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




On Aug 10 14:43, Houder wrote:
> On Fri, 10 Aug 2018 13:42:54, Corinna Vinschen wrote:
> [snip]
> 
> > > Note: the following line must be changed in STC-FENV.c (the STC that was
> > > attached to the bug report -- the last one above).
> > >
> > > from:
> > > const int xxx =3D 0x3d; // FE_ALL_EXCEPT on Linux, i.e. the denormal-...
> > >                         // exception is excluded on Linux
> > >
> > > to:
> > > const int xxx =3D 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)
> > 
> > Shall we change that?  A patch would be nice. ;)
> 
> That is possible ...
> 
> As on Linux, the denormal-operand exception will always be masked after this
> change ... (both in the default env. and in the "nomask" env.)
> 
> Meaning that, after this change, this exception can * no longer * be enabled
> through the API of fenv.h
> 
> Objections? Anyone?

Not from me.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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