!!$ !!$ !!$ MLD2P4 version 2.0 !!$ MultiLevel Domain Decomposition Parallel Preconditioners Package !!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) !!$ !!$ (C) Copyright 2008,2009,2010, 2010 !!$ !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari CNRS-IRIT, Toulouse !!$ Pasqua D'Ambra ICAR-CNR, Naples !!$ Daniela di Serafino Second University of Naples !!$ !!$ 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 MLD2P4 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 MLD2P4 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. !!$ !!$ ! ! ! ! ! ! module mld_s_jac_smoother use mld_s_base_smoother_mod type, extends(mld_s_base_smoother_type) :: mld_s_jac_smoother_type ! The local solver component is inherited from the ! parent type. ! class(mld_s_base_solver_type), allocatable :: sv ! type(psb_sspmat_type) :: nd integer :: nnz_nd_tot contains procedure, pass(sm) :: build => mld_s_jac_smoother_bld procedure, pass(sm) :: apply_v => mld_s_jac_smoother_apply_vect procedure, pass(sm) :: apply_a => mld_s_jac_smoother_apply procedure, pass(sm) :: free => s_jac_smoother_free procedure, pass(sm) :: seti => s_jac_smoother_seti procedure, pass(sm) :: setc => s_jac_smoother_setc procedure, pass(sm) :: setr => s_jac_smoother_setr procedure, pass(sm) :: descr => s_jac_smoother_descr procedure, pass(sm) :: sizeof => s_jac_smoother_sizeof procedure, pass(sm) :: get_nzeros => s_jac_smoother_get_nzeros end type mld_s_jac_smoother_type private :: s_jac_smoother_free, s_jac_smoother_seti, & & s_jac_smoother_setc, s_jac_smoother_setr,& & s_jac_smoother_descr, s_jac_smoother_sizeof, & & s_jac_smoother_get_nzeros interface subroutine mld_s_jac_smoother_apply_vect(alpha,sm,x,beta,y,desc_data,trans,sweeps,work,info) import :: psb_desc_type, mld_s_jac_smoother_type, psb_s_vect_type, psb_spk_, & & psb_sspmat_type, psb_s_base_sparse_mat, psb_s_base_vect_type type(psb_desc_type), intent(in) :: desc_data class(mld_s_jac_smoother_type), intent(inout) :: sm type(psb_s_vect_type),intent(inout) :: x type(psb_s_vect_type),intent(inout) :: y real(psb_spk_),intent(in) :: alpha,beta character(len=1),intent(in) :: trans integer, intent(in) :: sweeps real(psb_spk_),target, intent(inout) :: work(:) integer, intent(out) :: info end subroutine mld_s_jac_smoother_apply_vect end interface interface subroutine mld_s_jac_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,sweeps,work,info) import :: psb_desc_type, mld_s_jac_smoother_type, psb_s_vect_type, psb_spk_, & & psb_sspmat_type, psb_s_base_sparse_mat, psb_s_base_vect_type type(psb_desc_type), intent(in) :: desc_data class(mld_s_jac_smoother_type), intent(in) :: sm real(psb_spk_),intent(inout) :: x(:) real(psb_spk_),intent(inout) :: y(:) real(psb_spk_),intent(in) :: alpha,beta character(len=1),intent(in) :: trans integer, intent(in) :: sweeps real(psb_spk_),target, intent(inout) :: work(:) integer, intent(out) :: info end subroutine mld_s_jac_smoother_apply end interface interface subroutine mld_s_jac_smoother_bld(a,desc_a,sm,upd,info,amold,vmold) import :: psb_desc_type, mld_s_jac_smoother_type, psb_s_vect_type, psb_spk_, & & psb_sspmat_type, psb_s_base_sparse_mat, psb_s_base_vect_type type(psb_sspmat_type), intent(in), target :: a Type(psb_desc_type), Intent(in) :: desc_a class(mld_s_jac_smoother_type), intent(inout) :: sm character, intent(in) :: upd integer, intent(out) :: info class(psb_s_base_sparse_mat), intent(in), optional :: amold class(psb_s_base_vect_type), intent(in), optional :: vmold end subroutine mld_s_jac_smoother_bld end interface contains subroutine s_jac_smoother_seti(sm,what,val,info) Implicit None ! Arguments class(mld_s_jac_smoother_type), intent(inout) :: sm integer, intent(in) :: what integer, intent(in) :: val integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_jac_smoother_seti' info = psb_success_ call psb_erractionsave(err_act) select case(what) ! !