Opened 5 years ago
Closed 5 years ago
#23620 closed defect (fixed)
gcd has wrong parent
| Reported by: | Julian Rüth | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | sage-8.1 |
| Component: | padics | Keywords: | gcd |
| Cc: | Merged in: | ||
| Authors: | Julian Rüth | Reviewers: | David Roe |
| Report Upstream: | N/A | Work issues: | |
| Branch: | ada3927 (Commits, GitHub, GitLab) | Commit: | ada3927e391c2f2945cc0a6269ac859ab85735ea |
| Dependencies: | Stopgaps: |
Status badges
Description (last modified by )
Currently, the parent of a gcd might be wrong when the gcd of polynomials is just the gcd of its contents:
sage: R.<x> = ZpFM(2)[] sage: f = 2*x + 2 sage: g = 4*x + 2 sage: f.gcd(g).parent() is R False # parent is ZpFM(2)
Change History (4)
comment:1 Changed 5 years ago by
| Description: | modified (diff) |
|---|---|
| Status: | new → needs_review |
comment:2 Changed 5 years ago by
| Branch: | → u/saraedum/gcd_has_wrong_parent |
|---|
comment:3 Changed 5 years ago by
| Commit: | → ada3927e391c2f2945cc0a6269ac859ab85735ea |
|---|---|
| Reviewers: | → David Roe |
| Status: | needs_review → positive_review |
comment:4 Changed 5 years ago by
| Branch: | u/saraedum/gcd_has_wrong_parent → ada3927e391c2f2945cc0a6269ac859ab85735ea |
|---|---|
| Resolution: | → fixed |
| Status: | positive_review → closed |
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Looks good.
New commits:
gcd(f,g) has the same parent as f and g