#19918: substitute exp(-x) with x infinity fails
--------------------------+----------------------------
Reporter: vdelecroix | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.1
Component: symbolics | Keywords: bug
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
sage: exp(-Infinity)
0
}}}
is fine, but
{{{
sage: exp(-x).subs(x=Infinity)
Traceback (most recent call last):
...
RuntimeError: exp_eval(): exp^(unsigned_infinity) encountered
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/19918>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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