!!$ !!$ Parallel Sparse BLAS version 3.0 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010 !!$ 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_s_base_prec_mod ! Reduces size of .mod file. use psb_base_mod, only : psb_spk_, psb_long_int_k_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,& & psb_s_base_sparse_mat, psb_sspmat_type, psb_s_csr_sparse_mat,& & psb_s_base_vect_type, psb_s_vect_type use psb_prec_const_mod type psb_s_base_prec_type integer :: ictxt contains procedure, pass(prec) :: set_ctxt => psb_s_base_set_ctxt procedure, pass(prec) :: get_ctxt => psb_s_base_get_ctxt procedure, pass(prec) :: s_apply_v => psb_s_base_apply_vect procedure, pass(prec) :: s_apply => psb_s_base_apply generic, public :: apply => s_apply, s_apply_v procedure, pass(prec) :: precbld => psb_s_base_precbld procedure, pass(prec) :: precseti => psb_s_base_precseti procedure, pass(prec) :: precsetr => psb_s_base_precsetr procedure, pass(prec) :: precsetc => psb_s_base_precsetc procedure, pass(prec) :: sizeof => psb_s_base_sizeof generic, public :: precset => precseti, precsetr, precsetc procedure, pass(prec) :: precinit => psb_s_base_precinit procedure, pass(prec) :: precfree => psb_s_base_precfree procedure, pass(prec) :: precdescr => psb_s_base_precdescr procedure, pass(prec) :: dump => psb_s_base_precdump procedure, pass(prec) :: get_nzeros => psb_s_base_get_nzeros end type psb_s_base_prec_type private :: psb_s_base_apply, psb_s_base_precbld, psb_s_base_precseti,& & psb_s_base_precsetr, psb_s_base_precsetc, psb_s_base_sizeof,& & psb_s_base_precinit, psb_s_base_precfree, psb_s_base_precdescr,& & psb_s_base_precdump, psb_s_base_set_ctxt, psb_s_base_get_ctxt, & & psb_s_base_apply_vect, psb_s_base_get_nzeros contains subroutine psb_s_base_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) implicit none type(psb_desc_type),intent(in) :: desc_data class(psb_s_base_prec_type), intent(inout) :: prec real(psb_spk_),intent(in) :: alpha, beta type(psb_s_vect_type),intent(inout) :: x type(psb_s_vect_type),intent(inout) :: y integer, intent(out) :: info character(len=1), optional :: trans real(psb_spk_),intent(inout), optional, target :: work(:) Integer :: err_act, nrow character(len=20) :: name='s_base_prec_apply' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_apply_vect subroutine psb_s_base_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) implicit none type(psb_desc_type),intent(in) :: desc_data class(psb_s_base_prec_type), intent(in) :: prec real(psb_spk_),intent(in) :: alpha, beta real(psb_spk_),intent(inout) :: x(:) real(psb_spk_),intent(inout) :: y(:) integer, intent(out) :: info character(len=1), optional :: trans real(psb_spk_),intent(inout), optional, target :: work(:) Integer :: err_act, nrow character(len=20) :: name='s_base_prec_apply' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_apply subroutine psb_s_base_precinit(prec,info) Implicit None class(psb_s_base_prec_type),intent(inout) :: prec integer, intent(out) :: info Integer :: err_act, nrow character(len=20) :: name='s_base_precinit' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precinit subroutine psb_s_base_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) Implicit None type(psb_sspmat_type), intent(in), target :: a type(psb_desc_type), intent(in), target :: desc_a class(psb_s_base_prec_type),intent(inout) :: prec integer, intent(out) :: info character, intent(in), optional :: upd character(len=*), intent(in), optional :: afmt class(psb_s_base_sparse_mat), intent(in), optional :: amold class(psb_s_base_vect_type), intent(in), optional :: vmold Integer :: err_act, nrow character(len=20) :: name='s_base_precbld' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precbld subroutine psb_s_base_precseti(prec,what,val,info) Implicit None class(psb_s_base_prec_type),intent(inout) :: prec integer, intent(in) :: what integer, intent(in) :: val integer, intent(out) :: info Integer :: err_act, nrow character(len=20) :: name='s_base_precseti' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precseti subroutine psb_s_base_precsetr(prec,what,val,info) Implicit None class(psb_s_base_prec_type),intent(inout) :: prec integer, intent(in) :: what real(psb_spk_), intent(in) :: val integer, intent(out) :: info Integer :: err_act, nrow character(len=20) :: name='s_base_precsetr' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precsetr subroutine psb_s_base_precsetc(prec,what,val,info) Implicit None class(psb_s_base_prec_type),intent(inout) :: prec integer, intent(in) :: what character(len=*), intent(in) :: val integer, intent(out) :: info Integer :: err_act, nrow character(len=20) :: name='s_base_precsetc' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precsetc subroutine psb_s_base_precfree(prec,info) Implicit None class(psb_s_base_prec_type), intent(inout) :: prec integer, intent(out) :: info Integer :: err_act, nrow character(len=20) :: name='s_base_precfree' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precfree subroutine psb_s_base_precdescr(prec,iout) Implicit None class(psb_s_base_prec_type), intent(in) :: prec integer, intent(in), optional :: iout Integer :: err_act, nrow, info character(len=20) :: name='s_base_precdescr' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precdescr subroutine psb_s_base_precdump(prec,info,prefix,head) implicit none class(psb_s_base_prec_type), intent(in) :: prec integer, intent(out) :: info character(len=*), intent(in), optional :: prefix,head Integer :: err_act, nrow character(len=20) :: name='s_base_precdump' call psb_erractionsave(err_act) ! ! This is the base version and we should throw an error. ! Or should it be the NULL preonditioner??? ! info = 700 call psb_errpush(info,name) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine psb_s_base_precdump subroutine psb_s_base_set_ctxt(prec,ictxt) implicit none class(psb_s_base_prec_type), intent(inout) :: prec integer, intent(in) :: ictxt prec%ictxt = ictxt end subroutine psb_s_base_set_ctxt function psb_s_base_sizeof(prec) result(val) class(psb_s_base_prec_type), intent(in) :: prec integer(psb_long_int_k_) :: val val = 0 return end function psb_s_base_sizeof function psb_s_base_get_ctxt(prec) result(val) class(psb_s_base_prec_type), intent(in) :: prec integer :: val val = prec%ictxt return end function psb_s_base_get_ctxt function psb_s_base_get_nzeros(prec) result(res) class(psb_s_base_prec_type), intent(in) :: prec integer(psb_long_int_k_) :: res res = 0 end function psb_s_base_get_nzeros end module psb_s_base_prec_mod