GNU bug report logs - #9411
23.2; Improper integer conversion (rounding?) on data entry in Calc

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Package: emacs;

Reported by: Keith Browne <tuxedo <at> htq.org>

Date: Tue, 30 Aug 2011 21:54:01 UTC

Severity: normal

Found in version 23.2

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Keith Browne <tuxedo <at> htq.org>
Cc: 9411 <at> debbugs.gnu.org
Subject: bug#9411: 23.2; Improper integer conversion (rounding?) on data entry in Calc
Date: Wed, 31 Aug 2011 00:14:44 +0200

Keith Browne <tuxedo <at> htq.org> writes:

> M-x calc [RETURN]
> 90000000000000010 [RETURN]
> (that's 9, followed by fourteen 0s, followed by 10)
>
> - Observe that 90000000000000016 appears on the stack, not
> 90000000000000010.

That is an inaccuracy in string-to-number that should be fixed in Emacs
24.  You can work around it by reducing math-bignum-digit-length.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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This bug report was last modified 13 years and 263 days ago.

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