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amg4psblas/amgprec/impl/solver/amg_s_gs_solver_dmp.f90

104 lines
3.9 KiB
Fortran

!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! 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_s_gs_solver_dmp(sv,desc,level,info,prefix,head,solver,global_num)
use psb_base_mod
use amg_s_gs_solver, amg_protect_name => amg_s_gs_solver_dmp
implicit none
class(amg_s_gs_solver_type), intent(in) :: sv
type(psb_desc_type), intent(in) :: desc
integer(psb_ipk_), intent(in) :: level
integer(psb_ipk_), intent(out) :: info
character(len=*), intent(in), optional :: prefix, head
logical, optional, intent(in) :: solver, global_num
integer(psb_ipk_) :: i, j, il1, iln, lname, lev
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
integer(psb_lpk_), allocatable :: iv(:)
logical :: solver_, global_num_
! len of prefix_
info = 0
ctxt = desc%get_context()
call psb_info(ctxt,iam,np)
if (present(solver)) then
solver_ = solver
else
solver_ = .false.
end if
if (present(global_num)) then
global_num_ = global_num
else
global_num_ = .false.
end if
if (solver_) then
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_slv_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
if (global_num_) then
iv = desc%get_global_indices(owned=.false.)
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_lower.mtx'
if (sv%l%is_asb()) &
& call sv%l%print(fname,head=head,iv=iv)
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_upper.mtx'
if (sv%u%is_asb()) &
& call sv%u%print(fname,head=head,iv=iv)
else
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_lower.mtx'
if (sv%l%is_asb()) &
& call sv%l%print(fname,head=head)
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_upper.mtx'
if (sv%u%is_asb()) &
& call sv%u%print(fname,head=head)
end if
end if
end subroutine amg_s_gs_solver_dmp