!!$ !!$ !!$ MLD2P4 version 2.0 !!$ MultiLevel Domain Decomposition Parallel Preconditioners Package !!$ based on PSBLAS (Parallel Sparse BLAS version 3.3) !!$ !!$ (C) Copyright 2008, 2010, 2012, 2015 !!$ !!$ 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_c_ilu_solver use mld_base_prec_type, only : mld_fact_names use mld_c_base_solver_mod use mld_c_ilu_fact_mod type, extends(mld_c_base_solver_type) :: mld_c_ilu_solver_type type(psb_cspmat_type) :: l, u complex(psb_spk_), allocatable :: d(:) type(psb_c_vect_type) :: dv integer(psb_ipk_) :: fact_type, fill_in real(psb_spk_) :: thresh contains procedure, pass(sv) :: dump => mld_c_ilu_solver_dmp procedure, pass(sv) :: ccheck => c_ilu_solver_check procedure, pass(sv) :: clone => mld_c_ilu_solver_clone procedure, pass(sv) :: build => mld_c_ilu_solver_bld procedure, pass(sv) :: cnv => mld_c_ilu_solver_cnv procedure, pass(sv) :: apply_v => mld_c_ilu_solver_apply_vect procedure, pass(sv) :: apply_a => mld_c_ilu_solver_apply procedure, pass(sv) :: free => c_ilu_solver_free procedure, pass(sv) :: seti => c_ilu_solver_seti procedure, pass(sv) :: setc => c_ilu_solver_setc procedure, pass(sv) :: setr => c_ilu_solver_setr procedure, pass(sv) :: cseti => c_ilu_solver_cseti procedure, pass(sv) :: csetc => c_ilu_solver_csetc procedure, pass(sv) :: csetr => c_ilu_solver_csetr procedure, pass(sv) :: descr => c_ilu_solver_descr procedure, pass(sv) :: default => c_ilu_solver_default procedure, pass(sv) :: sizeof => c_ilu_solver_sizeof procedure, pass(sv) :: get_nzeros => c_ilu_solver_get_nzeros procedure, nopass :: get_fmt => c_ilu_solver_get_fmt end type mld_c_ilu_solver_type private :: c_ilu_solver_bld, c_ilu_solver_apply, & & c_ilu_solver_free, c_ilu_solver_seti, & & c_ilu_solver_setc, c_ilu_solver_setr,& & c_ilu_solver_descr, c_ilu_solver_sizeof, & & c_ilu_solver_default, c_ilu_solver_dmp, & & c_ilu_solver_apply_vect, c_ilu_solver_get_nzeros, & & c_ilu_solver_get_fmt, c_ilu_solver_check interface subroutine mld_c_ilu_solver_apply_vect(alpha,sv,x,beta,y,desc_data,& & trans,work,info,init,initu) import :: psb_desc_type, mld_c_ilu_solver_type, psb_c_vect_type, psb_spk_, & & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type, psb_ipk_ implicit none type(psb_desc_type), intent(in) :: desc_data class(mld_c_ilu_solver_type), intent(inout) :: sv type(psb_c_vect_type),intent(inout) :: x type(psb_c_vect_type),intent(inout) :: y complex(psb_spk_),intent(in) :: alpha,beta character(len=1),intent(in) :: trans complex(psb_spk_),target, intent(inout) :: work(:) integer(psb_ipk_), intent(out) :: info character, intent(in), optional :: init type(psb_c_vect_type),intent(inout), optional :: initu end subroutine mld_c_ilu_solver_apply_vect end interface interface subroutine mld_c_ilu_solver_apply(alpha,sv,x,beta,y,desc_data,& & trans,work,info,init,initu) import :: psb_desc_type, mld_c_ilu_solver_type, psb_c_vect_type, psb_spk_, & & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type, psb_ipk_ implicit none type(psb_desc_type), intent(in) :: desc_data class(mld_c_ilu_solver_type), intent(inout) :: sv complex(psb_spk_),intent(inout) :: x(:) complex(psb_spk_),intent(inout) :: y(:) complex(psb_spk_),intent(in) :: alpha,beta character(len=1),intent(in) :: trans complex(psb_spk_),target, intent(inout) :: work(:) integer(psb_ipk_), intent(out) :: info character, intent(in), optional :: init complex(psb_spk_),intent(inout), optional :: initu(:) end subroutine mld_c_ilu_solver_apply end interface interface subroutine mld_c_ilu_solver_bld(a,desc_a,sv,upd,info,b,amold,vmold,imold) import :: psb_desc_type, mld_c_ilu_solver_type, psb_c_vect_type, psb_spk_, & & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type,& & psb_ipk_, psb_i_base_vect_type implicit none type(psb_cspmat_type), intent(in), target :: a Type(psb_desc_type), Intent(in) :: desc_a