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Re: Net version 1.1.0: gcc 2.95.2-2 compiler bug
- To: "cygwin at sourceware dot cygnus dot com" <cygwin at sourceware dot cygnus dot com>
- Subject: Re: Net version 1.1.0: gcc 2.95.2-2 compiler bug
- From: "Ulrich Jakobus" <u dot jakobus at web dot de>
- Date: Tue, 11 Jul 2000 07:25:46 +0200
- Reply-To: "Ulrich Jakobus" <u dot jakobus at web dot de>
Hello,
concerning the following problem:
> On Mon, Jul 10, 2000 at 01:42:35PM -1000, Jim Heasley wrote:
> >In porting some astronomical data handling software from linux/unix to
> >Cygwin (the latest nework release, 1.1.0 I believe), I discovered an
> >error in how gcc 2.95.2-2 generates output of a floating or double
> >variable set to 0.0 when formatted with a %E format. I didn't get any
> >hits on this problem in the FAQ or mail lists. The following little
> >test program illustrates the problem:
>
> To investigate this problem, please check out the 'newlib' part of the
> cygwin package. That's where things like printf are implemented.
>
> cgf
Please see the earlier discussions about that problem in
this mailing list:
- cygwin-1.1.2: printf("%e") broken
http://sources.redhat.com/ml/cygwin/2000-06/msg00358.html
- Latest gcc/cygwin - bug in %e format specifier?
http://sources.redhat.com/ml/cygwin/2000-06/msg00730.html
- Re: Latest gcc/cygwin - bug in %e format specifier?
http://sources.redhat.com/ml/cygwin/2000-06/msg00745.html
The last reference has a fix in vfprintf.c:
2000-06-15 DJ Delorie <dj@cygnus.com>
* libc/stdio/vfprintf.c: pad 0.0 correctly with %e
Ulrich
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