[Bug 275722] lang/perl5.36 - incorrect printf/sprintf output of bignum values

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 12 Dec 2023 14:35:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275722

            Bug ID: 275722
           Summary: lang/perl5.36 - incorrect printf/sprintf output of
                    bignum values
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: mat@FreeBSD.org
          Reporter: work+freebsd@vvv.kiev.ua
          Assignee: mat@FreeBSD.org
             Flags: maintainer-feedback?(mat@FreeBSD.org)

perl5-5.36.1_1 package contains bignum/bigint/bigfloat modules which work
incorrectly with printf/sprintf. Test script:

------------------------------
#!/usr/bin/env perl

use strict;
use warnings;
use bignum;

my $a = 0.1;
my $b = sprintf("%0.1f", $a);
print "$a = $b\n";
------------------------------

Expected output is "0.1 = 0.1".
Actual output is "0.1 = 0.0".

Workaround:
pkg install p5-Math-BigInt
The package provides new versions of bignum/bigint/bigfloat modules.

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