class(mld_c_ilu_solver_type), intent(inout) :: sv character, intent(in) :: upd integer(psb_ipk_), intent(out) :: info type(psb_cspmat_type), intent(in), target, optional :: b class(psb_c_base_sparse_mat), intent(in), optional :: amold class(psb_c_base_vect_type), intent(in), optional :: vmold class(psb_i_base_vect_type), intent(in), optional :: imold end subroutine mld_c_ilu_solver_bld end interface interface subroutine mld_c_ilu_solver_cnv(sv,info,amold,vmold,imold) import :: mld_c_ilu_solver_type, psb_spk_, & & psb_c_base_sparse_mat, psb_c_base_vect_type,& & psb_ipk_, psb_i_base_vect_type implicit none class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(out) :: info class(psb_c_base_sparse_mat), intent(in), optional :: amold class(psb_c_base_vect_type), intent(in), optional :: vmold class(psb_i_base_vect_type), intent(in), optional :: imold end subroutine mld_c_ilu_solver_cnv end interface interface subroutine mld_c_ilu_solver_dmp(sv,ictxt,level,info,prefix,head,solver) import :: psb_desc_type, mld_c_ilu_solver_type, psb_c_vect_type, psb_spk_, & & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type, & & psb_ipk_ implicit none class(mld_c_ilu_solver_type), intent(in) :: sv integer(psb_ipk_), intent(in) :: ictxt integer(psb_ipk_), intent(in) :: level integer(psb_ipk_), intent(out) :: info character(len=*), intent(in), optional :: prefix, head logical, optional, intent(in) :: solver end subroutine mld_c_ilu_solver_dmp end interface interface subroutine mld_c_ilu_solver_clone(sv,svout,info) import :: psb_desc_type, psb_cspmat_type, psb_c_base_sparse_mat, & & psb_c_vect_type, psb_c_base_vect_type, psb_spk_, & & mld_c_base_solver_type, mld_c_ilu_solver_type, psb_ipk_ Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv class(mld_c_base_solver_type), allocatable, intent(inout) :: svout integer(psb_ipk_), intent(out) :: info end subroutine mld_c_ilu_solver_clone end interface contains subroutine c_ilu_solver_default(sv) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv sv%fact_type = mld_ilu_n_ sv%fill_in = 0 sv%thresh = szero return end subroutine c_ilu_solver_default subroutine c_ilu_solver_check(sv,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_check' call psb_erractionsave(err_act) info = psb_success_ call mld_check_def(sv%fact_type,& & 'Factorization',mld_ilu_n_,is_legal_ilu_fact) select case(sv%fact_type) case(mld_ilu_n_,mld_milu_n_) call mld_check_def(sv%fill_in,& & 'Level',izero,is_int_non_negative) case(mld_ilu_t_) call mld_check_def(sv%thresh,& & 'Eps',szero,is_legal_s_fact_thrs) end select if (info /= psb_success_) goto 9999 call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_check subroutine c_ilu_solver_seti(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(in) :: what integer(psb_ipk_), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_seti' info = psb_success_ call psb_erractionsave(err_act) select case(what) case(mld_sub_solve_) sv%fact_type = val case(mld_sub_fillin_) sv%fill_in = val case default call sv%mld_c_base_solver_type%set(what,val,info) end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_seti subroutine c_ilu_solver_setc(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(in) :: what character(len=*), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act, ival character(len=20) :: name='c_ilu_solver_setc' info = psb_success_ call psb_erractionsave(err_act) ival = sv%stringval(val) if (ival >= 0) then call sv%set(what,ival,info) end if 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 call psb_error_handler(err_act) return end subroutine c_ilu_solver_setc subroutine c_ilu_solver_setr(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(in) :: what real(psb_spk_), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_setr' call psb_erractionsave(err_act) info = psb_success_ select case(what) case(mld_sub_iluthrs_) sv%thresh = val