Nope, not a Cygwin specific issue.
I get the same behavior at the same point on Gentoo perl 5.8.8 (x86
dual-Xeon), Debian Etch perl 5.8.8 (x86 P4), and SunOS 5.10 perl 5.8.4.
William Sutton
On Thu, 27 Sep 2007, Andrew Louie wrote:
Hello,
I've run into a strange adding problem with perl:
when incrementing by 0.1 i get a strange behavior where at some
arbitrary number, it will append 0.9999999999 to the end of the
number.
test case:
------------------------------------------------------------------------------------
my $start = 0;
my $interval = 0.1;
my $end = 10;
do{ print "start: $start\n"; $start += $interval;}until($start >= $end);
------------------------------------------------------------------------------------
Results:
...
start: 4.5
start: 4.6
start: 4.7
start: 4.8
start: 4.9
start: 5
start: 5.1
start: 5.2
start: 5.3
start: 5.4
start: 5.5
start: 5.6
start: 5.7
start: 5.8
start: 5.9
start: 5.99999999999999
start: 6.09999999999999
start: 6.19999999999999
start: 6.29999999999999
start: 6.39999999999999
start: 6.49999999999999
start: 6.59999999999999
start: 6.69999999999999
start: 6.79999999999999
start: 6.89999999999999
------------------------------------------------------------------------------------
why all of suddun i get 5.999999999?
Is this a perl problem?
im using cygwin version 1.5.24
perl -v:
This is perl, v5.8.8 built for cygwin-thread-multi-64int
(with 8 registered patches, see perl -V for more detail)
--
-Andrew Louie
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