#15636: slow ascii_art after sympy update
-------------------------------------+-------------------------------------
Reporter: vbraun | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.2
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw, | Reviewers:
Marc Mezzarobba | Work issues:
Report Upstream: N/A | Commit:
Branch: public/sympy- | 9c8dd3dfc62a3eaad18a5d9df041d49ca68aada1
ascii_art-15636 | Stopgaps:
Dependencies: |
-------------------------------------+-------------------------------------
Changes (by {'newvalue': u'Travis Scrimshaw, Marc Mezzarobba', 'oldvalue': ''}):
* status: new => needs_review
* author: => Travis Scrimshaw, Marc Mezzarobba
Comment:
Converting sage integrals to sympy unevaluated `Integral`s instead of
`integral` commands solves the problem and does not seem to break
anything.
It works even without passing `evaluate=False` to `sympify()`, but doing
it does not hurt. In fact, as far as I understand, we want conversions to
sympy to do as little evaluation as possible in general. So I also rebased
Travis' patch on top of `u/jpflori/ticket/15198` (to prevent a trivial
merge conflict), and made `SympyConverter` use `evaluate=False` as well.
----
New commits:
||[http://git.sagemath.org/sage.git/commit/?id=9bcfc042078b3a35767b2fc69dbd59db4b3063a1
9bcfc04]||{{{Update pynac to 0.3.1.}}}||
||[http://git.sagemath.org/sage.git/commit/?id=256a41d419de94db52e22a2f0177d115a30c884f
256a41d]||{{{Made sympify() in _ascii_art_ have evaluate=False.}}}||
||[http://git.sagemath.org/sage.git/commit/?id=f30ef1a6da8e794be86fc6c920c3d2215b71143a
f30ef1a]||{{{Use evaluate=False in SympyConverter too}}}||
||[http://git.sagemath.org/sage.git/commit/?id=9c8dd3dfc62a3eaad18a5d9df041d49ca68aada1
9c8dd3d]||{{{Create *unevaluated* integrals when converting sage integrals
to sympy}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/15636#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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