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Re: [Json] I-JSON Topic #5: Numbers

Tim Bray <tbray@textuality.com> Wed, 21 May 2014 15:21 UTC

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References: <535EB3BF.8080606@cisco.com> <CAHBU6ivjF9ULW0yGSVdJi2D6QgUThuhym_ZhpgLM=cvLu=mAiQ@mail.gmail.com> <CF841AAE.47D86%jhildebr@cisco.com> <CAHBU6itK5HtSTPWSsHsHUPja90emqU86LsgjrBorkqcUDivS2A@mail.gmail.com> <CF87EB9C.48BB0%jhildebr@cisco.com> <537A5BE0.3020406@cisco.com> <CF9FCEC9.4A4E7%jhildebr@cisco.com> <488AE66E-725D-40B3-9FDA-ADA1018BCF65@tzi.org> <CFA0F09E.4A609%jhildebr@cisco.com> <255B9BB34FB7D647A506DC292726F6E115461FFE59@WSMSG3153V.srv.dir.telstra.com> <20140521020731.GG9283@mercury.ccil.org> <CFA21B5C.4A721%jhildebr@cisco.com>
From: Tim Bray <tbray@textuality.com>
Date: Wed, 21 May 2014 10:20:09 -0500
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To: "Joe Hildebrand (jhildebr)" <jhildebr@cisco.com>
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Cc: "Manger, James" <James.H.Manger@team.telstra.com>, Carsten Bormann <cabo@tzi.org>, "Matt Miller (mamille2)" <mamille2@cisco.com>, John Cowan <cowan@mercury.ccil.org>, IETF JSON WG <json@ietf.org>
Subject: Re: [Json] I-JSON Topic #5: Numbers
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Probably worth mentioning that 9007199254740992 is 2**53.


On Wed, May 21, 2014 at 9:59 AM, Joe Hildebrand (jhildebr) <
jhildebr@cisco.com> wrote:

> On 5/20/14, 8:07 PM, "John Cowan" <cowan@mercury.ccil.org> wrote:
>
> >"An I-JSON sender MUST NOT expect a receiver to treat a non-zero number
> >whose absolute value is greater than 1e308 or less than 1e-308
> >as an exact value.  Furthermore, an I-JSON sender MUST NOT expect a
> >receiver to treat an integer whose absolute value is greater than
> >9007199254740992 as an exact value."
>
> +1.  Succinct and captures the issues.
>
> --
> Joe Hildebrand
>
>
>
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