case default call sv%mld_c_base_solver_type%set(what,val,info) end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_setr subroutine c_ilu_solver_cseti(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv character(len=*), intent(in) :: what integer(psb_ipk_), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_cseti' info = psb_success_ call psb_erractionsave(err_act) select case(psb_toupper(what)) case('SUB_SOLVE') sv%fact_type = val case('SUB_FILLIN') sv%fill_in = val case default call sv%mld_c_base_solver_type%set(what,val,info) end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_cseti subroutine c_ilu_solver_csetc(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv character(len=*), intent(in) :: what character(len=*), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act, ival character(len=20) :: name='c_ilu_solver_csetc' info = psb_success_ call psb_erractionsave(err_act) ival = sv%stringval(val) if (ival >= 0) then call sv%set(what,ival,info) end if 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 call psb_error_handler(err_act) return end subroutine c_ilu_solver_csetc subroutine c_ilu_solver_csetr(sv,what,val,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv character(len=*), intent(in) :: what real(psb_spk_), intent(in) :: val integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_csetr' call psb_erractionsave(err_act) info = psb_success_ select case(psb_toupper(what)) case('SUB_ILUTHRS') sv%thresh = val case default call sv%mld_c_base_solver_type%set(what,val,info) end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_csetr subroutine c_ilu_solver_free(sv,info) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(inout) :: sv integer(psb_ipk_), intent(out) :: info integer(psb_ipk_) :: err_act character(len=20) :: name='c_ilu_solver_free' call psb_erractionsave(err_act) info = psb_success_ if (allocated(sv%d)) then deallocate(sv%d,stat=info) if (info /= psb_success_) then info = psb_err_alloc_dealloc_ call psb_errpush(info,name) goto 9999 end if end if call sv%l%free() call sv%u%free() call sv%dv%free(info) call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_free subroutine c_ilu_solver_descr(sv,info,iout,coarse) Implicit None ! Arguments class(mld_c_ilu_solver_type), intent(in) :: sv integer(psb_ipk_), intent(out) :: info integer(psb_ipk_), intent(in), optional :: iout logical, intent(in), optional :: coarse ! Local variables integer(psb_ipk_) :: err_act character(len=20), parameter :: name='mld_c_ilu_solver_descr' integer(psb_ipk_) :: iout_ call psb_erractionsave(err_act) info = psb_success_ if (present(iout)) then iout_ = iout else iout_ = 6 endif write(iout_,*) ' Incomplete factorization solver: ',& & mld_fact_names(sv%fact_type) select case(sv%fact_type) case(mld_ilu_n_,mld_milu_n_) write(iout_,*) ' Fill level:',sv%fill_in case(mld_ilu_t_) write(iout_,*) ' Fill level:',sv%fill_in write(iout_,*) ' Fill threshold :',sv%thresh end select call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return end subroutine c_ilu_solver_descr function c_ilu_solver_get_nzeros(sv) result(val) implicit none ! Arguments class(mld_c_ilu_solver_type), intent(in) :: sv integer(psb_long_int_k_) :: val integer(psb_ipk_) :: i val = 0 val = val + sv%dv%get_nrows() val = val + sv%l%get_nzeros() val = val + sv%u%get_nzeros() return end function c_ilu_solver_get_nzeros function c_ilu_solver_sizeof(sv) result(val) implicit none ! Arguments class(mld_c_ilu_solver_type), intent(in) :: sv integer(psb_long_int_k_) :: val integer(psb_ipk_) :: i val = 2*psb_sizeof_int + (2*psb_sizeof_sp) val = val + sv%dv%sizeof() val = val + sv%l%sizeof() val = val + sv%u%sizeof() return end function c_ilu_solver_sizeof function c_ilu_solver_get_fmt() result(val) implicit none character(len=32) :: val val = "ILU solver" end function c_ilu_solver_get_fmt end module mld_c_ilu_solver