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183 lines
6.0 KiB
Fortran
183 lines
6.0 KiB
Fortran
!
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! AMG4PSBLAS version 1.0
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! Algebraic Multigrid Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.7)
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!
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! (C) Copyright 2020
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!
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! Salvatore Filippone
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! Pasqua D'Ambra
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! Fabio Durastante
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the AMG4PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AMG4PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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module data_input
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interface read_data
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module procedure read_char, read_int,&
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& read_double, read_single,&
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& string_read_char, string_read_int,&
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& string_read_double, string_read_single
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end interface read_data
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interface trim_string
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module procedure trim_string
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end interface
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character(len=4096), private :: charbuf
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character, private, parameter :: def_marker="!"
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contains
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subroutine read_char(val,file,marker)
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character(len=*), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_char
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subroutine read_int(val,file,marker)
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integer, intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_int
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subroutine read_single(val,file,marker)
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use psb_base_mod
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real(psb_spk_), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_single
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subroutine read_double(val,file,marker)
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use psb_base_mod
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real(psb_dpk_), intent(out) :: val
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integer, intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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read(file,'(a)')charbuf
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call read_data(val,charbuf,marker)
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end subroutine read_double
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subroutine string_read_char(val,file,marker)
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character(len=*), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),'(a)') val
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end subroutine string_read_char
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subroutine string_read_int(val,file,marker)
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integer, intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_int
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subroutine string_read_single(val,file,marker)
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use psb_base_mod
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real(psb_spk_), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_single
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subroutine string_read_double(val,file,marker)
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use psb_base_mod
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real(psb_dpk_), intent(out) :: val
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character(len=*), intent(in) :: file
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character(len=1), optional, intent(in) :: marker
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character(len=1) :: marker_
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character(len=1024) :: charbuf
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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read(file,'(a)')charbuf
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charbuf = adjustl(charbuf)
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idx=index(charbuf,marker_)
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if (idx == 0) idx = len(charbuf)+1
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read(charbuf(1:idx-1),*) val
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end subroutine string_read_double
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function trim_string(string,marker)
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character(len=*), intent(in) :: string
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character(len=1), optional, intent(in) :: marker
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character(len=len(string)) :: trim_string
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character(len=1) :: marker_
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integer :: idx
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if (present(marker)) then
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marker_ = marker
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else
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marker_ = def_marker
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end if
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idx=index(string,marker_)
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trim_string = adjustl(string(idx:))
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end function trim_string
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end module data_input
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