|
| From: | Mark H Weaver |
| Subject: | bug#14864: bitwise-arithmetic-shift-right is wrong for large shift amounts |
| Date: | Sun, 14 Jul 2013 14:54:24 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Göran Weinholt <address@hidden> writes:
> bitwise-arithmetic-shift-right from (rnrs) is wrong for ridiculously
> large shift amounts:
>
> scheme@(guile-user)> (import (rnrs))
> scheme@(guile-user)> (bitwise-arithmetic-shift-right -2 (+ (greatest-fixnum)
> 1))
> $1 = -2
>
> The correct result is -1.
Thanks for the report. Now fixed in stable-2.0.
http://git.savannah.gnu.org/gitweb/?p=guile.git;a=commitdiff;h=7e8166f5bdb526c021c826943aaf050134cccc83
Mark
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