Opened 7 years ago

Closed 7 years ago

#765 closed bug (not a bug)

factorize in splitted ring gives segment fault

Reported by: pankajsejwal@… Owned by: somebody
Priority: dontKnow Milestone: 4-1-0 and higher
Component: dontKnow Version: 4-0-3
Keywords: Cc:

Description

ring r = 0,x,dp; LIB "primitiv.lib"; def r1 = splitring (x3-3); setring r1; def r2 = splitring (x4-3x2+1);

new minimal polynomial: a12-9a10-324a9+30a8+39321a6-486a5+177177a4-2127222a3+373968a2-9562536a+42928624

setring r2; factorize(x2+x-1);

Singular : signal 11 (v: 4020): current line:>>factorize(x2+x-1);<< Segment fault/Bus error occurred (r:1464242325) please inform the authors trying to restart...

Change History (1)

comment:1 Changed 7 years ago by hannes

Resolution: → not a bug
Status: new → closed

splitring requires the argument to be irreducible (in the current ring). this is not the case in 

def r2 = splitring (x4-3x2+1);

Added a test for that in splitring. (see 800c70b73cdf0ecebcfb4f402a120ab42d1c7abd)

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