! ! Parallel Sparse BLAS version 3.5 ! (C) Copyright 2006, 2010, 2015, 2017 ! Salvatore Filippone Cranfield University ! 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_d_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_d_base_sparse_mat, psb_dspmat_type, psb_d_csr_sparse_mat,& & psb_d_base_vect_type, psb_d_vect_type use psb_prec_const_mod type, abstract :: psb_d_base_prec_type integer(psb_ipk_) :: ictxt contains procedure, pass(prec) :: set_ctxt => psb_d_base_set_ctxt procedure, pass(prec) :: get_ctxt => psb_d_base_get_ctxt procedure, pass(prec) :: get_nzeros => psb_d_base_get_nzeros procedure, pass(prec) :: precseti => psb_d_base_precseti procedure, pass(prec) :: precsetr => psb_d_base_precsetr procedure, pass(prec) :: precsetc => psb_d_base_precsetc generic, public :: precset => precseti, precsetr, precsetc procedure(psb_d_base_apply_vect), pass(prec), deferred :: d_apply_v procedure(psb_d_base_apply), pass(prec), deferred :: d_apply generic, public :: apply => d_apply, d_apply_v procedure(psb_d_base_precbld), pass(prec), deferred :: precbld procedure(psb_d_base_sizeof), pass(prec), deferred :: sizeof procedure(psb_d_base_precinit), pass(prec), deferred :: precinit procedure(psb_d_base_precfree), pass(prec), deferred :: free procedure(psb_d_base_precdescr), pass(prec), deferred :: precdescr procedure(psb_d_base_precdump), pass(prec), deferred :: dump procedure(psb_d_base_precclone), pass(prec), deferred :: clone end type psb_d_base_prec_type private :: psb_d_base_set_ctxt, psb_d_base_get_ctxt, & & psb_d_base_get_nzeros abstract interface subroutine psb_d_base_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat implicit none type(psb_desc_type),intent(in) :: desc_data class(psb_d_base_prec_type), intent(inout) :: prec real(psb_dpk_),intent(in) :: alpha, beta type(psb_d_vect_type),intent(inout) :: x type(psb_d_vect_type),intent(inout) :: y integer(psb_ipk_), intent(out) :: info character(len=1), optional :: trans real(psb_dpk_),intent(inout), optional, target :: work(:) end subroutine psb_d_base_apply_vect end interface abstract interface subroutine psb_d_base_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat implicit none type(psb_desc_type),intent(in) :: desc_data class(psb_d_base_prec_type), intent(inout) :: prec real(psb_dpk_),intent(in) :: alpha, beta real(psb_dpk_),intent(inout) :: x(:) real(psb_dpk_),intent(inout) :: y(:) integer(psb_ipk_), intent(out) :: info character(len=1), optional :: trans real(psb_dpk_),intent(inout), optional, target :: work(:) end subroutine psb_d_base_apply end interface abstract interface subroutine psb_d_base_precinit(prec,info) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat Implicit None class(psb_d_base_prec_type),intent(inout) :: prec integer(psb_ipk_), intent(out) :: info end subroutine psb_d_base_precinit end interface abstract interface subroutine psb_d_base_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat Implicit None type(psb_dspmat_type), intent(in), target :: a type(psb_desc_type), intent(in), target :: desc_a class(psb_d_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_d_base_sparse_mat), intent(in), optional :: amold class(psb_d_base_vect_type), intent(in), optional :: vmold end subroutine psb_d_base_precbld end interface abstract interface subroutine psb_d_base_precfree(prec,info) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat Implicit None class(psb_d_base_prec_type), intent(inout) :: prec integer(psb_ipk_), intent(out) :: info end subroutine psb_d_base_precfree end interface abstract interface subroutine psb_d_base_precdescr(prec,iout) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat Implicit None class(psb_d_base_prec_type), intent(in) :: prec integer(psb_ipk_), intent(in), optional :: iout end subroutine psb_d_base_precdescr end interface abstract interface subroutine psb_d_base_precdump(prec,info,prefix,head) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat implicit none class(psb_d_base_prec_type), intent(in) :: prec integer(psb_ipk_), intent(out) :: info character(len=*), intent(in), optional :: prefix,head end subroutine psb_d_base_precdump end interface abstract interface subroutine psb_d_base_precclone(prec,precout,info) import psb_ipk_, psb_dpk_, psb_desc_type, psb_d_vect_type, & & psb_d_base_vect_type, psb_dspmat_type, psb_d_base_prec_type,& & psb_d_base_sparse_mat implicit none class(psb_d_base_prec_type), intent(inout) :: prec class(psb_d_base_prec_type), allocatable, intent(inout) :: precout integer(psb_ipk_), intent(out) :: info end subroutine psb_d_base_precclone end interface contains subroutine psb_d_base_precseti(prec,what,val,info) Implicit None class(psb_d_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='d_base_precseti' ! ! Base version does nothing. info = psb_success_ return end subroutine psb_d_base_precseti subroutine psb_d_base_precsetr(prec,what,val,info) Implicit None class(psb_d_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='d_base_precsetr' ! ! Base version does nothing. ! info = psb_success_ return end subroutine psb_d_base_precsetr subroutine psb_d_base_precsetc(prec,what,val,info) Implicit None class(psb_d_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='d_base_precsetc' ! ! Base version does nothing. ! info = psb_success_ return end subroutine psb_d_base_precsetc subroutine psb_d_base_set_ctxt(prec,ictxt) implicit none class(psb_d_base_prec_type), intent(inout) :: prec integer(psb_ipk_), intent(in) :: ictxt prec%ictxt = ictxt end subroutine psb_d_base_set_ctxt function psb_d_base_sizeof(prec) result(val) class(psb_d_base_prec_type), intent(in) :: prec integer(psb_long_int_k_) :: val val = 0 return end function psb_d_base_sizeof function psb_d_base_get_ctxt(prec) result(val) class(psb_d_base_prec_type), intent(in) :: prec integer(psb_ipk_) :: val val = prec%ictxt return end function psb_d_base_get_ctxt function psb_d_base_get_nzeros(prec) result(res) class(psb_d_base_prec_type), intent(in) :: prec integer(psb_long_int_k_) :: res res = 0 end function psb_d_base_get_nzeros end module psb_d_base_prec_mod