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195 lines
7.2 KiB
Fortran
195 lines
7.2 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! Module to define PREC_DATA, !!
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!! structure for preconditioning. !!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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module psb_prec_const_mod
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use psb_base_mod, only : psb_dpk_, psb_spk_, psb_ipk_, psb_epk_,&
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& psb_err_unit, psb_inp_unit, psb_out_unit
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integer(psb_ipk_), parameter :: psb_min_prec_=0, psb_noprec_=0, psb_diag_=1, &
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& psb_bjac_=2, psb_max_prec_=2
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! Entries in iprcparm: preconditioner type, factorization type,
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! prolongation type, restriction type, renumbering algorithm,
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! number of overlap layers, pointer to SuperLU factors,
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! levels of fill in for ILU(N),
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integer(psb_ipk_), parameter :: psb_p_type_=1, psb_f_type_=2
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integer(psb_ipk_), parameter :: psb_ilu_fill_in_=8
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integer(psb_ipk_), parameter :: psb_ilu_ialg_=9
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!Renumbering. SEE BELOW
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integer(psb_ipk_), parameter :: psb_renum_none_=0, psb_renum_glb_=1, psb_renum_gps_=2
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integer(psb_ipk_), parameter :: psb_ifpsz=10
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! Entries in rprcparm: ILU(E) epsilon, smoother omega
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integer(psb_ipk_), parameter :: psb_ilu_scale_=7
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integer(psb_ipk_), parameter :: psb_fact_eps_=1
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integer(psb_ipk_), parameter :: psb_rfpsz=8
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! Factorization types: none, ILU(0), ILU(N), ILU(N,E)
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integer(psb_ipk_), parameter :: psb_f_none_=0,psb_f_ilu_n_=1,psb_f_ilu_k_=2,psb_f_ilu_t_=3
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! Approximate Inverse factorization type: AINV, INVT, INVK
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integer(psb_ipk_), parameter :: psb_f_ainv_=4, psb_f_invt_=5, psb_f_invk_=6
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! Fields for sparse matrices ensembles:
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integer(psb_ipk_), parameter :: psb_l_pr_=1, psb_u_pr_=2, psb_bp_ilu_avsz=2
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integer(psb_ipk_), parameter :: psb_max_avsz=psb_bp_ilu_avsz
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integer(psb_ipk_), parameter :: psb_ilu_n_ = 13
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integer(psb_ipk_), parameter :: psb_milu_n_ = 14
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integer(psb_ipk_), parameter :: psb_ilu_t_ = 15
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integer(psb_ipk_), parameter :: psb_ilu_scale_none_ = 0
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integer(psb_ipk_), parameter :: psb_ilu_scale_maxval_ = 1
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integer(psb_ipk_), parameter :: psb_ilu_scale_diag_ = 2
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integer(psb_ipk_), parameter :: psb_ilu_scale_arwsum_ = 3
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integer(psb_ipk_), parameter :: psb_ilu_scale_aclsum_ = 4
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integer(psb_ipk_), parameter :: psb_ilu_scale_arcsum_ = 5
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! Numerical parameters relative to Approximate Inverse Preconditioners
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integer, parameter :: psb_inv_fillin_ = 3
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integer, parameter :: psb_ainv_alg_ = psb_inv_fillin_ + 1
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integer, parameter :: psb_inv_thresh_ = 3
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integer, parameter :: psb_ainv_llk_ = psb_inv_thresh_ + 1
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integer, parameter :: psb_ainv_s_llk_ = psb_ainv_llk_ + 1
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integer, parameter :: psb_ainv_s_ft_llk_ = psb_ainv_s_llk_ + 1
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integer, parameter :: psb_ainv_llk_noth_ = psb_ainv_s_ft_llk_ + 1
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integer, parameter :: psb_ainv_mlk_ = psb_ainv_llk_noth_ + 1
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integer, parameter :: psb_ainv_lmx_ = psb_ainv_mlk_
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interface psb_check_def
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module procedure psb_icheck_def, psb_scheck_def, psb_dcheck_def
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end interface
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contains
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function pr_to_str(iprec)
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integer(psb_ipk_), intent(in) :: iprec
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character(len=10) :: pr_to_str
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select case(iprec)
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case(psb_noprec_)
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pr_to_str='NOPREC'
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case(psb_diag_)
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pr_to_str='DIAG'
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case(psb_bjac_)
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pr_to_str='BJAC'
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case default
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pr_to_str='???'
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end select
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end function pr_to_str
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function is_legal_prec(ip)
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integer(psb_ipk_), intent(in) :: ip
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logical :: is_legal_prec
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is_legal_prec = ((ip>=psb_noprec_).and.(ip<=psb_bjac_))
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return
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end function is_legal_prec
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function is_legal_ml_fact(ip)
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integer(psb_ipk_), intent(in) :: ip
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logical :: is_legal_ml_fact
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is_legal_ml_fact = (ip == psb_f_ilu_n_)
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return
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end function is_legal_ml_fact
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function is_legal_ml_eps(ip)
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real(psb_dpk_), intent(in) :: ip
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logical :: is_legal_ml_eps
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is_legal_ml_eps = (ip>=0.0d0)
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return
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end function is_legal_ml_eps
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subroutine psb_icheck_def(ip,name,id,is_legal)
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integer(psb_ipk_), intent(inout) :: ip
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integer(psb_ipk_), intent(in) :: id
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character(len=*), intent(in) :: name
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interface
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function is_legal(i)
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import :: psb_ipk_
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integer(psb_ipk_), intent(in) :: i
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logical :: is_legal
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end function is_legal
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end interface
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if (.not.is_legal(ip)) then
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write(psb_err_unit,*) 'Illegal value for ',name,' :',ip, '. defaulting to ',id
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ip = id
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end if
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end subroutine psb_icheck_def
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subroutine psb_scheck_def(ip,name,id,is_legal)
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real(psb_spk_), intent(inout) :: ip
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real(psb_spk_), intent(in) :: id
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character(len=*), intent(in) :: name
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interface
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function is_legal(i)
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import :: psb_ipk_, psb_spk_
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real(psb_spk_), intent(in) :: i
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logical :: is_legal
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end function is_legal
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end interface
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if (.not.is_legal(ip)) then
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write(psb_err_unit,*) 'Illegal value for ',name,' :',ip, '. defaulting to ',id
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ip = id
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end if
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end subroutine psb_scheck_def
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subroutine psb_dcheck_def(ip,name,id,is_legal)
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real(psb_dpk_), intent(inout) :: ip
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real(psb_dpk_), intent(in) :: id
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character(len=*), intent(in) :: name
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interface
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function is_legal(i)
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import :: psb_ipk_, psb_spk_, psb_dpk_
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real(psb_dpk_), intent(in) :: i
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logical :: is_legal
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end function is_legal
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end interface
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if (.not.is_legal(ip)) then
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write(psb_err_unit,*) 'Illegal value for ',name,' :',ip, '. defaulting to ',id
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ip = id
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end if
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end subroutine psb_dcheck_def
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end module psb_prec_const_mod
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