Axiom Computer Algebra System - Bugs: bug #4565, log10 in GCL returns a bad value...
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bug #4565: log10 in GCL returns a bad value for log10(1000)
Submitter: | David Mentré <dmentre> | ||
Submitted: | Thu 31 Jul 2003 05:25:43 PM UTC | ||
Category: | interpreter | Severity: | 2 - Minor |
Item Group: | code bug | Status: | transferred |
Privacy: | Public | Assigned to: | None |
Originator Name: | Joergen Weiss | Open/Closed: | Open |
Release: | Friday July 18, 2003 at 13:33:22 | Reproducibility: | None |
Fixed Release: | |||
Error message: |
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Example of code trigerring the bug: | )lisp (log10 1000)
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Internal cause: |
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Fri 05 Sep 2003 04:23:00 PM UTC, comment #3: [Added information or comment] |
David Mentré <dmentre>![]() |
Thu 04 Sep 2003 07:54:19 PM UTC, comment #2: [Added information or comment] From Camm Maguire:
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David Mentré <dmentre>![]() |
Wed 03 Sep 2003 08:58:48 PM UTC, comment #1: [Added information or comment] Remind to tell about (log10 1000) issue on GCL developer mailing list.
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David Mentré <dmentre>![]() |
Thu 31 Jul 2003 05:25:43 PM UTC, original submission:
In some versions of GCL the LOG10 function returns improperly rounded values.
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David Mentré <dmentre>![]() |
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From Tim:
I've already patched the output system to round (log10 1000).
The issue is still open because I need to remember to search
the sources for any other use of log10. I doubt we use it elsewhere
but I might as well do a quality job, yaknow?