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205 lines
6.3 KiB
Fortran
205 lines
6.3 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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subroutine psb_dbjac_bld(a,desc_a,p,upd,info)
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use psb_base_mod
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use psb_prec_mod, psb_protect_name => psb_dbjac_bld
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implicit none
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!
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! .. Scalar Arguments ..
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integer, intent(out) :: info
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! .. array Arguments ..
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type(psb_d_sparse_mat), intent(in), target :: a
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type(psb_dprec_type), intent(inout) :: p
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type(psb_desc_type), intent(in) :: desc_a
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character, intent(in) :: upd
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! .. Local Scalars ..
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integer :: i, m
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integer :: int_err(5)
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character :: trans, unitd
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!!$ type(psb_dspmat_type) :: atmp
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type(psb_d_csr_sparse_mat), allocatable :: lf, uf
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real(psb_dpk_) :: t1,t2,t3,t4,t5,t6, t7, t8
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integer nztota, err_act, n_row, nrow_a,n_col, nhalo
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integer :: ictxt,np,me
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character(len=20) :: name, ch_err
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if(psb_get_errstatus() /= 0) return
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info=0
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name='psb_dbjac_bld'
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call psb_erractionsave(err_act)
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ictxt=psb_cd_get_context(desc_a)
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call psb_info(ictxt, me, np)
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m = a%get_nrows()
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if (m < 0) then
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info = 10
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int_err(1) = 1
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int_err(2) = m
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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endif
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trans = 'N'
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unitd = 'U'
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!!$ call psb_nullify_sp(atmp)
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call psb_cdcpy(desc_a,p%desc_data,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_cdcpy'
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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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select case(p%iprcparm(psb_f_type_))
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case(psb_f_ilu_n_)
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if (allocated(p%av)) then
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if (size(p%av) < psb_bp_ilu_avsz) then
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do i=1,size(p%av)
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call p%av(i)%free()
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!!$ if (info /= 0) then
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!!$ ! Actually, we don't care here about this.
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!!$ ! Just let it go.
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!!$ ! return
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!!$ end if
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enddo
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deallocate(p%av,stat=info)
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endif
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end if
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if (.not.allocated(p%av)) then
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allocate(p%av(psb_max_avsz),stat=info)
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if (info /= 0) then
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call psb_errpush(4000,name)
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goto 9999
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end if
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endif
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nrow_a = psb_cd_get_local_rows(desc_a)
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nztota = a%get_nzeros()
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n_col = psb_cd_get_local_cols(desc_a)
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nhalo = n_col-nrow_a
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n_row = p%desc_data%matrix_data(psb_n_row_)
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allocate(lf,uf,stat=info)
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if (info == 0) call lf%allocate(n_row,n_row,nztota)
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if (info == 0) call uf%allocate(n_row,n_row,nztota)
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!!$ call p%av(psb_l_pr_)%csall(n_row,n_row,info,nztota)
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!!$ if (info == 0) call p%av(psb_u_pr_)%csall(n_row,n_row,info,nztota)
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if(info/=0) then
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info=4010
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ch_err='psb_sp_all'
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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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if (allocated(p%d)) then
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if (size(p%d) < n_row) then
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deallocate(p%d)
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endif
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endif
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if (.not.allocated(p%d)) then
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allocate(p%d(n_row),stat=info)
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if (info /= 0) then
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call psb_errpush(4010,name,a_err='Allocate')
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goto 9999
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end if
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endif
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t3 = psb_wtime()
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! This is where we have no renumbering, thus no need
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! for ATMP
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!!$ call p%av(psb_l_pr_)%cscnv(info,type='CSR')
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!!$ call p%av(psb_u_pr_)%cscnv(info,type='CSR')
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call psb_ilu_fct(a,lf,uf,p%d,info)
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if(info==0) then
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call move_alloc(lf,p%av(psb_l_pr_)%a)
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call move_alloc(uf,p%av(psb_u_pr_)%a)
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call p%av(psb_l_pr_)%set_asb()
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call p%av(psb_u_pr_)%set_asb()
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call p%av(psb_l_pr_)%trim()
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call p%av(psb_u_pr_)%trim()
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else
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info=4010
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ch_err='psb_ilu_fct'
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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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!!$
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!!$ if (psb_sp_getifld(psb_upd_,p%av(psb_u_pr_),info) /= psb_upd_perm_) then
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!!$ call psb_sp_trim(p%av(psb_u_pr_),info)
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!!$ endif
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!!$
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!!$ if (psb_sp_getifld(psb_upd_,p%av(psb_l_pr_),info) /= psb_upd_perm_) then
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!!$ call psb_sp_trim(p%av(psb_l_pr_),info)
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!!$ endif
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case(psb_f_none_)
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info=4010
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ch_err='Inconsistent prec psb_f_none_'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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case default
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info=4010
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ch_err='Unknown psb_f_type_'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_dbjac_bld
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