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amg4psblas/amgprec/amg_c_ilu_fact_mod.f90

92 lines
3.8 KiB
Fortran

!
!
! 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.
!
!
!
!
! File: amg_c_ilu_fact_mod.f90
!
! Module: amg_c_ilu_fact_mod
!
! This module defines some interfaces used internally by the implementation of
! amg_c_ilu_solver, but not visible to the end user.
!
!
module amg_c_ilu_fact_mod
use amg_c_base_solver_mod
interface amg_ilu0_fact
subroutine amg_cilu0_fact(ialg,a,l,u,d,info,blck,upd)
import psb_cspmat_type, psb_spk_, psb_ipk_
integer(psb_ipk_), intent(in) :: ialg
integer(psb_ipk_), intent(out) :: info
type(psb_cspmat_type),intent(in) :: a
type(psb_cspmat_type),intent(inout) :: l,u
type(psb_cspmat_type),intent(in), optional, target :: blck
character, intent(in), optional :: upd
complex(psb_spk_), intent(inout) :: d(:)
end subroutine amg_cilu0_fact
end interface
interface amg_iluk_fact
subroutine amg_ciluk_fact(fill_in,ialg,a,l,u,d,info,blck)
import psb_cspmat_type, psb_spk_, psb_ipk_
integer(psb_ipk_), intent(in) :: fill_in,ialg
integer(psb_ipk_), intent(out) :: info
type(psb_cspmat_type),intent(in) :: a
type(psb_cspmat_type),intent(inout) :: l,u
type(psb_cspmat_type),intent(in), optional, target :: blck
complex(psb_spk_), intent(inout) :: d(:)
end subroutine amg_ciluk_fact
end interface
interface amg_ilut_fact
subroutine amg_cilut_fact(fill_in,thres,a,l,u,d,info,blck,iscale)
import psb_cspmat_type, psb_spk_, psb_ipk_
integer(psb_ipk_), intent(in) :: fill_in
real(psb_spk_), intent(in) :: thres
integer(psb_ipk_), intent(out) :: info
type(psb_cspmat_type),intent(in) :: a
type(psb_cspmat_type),intent(inout) :: l,u
complex(psb_spk_), intent(inout) :: d(:)
type(psb_cspmat_type),intent(in), optional, target :: blck
integer(psb_ipk_), intent(in), optional :: iscale
end subroutine amg_cilut_fact
end interface
end module amg_c_ilu_fact_mod