Routines that scale data to different units, eg. primary, common or
	engineering routines. They can be used to translate unprocessed data 
	returned by calls to DPGET.

	(Note: These routines are considered to be deprecated and should
	 not be used in any new code.)
  • common_transform_num_const_c
  • is_interpolated_common_transform_c
  • is_linear_common_transform_c
  • is_string_common_transform_c
  • is_unscalable_primary_transform_c
  • pdb_scaling_table_limits_c
  • pdb_valid_length_c
  • read_scaling_interpolation_table_c