This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug libfortran/26423] New: Error on binary I/O for large array
- From: "dir at lanl dot gov" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Feb 2006 16:44:48 -0000
- Subject: [Bug libfortran/26423] New: Error on binary I/O for large array
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
Absoft fortran shows the correct answer - gfortran has a problems with writing
and reading a large arrays (If I set the array size to 800, it works Ok.) -
[dranta:~/tests/gfortran-D] dir% f90 -o testio7 testio7.f
[dranta:~/tests/gfortran-D] dir% testio7
1.00000000000000 -1.00000000000000
2.00000000000000 -2.00000000000000
3.00000000000000 -3.00000000000000
4.00000000000000 -4.00000000000000
5.00000000000000 -5.00000000000000
[dranta:~/tests/gfortran-D] dir% gfortran -o testio7 testio7.f
[dranta:~/tests/gfortran-D] dir% testio7
1.00000000000000 -1.00000000000000
1.00000000000000 -1.00000000000000
1.00000000000000 -1.00000000000000
1.00000000000000 -1.00000000000000
1.00000000000000 -1.00000000000000
[dranta:~/tests/gfortran-D] dir% gfortran --v
Using built-in specs.
Target: powerpc-apple-darwin8.5.0
Configured with: ../gcc/configure --prefix=/Users/dir/gfortran
--enable-languages=c,f95
Thread model: posix
gcc version 4.2.0 20060222 (experimental)
[dranta:~/tests/gfortran-D] dir% cat testio7.f
program test
implicit real*8 (a-h,o-z)
dimension a(8476)
istoh=8476
do 10 j=1,5
a(1)=j
a(istoh)=-j
write(2)a
10 continue
rewind 2
do 20 i=1,5
read(2)a
write(6,*)a(1),a(istoh)
20 continue
stop
end
--
Summary: Error on binary I/O for large array
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libfortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dir at lanl dot gov
GCC host triplet: powerpc-apple-darwin8.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26423