Opened 9 years ago
Closed 4 years ago
#8949 closed defect (duplicate)
symbolic functions dont work with numpy.int32
Reported by: | whuss | Owned by: | burcin |
---|---|---|---|
Priority: | major | Milestone: | sage-duplicate/invalid/wontfix |
Component: | symbolics | Keywords: | |
Cc: | jason | Merged in: | |
Authors: | Reviewers: | Jeroen Demeyer | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
sage: import numpy sage: a = numpy.array([1,2]) sage: type(a[0]) <type 'numpy.int32'> sage: f(x) = x^2 sage: f(a[0]) --------------------------------------------------------------------------- TypeError Traceback (most recent call last) ./sage-4.4.2/<ipython console> in <module>() ./sage-4.4.2/local/lib/python2.6/site-packages/sage/symbolic/expression.so in sage.symbolic.expression.Expression.__call__ (sage/symbolic/expression.cpp:15476)() ./sage-4.4.2/local/lib/python2.6/site-packages/sage/symbolic/callable.pyc in _call_element_(self, _the_element, *args, **kwds) 454 d = dict(zip(map(repr, self.arguments()), args)) 455 d.update(kwds) --> 456 return SR(_the_element.substitute(**d)) 457 458 ./sage-4.4.2/local/lib/python2.6/site-packages/sage/symbolic/expression.so in sage.symbolic.expression.Expression.substitute (sage/symbolic/expression.cpp:14850)() ./sage-4.4.2/local/lib/python2.6/site-packages/sage/symbolic/expression.so in sage.symbolic.expression.Expression.coerce_in (sage/symbolic/expression.cpp:10193)() ./sage-4.4.2/local/lib/python2.6/site-packages/sage/structure/parent_old.so in sage.structure.parent_old.Parent._coerce_ (sage/structure/parent_old.c:3288)() ./sage-4.4.2/local/lib/python2.6/site-packages/sage/structure/parent.so in sage.structure.parent.Parent.coerce (sage/structure/parent.c:6970)() TypeError: no canonical coercion from <type 'numpy.int32'> to Callable function ring with arguments (x,)
Change History (10)
comment:1 Changed 9 years ago by
- Cc jason added
comment:2 Changed 9 years ago by
comment:3 Changed 9 years ago by
comment:4 Changed 6 years ago by
- Milestone changed from sage-5.11 to sage-5.12
comment:5 Changed 5 years ago by
- Milestone changed from sage-6.1 to sage-6.2
comment:6 Changed 5 years ago by
- Milestone changed from sage-6.2 to sage-6.3
comment:7 Changed 5 years ago by
- Milestone changed from sage-6.3 to sage-6.4
comment:8 Changed 4 years ago by
- Milestone changed from sage-6.4 to sage-duplicate/invalid/wontfix
- Status changed from new to needs_review
Hello,
I propose to close this as duplicates because of #18076. With the branch applied
sage: import numpy sage: cos(numpy.float('12')) 0.8438539587324921
Though it is not perfect since the result is a Python float and not a numpy float.
Vincent
comment:9 Changed 4 years ago by
- Reviewers set to Jeroen Demeyer
- Status changed from needs_review to positive_review
comment:10 Changed 4 years ago by
- Resolution set to duplicate
- Status changed from positive_review to closed
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I think #8824 may have the solution for this.