Opened 4 years ago
Closed 3 years ago
#22566 closed defect (fixed)
SymPy's ceiling() is not translated to Sage
Reported by: | pelegm | Owned by: | |
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Priority: | major | Milestone: | sage-8.1 |
Component: | calculus | Keywords: | ceil, integrate, sympy |
Cc: | Merged in: | ||
Authors: | Ralf Stephan | Reviewers: | Marcelo Forets |
Report Upstream: | N/A | Work issues: | |
Branch: | 319c8b9 (Commits, GitHub, GitLab) | Commit: | 319c8b9f09511efbe75c851a85c8221dd58c1c5b |
Dependencies: | #23923 | Stopgaps: |
Description (last modified by )
sage: ceil(x) ceil(x) sage: _._sympy_() ceiling(x) sage: _._sage_() --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-9-7149a2430cab> in <module>() ----> 1 _._sage_() /home/ralf/sage/local/lib/python2.7/site-packages/sympy/core/function.py in _sage_(self) 705 import sage.all as sage 706 fname = self.func.__name__ --> 707 func = getattr(sage, fname) 708 args = [arg._sage_() for arg in self.args] 709 return func(*args) AttributeError: 'module' object has no attribute 'ceiling' sage:
Previous description was:
sage: integrate(ceil(x), x, 0, infinity, algorithm='sympy')
leads to
Traceback (most recent call last): File "<ipython-input-3-257ec54e6dd3>", line 1, in <module> integrate(ceil(x), x, Integer(0), infinity, algorithm='sympy') File "/home/peleg/sage/local/lib/python2.7/site-packages/sage/misc/functional.py", line 664, in integral return x.integral(*args, **kwds) File "sage/symbolic/expression.pyx", line 11766, in sage.symbolic.expression.Expression.integral (build/cythonized/sage/symbolic/expression.cpp:65026) return integral(self, *args, **kwds) File "/home/peleg/sage/local/lib/python2.7/site-packages/sage/symbolic/integration/integral.py", line 773, in integrate return integrator(expression, v, a, b) File "/home/peleg/sage/local/lib/python2.7/site-packages/sage/symbolic/integration/external.py", line 42, in sympy_integrator return result._sage_() File "/home/peleg/sage/local/lib/python2.7/site-packages/sympy/integrals/integrals.py", line 1100, in _sage_ f, limits = self.function._sage_(), list(self.limits) File "/home/peleg/sage/local/lib/python2.7/site-packages/sympy/core/function.py", line 707, in _sage_ func = getattr(sage, fname) AttributeError: 'module' object has no attribute 'ceiling'
Change History (7)
comment:1 Changed 4 years ago by
- Description modified (diff)
- Report Upstream changed from N/A to Not yet reported upstream; Will do shortly.
- Summary changed from Integrate ceil(x) via sympy raises an AttributeError to SymPy's ceiling() is not translated to Sage
comment:2 Changed 4 years ago by
- Branch set to u/rws/22566
comment:3 Changed 4 years ago by
- Commit set to 2afa0ee105e99e3b7c8185c8d7b4721a9b4d7c86
- Dependencies set to #23923
- Milestone changed from sage-7.6 to sage-8.1
- Report Upstream changed from Not yet reported upstream; Will do shortly. to N/A
- Status changed from new to needs_review
Last 10 new commits:
07f4744 | 23990: handle unequality
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0ed659f | 23990: do not evaluate
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5f023ea | 23990: convert relations from SymPy to Sage, with test
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0f596bb | 23990: fix patch
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479e206 | 23990: sympy patchlevel bump
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3e362ee | 24006: SymPy --> Sage conversion completely inside Sage
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8dd5f88 | 24006: add missing file, fixes
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a68d57f | 23923: Interface cases function with SymPy's piecewise
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b80d98c | 23923: fix typo
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2afa0ee | 22566: interface SymPy's ceiling()
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comment:4 Changed 4 years ago by
- Commit changed from 2afa0ee105e99e3b7c8185c8d7b4721a9b4d7c86 to 9494f6cc69630d3af9567c1179e56a0a62af736d
Branch pushed to git repo; I updated commit sha1. New commits:
9494f6c | 22566: add test
|
comment:5 Changed 4 years ago by
- Commit changed from 9494f6cc69630d3af9567c1179e56a0a62af736d to 319c8b9f09511efbe75c851a85c8221dd58c1c5b
comment:6 Changed 3 years ago by
- Reviewers set to Marcelo Forets
- Status changed from needs_review to positive_review
LGTM.
comment:7 Changed 3 years ago by
- Branch changed from u/rws/22566 to 319c8b9f09511efbe75c851a85c8221dd58c1c5b
- Resolution set to fixed
- Status changed from positive_review to closed
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This has to be fixed in SymPy. This ticket should monitor progress and commit a doctest.