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A comment on 0.3 - 0.2 == 0.2 - 0.1 is falsy. Which language gets this right?. Parent comment

Re:0.3 - 0.2 == 0.2 - 0.1 is falsy. Which language gets this... by rst on Thursday October 04, 2012 @11:52AM (#4612883)
Some SQL implementations seem to. In Postgres:

  test=# select (0.3 - 0.2) - 0.1;
   ?column? 
  ----------
        0.0
  (1 row)
(Ruby gives me -2.77555756156289e-17)
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