Re: Division issue with 3.8.2 on AIX 7.1

2020-06-04 Thread Michael Torrie
On 6/3/20 10:37 PM, Sherry L. West wrote: > I need off this list please. I don’t even have this. Unsubscribe here: https://mail.python.org/mailman/listinfo/python-list -- https://mail.python.org/mailman/listinfo/python-list

Re: Division issue with 3.8.2 on AIX 7.1

2020-06-04 Thread Terry Reedy
On 6/3/2020 8:11 PM, Dennis Lee Bieber wrote: On Tue, 2 Jun 2020 12:26:16 -0500, Albert Chin declaimed the following: I've built Python 3.8.2 on AIX 5.2, 5.3, 6.1, and 7.1. I am seeing different results for the following Python program: $ python3 -c "eps = 2.0 ** -53.0; tiny = 2.0 **

Re: Division issue with 3.8.2 on AIX 7.1

2020-06-03 Thread Sherry L. West
I need off this list please. I don’t even have this. On Wed, Jun 3, 2020 at 11:30 PM Albert Chin < python-l...@mlists.thewrittenword.com> wrote: > On Wed, Jun 03, 2020 at 08:11:17PM -0400, Dennis Lee Bieber wrote: > > On Tue, 2 Jun 2020 12:26:16 -0500, Albert Chin > > declaimed the following: >

Re: Division issue with 3.8.2 on AIX 7.1

2020-06-03 Thread Albert Chin
On Wed, Jun 03, 2020 at 08:11:17PM -0400, Dennis Lee Bieber wrote: > On Tue, 2 Jun 2020 12:26:16 -0500, Albert Chin > declaimed the following: > > >I've built Python 3.8.2 on AIX 5.2, 5.3, 6.1, and 7.1. I am seeing > >different results for the following Python program: > > $ python3 -c "eps =

Re: Division issue with 3.8.2 on AIX 7.1

2020-06-03 Thread Miki Tebeka
> Anyone know where can I look in the Python source code to investigate > this? Probably around https://github.com/python/cpython/blob/master/Objects/floatobject.c -- https://mail.python.org/mailman/listinfo/python-list

Division issue with 3.8.2 on AIX 7.1

2020-06-03 Thread Albert Chin
I've built Python 3.8.2 on AIX 5.2, 5.3, 6.1, and 7.1. I am seeing different results for the following Python program: $ python3 -c "eps = 2.0 ** -53.0; tiny = 2.0 ** -1022.0; \ print ((1.0 - eps) / tiny * 4.0)" I get the correct result, 1.7976931348623157e+308, on AIX 5.2, 5.3, and 6.1. But,