I uploaded the latest version of AI::Prolog. It's about 40% faster, incorporates math and has a workaround for the bug in older versions of Perl where undef looks like a number. Hopefully my test failures will go away.
0.62 Fri Feb 25
Added code to avoid bug in some Perl's where "undef" looks
like a number.
Major performance improvement. Now runs about 40% faster.
Added
listing.
println(X).
is(X,Y).
plus(X,Y).
minus(X,Y).
mult(X,Y).
div(X,Y).
mod(X,Y).
ge(X,Y).
gt(X,Y).
le(X,Y).
lt(X,Y).
Added towers of hanoi and a scheduler to the examples/.