You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.8 KiB
Fortran
72 lines
2.8 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS version 3.0
|
|
!!$ (C) Copyright 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.
|
|
!!$
|
|
!!$
|
|
subroutine psb_zprecinit(p,ptype,info)
|
|
|
|
use psb_sparse_mod
|
|
use psb_prec_mod, psb_protect_name => psb_zprecinit
|
|
use psb_z_nullprec
|
|
use psb_z_diagprec
|
|
use psb_z_bjacprec
|
|
implicit none
|
|
|
|
type(psb_zprec_type), intent(inout) :: p
|
|
character(len=*), intent(in) :: ptype
|
|
integer, intent(out) :: info
|
|
|
|
info = psb_success_
|
|
|
|
if (allocated(p%prec) ) then
|
|
call p%prec%precfree(info)
|
|
if (info == psb_success_) deallocate(p%prec,stat=info)
|
|
if (info /= psb_success_) return
|
|
end if
|
|
|
|
select case(psb_toupper(ptype(1:len_trim(ptype))))
|
|
case ('NONE','NOPREC')
|
|
|
|
allocate(psb_z_null_prec_type :: p%prec, stat=info)
|
|
|
|
case ('DIAG')
|
|
allocate(psb_z_diag_prec_type :: p%prec, stat=info)
|
|
|
|
case ('BJAC')
|
|
allocate(psb_z_bjac_prec_type :: p%prec, stat=info)
|
|
|
|
case default
|
|
write(psb_err_unit,*) 'Unknown preconditioner type request "',ptype,'"'
|
|
info = psb_err_pivot_too_small_
|
|
|
|
end select
|
|
if (info == psb_success_) call p%prec%precinit(info)
|
|
|
|
end subroutine psb_zprecinit
|