Jack Fearnley on Sat, 16 Oct 1999 16:56:29 -0400

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Lack of error message in Mod

The Pari manual states that the the first argument of Mod must be an
integer, scalar or polynomial.

The following illegal usage 


Gives an error message in version 2.0.5 but silently returns zero in
2.0.16.  It also returns zero for

Mod(1+)(7^15),3) and Mod(1.0,7)

Just thought you'd like to know,
				Jack Fearnley