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[Bug fortran/35946] wrong result with array constructor as argument to ATAN2
- From: "tkoenig at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Apr 2008 18:36:41 -0000
- Subject: [Bug fortran/35946] wrong result with array constructor as argument to ATAN2
- References: <bug-35946-15620@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from tkoenig at gcc dot gnu dot org 2008-04-16 18:36 -------
Confirmed, a regression vs. 4.2.3:
$ gfortran fa.f
$ ./a.out
10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0
1 0.11066 0.09967 -0.01099
2 0.24498 0.21867 -0.02631
3 0.40489 0.35877 -0.04612
4 0.58800 0.51915 -0.06886
5 0.78540 0.69474 -0.09066
6 0.98279 0.87606 -0.10674
7 1.16590 1.05165 -0.11425
8 1.32582 1.21203 -0.11379
9 1.46014 1.35213 -0.10801
10 3.14159 1.47113 -1.67047
$ ifort fa.f
$ ./a.out
10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0
1 0.09967 0.09967 0.00000
2 0.21867 0.21867 0.00000
3 0.35877 0.35877 0.00000
4 0.51915 0.51915 0.00000
5 0.69474 0.69474 0.00000
6 0.87606 0.87606 0.00000
7 1.05165 1.05165 0.00000
8 1.21203 1.21203 0.00000
9 1.35213 1.35213 0.00000
10 1.47113 1.47113 0.00000
$ gfortran-4.2 fa.f
$ ./a.out
10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0
1 0.09967 0.09967 0.00000
2 0.21867 0.21867 0.00000
3 0.35877 0.35877 0.00000
4 0.51915 0.51915 0.00000
5 0.69474 0.69474 0.00000
6 0.87606 0.87606 0.00000
7 1.05165 1.05165 0.00000
8 1.21203 1.21203 0.00000
9 1.35213 1.35213 0.00000
10 1.47113 1.47113 0.00000
$ gfortran-4.3 fa.f
$ ./a.out
10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0
1 0.11066 0.09967 -0.01099
2 0.24498 0.00000 -0.24498
3 0.40489 0.00000 -0.40489
4 0.58800 0.00000 -0.58800
5 0.78540 0.00000 -0.78540
6 0.98279 0.87606 -0.10674
7 1.16590 1.05165 -0.11425
8 1.32582 1.21203 -0.11379
9 1.46014 1.35213 -0.10801
10 3.14159 1.47113 -1.67047
--
tkoenig at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Known to fail| |4.3.1 4.4.0
Known to work| |4.2.3
Last reconfirmed|0000-00-00 00:00:00 |2008-04-16 18:36:40
date| |
Target Milestone|--- |4.3.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35946