!!$ !!$ 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_dpk_, psb_spk_, psb_long_int_k_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus,& & psb_sspmat_type use psb_prec_const_mod type psb_s_base_prec_type contains procedure, pass(prec) :: apply => psb_s_base_apply 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 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 contains subroutine psb_s_base_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) use psb_base_mod 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(in) :: 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) use psb_base_mod 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,mold,afmt) use psb_base_mod 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 :: mold 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) use psb_base_mod 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) use psb_base_mod 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) use psb_base_mod 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) use psb_base_mod 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) use psb_base_mod 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 function psb_s_base_sizeof(prec) result(val) use psb_base_mod class(psb_s_base_prec_type), intent(in) :: prec integer(psb_long_int_k_) :: val val = 0 return end function psb_s_base_sizeof end module psb_s_base_prec_mod