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psblas3/prec/psb_z_base_prec_mod.f90

293 lines
11 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 3.4
!!$ (C) Copyright 2006, 2010, 2015
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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 PSBLAS 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 PSBLAS 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 to define PREC_DATA, !!
!! structure for preconditioning. !!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
module psb_z_base_prec_mod
! Reduces size of .mod file.
use psb_base_mod, only : psb_dpk_, psb_ipk_, psb_long_int_k_,&
& psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,&
& psb_sizeof_int, psb_sizeof_long_int, psb_sizeof_sp, psb_sizeof_dp, &
& psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,&
& psb_z_base_sparse_mat, psb_zspmat_type, psb_z_csr_sparse_mat,&
& psb_z_base_vect_type, psb_z_vect_type
use psb_prec_const_mod
type, abstract :: psb_z_base_prec_type
integer(psb_ipk_) :: ictxt
contains
procedure, pass(prec) :: set_ctxt => psb_z_base_set_ctxt
procedure, pass(prec) :: get_ctxt => psb_z_base_get_ctxt
procedure, pass(prec) :: get_nzeros => psb_z_base_get_nzeros
procedure, pass(prec) :: precseti => psb_z_base_precseti
procedure, pass(prec) :: precsetr => psb_z_base_precsetr
procedure, pass(prec) :: precsetc => psb_z_base_precsetc
generic, public :: precset => precseti, precsetr, precsetc
procedure(psb_z_base_apply_vect), pass(prec), deferred :: z_apply_v
procedure(psb_z_base_apply), pass(prec), deferred :: z_apply
generic, public :: apply => z_apply, z_apply_v
procedure(psb_z_base_precbld), pass(prec), deferred :: precbld
procedure(psb_z_base_sizeof), pass(prec), deferred :: sizeof
procedure(psb_z_base_precinit), pass(prec), deferred :: precinit
procedure(psb_z_base_precfree), pass(prec), deferred :: free
procedure(psb_z_base_precdescr), pass(prec), deferred :: precdescr
procedure(psb_z_base_precdump), pass(prec), deferred :: dump
procedure(psb_z_base_precclone), pass(prec), deferred :: clone
end type psb_z_base_prec_type
private :: psb_z_base_set_ctxt, psb_z_base_get_ctxt, &
& psb_z_base_get_nzeros
abstract interface
subroutine psb_z_base_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_base_prec_type), intent(inout) :: prec
complex(psb_dpk_),intent(in) :: alpha, beta
type(psb_z_vect_type),intent(inout) :: x
type(psb_z_vect_type),intent(inout) :: y
integer(psb_ipk_), intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
end subroutine psb_z_base_apply_vect
end interface
abstract interface
subroutine psb_z_base_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_base_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(in) :: alpha, beta
complex(psb_dpk_),intent(inout) :: x(:)
complex(psb_dpk_),intent(inout) :: y(:)
integer(psb_ipk_), intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
end subroutine psb_z_base_apply
end interface
abstract interface
subroutine psb_z_base_precinit(prec,info)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
Implicit None
class(psb_z_base_prec_type),intent(inout) :: prec
integer(psb_ipk_), intent(out) :: info
end subroutine psb_z_base_precinit
end interface
abstract interface
subroutine psb_z_base_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
Implicit None
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_z_base_prec_type),intent(inout) :: prec
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
end subroutine psb_z_base_precbld
end interface
abstract interface
subroutine psb_z_base_precfree(prec,info)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
Implicit None
class(psb_z_base_prec_type), intent(inout) :: prec
integer(psb_ipk_), intent(out) :: info
end subroutine psb_z_base_precfree
end interface
abstract interface
subroutine psb_z_base_precdescr(prec,iout)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
Implicit None
class(psb_z_base_prec_type), intent(in) :: prec
integer(psb_ipk_), intent(in), optional :: iout
end subroutine psb_z_base_precdescr
end interface
abstract interface
subroutine psb_z_base_precdump(prec,info,prefix,head)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
implicit none
class(psb_z_base_prec_type), intent(in) :: prec
integer(psb_ipk_), intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_z_base_precdump
end interface
abstract interface
subroutine psb_z_base_precclone(prec,precout,info)
import psb_ipk_, psb_dpk_, psb_desc_type, psb_z_vect_type, &
& psb_z_base_vect_type, psb_zspmat_type, psb_z_base_prec_type,&
& psb_z_base_sparse_mat
implicit none
class(psb_z_base_prec_type), intent(inout) :: prec
class(psb_z_base_prec_type), allocatable, intent(inout) :: precout
integer(psb_ipk_), intent(out) :: info
end subroutine psb_z_base_precclone
end interface
contains
subroutine psb_z_base_precseti(prec,what,val,info)
Implicit None
class(psb_z_base_prec_type),intent(inout) :: prec
integer(psb_ipk_), intent(in) :: what
integer(psb_ipk_), intent(in) :: val
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, nrow
character(len=20) :: name='z_base_precseti'
!
! Base version does nothing.
info = psb_success_
return
end subroutine psb_z_base_precseti
subroutine psb_z_base_precsetr(prec,what,val,info)
Implicit None
class(psb_z_base_prec_type),intent(inout) :: prec
integer(psb_ipk_), intent(in) :: what
real(psb_dpk_), intent(in) :: val
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, nrow
character(len=20) :: name='z_base_precsetr'
!
! Base version does nothing.
!
info = psb_success_
return
end subroutine psb_z_base_precsetr
subroutine psb_z_base_precsetc(prec,what,val,info)
Implicit None
class(psb_z_base_prec_type),intent(inout) :: prec
integer(psb_ipk_), intent(in) :: what
character(len=*), intent(in) :: val
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, nrow
character(len=20) :: name='z_base_precsetc'
!
! Base version does nothing.
!
info = psb_success_
return
end subroutine psb_z_base_precsetc
subroutine psb_z_base_set_ctxt(prec,ictxt)
implicit none
class(psb_z_base_prec_type), intent(inout) :: prec
integer(psb_ipk_), intent(in) :: ictxt
prec%ictxt = ictxt
end subroutine psb_z_base_set_ctxt
function psb_z_base_sizeof(prec) result(val)
class(psb_z_base_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
return
end function psb_z_base_sizeof
function psb_z_base_get_ctxt(prec) result(val)
class(psb_z_base_prec_type), intent(in) :: prec
integer(psb_ipk_) :: val
val = prec%ictxt
return
end function psb_z_base_get_ctxt
function psb_z_base_get_nzeros(prec) result(res)
class(psb_z_base_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: res
res = 0
end function psb_z_base_get_nzeros
end module psb_z_base_prec_mod