Opened 10 years ago
Closed 8 years ago
#470 closed bug (fixed)
memory(0); gives negative output
Reported by: | steenpass | Owned by: | somebody |
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Priority: | minor | Milestone: | 3-2-0 and higher |
Component: | dontKnow | Version: | 3-1-6 |
Keywords: | Cc: |
Description
// let's create some big ideal first: > ring r = 0,x(1..360),dp; > matrix m[3][120] = x(1..360); > memory(0); memory(1); memory(2); 539168 2371584 2371584 > ideal I = minor(m, 3); // now I is approx. 1.3 GB in size > memory(0); memory(1); memory(2); 1366682080 1391048440 2768919872 // duplicate I > ideal J = I, I, I, I, I; // J should be about 6.5 GB big > memory(0); memory(1); memory(2); -392885488 8311386608 8311386608 >
Change History (5)
comment:1 Changed 10 years ago by
Resolution: | → fixed |
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Status: | new → closed |
comment:2 Changed 10 years ago by
Resolution: | fixed |
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Status: | closed → reopened |
Sorry, but now it's actually worse than before:
steenpas@wawa:~$ Singular-n -v Singular for x86_64-Linux version 3-1-6 (3160) Jan 7 2013 06:11:56 [...] > ring r = 0,x(1..360),dp; > matrix m[3][120] = x(1..360); > memory(0); memory(1); memory(2); 541616 2363392 2363392 > ideal I = minor(m, 3); > memory(0); memory(1); memory(2); 1366683448 1391047360 -1526048504 > ideal J = I, I, I, I, I; > memory(0); memory(1); memory(2); -392882920 -278547864 -278547864 >
comment:3 Changed 10 years ago by
Resolution: | → fixed |
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Status: | reopened → closed |
fixed with rev 15572
comment:4 Changed 8 years ago by
Resolution: | fixed |
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Status: | closed → reopened |
The problem still persists in Singular 4.0.1. Executing the same code as above in a recent development version, I get:
> memory(0); memory(1); memory(2); -406455760 -292090304 -289843576 >
comment:5 Changed 8 years ago by
Resolution: | → fixed |
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Status: | reopened → closed |
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fixed.