SEI CERT Oracle Coding Standard for Java

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According to the _Java Language Specification_ \[[JLS 2005|AA. Bibliography#JLS 05]\], [§4.2.3, "Floating-Point Types, Formats, and Values"|http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.2.3]

NaN (not-a-number) is unordered, so the numerical comparison operators <, <=, >, and >= return false if either or both operands are NaN. The equality operator == returns false if either operand is NaN, and the inequality operator != returns true if either operand is NaN.

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[[FindBugs 2008

AA. Bibliography#FindBugs 08]]

FE: Doomed test for equality to NaN

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[[JLS 2005

AA. Bibliography#JLS 05]]

[§4.2.3, "Floating-Point Types, Formats, and Values"

http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.2.3]

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