#5015: [with patch, needs review] Horrible bug in old (and new) symbolic
calculus:
f(x)=1; f*e --> BOOM!
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Reporter: was | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-3.3
Component: calculus | Resolution:
Keywords: |
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Changes (by mhansen):
* summary: Horrible bug in old (and new) symbolic calculus: f(x)=1; f*e
--> BOOM! => [with patch, needs review]
Horrible bug in old (and new) symbolic
calculus: f(x)=1; f*e --> BOOM!
Comment:
Note that the new code doesn't get run as doing
f(x) = 1
overwrites the old x (which was created with var('x',ns=1)) with just
var('x'). The infinite recursion is due the CallableSymbolicExpression
ring assuming that all elements of SR were instances of
SymbolicExpression.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5015#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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