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Re: Calc; Emacs has big-number support

From: David Kastrup
Subject: Re: Calc; Emacs has big-number support
Date: Mon, 03 Sep 2018 12:00:26 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Robert Pluim <address@hidden> writes:

> David Kastrup <address@hidden> writes:
>> Please describe exactly what actions triggered the bug and the
>> precise symptoms of the bug.  If possible, include a backtrace by
>> doing `\[toggle-debug-on-error]', then reproducing the bug.
>> With big number support native to Emacs, the number support primitives
>> should no longer employ the historic large integer representation.  As
>> XEmacs is essentially frozen (and has had (optional?) big number support
>> for much longer anyway), this should not be a consideration.  As opposed
>> to the (never completed) Calc 2.0 project of using Emacs floats where
>> feasible, this does not require bolstering precice arithmetic with fast
>> but approximative floating point arithmetic but is a wholesale
>> replacement of precise integer arithmetic.
>> As such, it should not pose new numeric and structural challenges but
>> would be "just" a case of simplifying code.
> Yes. I posted a proof-of-concept patch here a while back, and am
> (slowly) working on making sure the result works correctly.

Great to hear!  Thanks!

David Kastrup

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