatable :: arwsum(:)
   integer(psb_ipk_)  :: ierr(5)
@@ -264,7 +263,7 @@ subroutine mld_zaggrmat_smth_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_rest
   call tmpcoo%mv_to_fmt(csr_prol,info)  
   !
   ! Build the smoothed prolongator using either A or Af
-  !    acsr1 = (I-w*D*A)Ptilde     acsr1 = (I-w*D*Af)Ptilde
+  !    acsr1 = (I-w*D*A) Prol      acsr1 = (I-w*D*Af) Prol 
   ! This is always done through the variable acsrf which
   ! is a bit less readable, butsaves space and one extra matrix copy
   ! 

mlprec/mld_c_base_aggregator_mod.f90

@@ -43,7 +43,7 @@ module mld_c_base_aggregator_mod
 
   use mld_base_prec_type, only : mld_sml_parms, mld_saggr_data 
   use psb_base_mod, only : psb_cspmat_type, psb_lcspmat_type, psb_c_vect_type, &
-       & psb_c_base_vect_type, psb_clinmap_type, psb_spk_, &
+       & psb_c_base_vect_type, psb_clinmap_type, psb_spk_, psb_lc_csr_sparse_mat, &
        & psb_ipk_, psb_epk_, psb_lpk_, psb_desc_type, psb_i_base_vect_type, &
        & psb_erractionsave, psb_error_handler, psb_success_, psb_toupper
   !
@@ -118,6 +118,24 @@ module mld_c_base_aggregator_mod
     end subroutine mld_c_soc_map_bld
   end interface
 
+  interface mld_spmm_bld_inner
+    subroutine mld_c_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
+         & op_prol,op_restr,info)
+      import :: psb_lc_csr_sparse_mat, psb_lcspmat_type, psb_desc_type, &
+           & mld_sml_parms, psb_spk_, psb_ipk_, psb_lpk_
+      implicit none
+      
+      ! Arguments
+      type(psb_lc_csr_sparse_mat), intent(inout) :: a_csr
+      type(psb_desc_type), intent(in)            :: desc_a
+      integer(psb_lpk_), intent(inout)           :: ilaggr(:), nlaggr(:)
+      type(mld_sml_parms), intent(inout)         :: parms 
+      type(psb_lcspmat_type), intent(inout)      :: op_prol, op_restr
+      type(psb_lcspmat_type), intent(out)        :: ac
+      integer(psb_ipk_), intent(out)             :: info
+    end subroutine mld_c_spmm_bld_inner
+  end interface mld_spmm_bld_inner
+  
 contains
 
   subroutine mld_c_base_aggregator_cseti(ag,what,val,info,idx)

mlprec/mld_d_base_aggregator_mod.f90

@@ -122,7 +122,7 @@ module mld_d_base_aggregator_mod
     subroutine mld_d_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
          & op_prol,op_restr,info)
       import :: psb_ld_csr_sparse_mat, psb_ldspmat_type, psb_desc_type, &
-           & mld_dml_parms,psb_dpk_, psb_ipk_, psb_lpk_
+           & mld_dml_parms, psb_dpk_, psb_ipk_, psb_lpk_
       implicit none
       
       ! Arguments

mlprec/mld_s_base_aggregator_mod.f90

@@ -43,7 +43,7 @@ module mld_s_base_aggregator_mod
 
   use mld_base_prec_type, only : mld_sml_parms, mld_saggr_data 
   use psb_base_mod, only : psb_sspmat_type, psb_lsspmat_type, psb_s_vect_type, &
-       & psb_s_base_vect_type, psb_slinmap_type, psb_spk_, &
+       & psb_s_base_vect_type, psb_slinmap_type, psb_spk_, psb_ls_csr_sparse_mat, &
        & psb_ipk_, psb_epk_, psb_lpk_, psb_desc_type, psb_i_base_vect_type, &
        & psb_erractionsave, psb_error_handler, psb_success_, psb_toupper
   !
@@ -118,6 +118,24 @@ module mld_s_base_aggregator_mod
     end subroutine mld_s_soc_map_bld
   end interface
 
+  interface mld_spmm_bld_inner
+    subroutine mld_s_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
+         & op_prol,op_restr,info)
+      import :: psb_ls_csr_sparse_mat, psb_lsspmat_type, psb_desc_type, &
+           & mld_sml_parms, psb_spk_, psb_ipk_, psb_lpk_
+      implicit none
+      
+      ! Arguments
+      type(psb_ls_csr_sparse_mat), intent(inout) :: a_csr
+      type(psb_desc_type), intent(in)            :: desc_a
+      integer(psb_lpk_), intent(inout)           :: ilaggr(:), nlaggr(:)
+      type(mld_sml_parms), intent(inout)         :: parms 
+      type(psb_lsspmat_type), intent(inout)      :: op_prol, op_restr
+      type(psb_lsspmat_type), intent(out)        :: ac
+      integer(psb_ipk_), intent(out)             :: info
+    end subroutine mld_s_spmm_bld_inner
+  end interface mld_spmm_bld_inner
+  
 contains
 
   subroutine mld_s_base_aggregator_cseti(ag,what,val,info,idx)

mlprec/mld_z_base_aggregator_mod.f90

@@ -43,7 +43,7 @@ module mld_z_base_aggregator_mod
 
   use mld_base_prec_type, only : mld_dml_parms, mld_daggr_data 
   use psb_base_mod, only : psb_zspmat_type, psb_lzspmat_type, psb_z_vect_type, &
-       & psb_z_base_vect_type, psb_zlinmap_type, psb_dpk_, &
+       & psb_z_base_vect_type, psb_zlinmap_type, psb_dpk_, psb_lz_csr_sparse_mat, &
        & psb_ipk_, psb_epk_, psb_lpk_, psb_desc_type, psb_i_base_vect_type, &
        & psb_erractionsave, psb_error_handler, psb_success_, psb_toupper
   !
@@ -118,6 +118,24 @@ module mld_z_base_aggregator_mod
     end subroutine mld_z_soc_map_bld
   end interface
 
+  interface mld_spmm_bld_inner
+    subroutine mld_z_spmm_bld_inner(a_csr,desc_a,ilaggr,nlaggr,parms,ac,&
+         & op_prol,op_restr,info)
+      import :: psb_lz_csr_sparse_mat, psb_lzspmat_type, psb_desc_type, &
+           & mld_dml_parms, psb_dpk_, psb_ipk_, psb_lpk_
+      implicit none
+      
+      ! Arguments
+      type(psb_lz_csr_sparse_mat), intent(inout) :: a_csr
+      type(psb_desc_type), intent(in)            :: desc_a
+      integer(psb_lpk_), intent(inout)           :: ilaggr(:), nlaggr(:)
+      type(mld_dml_parms), intent(inout)         :: parms 
+      type(psb_lzspmat_type), intent(inout)      :: op_prol, op_restr
+      type(psb_lzspmat_type), intent(out)        :: ac
+      integer(psb_ipk_), intent(out)             :: info
+    end subroutine mld_z_spmm_bld_inner
+  end interface mld_spmm_bld_inner
+  
 contains
 
   subroutine mld_z_base_aggregator_cseti(ag,what,val,info,idx)