anchor.diff:  big_const_float(F) ->
     I = trunc(F),
     badarith = try (1/(2*I)) catch error:Err -> Err end,
  -  _Ignore = 2/I,
  +  _ = 2/I,
     {'EXIT', _} = (catch 4/(2*I)),
     ok.
   
  
positive.code:   ok = test_catch_bad_fp_arith(),
    ok = test_catch_fp_conv(),
    ok = test_fp_with_fp_exceptions(),
    ok.
  
  %%--------------------------------------------------------------------
  
negative.code: %%--------------------------------------------------------------------
  
  test_fp_ebb() ->
    1.0 = foo(2 * math:pi()),
    1.0 = bar(2 * math:pi()),
    ok.
  
  foo(X) ->
  