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 

Mod(1+O(7^15),7)

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