digitalmars.D.bugs - D2 phobos BigInt bug
- ZHOU Zhenyu (27/27) Feb 05 2009 BigInt b = "100000";
- dsimcha (3/30) Feb 05 2009 Yep, I can reproduce that on Windows on an Athlon 64 X2. You're _not_ j...
- Don (7/38) Feb 06 2009 I don't think that will ever get fixed (unless you make a patch
- Simen Kjaeraas (4/10) Feb 06 2009 Should still be bugzilla'd, so people know it's broken atm, and get noti...
- Andrei Alexandrescu (6/46) Feb 06 2009 I'd fix it but I know your BigInt is bound to work much better overall.
BigInt b = "100000";
foreach( i; 1..20 ){
b*=10;
writeln(b*b);
}
system: Windows
CPU: Intel Core2 Duo T7250 2.00GHz
result:
1000000000000
100000000000000
10000000000000000
1000000000000000000
100000000000000000000
10000000000000000000000
999981553255926290448384
100000000000000000000000000
10000000000000000000000000000
1000000000000000000000000000000
100000000000000000000000000000000
10000000000000000000000000000000000
1000000000000000000000000000000000000
100000000000000000000000000000000000000
10000000000000000000000000000000000000000
999999999999999999999981553255926290448384
100000000000000000000000000000000000000000000
9999999999999999999999999981553255926290448384
1000000000000000000000000000000000000000000000000
Feb 05 2009
== Quote from ZHOU Zhenyu (rinick goozo.net)'s article
BigInt b = "100000";
foreach( i; 1..20 ){
b*=10;
writeln(b*b);
}
system: Windows
CPU: Intel Core2 Duo T7250 2.00GHz
result:
1000000000000
100000000000000
10000000000000000
1000000000000000000
100000000000000000000
10000000000000000000000
999981553255926290448384
100000000000000000000000000
10000000000000000000000000000
1000000000000000000000000000000
100000000000000000000000000000000
10000000000000000000000000000000000
1000000000000000000000000000000000000
100000000000000000000000000000000000000
10000000000000000000000000000000000000000
999999999999999999999981553255926290448384
100000000000000000000000000000000000000000000
9999999999999999999999999981553255926290448384
1000000000000000000000000000000000000000000000000
Yep, I can reproduce that on Windows on an Athlon 64 X2. You're _not_ just
going
crazy. Please file a Bugzila.
Feb 05 2009
dsimcha wrote:== Quote from ZHOU Zhenyu (rinick goozo.net)'s articleI don't think that will ever get fixed (unless you make a patch yourself). Phobos BigInt was created by Janice, and she seems to have completely disappeared. I'm working on Tango BigInt, which is completely independent, and will replace Phobos BigInt eventually. ( == as soon as we get a common namespace to put it into). I don't think anyone is interested in debugging Phobos BigInt.BigInt b = "100000"; foreach( i; 1..20 ){ b*=10; writeln(b*b); } system: Windows CPU: Intel Core2 Duo T7250 2.00GHz result: 1000000000000 100000000000000 10000000000000000 1000000000000000000 100000000000000000000 10000000000000000000000 999981553255926290448384 100000000000000000000000000 10000000000000000000000000000 1000000000000000000000000000000 100000000000000000000000000000000 10000000000000000000000000000000000 1000000000000000000000000000000000000 100000000000000000000000000000000000000 10000000000000000000000000000000000000000 999999999999999999999981553255926290448384 100000000000000000000000000000000000000000000 9999999999999999999999999981553255926290448384 1000000000000000000000000000000000000000000000000Yep, I can reproduce that on Windows on an Athlon 64 X2. You're _not_ just going crazy. Please file a Bugzila.
Feb 06 2009
"Simen Kjaeraas" <simen.kjaras gmail.com> Don wrote:I don't think that will ever get fixed (unless you make a patch yourself). Phobos BigInt was created by Janice, and she seems to have completely disappeared. I'm working on Tango BigInt, which is completely independent, and will replace Phobos BigInt eventually. ( == as soon as we get a common namespace to put it into). I don't think anyone is interested in debugging Phobos BigInt.Should still be bugzilla'd, so people know it's broken atm, and get notified when it's working. -- Simen
Feb 06 2009
Don wrote:dsimcha wrote:I'd fix it but I know your BigInt is bound to work much better overall. Speaking of the common namespace name, it seems that problem won't go away soon. I kindly ask you to not make the inclusion of BigInt in Phobos hinge on that. Andrei== Quote from ZHOU Zhenyu (rinick goozo.net)'s articleI don't think that will ever get fixed (unless you make a patch yourself). Phobos BigInt was created by Janice, and she seems to have completely disappeared. I'm working on Tango BigInt, which is completely independent, and will replace Phobos BigInt eventually. ( == as soon as we get a common namespace to put it into). I don't think anyone is interested in debugging Phobos BigInt.BigInt b = "100000"; foreach( i; 1..20 ){ b*=10; writeln(b*b); } system: Windows CPU: Intel Core2 Duo T7250 2.00GHz result: 1000000000000 100000000000000 10000000000000000 1000000000000000000 100000000000000000000 10000000000000000000000 999981553255926290448384 100000000000000000000000000 10000000000000000000000000000 1000000000000000000000000000000 100000000000000000000000000000000 10000000000000000000000000000000000 1000000000000000000000000000000000000 100000000000000000000000000000000000000 10000000000000000000000000000000000000000 999999999999999999999981553255926290448384 100000000000000000000000000000000000000000000 9999999999999999999999999981553255926290448384 1000000000000000000000000000000000000000000000000Yep, I can reproduce that on Windows on an Athlon 64 X2. You're _not_ just going crazy. Please file a Bugzila.
Feb 06 2009