program chkpixels

  use spitpgm               
  implicit none


  write(0, *)  "------ CHKPIXELS ------"
  call test_alpha()

  STOP 'BECAUSE NO CPU AVAILABLE'

contains
!-------------------------------------------------------------------
!-
  subroutine test_alpha()

  integer, parameter          :: SZ = 32
  integer, dimension(SZ, SZ)  :: greymap
  integer                     :: ix, iy, value

  value = 0
  do iy=1, SZ
    do ix=1, SZ
      greymap(ix, iy) = value
      value = value + 1
    enddo
  enddo
  call spit_as_pgm_16 (greymap, 'a.pgm')
  call spit_as_pgm_eq (greymap, 'b.pgm')
  call spit_as_pgm_8  (greymap, 'c.pgm')

  end subroutine

end program

!-------------------------------------------------------------------