> On Sep 5, 2021, at 6:22 PM, Peter J. Holzer wrote:
>
> On 2021-09-04 10:01:23 -0400, Richard Damon wrote:
>>> On 9/4/21 9:40 AM, Hope Rouselle wrote:
>>> Hm, I think I see what you're saying. You're saying multiplication and
>>> division in IEEE 754 is perfectly safe --- so long as the numb
On 2021-09-04 10:01:23 -0400, Richard Damon wrote:
> On 9/4/21 9:40 AM, Hope Rouselle wrote:
> > Hm, I think I see what you're saying. You're saying multiplication and
> > division in IEEE 754 is perfectly safe --- so long as the numbers you
> > start with are accurately representable in IEEE 754
On 2021-09-05 03:38:55 +1200, Greg Ewing wrote:
> If 7.23 were exactly representable, you would have got
> 723/1000.
>
> Contrast this with something that *is* exactly representable:
>
> >>> 7.875.as_integer_ratio()
> (63, 8)
>
> and observe that 7875/1000 == 63/8:
>
> >>> from fractions import
On 2021-09-04 09:48:40 -0300, Hope Rouselle wrote:
> Christian Gollwitzer writes:
> > Am 02.09.21 um 15:51 schrieb Hope Rouselle:
> > ls = [7.23, 8.41, 6.15, 2.31, 7.73, 7.77]
> > sum(ls)
> >> 39.594
> >>
> > ls = [8.41, 6.15, 2.31, 7.73, 7.77, 7.23]
> > sum(ls)
> >> 3
