Opened 9 years ago

Closed 9 years ago

Last modified 9 years ago

#598 closed bug (fixed)

segmentation fault calling sres in trivial quotient rings

Reported by: ren Owned by: somebody
Priority: minor Milestone: 3-2-0 and higher
Component: dontKnow Version: 4-0-0
Keywords: Cc:

Description (last modified by ren)

                     SINGULAR                                 /  Development
 A Computer Algebra System for Polynomial Computations       /   version 4.0.0
 by: W. Decker, G.-M. Greuel, G. Pfister, H. Schoenemann     \   Dec 2013
FB Mathematik der Universitaet, D-67653 Kaiserslautern        \

ring R = (0,x(0)),Y(1..4),dp;
qring RR = std(0);
ideal inI = (x(0))*Y(1),(x(0))*Y(4),Y(1)*Y(2),Y(2)*Y(3),Y(3)*Y(4);

// ** full resolution in a qring may be infinite, setting max length to 4
Singular : signal 11 (v: 4001):
current line:>>sres(inI,0);<<
Segment fault/Bus error occurred at 8348e35 because of c (r:1396875628)
please inform the authors
trying to restart...

This problem arose in the construction of the associated graded ring with respect to an ideal, when the generating system of that ideal only had trivial syzygies.

Change History (3)

comment:1 Changed 9 years ago by ren

Description: modified (diff)

comment:2 Changed 9 years ago by hannes

Resolution: fixed
Status: newclosed

cannot reproduce it with the current version from github

comment:3 Changed 9 years ago by ren

Hm, you're right. Nevermind, sorry. :-/

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