[Cfp-interest 1818] Re: Exact subnormal results
Fred J. Tydeman
tydeman at tybor.com
Sat Oct 24 06:58:39 PDT 2020
On Sat, 24 Oct 2020 17:18:26 +1100 (AEDT) Damian McGuckin wrote:
>
>I find messing with an errno of ERANGE or EDOM does awful things to my
>optimization. Are there any plans to get rid of these two cases in the
>standardization iteration after C23?
No. But, currently, implementations are NOT required to use errno.
They can set math_errhandling to just MATH_ERREXCEPT.
---
Fred J. Tydeman Tydeman Consulting
tydeman at tybor.com Testing, numerics, programming
+1 (702) 608-6093 Vice-chair of PL22.11 (ANSI "C")
Sample C99+FPCE tests: http://www.tybor.com
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