anchor.diff:          options%analog_regression= analog_regression
           options%pure_regression  = pure_regression
   
  +        options%debug = debug
  +        module_debug = options%debug
  +
       end subroutine read_base_options
   
   
  
positive.code:     character(len=MAXFILELENGTH), parameter :: kDEFAULT_OPTIONS_FILENAME = "downscale_options.txt"
      character(len=MAXFILELENGTH), parameter :: kVERSION_STRING = "0.1"
      
      public :: read_config
      public :: read_files_list, read_data_type, get_options_file ! only need to be public for test_config
  contains
  
negative.code:         do i = 1, size(input)
              if (input(i) /= invalid_test) n = n+1
          end do
          n = max(1, n)
          
          if (allocated(output)) then
              if (size(output)/=n) then
  