#680 zeta declared posfun

[Barton Willis]

The zeta function is declared to be a positive function

(%i70) featurep(zeta,'posfun);
(%o70) TRUE

This isn't true--for example, zeta(-1) = -1/12.
The bogus declaration is in the file compar.lisp.

Barton

[Barton Willis]

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Fixed with compar.lisp revision 1.12. Closing report.