FYI, the IEEE floating point standard requires support for positive and negative zero. See Signed_Zero and IEEE_754 for more. So more like a "most computers and programming languages" thing than a Perl thing.

Elda Taluta; Sarks Sark; Ark Arks

In reply to Re^2: Determining whether a value is zero. by Argel
in thread Determining whether a value is zero. by JavaFan

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