$ case(mld_smoother_sweeps_) ! !$ sm%sweeps = val case default if (allocated(sm%sv)) then call sm%sv%set(what,val,info) end if end select call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_jac_smoother_seti subroutine s_jac_smoother_setc(sm,what,val,info) Implicit None ! Arguments class(mld_s_jac_smoother_type), intent(inout) :: sm integer, intent(in) :: what character(len=*), intent(in) :: val integer, intent(out) :: info Integer :: err_act, ival character(len=20) :: name='s_jac_smoother_setc' info = psb_success_ call psb_erractionsave(err_act) call mld_stringval(val,ival,info) if (info == psb_success_) call sm%set(what,ival,info) if (info /= psb_success_) then info = psb_err_from_subroutine_ call psb_errpush(info, name) goto 9999 end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_jac_smoother_setc subroutine s_jac_smoother_setr(sm,what,val,info) Implicit None ! Arguments class(mld_s_jac_smoother_type), intent(inout) :: sm integer, intent(in) :: what real(psb_spk_), intent(in) :: val integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_jac_smoother_setr' call psb_erractionsave(err_act) info = psb_success_ if (allocated(sm%sv)) then call sm%sv%set(what,val,info) end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_jac_smoother_setr subroutine s_jac_smoother_free(sm,info) Implicit None ! Arguments class(mld_s_jac_smoother_type), intent(inout) :: sm integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_jac_smoother_free' call psb_erractionsave(err_act) info = psb_success_ if (allocated(sm%sv)) then call sm%sv%free(info) if (info == psb_success_) deallocate(sm%sv,stat=info) if (info /= psb_success_) then info = psb_err_alloc_dealloc_ call psb_errpush(info,name) goto 9999 end if end if call sm%nd%free() call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_jac_smoother_free subroutine s_jac_smoother_descr(sm,info,iout,coarse) Implicit None ! Arguments class(mld_s_jac_smoother_type), intent(in) :: sm integer, intent(out) :: info integer, intent(in), optional :: iout logical, intent(in), optional :: coarse ! Local variables integer :: err_act integer :: ictxt, me, np character(len=20), parameter :: name='mld_s_jac_smoother_descr' integer :: iout_ logical :: coarse_ call psb_erractionsave(err_act) info = psb_success_ if (present(coarse)) then coarse_ = coarse else coarse_ = .false. end if if (present(iout)) then iout_ = iout else iout_ = 6 endif if (.not.coarse_) then write(iout_,*) ' Block Jacobi smoother ' write(iout_,*) ' Local solver:' end if if (allocated(sm%sv)) then call sm%sv%descr(info,iout_,coarse=coarse) end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_jac_smoother_descr function s_jac_smoother_sizeof(sm) result(val) implicit none ! Arguments class(mld_s_jac_smoother_type), intent(in) :: sm integer(psb_long_int_k_) :: val integer :: i val = psb_sizeof_int if (allocated(sm%sv)) val = val + sm%sv%sizeof() val = val + sm%nd%sizeof() return end function s_jac_smoother_sizeof function s_jac_smoother_get_nzeros(sm) result(val) implicit none ! Arguments class(mld_s_jac_smoother_type), intent(in) :: sm integer(psb_long_int_k_) :: val integer :: i val = 0 if (allocated(sm%sv)) val = val + sm%sv%get_nzeros() val = val + sm%nd%get_nzeros() return end function s_jac_smoother_get_nzeros end module mld_s_jac_smoother