GNU bug report logs - #14863
bitwise-bit-count is wrong for negative arguments

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Package: guile;

Reported by: Göran Weinholt <goran <at> weinholt.se>

Date: Sun, 14 Jul 2013 15:45:02 UTC

Severity: normal

Done: Mark H Weaver <mhw <at> netris.org>

Bug is archived. No further changes may be made.

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Message #10 received at 14863-done <at> debbugs.gnu.org (full text, mbox):

From: Mark H Weaver <mhw <at> netris.org>
To: Göran Weinholt <goran <at> weinholt.se>
Cc: 14863-done <at> debbugs.gnu.org
Subject: Re: bug#14863: bitwise-bit-count is wrong for negative arguments
Date: Sun, 14 Jul 2013 14:14:05 -0400

Göran Weinholt <goran <at> weinholt.se> writes:

> the bitwise-bit-count procedure from (rnrs) is wrong for negative
> arguments in Guile 2.0.9:
>
> scheme@(guile-user)> (import (rnrs))
> scheme@(guile-user)> (bitwise-bit-count #b-101)
> $1 = 1
>
> The correct result is -2.

Indeed, thanks for the report.  Now fixed on the stable-2.0 branch.

http://git.savannah.gnu.org/gitweb/?p=guile.git;a=commitdiff;h=e8f329972666db6c9d4644619473e14d54db3a80

     Mark
This bug report was last modified 12 years and 7 days ago.

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