Patch: limit of logarithm

Computer Algebra System written in Common Lisp

Brought to you by: kjak, l_butler, macrakis, robert_dodier, and 2 others

#89 Patch: limit of logarithm

Milestone: None

Status: closed

Owner: nobody

Labels: limit (2)

Priority: 5

Updated: 2021-06-26

Created: 2019-10-07

Creator: Alberto Casagrande

Private: No

This patch solves bug #3587 (wrong limit of a logarithmic function).

1 Attachments

log_limit.patch

Discussion

Alberto Casagrande - 2019-10-07

I discovered a bug in my patch (sorry, but I missed to notice the tests directory): the evaluation of

limit(log(-1-%i*x),x,0,plus)

incorrectly returned log(-1) in place of -%i*%pi.

Luckly, the attached patch preserves test results and fix bug #3587 avoiding the need for the original one.

log_limit2.patch

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Robert Dodier - 2021-06-26

labels: --> limit

status: open --> closed

Group: -->
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Robert Dodier - 2021-06-26

Bug seems to be fixed (tested w/ 5.45.1) , therefore closing this ticket.

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