I can reproduce in Sage 10.4, and I found some additional weird behaviour.
Doing p // p a second time gives 0.
Doing p / p causes a segmentation fault and crashes Sage.
Vincent Macri (He/Him)
On 2024-11-05 7:50 a.m., 'Martin R' via sage-devel wrote:
[â–³EXTERNAL]
I just stumbled over
```
sage: Q.<z> = Frac(QQ['z'])
sage: R.<x,y> = Q[]
sage: r = x*y - (2*z-1)/(z^2+z+1) * x + y/z
sage: p = r * (x + z*y - 1/z^2)
sage: p // p
0*x^2*y + (0*z)*x*y^2
```
in current develop.
Does somebody have an old version of sage, so we can see whether this
is a regression?
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