From: SourceForge.net <no...@so...> - 2012-02-15 17:34:30
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Bugs item #3487920, was opened at 2012-02-15 09:34 Message generated for change (Tracker Item Submitted) made by macrakis You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3487920&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core Group: None Status: Open Resolution: None Priority: 4 Private: No Submitted By: Stavros Macrakis (macrakis) Assigned to: Stavros Macrakis (macrakis) Summary: diff(...,%pi) doesn't give an error Initial Comment: diff with respect to a constant should give an error, but it doesn't for symbolic constants: diff(%pi,%pi) == diff(%e,%e) == 1 Maxima 5.25.1 GCL 2.6.8 ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3487920&group_id=4933 |
From: SourceForge.net <no...@so...> - 2012-02-15 21:06:29
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Bugs item #3487920, was opened at 2012-02-15 09:34 Message generated for change (Comment added) made by macrakis You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3487920&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core Group: None Status: Open Resolution: None Priority: 4 Private: No Submitted By: Stavros Macrakis (macrakis) Assigned to: Stavros Macrakis (macrakis) Summary: diff(...,%pi) doesn't give an error Initial Comment: diff with respect to a constant should give an error, but it doesn't for symbolic constants: diff(%pi,%pi) == diff(%e,%e) == 1 Maxima 5.25.1 GCL 2.6.8 ---------------------------------------------------------------------- >Comment By: Stavros Macrakis (macrakis) Date: 2012-02-15 13:06 Message: Another bad case: though diff(x,1) and diff(x,2/3) give errors, diff(x,rat(2/3)) does not.... Simple fix: add a check for $constantp to nonvarcheck. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=3487920&group_id=4933 |