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.
amg4psblas/examples/pdegen/data_input.f90

188 lines
6.3 KiB
Fortran

!!$
!!$
!!$ MLD2P4 version 2.0
!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0)
!!$
!!$ (C) Copyright 2008,2009,2010
!!$
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$ Pasqua D'Ambra ICAR-CNR, Naples
!!$ Daniela di Serafino Second University of Naples
!!$
!!$ 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 MLD2P4 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 MLD2P4 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 data_input
interface read_data
module procedure read_char, read_int,&
& read_double, read_single,&
& string_read_char, string_read_int,&
& string_read_double, string_read_single
end interface read_data
interface trim_string
module procedure trim_string
end interface
character(len=4096), private :: charbuf
character, private, parameter :: def_marker="!"
contains
subroutine read_char(val,file,marker)
character(len=*), intent(out) :: val
integer, intent(in) :: file
character(len=1), optional, intent(in) :: marker
read(file,'(a)')charbuf
call read_data(val,charbuf,marker)
end subroutine read_char
subroutine read_int(val,file,marker)
integer, intent(out) :: val
integer, intent(in) :: file
character(len=1), optional, intent(in) :: marker
read(file,'(a)')charbuf
call read_data(val,charbuf,marker)
end subroutine read_int
subroutine read_single(val,file,marker)
use psb_sparse_mod
real(psb_spk_), intent(out) :: val
integer, intent(in) :: file
character(len=1), optional, intent(in) :: marker
read(file,'(a)')charbuf
call read_data(val,charbuf,marker)
end subroutine read_single
subroutine read_double(val,file,marker)
use psb_sparse_mod
real(psb_dpk_), intent(out) :: val
integer, intent(in) :: file
character(len=1), optional, intent(in) :: marker
read(file,'(a)')charbuf
call read_data(val,charbuf,marker)
end subroutine read_double
subroutine string_read_char(val,file,marker)
character(len=*), intent(out) :: val
character(len=*), intent(in) :: file
character(len=1), optional, intent(in) :: marker
character(len=1) :: marker_
character(len=1024) :: charbuf
integer :: idx
if (present(marker)) then
marker_ = marker
else
marker_ = def_marker
end if
read(file,'(a)')charbuf
charbuf = adjustl(charbuf)
idx=index(charbuf,marker_)
if (idx == 0) idx = len(charbuf)+1
read(charbuf(1:idx-1),'(a)') val
end subroutine string_read_char
subroutine string_read_int(val,file,marker)
integer, intent(out) :: val
character(len=*), intent(in) :: file
character(len=1), optional, intent(in) :: marker
character(len=1) :: marker_
character(len=1024) :: charbuf
integer :: idx
if (present(marker)) then
marker_ = marker
else
marker_ = def_marker
end if
read(file,'(a)')charbuf
charbuf = adjustl(charbuf)
idx=index(charbuf,marker_)
if (idx == 0) idx = len(charbuf)+1
read(charbuf(1:idx-1),*) val
end subroutine string_read_int
subroutine string_read_single(val,file,marker)
use psb_sparse_mod
real(psb_spk_), intent(out) :: val
character(len=*), intent(in) :: file
character(len=1), optional, intent(in) :: marker
character(len=1) :: marker_
character(len=1024) :: charbuf
integer :: idx
if (present(marker)) then
marker_ = marker
else
marker_ = def_marker
end if
read(file,'(a)')charbuf
charbuf = adjustl(charbuf)
idx=index(charbuf,marker_)
if (idx == 0) idx = len(charbuf)+1
read(charbuf(1:idx-1),*) val
end subroutine string_read_single
subroutine string_read_double(val,file,marker)
use psb_sparse_mod
real(psb_dpk_), intent(out) :: val
character(len=*), intent(in) :: file
character(len=1), optional, intent(in) :: marker
character(len=1) :: marker_
character(len=1024) :: charbuf
integer :: idx
if (present(marker)) then
marker_ = marker
else
marker_ = def_marker
end if
read(file,'(a)')charbuf
charbuf = adjustl(charbuf)
idx=index(charbuf,marker_)
if (idx == 0) idx = len(charbuf)+1
read(charbuf(1:idx-1),*) val
end subroutine string_read_double
function trim_string(string,marker)
character(len=*), intent(in) :: string
character(len=1), optional, intent(in) :: marker
character(len=len(string)) :: trim_string
character(len=1) :: marker_
integer :: idx
if (present(marker)) then
marker_ = marker
else
marker_ = def_marker
end if
idx=index(string,marker_)
trim_string = adjustl(string(idx:))
end function trim_string
end module data_input