program main

!*****************************************************************************80
!
!! MAIN is the main program for TABLE_IO_PRB.
!
!  Discussion:
!
!    TABLE_IO_PRB calls the TABLE_IO test routines.
!
!  Modified:
!
!    21 July 2007
!
!  Author:
!
!    John Burkardt
!
  implicit none

  call timestamp ( )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TABLE_IO_PRB'
  write ( *, '(a)' ) '  FORTRAN90 version:'
  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Test the routines in the TABLE_IO library.'

  call test01 ( )
  call test02 ( )
  call test03 ( )
  call test04 ( )
  call test05 ( )
  call test06 ( )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TABLE_IO_PRB'
  write ( *, '(a)' ) '  Normal end of execution.'

  write ( *, '(a)' ) ' '
  call timestamp ( )

  stop
end
subroutine test01 ( )

!*****************************************************************************80
!
!! TEST01 tests DTABLE_WRITE.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  integer ( kind = 4 ), parameter :: n = 20
  integer ( kind = 4 ), parameter :: m = 5

  logical header
  integer ( kind = 4 ) i
  integer ( kind = 4 ) j
  character ( len = 80 ) :: output_filename = 'dtable_05_00020.txt'
  real    ( kind = 8 ) table(m,n)

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST01'
  write ( *, '(a)' ) '  DTABLE_WRITE writes a double precision real TABLE file.'

  do i = 1, m
    do j = 1, n
      table(i,j) = real ( 100 * j + i, kind = 8 ) / 10.0D+00
    end do
  end do

  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  call r8mat_print_some ( m, n, table, 1, 1, 5, 5, &
    '  5x5 portion of the data written to file:' )

  call r8mat_transpose_print_some ( m, n, table, 1, 1, 5, 5, &
    '  5x5 portion of the TRANSPOSED data:' )

  header = .true.

  call dtable_write ( output_filename, m, n, table, header )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Wrote the header and data for "' &
    // trim ( output_filename ) //'".'

  return
end
subroutine test02 ( )

!*****************************************************************************80
!
!! TEST02 tests DTABLE_HEADER_READ, DTABLE_DATA_READ.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  character ( len = 80 ) :: input_filename = 'dtable_05_00020.txt'
  integer ( kind = 4 ) m
  integer ( kind = 4 ) n
  real    ( kind = 8 ), allocatable, dimension ( :, : ) :: table

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST02'
  write ( *, '(a)' ) '  For double precision real data stored in a TABLE file,'
  write ( *, '(a)' ) '  DTABLE_HEADER_READ reads the header information'
  write ( *, '(a)' ) '  (about the dimensions of the data);'
  write ( *, '(a)' ) '  DTABLE_DATA_READ reads the data.'

  call dtable_header_read (  input_filename, m, n )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Read the header of "' // trim ( input_filename ) //'".'
  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  allocate ( table(1:m,1:n) )

  call dtable_data_read (  input_filename, m, n, table )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Read the data in "' // trim ( input_filename ) //'".'

  call r8mat_print_some ( m, n, table, 1, 1, 5, 5, &
    '  5x5 portion of data read from file:' )

  deallocate ( table )

  return
end
subroutine test03 ( )

!*****************************************************************************80
!
!! TEST03 tests ITABLE_WRITE.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  integer ( kind = 4 ), parameter :: n = 20
  integer ( kind = 4 ), parameter :: m = 5

  logical header
  integer ( kind = 4 ) i
  integer ( kind = 4 ) j
  character ( len = 80 ) :: output_filename = 'itable_05_00020.txt'
  integer ( kind = 4 ) table(m,n)

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST03'
  write ( *, '(a)' ) '  ITABLE_WRITE writes an integer TABLE file.'

  do i = 1, m
    do j = 1, n
      table(i,j) = 100 * j + i
    end do
  end do

  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  call i4mat_print_some ( m, n, table, 1, 1, 5, 5, &
    '  5 x 5 portion of data written to file:' )

  header = .true.

  call itable_write ( output_filename, m, n, table, header )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Wrote the header and data for "' &
    // trim ( output_filename ) //'".'

  return
end
subroutine test04 ( )

!*****************************************************************************80
!
!! TEST04 tests ITABLE_HEADER_READ, ITABLE_DATA_READ.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  character ( len = 80 ) :: input_filename = 'itable_05_00020.txt'
  integer ( kind = 4 ) m
  integer ( kind = 4 ) n
  integer ( kind = 4 ), allocatable, dimension ( :, : ) :: table

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST04'
  write ( *, '(a)' ) '  For integer data stored in a TABLE file,'
  write ( *, '(a)' ) '  ITABLE_HEADER_READ reads the header information'
  write ( *, '(a)' ) '  (about the dimensions of the data);'
  write ( *, '(a)' ) '  ITABLE_DATA_READ reads the data.'

  call itable_header_read (  input_filename, m, n )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Read the header of "' // trim ( input_filename ) //'".'
  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  allocate ( table(1:m,1:n) )

  call itable_data_read (  input_filename, m, n, table )

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) '  Read the data in "' // trim ( input_filename ) //'".'

  call i4mat_print_some ( m, n, table, 1, 1, 5, 5, &
    '  5 x 5 portion of data read from file:' )

  deallocate ( table )

  return
end
subroutine test05 ( )

!*****************************************************************************80
!
!! TEST05 tests R8MAT_UNIFORM_01.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  integer ( kind = 4 ), parameter :: m = 2
  integer ( kind = 4 ), parameter :: n = 10

  integer ( kind = 4 ) :: seed = 123456789
  real    ( kind = 8 ), dimension (m,n) :: table

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST05'
  write ( *, '(a)' ) '  R8MAT_UNIFORM_01 sets a random double precision'
  write ( *, '(a)' ) '  table dataset.'
  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  call r8mat_uniform_01 ( m, n, seed, table )

  call r8mat_print_some ( m, n, table, 1, 1, 5, 10, &
    '  5x10 portion of random real table dataset:' )

  return
end
subroutine test06 ( )

!*****************************************************************************80
!
!! TEST06 tests ITABLE_DATA_BORDER_ADD, ITABLE_DATA_BORDER_CUT.
!
!  Modified:
!
!    26 September 2006
!
!  Author:
!
!    John Burkardt
!
  implicit none

  integer ( kind = 4 ), parameter :: m = 6
  integer ( kind = 4 ), parameter :: n = 4

  integer ( kind = 4 ), dimension (m,n) :: table
  integer ( kind = 4 ), dimension (m-2,n-2) :: table2
  integer ( kind = 4 ), dimension (m,n) :: table3

  write ( *, '(a)' ) ' '
  write ( *, '(a)' ) 'TEST06'
  write ( *, '(a)' ) '  ITABLE_DATA_BORDER_CUT cuts off the border;'
  write ( *, '(a)' ) '  ITABLE_DATA_BORDER_ADD adds a zero border.'
  write ( *, '(a)' ) ' '
  write ( *, '(a,i8)' ) '  Spatial dimension M = ', m
  write ( *, '(a,i8)' ) '  Number of points N  = ', n

  call i4mat_indicator ( m, n, table )

  call i4mat_print ( m, n, table, '  Initial dataset:' )

  call itable_data_border_cut ( m, n, table, table2 )

  call i4mat_print ( m-2, n-2, table2, '  "Cut" dataset:' )

  call itable_data_border_add ( m-2, n-2, table2, table3 )

  call i4mat_print ( m, n, table3, '  "Added" dataset:' )

  return
end