[Bug c++/116319] std::fma should compute as if to infinite precision and rounded only once to fit the result type.

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116319

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |xry111 at gcc dot gnu.org

--- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
In addition to FLT_EVAL_METHOD issue as Andrew has already explained,
-frounding-math is needed if you are requesting a specific non-default rounding
mode.