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Postings from January 2018
On Sat, 27 Jan 2018 15:27:38 GMT, slaven@rezic.de wrote:
>
> This is a bug report for perl from slaven@rezic.de,
> generated with the help of perlbug 1.41 running under perl 5.27.8.
>
>
> -----------------------------------------------------------------
> t/008integerize.t started to fail with 5.27.8, and was OK until
> 5.27.7 (sorry, I have no bisect result available):
>
> # Failed test 'rounding'
> # at t/008integerize.t line 208.
> # Comparing $data as a Bag
> # Missing: 1 reference
> # Extra: 1 reference
> # Looks like you failed 1 test of 15.
> t/008integerize.t ........
> Dubious, test returned 1 (wstat 256, 0x100)
> Failed 1/15 subtests
>
>
Bisection points to:
#####
60fa46621ae5d0d44c802aedc205274584701fa0 is the first bad commit
commit 60fa46621ae5d0d44c802aedc205274584701fa0
Author: Zefram <zefram@fysh.org>
Date: Fri Jan 19 05:05:07 2018 +0000
fix F0convert() on edge cases
The F0convert() function used to implement the %.0f format specifier more cheaply went wrong on some edge cases. Its rounding went wrong when the exponent is such that fractional values are not representable, making the "+= 0.5" invoke floating point rounding. Fix that by only invoking that rounding logic for values that start out fractional. That fixes the output part of [perl #47602]. It also failed to emit the sign for negative zero. Fix that by making it not apply to zero values.
:100644 100644 2c13b3b3338fefd5ae8740312f837449f017118f 6ad33c0bfc96572d236638441b089b042afcd43a M sv.c
:040000 040000 c2d3748e4aa975205765013f0386fafa19372f7f 2aed33bffd807ca1eb42fa34df79406cbcec7730 M t
bisect run success
That took 2312 seconds.
#####
Thank you very much.
--
James E Keenan (jkeenan@cpan.org)
---
via perlbug: queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=132775
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