[Cfp-interest 2381] Re: FLT_EVAL_METHOD

[Damian McGuckin]

On Mon, 14 Feb 2022, Fred J. Tydeman wrote:

> On Tue, 15 Feb 2022 11:15:23 +1100 (AEDT) Damian McGuckin wrote:
>>
>> These days, compilers seem to have it as 0, unless changed when you 
>> invoke the compiler. Was it always thus or did compilers used to have 
>> it set as 1 or 2?
>
> For Intel x87 FPU, it should be set as 2 (since everything is done as 80-bit long double).
> For Intel sse (which came long after x87), it should be set as 0.
>
> ARM should set it as 0.
>
> IBM S/360 mainframe should set it as 0.

Thanks Fred.

I am glad your memory on such things is better than mine.

Stay safe - Damian

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