[Cfp-interest 2380] Re: FLT_EVAL_METHOD

[Fred J. Tydeman]

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.


---
Fred J. Tydeman        Tydeman Consulting
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