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Bug #447

CoCoA-5.0.3 Microsoft std::bad_alloc

Added by John Abbott about 10 years ago. Updated almost 10 years ago.

Status:
Closed
Priority:
Urgent
Assignee:
Anna Maria Bigatti
Category:
Portability
Target version:
CoCoA-5.1.0 Easter14
Start date:
20 Feb 2014
Due date:
% Done:

100%

Estimated time:
2.00 h
Spent time:
1.50 h

Description

The following input produces a std::bad_alloc exception on Microsoft Windows 7 Ultimate (Service Pack 1) 2009

Use R::=QQ[x,y,z,t];
I := ideal(zero(R));
Lista := [x,y];
elim(Lista,I);

Reported by Elisa Businelli

History

#1 Updated by John Abbott about 10 years ago

On my portable it gave no problem: just returned the result ideal().

With full debugging I get a failed assertion:

==== CoCoA Assertion failed: [[len(myPairs)!=0]]
==== File: TmpGReductor.C
==== Line: 985

#2 Updated by Anna Maria Bigatti about 10 years ago

  • Target version set to CoCoA-5.1.0 Easter14

#3 Updated by John Abbott about 10 years ago

  • Status changed from New to In Progress
  • Assignee set to Anna Maria Bigatti
  • % Done changed from 0 to 20

#4 Updated by John Abbott almost 10 years ago

(20140516) I get the same problem in my 32-bit Linux VM.
Investigating.

#5 Updated by John Abbott almost 10 years ago

  • Status changed from In Progress to Closed
  • % Done changed from 20 to 50
  • Estimated time set to 2.00 h

Anna says she has fixed it; exbugs.cocoa5 now passes on Linux.

#6 Updated by John Abbott almost 10 years ago

  • % Done changed from 50 to 100

#7 Updated by John Abbott almost 10 years ago

Elisa Businelli has kindly lent us her computer so that we could confirm that the problem has been resolved on her machine too.

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