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Qi = toField( QQ[i]/(i^2+1) )
R = Qi[u,v]
(u + v) / i
output:
-- SIGSEGV
-* stack trace, pid: 12251
0# 0x000000000064E665 in /usr/bin/M2-binary
1# 0x000000000064E8D3 in /usr/bin/M2-binary
2# 0x00007FC88D820760 in /lib64/libc.so.6
3# 0x00000000009224AF in /usr/bin/M2-binary
...
38# 0x00007FC88E41D9A8 in /lib64/libgc.so.1
39# GC_call_with_stack_base in /lib64/libgc.so.1
40# 0x00007FC88D86BB17 in /lib64/libc.so.6
41# clone in /lib64/libc.so.6
-- end stack trace *-
Without the toField(), all is OK.
I am using:
Macaulay2Web
Macaulay2, version 1.22.0.1
The text was updated successfully, but these errors were encountered:
Yes this is the same issue that was reported before in the mailing list. It's my fault, I inadvertently let a PR slip into the web version which has not been tested thoroughly yet, namely, fraction fields of iterated polynomial rings.
In normal M2 you'd just get the error message error: not implemented yet: fraction fields of polynomial rings over rings other than ZZ, QQ, or a finite field. The way to avoid this is to not ask M2 to use the fraction field:
input:
output:
Without the
toField()
, all is OK.I am using:
Macaulay2Web
Macaulay2, version 1.22.0.1
The text was updated successfully, but these errors were encountered: