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bug#14863: bitwise-bit-count is wrong for negative arguments
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From: |
Göran Weinholt |
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Subject: |
bug#14863: bitwise-bit-count is wrong for negative arguments |
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Date: |
Tue, 16 Jul 2013 16:08:07 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) |
Mark H Weaver <address@hidden> writes:
> Göran Weinholt <address@hidden> 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
I just discovered that fxbit-count has the same bug.
Regards,
--
Göran Weinholt <address@hidden>
20 JUSTICE KENNEDY: That seems odd. I mean,
21 Microsoft doesn't say please buy our disk because it's
22 the prettiest disk in the business.
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