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Should it give an error? #17

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hemanth opened this issue Jun 11, 2012 · 4 comments · Fixed by #18
Closed

Should it give an error? #17

hemanth opened this issue Jun 11, 2012 · 4 comments · Fixed by #18
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math accuracy

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@hemanth
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hemanth commented Jun 11, 2012 

> Math.sign(-0)
0
@paulmillr
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Not sure. Interested what es6 spec says about it.

@hemanth
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hemanth commented Jun 11, 2012

-0 is an IEEE754 binary double precision value, just as +0 is. It has negative sign. ECMA-262 covers IEEE754 in 8.5 "The Number Type". ~ Brendan

So it's perfectly fine! 👍

@paulmillr
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Mind opening a pull request for it? (check can be done via Object.is())

@hemanth
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hemanth commented Jun 11, 2012

My Pleasure! Will be doing it now.

Update 0 : Done.

hemanth referenced this issue in inspect-js/is-negative-zero May 14, 2014
@ljharb
Adding a trailing newline
61fb37f
@hemanth hemanth mentioned this issue Apr 13, 2015
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-0 is an IEEE754 binary double precision value, just as +0 is. It has negative sign.
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@hemanth @ljharb @paulmillr