Opened 8 years ago
Closed 6 years ago
#12377 closed defect (fixed)
Stack overflow in definite integral
Reported by: | mjo | Owned by: | burcin |
---|---|---|---|
Priority: | major | Milestone: | sage-5.11 |
Component: | calculus | Keywords: | |
Cc: | Merged in: | sage-5.11.rc0 | |
Authors: | Michael Orlitzky | Reviewers: | Volker Braun |
Report Upstream: | Fixed upstream, in a later stable release. | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description (last modified by )
This was reported by William in #11591. It still occurs with maxima-5.26:
sage: y=(x^2)*exp(x)/(1+exp(x))^2 sage: integrate(y,(x,-1000,1000)) ... ;;; ;;; Stack overflow. ;;; Jumping to the outermost toplevel prompt ;;; ... /home/mjo/src/sage-5.0.beta1/spkg/bin/sage: line 304: 863 Segmentation fault sage-ipython "$@" -i
Attachments (1)
Change History (8)
comment:1 Changed 7 years ago by
- Description modified (diff)
comment:2 Changed 7 years ago by
comment:3 Changed 7 years ago by
More news on Maxima bugtracker
(I'm not setting this to "Reported Upstream - little or no feedback" because, while technically correct, I think it's offensive to the Maxima devs, who are generally very diligent and helpful. They haven't had time to give feedback yet)
comment:4 Changed 6 years ago by
- Report Upstream changed from N/A to Fixed upstream, in a later stable release.
For some reason this works now.
sage: integrate(y,(x,-1000,1000)) -2*((1000*log(e^1000 + 1) - polylog(2, -e^(-1000)) - 1000000)*e^1000 + 1000*log(e^1000 + 1) - polylog(2, -e^(-1000)) - 500000)/(e^1000 + 1) - 2*(1000*(e^1000 + 1)*log(e^1000 + 1) + (e^1000 + 1)*polylog(2, -e^1000) - 500000*e^1000)/(e^1000 + 1)
The Maxima overflows also seem to work now.
comment:5 Changed 6 years ago by
- Status changed from new to needs_review
comment:6 Changed 6 years ago by
- Reviewers set to Volker Braun
- Status changed from needs_review to positive_review
comment:7 Changed 6 years ago by
- Merged in set to sage-5.11.rc0
- Resolution set to fixed
- Status changed from positive_review to closed
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This bug also occurs in Maxima (on at least SBCL and ECL):
so this looks like a straightforward bug in maxima.