Bit-manipulation in ISO Prolog

From: Nameless (news.mail_at_chello.no)
Date: 08/16/04 

Date: Mon, 16 Aug 2004 21:01:08 +0200

ISO Prolog has five bit-manipulation predicates:

>> (bitwise right shift),
   << (bitwise left shift),
   /\ (bitwise and),
   \/ (bitwise or), and
   \ (bitwise compliment).

So far so good, but how would one perform (rationally and
effectively)

1) bitwise xor, and
2) bitwise not

within the ISO Prolog framework?

TIA. 

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