Axiom Computer Algebra System - Bugs: bug #9313, 0^0 handled inconsistently
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bug #9313: 0^0 handled inconsistently
Submitter: | Martin Rubey <kratt6> | ||
Submitted: | Sat 12 Jun 2004 05:20:11 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Item Group: | code bug | Status: | Duplicate |
Privacy: | Public | Assigned to: | None |
Originator Name: | kratt6 | Open/Closed: | Closed |
Release: | tla june 2004 | Reproducibility: | None |
Fixed Release: | |||
Error message: |
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Example of code trigerring the bug: | 0^0 |
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Internal cause: | The reason for 0^0 giving 1 is that axiom uses the lisp function expt for exponentiation of integers, which returns 1 (which is in line with the common lisp hyperspec) |
Wed 30 Jun 2004 07:11:25 PM UTC, comment #2: [Added information or comment] |
David Mentré <dmentre> |
Wed 30 Jun 2004 07:10:51 PM UTC, comment #1: [Added information or comment] This is not a bug but is related to bug #9424
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David Mentré <dmentre> |
Sat 12 Jun 2004 05:20:11 PM UTC, original submission:
mathematically speaking, 0^0 should be undefined. However, in axiom there are different kinds of 0^0, depending on the type of 0: |
Martin Rubey <kratt6> |
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Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2004-06-30 | dmentre | Open/Closed | Open | Closed | |
2004-06-30 | dmentre | Status | None | Duplicate |
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Corresponding source code
This is not a bug but is related to bug #9424
See following message for details.
http://lists.nongnu.org/archive/html/axiom-developer/2004-06/msg00250.html