! ! ! AMG4PSBLAS version 1.0 ! Algebraic Multigrid Package ! based on PSBLAS (Parallel Sparse BLAS version 3.5) ! ! (C) Copyright 2020 ! ! Salvatore Filippone ! Pasqua D'Ambra ! Fabio Durastante ! ! Redistribution and use in source and binary forms, with or without ! modification, are permitted provided that the following conditions ! are met: ! 1. Redistributions of source code must retain the above copyright ! notice, this list of conditions and the following disclaimer. ! 2. Redistributions in binary form must reproduce the above copyright ! notice, this list of conditions, and the following disclaimer in the ! documentation and/or other materials provided with the distribution. ! 3. The name of the AMG4PSBLAS group or the names of its contributors may ! not be used to endorse or promote products derived from this ! software without specific written permission. ! ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS ! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ! POSSIBILITY OF SUCH DAMAGE. ! ! subroutine amg_z_diag_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold) use psb_base_mod use amg_z_diag_solver, amg_protect_name => amg_z_diag_solver_bld Implicit None ! Arguments type(psb_zspmat_type), intent(in), target :: a Type(psb_desc_type), Intent(inout) :: desc_a class(amg_z_diag_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(out) :: info type(psb_zspmat_type), intent(in), target, optional :: b class(psb_z_base_sparse_mat), intent(in), optional :: amold class(psb_z_base_vect_type), intent(in), optional :: vmold class(psb_i_base_vect_type), intent(in), optional :: imold ! Local variables integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota complex(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) complex(psb_dpk_), allocatable :: tdb(:) integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level character(len=20) :: name='z_diag_solver_bld', ch_err info=psb_success_ call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt = desc_a%get_context() call psb_info(ictxt, me, np) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' start' n_row = desc_a%get_local_rows() nrow_a = a%get_nrows() sv%d = a%get_diag(info) if (info == psb_success_) call psb_realloc(n_row,sv%d,info) if (present(b)) then tdb=b%get_diag(info) if (size(tdb)+nrow_a > n_row) call psb_realloc(nrow_a+size(tdb),sv%d,info) if (info == psb_success_) sv%d(nrow_a+1:nrow_a+size(tdb)) = tdb(:) end if if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='get_diag') goto 9999 end if do i=1,n_row if (sv%d(i) == zzero) then sv%d(i) = zone else sv%d(i) = zone/sv%d(i) end if end do allocate(sv%dv,stat=info) if (info == psb_success_) then call sv%dv%bld(sv%d) if (present(vmold)) call sv%dv%cnv(vmold) call sv%dv%sync() else call psb_errpush(psb_err_from_subroutine_,name,& & a_err='Allocate sv%dv') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' end' call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine amg_z_diag_solver_bld subroutine amg_z_l1_diag_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold) use psb_base_mod use amg_z_l1_diag_solver, amg_protect_name => amg_z_l1_diag_solver_bld Implicit None ! Arguments type(psb_zspmat_type), intent(in), target :: a Type(psb_desc_type), Intent(inout) :: desc_a class(amg_z_l1_diag_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(out) :: info type(psb_zspmat_type), intent(in), target, optional :: b class(psb_z_base_sparse_mat), intent(in), optional :: amold class(psb_z_base_vect_type), intent(in), optional :: vmold class(psb_i_base_vect_type), intent(in), optional :: imold ! Local variables integer(psb_ipk_) :: n_row,n_col, nrow_a, nztota complex(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) complex(psb_dpk_), allocatable :: tdb(:) integer(psb_ipk_) :: ictxt,np,me,i, err_act, debug_unit, debug_level character(len=20) :: name='z_l1_diag_solver_bld', ch_err info=psb_success_ call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt = desc_a%get_context() call psb_info(ictxt, me, np) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' start' n_row = desc_a%get_local_rows() nrow_a = a%get_nrows() sv%d = a%arwsum(info) if (info == psb_success_) call psb_realloc(n_row,sv%d,info) if (present(b)) then tdb=b%arwsum(info) if (size(tdb)+nrow_a > n_row) call psb_realloc(nrow_a+size(tdb),sv%d,info) if (info == psb_success_) sv%d(nrow_a+1:nrow_a+size(tdb)) = tdb(:) end if if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='arwsum') goto 9999 end if do i=1,n_row if (sv%d(i) == zzero) then sv%d(i) = zone else sv%d(i) = zone/sv%d(i) end if end do allocate(sv%dv,stat=info) if (info == psb_success_) then call sv%dv%bld(sv%d) if (present(vmold)) call sv%dv%cnv(vmold) call sv%dv%sync() else call psb_errpush(psb_err_from_subroutine_,name,& & a_err='Allocate sv%dv') goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' end' call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine amg_z_l1_diag_solver_bld