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From cestella <>
Subject [GitHub] metron issue #681: METRON-1079 Add NaN as a keyword in STELLAR language
Date Tue, 15 Aug 2017 18:36:44 GMT
Github user cestella commented on the issue:
    Yeah, it's true, I suppose having `==` double as a `NaN` check is probably not the right
thing due to the transitivity of equality (I'd like to `SQRT(-1) == NaN` to be `true` but
`SQRT(-1) == SQRT(-2)` to not be true).  Probably it's better to have an `IS_NAN(x)` like
other languages.

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