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169 lines
7.5 KiB
Fortran
169 lines
7.5 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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! Moved here from AMG4PSBLAS, original copyright below.
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!
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!
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! AMG-AINV: Approximate Inverse plugin for
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! AMG4PSBLAS version 1.0
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!
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! (C) Copyright 2020
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!
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! Salvatore Filippone University of Rome Tor Vergata
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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 AMG4PSBLAS 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 AMG4PSBLAS 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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! File: psb_z_invt_fact_mod.f90
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!
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! Module: psb_z_invt_fact_mod
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!
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! This module defines some interfaces used internally by the implementation of
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! psb_z_invt_solver, but not visible to the end user.
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!
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!
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module psb_z_invt_fact_mod
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use psb_base_mod
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use psb_prec_const_mod
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interface psb_invt_fact
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subroutine psb_z_invt_bld(a,fillin,invfill,thresh,invthresh,&
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& lmat,d,umat,desc,info,blck)
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! Import
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import psb_zspmat_type, psb_dpk_, psb_ipk_, psb_desc_type
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! Arguments
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type(psb_zspmat_type), intent(in), target :: a
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integer(psb_ipk_), intent(in) :: fillin,invfill
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real(psb_dpk_), intent(in) :: thresh
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real(psb_dpk_), intent(in) :: invthresh
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type(psb_zspmat_type), intent(inout) :: lmat, umat
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complex(psb_dpk_), allocatable :: d(:)
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Type(psb_desc_type), Intent(inout) :: desc
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integer(psb_ipk_), intent(out) :: info
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type(psb_zspmat_type), intent(in), optional :: blck
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end subroutine psb_z_invt_bld
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end interface
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! Interfaces for the inner workings
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interface
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subroutine psb_zsparse_invt(n,a,z,nzrmax,sp_thresh,info)
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! Import
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import psb_zspmat_type, psb_dpk_, psb_ipk_
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! Arguments
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integer(psb_ipk_), intent(in) :: n
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type(psb_zspmat_type), intent(in) :: a
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type(psb_zspmat_type), intent(inout) :: z
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integer(psb_ipk_), intent(in) :: nzrmax
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real(psb_dpk_), intent(in) :: sp_thresh
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_zsparse_invt
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end interface
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interface
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subroutine psb_z_invt_copyin(i,m,a,jd,jmin,jmax,nlw,nup,jmaxup,nrmi,row,heap,&
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& irwt,ktrw,trw,info,sign)
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! Import
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import psb_z_csr_sparse_mat, psb_z_coo_sparse_mat, psb_dpk_, &
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& psb_ipk_, psb_i_heap
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! Arguments
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type(psb_z_csr_sparse_mat), intent(in) :: a
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type(psb_z_coo_sparse_mat), intent(inout) :: trw
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integer(psb_ipk_), intent(in) :: i, m,jmin,jmax,jd
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integer(psb_ipk_), intent(inout) :: ktrw,nlw,nup,jmaxup,info
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integer(psb_ipk_), intent(inout) :: irwt(:)
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real(psb_dpk_), intent(inout) :: nrmi
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complex(psb_dpk_), intent(inout) :: row(:)
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type(psb_i_heap), intent(inout) :: heap
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real(psb_dpk_), intent(in), optional :: sign
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end subroutine psb_z_invt_copyin
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end interface
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interface
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subroutine psb_z_invt_copyout(fill_in,thres,i,m,nlw,nup,jmaxup,nrmi,row, &
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& nidx,idxs,l2,ja,irp,val,info)
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! Import
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import psb_dpk_, psb_ipk_
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! Arguments
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integer(psb_ipk_), intent(in) :: fill_in,i,m,nidx,nlw,nup,jmaxup
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integer(psb_ipk_), intent(in) :: idxs(:)
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integer(psb_ipk_), intent(inout) :: l2, info
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integer(psb_ipk_), allocatable, intent(inout) :: ja(:),irp(:)
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real(psb_dpk_), intent(in) :: thres,nrmi
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complex(psb_dpk_),allocatable, intent(inout) :: val(:)
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complex(psb_dpk_), intent(inout) :: row(:)
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end subroutine psb_z_invt_copyout
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end interface
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interface psb_invt_inv
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subroutine psb_z_invt_inv(thres,i,nrmi,row,heap,irwt,ja,irp,val, &
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& nidx,idxs,info)
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! import
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import psb_dpk_, psb_i_heap, psb_ipk_
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! Arguments
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type(psb_i_heap), intent(inout) :: heap
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integer(psb_ipk_), intent(in) :: i
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integer(psb_ipk_), intent(inout) :: nidx,info
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integer(psb_ipk_), intent(inout) :: irwt(:)
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real(psb_dpk_), intent(in) :: thres,nrmi
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integer(psb_ipk_), allocatable, intent(inout) :: idxs(:)
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integer(psb_ipk_), intent(in) :: ja(:),irp(:)
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complex(psb_dpk_), intent(in) :: val(:)
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complex(psb_dpk_), intent(inout) :: row(:)
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end subroutine
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end interface
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contains
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end module psb_z_invt_fact_mod
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