[issue9069] test_float failure on Solaris
Stefan Krah
report at bugs.python.org
Sat Jun 26 19:26:06 CEST 2010
Stefan Krah <stefan-usenet at bytereef.org> added the comment:
Fedora 12: copysign-bug varies wildly ((GCC) 4.4.3 20100127 (Red Hat 4.4.3-4)):
[stefan at fedora-amd64 trunk]$ gcc -O0 copysign_bug.c -o copysign_bug
[stefan at fedora-amd64 trunk]$ ./copysign_bug
copysign_bug(-0) = 2
copysign_bug(0) = 3
[stefan at fedora-amd64 trunk]$ gcc -O2 copysign_bug.c -o copysign_bug
[stefan at fedora-amd64 trunk]$ ./copysign_bug
copysign_bug(-0) = 3
copysign_bug(0) = 3
[stefan at fedora-amd64 trunk]$ gcc -O3 copysign_bug.c -o copysign_bug
[stefan at fedora-amd64 trunk]$ ./copysign_bug
copysign_bug(-0) = 2
copysign_bug(0) = 3
[stefan at fedora-amd64 trunk]$ gcc -O3 -fno-inline copysign_bug.c -o copysign_bug
[stefan at fedora-amd64 trunk]$ ./copysign_bug
copysign_bug(-0) = 3
copysign_bug(0) = 3
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<http://bugs.python.org/issue9069>
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