anchor.diff:  
   all() -> 
       [fpe, fp_drv, fp_drv_thread, otp_7178, denormalized,
  -     match, bad_float_unpack, {group, comparison}
  +     match, bad_float_unpack, write, {group, comparison}
        ,hidden_inf
       ].
   
  
positive.code: 	 init_per_group/2,end_per_group/2,
  	 init_per_testcase/2,end_per_testcase/2,
  	 fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,
  	 bad_float_unpack/1,cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
  -export([otp_7178/1]).
  -export([hidden_inf/1]).
  
  
negative.code: bad_float_unpack_match(<<F:64/float>>) -> F;
  bad_float_unpack_match(<<I:64/integer-signed>>) -> I.
  
  %% Exposes endianness issues.
  
  write(Config) when is_list(Config) ->
      "1.0" = io_lib:write(1.0).
  
  cmp_zero(_Config) ->
      cmp(0.5e-323,0).
  
  