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From: "Thomas dot Koenig at online dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libfortran/19032] New: modulo generates wrong result
Date: Thu, 16 Dec 2004 11:28:00 -0000 [thread overview]
Message-ID: <20041216112828.19032.Thomas.Koenig@online.de> (raw)
$ cat mod-neg.f90
integer :: a,b
a = 2
b = -1
print *,modulo(2,-1)
print *,modulo(a,b)
end
$ gfortran mod-neg.f90 && ./a.out
0
-1
$ gfortran -v
Reading specs from /home/zfkts/lib/gcc/ia64-unknown-linux-gnu/4.0.0/specs
Configured with: ../gcc-4.0-20041212/configure --prefix=/home/zfkts
--enable-languages=c,c++,f95 : (reconfigured) ../gcc-4.0-20041212/configure
--prefix=/home/zfkts --enable-languages=c,c++,f95 --disable-shared
Thread model: posix
gcc version 4.0.0 20041212 (experimental)
It's a bit strange that the first result is correct, and the
second one isn't.
--
Summary: modulo generates wrong result
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libfortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: Thomas dot Koenig at online dot de
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19032
next reply other threads:[~2004-12-16 11:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-16 11:28 Thomas dot Koenig at online dot de [this message]
2004-12-16 11:29 ` [Bug libfortran/19032] " Thomas dot Koenig at online dot de
2004-12-16 14:30 ` tobi at gcc dot gnu dot org
2004-12-16 14:41 ` [Bug libfortran/19032] modulo generates wrong result for divisor -1 tobi at gcc dot gnu dot org
2004-12-16 14:42 ` tobi at gcc dot gnu dot org
2004-12-16 22:40 ` Thomas dot Koenig at online dot de
2004-12-17 1:18 ` tobi at gcc dot gnu dot org
2004-12-17 14:29 ` [Bug libfortran/19032] modulo generates wrong result for divisor 1 and -1 Thomas dot Koenig at online dot de
2004-12-20 19:08 ` tobi at gcc dot gnu dot org
2004-12-20 19:56 ` tobi at gcc dot gnu dot org
2004-12-27 17:13 ` cvs-commit at gcc dot gnu dot org
2004-12-27 17:14 ` tobi at gcc dot gnu dot org
2004-12-27 17:16 ` pinskia at gcc dot gnu dot org
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