Mail Archives: cygwin/2002/04/02/07:59:12
Hi Dr. Sonnenschein and the Cygwin newsgroup,
I have had the same problem using cygwin and gcc, I
believe I am using the latest version of gcc. I
thought I was doing something wrong in my program, but
I took the same program into Linux, Visual C++ and
HPUX 10.20 and they ran exactly the way they are
supposed to run with the correct results. My program
was using input from the user instead of from a file,
but my results were exactly the same as the output
from your sample program. I finally gave up on Cygwin
and gcc and write my programs on a couple of old HP-UX
10.20 workstations with the latest gcc and have no
problems.
I like Cygwin and will continue to support it and
would like to continue playing with it and writing
programs under Cygwin. I do not want to blame gcc or
Cygwin because I like them, but I want to know what is
causing this behavior as well and is there a
workaround.
Thank you and have a nice day!
James E. Merritt
--- "Sonnenschein, Roland Dr." <sonne AT csd DOT de> wrote:
> scanf() does not always work the way I think it
> should.
>
> Sample program:
>
> #include <stdio.h>
>
> int main()
> {
> double dstat, ddyn;
> dstat=2.;
> scanf("%lf", &ddyn);
> printf("%lf %lf\n", dstat, ddyn);
> return 0;
> }
>
> usage:
> hugo <hugo.in >hugo.out
>
> Sample input file hugo.in:
> 20.1
>
> Output file hugo.out:
> 2.000000 201.000000
>
> compilation:
> make hugo
>
> gcc -v yields:
> Reading specs from
> /usr/lib/gcc-lib/i686-pc-cygwin/2.95.3-4/specs
> gcc version 2.95.3-4 (cygwin special)
>
>
> Dr. Roland Sonnenschein
> Abt. BV1TEF
> Brüel & Kjaer Vibro GmbH
> Landwehrstraße 55
> D-64293 Darmstadt
> Tel.: +49(0)61 51 - 32 18 99
> Fax: +49(0)61 51 - 32 18 69
> Email: sonne AT csd DOT de
>
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