Very strange problem with comparing floating point numbers

[monarch_dodra]

On Sunday, 30 September 2012 at 20:47:41 UTC, jerro wrote:
>> I don't really agree with that. floating point operations are 
>> just inexact, regardless of optimizations. That's how they 
>> work, period.
>
> It is true that they are inexact, but inexact and 
> non-deterministic are not the same thing. Floating point 
> operations are deterministic.

Technically (AFAIK), IEEE754 does need require reproducibility, 
ergo determinism.

You can open an ER requesting the ability to specify the FP 
behavior want (like rounding behavior), the way vstudio does it.