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Date: | Tue, 14 Aug 2018 11:50:03 +0200 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.11.0-0.1 |
Message-ID: | <20180814095003.GS3747@calimero.vinschen.de> |
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References: | <announce DOT 20180809202604 DOT GN4180 AT calimero DOT vinschen DOT de> <cc1d684fabcfe5e581ec82aae1617471 AT smtp-cloud8 DOT xs4all DOT net> <20180810114254 DOT GA25560 AT calimero DOT vinschen DOT de> <57b3092a9b5027be5f14e59c305200bc AT smtp-cloud8 DOT xs4all DOT net> <71f1280d04f70e8b74cfce78ba5690d3 AT xs4all DOT nl> |
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--o41d8xLWOaLD8vYh Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Aug 13 23:29, Houder wrote: > On 2018-08-10 14:43, Houder wrote: > > On Fri, 10 Aug 2018 13:42:54, Corinna Vinschen wrote: > > [snip] > >=20 > > > > Note: the following line must be changed in STC-FENV.c (the STC tha= t was > > > > attached to the bug report -- the last one above). > > > > > > > > from: > > > > const int xxx =3D3D 0x3d; // FE_ALL_EXCEPT on Linux, i.e. the denor= mal-... > > > > // exception is excluded on Linux > > > > > > > > to: > > > > const int xxx =3D3D 0x3f; // Cygwin allows the denormal-operand exc= eption; > > > > // Linux (Andreas Jaeger) does not. > > > > // This exception is not defined by the IEE= E 754 > > > > // standard (Floating-Point Arithmetic) > > >=20 > > > Shall we change that? A patch would be nice. ;) > >=20 > > That is possible ... > >=20 > > As on Linux, the denormal-operand exception will always be masked after > > this > > change ... (both in the default env. and in the "nomask" env.) > >=20 > > Meaning that, after this change, this exception can * no longer * be > > enabled > > through the API of fenv.h > >=20 > > Objections? Anyone? > >=20 > > The modication would require changing: > >=20 > > winsup/cygwin/fenv.cc (_feinitialise() ) > > winsup/cygwin/include/fenv.h (FE_ALL_EXCEPT) >=20 > GRRR! The file encoding of fenv.h is "cp1252" because of 2 characters in > this > line: >=20 > Intel=C2=AE 64 and IA-32 Architectures Software Developer=E2=80=99s = Manuals: >=20 > ... part of a comment at the beginning of the file. Don't worry about it. I converted the file to ASCII-only and pushed the change. ASCII-only is the least common denominator and is preferred for sources anyway. Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --o41d8xLWOaLD8vYh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEoVYPmneWZnwT6kwF9TYGna5ET6AFAltypcsACgkQ9TYGna5E T6C5kQ//cmggR6J1OODs50BkviSOBoIsfTE5xSJo4dZ+ETaq4zJbS2ZPQ+fDI4oZ KrRUZ8evrWuAa/oJbchi7ftuKS3JfdWYM3AkhS/NqAXIKc+RfzgRstRu8sSFDtuR 4iyFvMIvS5oTsz72qyY4rpRA+xkjFjRgeUGm/TfLkw1nM0DtrrqwUd9uqH/zdhyd 7RYg4zVV2sdOSxT5l3lx8pi812hJyPdK3bhSP0oO7tZkKxpaZd64ibWJ9QYR2g6F Ql0NCN7UjnFZ090fugWHMsTk+AvSlsCj0msHYlMEd7020yAxs/nQje0IUZpNIFPR KLA75k8qCAAWfA8Mu6m94LKqXz0AmRD8CS0Y/wXqz2wbRw5vyI3+ocBCKkOAWVCo CXsLjWEcJApiczODuGz1IVehXSiMqK/saGd18SFlgPpV46HFHo40ry5wqsYcFMJH LoxTYQ5JUeVILJ+ag+Xd4ocF4EgFsRXY4xxLaTcSWOhmwtjkZyGj6f+bBJlqmqi0 Cl5R926j3jgtqG4AV/c5WLlrs5LOwE7uvyQDJY/wNGVqZ+Sdoh3Z2aDDfwYyvaD1 SElQj9EBragoXW67ZiwVQ/9a8qOowOoU6XcCWevFtZKC335t181lWWpIpZrVhBah ysifFQUJZdDDB/zhP8f1aIgmHpyZ6AERDltdwXhU++MNBK8EWhQ= =f43/ -----END PGP SIGNATURE----- --o41d8xLWOaLD8vYh--
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