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@ -58,12 +58,16 @@
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! Local variables
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type(psb_cspmat_type) :: atmp
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type(psb_c_coo_sparse_mat), target :: acoo
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integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota, nglob, nglobrec, nzt, npr, npc
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#if defined(IPK4) && defined(LPK8)
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integer(psb_lpk_), allocatable :: gia(:), gja(:)
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#endif
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integer(psb_ipk_) :: n_row,n_col, nrow_a, nza, npr, npc
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integer(psb_lpk_) :: nglob, nglobrec, nzt
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integer(psb_ipk_) :: ifrst, ibcheck
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integer(psb_ipk_) :: ictxt, ictxt1, icomm, np, iam, me, i, err_act, debug_unit, debug_level
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character(len=20) :: name='c_mumps_solver_bld', ch_err
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#if defined(HAVE_MUMPS_) && !defined(LPK8)
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#if defined(HAVE_MUMPS_)
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info=psb_success_
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@ -113,6 +117,12 @@
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sv%id%comm = icomm
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sv%id%job = -1
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sv%id%par = 1
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if (sv%ipar(3) == 2) then
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sv%id%sym = 2
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else
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sv%id%sym = 0
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end if
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call cmumps(sv%id)
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!WARNING: CALLING cmumps WITH JOB=-1 DESTROY THE SETTING OF DEFAULT:TO FIX
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if (allocated(sv%icntl)) then
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@ -133,7 +143,13 @@
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nglob = desc_a%get_global_rows()
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if (sv%ipar(1) == mld_local_solver_ ) then
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nglobrec=desc_a%get_local_rows()
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if (sv%ipar(3) == 2) then
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! Always pass the upper triangle to MUMPS
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call a%triu(c,info,jmax=a%get_nrows())
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call c%set_symmetric()
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else
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call a%csclip(c,info,jmax=a%get_nrows())
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end if
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call c%cp_to(acoo)
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nglob = c%get_nrows()
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if (nglobrec /= nglob) then
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@ -143,22 +159,63 @@
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else
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call a%cp_to(acoo)
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end if
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nztota = acoo%get_nzeros()
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nza = acoo%get_nzeros()
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! switch to global numbering
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if (sv%ipar(1) == mld_global_solver_ ) then
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call psb_loc_to_glob(acoo%ja(1:nztota), desc_a, info, iact='I')
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call psb_loc_to_glob(acoo%ia(1:nztota), desc_a, info, iact='I')
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#if defined(IPK4) && defined(LPK8)
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!
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! Strategy here is as follows: because a call to MUMPS
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! as a gobal solver is mostly done at the coarsest level,
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! even if we start from a problem requiring 8 bytes, chances
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! are that the global size will be suitable for 4 bytes
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! anyway, so we hope for the best, and throw an error
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! if something goes wrong.
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!
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if (nglob > huge(1_psb_ipk_)) then
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write(0,*) iam,' ',trim(name),': Error: overflow of local indices '
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info=psb_err_internal_error_
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call psb_errpush(info,name)
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goto 9999
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end if
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gia = acoo%ia(1:nza)
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gja = acoo%ja(1:nza)
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call psb_loc_to_glob(gia(1:nza), desc_a, info, iact='I')
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call psb_loc_to_glob(gja(1:nza), desc_a, info, iact='I')
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acoo%ia(1:nza) = gia(1:nza)
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acoo%ja(1:nza) = gja(1:nza)
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#else
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!
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! Here global and local numbers have the same size, so this must work.
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!
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call psb_loc_to_glob(acoo%ja(1:nza), desc_a, info, iact='I')
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call psb_loc_to_glob(acoo%ia(1:nza), desc_a, info, iact='I')
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#endif
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if (sv%ipar(3) == 2 ) then
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! Always pass the upper triangle to MUMPS
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block
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integer(psb_ipk_) :: j,nz
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nz = 0
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do j=1,nza
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if (acoo%ja(j) >= acoo%ia(j)) then
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nz = nz + 1
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acoo%ia(nz) = acoo%ia(j)
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acoo%ja(nz) = acoo%ja(j)
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acoo%val(nz) = acoo%val(j)
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end if
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end do
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call acoo%set_nzeros(nz)
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call acoo%set_triangle()
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call acoo%set_upper()
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call acoo%set_symmetric()
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end block
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end if
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end if
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sv%id%irn_loc => acoo%ia
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sv%id%jcn_loc => acoo%ja
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sv%id%a_loc => acoo%val
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sv%id%icntl(18) = 3
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if(acoo%is_upper() .or. acoo%is_lower()) then
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sv%id%sym = 2
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else
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sv%id%sym = 0
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end if
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sv%id%n = nglob
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! there should be a better way for this
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sv%id%nnz_loc = acoo%get_nzeros()
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@ -174,7 +231,7 @@
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info = sv%id%infog(1)
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if (info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='mld_dmumps_fact '
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ch_err='mld_cmumps_fact '
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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Salvatore Filippone
5 years ago