#10540: Spec and patches for singular affine toric varieties / algebraic schemes
----------------------------------+-----------------------------------------
Reporter: vbraun | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.1
Component: algebraic geometry | Keywords:
Work_issues: doctest failures | Upstream: N/A
Reviewer: Andrey Novoseltsev | Author: Volker Braun
Merged: | Dependencies: #9918, #10525, #10023,
#10529
----------------------------------+-----------------------------------------
Changes (by novoselt):
* work_issues: => doctest failures
Comment:
I am getting the following:
{{{
novoselt@geom:/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-main$
../../sage -t sage/schemes/generic/toric_ideal.py
sage -t "devel/sage-main/sage/schemes/generic/toric_ideal.py"
**********************************************************************
File "/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-
main/sage/schemes/generic/toric_ideal.py", line 24:
sage: IA.ker()
Expected:
Free module of degree 3 and rank 1 over Integer Ring
User basis matrix:
[ 1 -2 1]
Got:
Free module of degree 3 and rank 1 over Integer Ring
Echelon basis matrix:
[ 1 -2 1]
**********************************************************************
File "/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-
main/sage/schemes/generic/toric_ideal.py", line 39:
sage: IA.ker()
Expected:
Free module of degree 4 and rank 2 over Integer Ring
User basis matrix:
[ 1 -1 -1 1]
[ 1 -2 1 0]
Got:
Free module of degree 4 and rank 2 over Integer Ring
Echelon basis matrix:
[ 1 0 -3 2]
[ 0 1 -2 1]
**********************************************************************
File "/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-
main/sage/schemes/generic/toric_ideal.py", line 298:
sage: IA.ker()
Expected:
Free module of degree 3 and rank 1 over Integer Ring
User basis matrix:
[ 1 -2 1]
Got:
Free module of degree 3 and rank 1 over Integer Ring
Echelon basis matrix:
[ 1 -2 1]
**********************************************************************
File "/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-
main/sage/schemes/generic/toric_ideal.py", line 379:
sage: IA.ker()
Expected:
Free module of degree 3 and rank 1 over Integer Ring
User basis matrix:
[ 1 -2 1]
Got:
Free module of degree 3 and rank 1 over Integer Ring
Echelon basis matrix:
[ 1 -2 1]
**********************************************************************
File "/disk/scratch/novoselt/sage-4.7.1.alpha2/devel/sage-
main/sage/schemes/generic/toric_ideal.py", line 420:
sage: IA._ideal_quotient_by_variable(R, J0, 0)
Expected:
Ideal (z2*z3^2 - z0*z1*z4, z1*z3 - z0*z2,
z2^2*z3 - z1^2*z4, z1^3*z4 - z0*z2^3)
of Multivariate Polynomial Ring in z0, z1, z2, z3, z4 over Rational
Field
Got:
Ideal (z2*z3^2 - z0*z1*z4, z2^2*z3 - z1^2*z4, z1^2*z3*z4 -
z0*z1*z2*z4, z1^4*z4^2 - z0*z1*z2^3*z4) of Multivariate Polynomial Ring in
z0, z1, z2, z3, z4 over Rational Field
**********************************************************************
4 items had failures:
2 of 26 in __main__.example_0
1 of 6 in __main__.example_4
1 of 7 in __main__.example_7
1 of 8 in __main__.example_8
***Test Failed*** 5 failures.
For whitespace errors, see the file
/home/novoselt/.sage//tmp/.doctest_toric_ideal.py
[7.1 s]
}}}
Also, it seems that with `-long` option the long test is really long both
on my machine and on sage.math, although I didn't try any other version of
Sage but 4.7.1.alpha2. Applying Hilbert cone speed up does not seem to
help.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10540#comment:11>
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