Opened 16 months ago

Last modified 3 months ago

#31599 new defect

Pynac sometimes does not handle x^0 correctly when combining terms

Reported by: gh-DaveWitteMorris Owned by:
Priority: major Milestone: sage-9.7
Component: symbolics Keywords: pynac
Cc: Merged in:
Authors: Dave Morris Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

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Description

Pynac's expairseq::combine_same_terms_sorted_seq method correctly deletes factors of x^0, but neglects to record the fact that the expression has been modified. This means that pointers are not properly updated, so wrong results can be returned.

Change History (4)

comment:1 Changed 15 months ago by mkoeppe

  • Milestone changed from sage-9.3 to sage-9.4

Moving to 9.4, as 9.3 has been released.

comment:2 Changed 12 months ago by mkoeppe

  • Milestone changed from sage-9.4 to sage-9.5

comment:3 Changed 8 months ago by mkoeppe

  • Milestone changed from sage-9.5 to sage-9.6

comment:4 Changed 3 months ago by mkoeppe

  • Milestone changed from sage-9.6 to sage-9.7
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