amg4psblas/tests/fileread/data_input.f90

!!$ 
!!$ 
!!$                           MLD2P4  version 1.0
!!$  MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$             based on PSBLAS (Parallel Sparse BLAS version 2.2)
!!$  
!!$  (C) Copyright 2008
!!$
!!$                      Salvatore Filippone  University of Rome Tor Vergata       
!!$                      Alfredo Buttari      University of Rome Tor Vergata
!!$                      Pasqua D'Ambra       ICAR-CNR, Naples
!!$                      Daniela di Serafino  Second University of Naples
!!$ 
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module data_input
  
  interface read_data
    module procedure read_char, read_int,&
         & read_double, read_single
  end interface read_data
  
contains

  subroutine read_char(val,file)
    character(len=*), intent(out) :: val
    integer, intent(in)           :: file
    character(len=1024) :: charbuf
    integer :: idx
    read(file,'(a)')charbuf
    charbuf = adjustl(charbuf)
    idx=index(charbuf,"!")
    read(charbuf(1:idx-1),'(a)') val
  end subroutine read_char
  subroutine read_int(val,file)
    integer, intent(out) :: val
    integer, intent(in)  :: file
    character(len=1024) :: charbuf
    integer :: idx
    read(file,'(a)')charbuf
    charbuf = adjustl(charbuf)
    idx=index(charbuf,"!")
    read(charbuf(1:idx-1),*) val
  end subroutine read_int
  subroutine read_single(val,file)
    use psb_base_mod
    real(psb_spk_), intent(out) :: val
    integer, intent(in)         :: file
    character(len=1024) :: charbuf
    integer :: idx
    read(file,'(a)')charbuf
    charbuf = adjustl(charbuf)
    idx=index(charbuf,"!")
    read(charbuf(1:idx-1),*) val
  end subroutine read_single
  subroutine read_double(val,file)
    use psb_base_mod
    real(psb_dpk_), intent(out) :: val
    integer, intent(in)         :: file
    character(len=1024) :: charbuf
    integer :: idx
    read(file,'(a)')charbuf
    charbuf = adjustl(charbuf)
    idx=index(charbuf,"!")
    read(charbuf(1:idx-1),*) val
  end subroutine read_double
end module data_input