[Maxima] bug in 'is' ?
macrakis at alum.mit.edu
Thu Feb 16 06:54:59 CST 2012
Yes, anything that gives an internal error is a bug -- could you please
report it? (see bug_report() )
Since strings are not (currently) in the domain of the Maxima comparison
operators, this should either give an error or return 'unknown'. I think I
know what Robert's preference would be....
On Thu, Feb 16, 2012 at 07:45, John Lapeyre <lapeyre.math122a at gmail.com>wrote:
> These both cause an error (in both 5.26.0, 5.25.1, and gcl,sbcl)
> is("zebra" > 0);
> every(lambda([x],is(x>0)), [1,2,"zebra"]);
> with sbcl:
> Maxima encountered a Lisp error:
> The value "zebra" is not of type LIST.
> Error in MACSYMA-TOP-LEVEL [or a callee]:
> Caught fatal error [memory may be damaged]
> -- John Lapeyre
> Maxima mailing list
> Maxima at math.utexas.edu
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