#10132: Parametrization of (metric) surfaces in 3D euclidean space
-------------------------------------------------+-------------------------
Reporter: mikarm | Owner: mikarm
Type: enhancement | Status:
Priority: major | needs_work
Component: geometry | Milestone: sage-5.13
Keywords: differential geometry, | Resolution:
parametrized surface | Merged in:
Authors: Mikhail Malakhaltsev, Joris | Reviewers: Vincent
Vankerschaver | Delecroix
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #11549, #12737 | Stopgaps:
-------------------------------------------------+-------------------------
Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
There is a problem with plotting on powerpc64 (skynet system `silius`):
{{{
sage -t --long
devel/sage/sage/geometry/riemannian_manifolds/surface3d_generators.py
**********************************************************************
File
"devel/sage/sage/geometry/riemannian_manifolds/surface3d_generators.py",
line 123, in
sage.geometry.riemannian_manifolds.surface3d_generators.SurfaceGenerators.Dini
Failed example:
dini.plot()
Expected nothing
Got:
sh: line 1: 46907 Segmentation fault tachyon
/home/buildbot/.sage/temp/silius/46889/tmp_JMygGS.dat -format PNG -o
/home/buildbot/.sage/temp/silius/46889/tmp.png -res 10 10 > /dev/null
**********************************************************************
1 item had failures:
1 of 3 in
sage.geometry.riemannian_manifolds.surface3d_generators.SurfaceGenerators.Dini
[30 tests, 1 failure, 2.77 s]
sage -t --long devel/sage/sage/rings/finite_rings/hom_finite_field.pyx
[143 tests, 1.19 s]
sage -t --long devel/sage/sage/tests/french_book/float_doctest.py
[74 tests, 1.70 s]
sage -t --long devel/sage/sage/databases/oeis.py
[110 tests, 2.81 s]
sage -t --long
devel/sage/sage/geometry/riemannian_manifolds/parametrized_surface3d.py
**********************************************************************
File
"devel/sage/sage/geometry/riemannian_manifolds/parametrized_surface3d.py",
line 121, in
sage.geometry.riemannian_manifolds.parametrized_surface3d.ParametrizedSurface3D
Failed example:
dini.plot(aspect_ratio='automatic')
Expected nothing
Got:
sh: line 1: 46954 Segmentation fault tachyon
/home/buildbot/.sage/temp/silius/46888/tmp_gl9WUA.dat -format PNG -o
/home/buildbot/.sage/temp/silius/46888/tmp.png -res 10 10 > /dev/null
**********************************************************************
}}}
I also ask you to rebase the patch to a more recent version of Sage, as
there is some fuzz when applying the patch.
--
Ticket URL: <http://trac.sagemath.org/ticket/10132#comment:78>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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