Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.11.0-0.1

[Achim Gratz <Stromeko at nexgo dot de>]

Houder writes:
> from:
> const int xxx = 0x3d; // FE_ALL_EXCEPT on Linux, i.e. the denormal-operand
>                       // exception is excluded on Linux
>
> to:
> const int xxx = 0x3f; // Cygwin allows the denormal-operand exception;
>                       // Linux (Andreas Jaeger) does not.
>                       // This exception is not defined by the IEEE 754
>                       // standard (Floating-Point Arithmetic)
>
> (denormal-operand = input of a subnormal value)

Linux supports a range of hardware where denormals are not supported or
a major performance hit.  Windows should be only supported on hardware
where this problem doesn't exist.  That said, numerical software that
relies on correct denormals is really rare and following Linux might be
a good idea.


Regards,
Achim.
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