Helper Gnuutil

Jan Burse, created Apr 15. 2020
* The Prolog text for the testing utilities.
* Version that doesn't use meta_predicate declarations.
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for(N) :- N > 1, M is N - 1, for(M).
test(N, X) :- for(N), call(X), fail.
test(_, _).
show(T, G) :-
write('\tin '),
write(' gc) ms'), nl.
bench(M, X, T, G) :-
test(M, X),
T is T2 - T1,
G is G2 - G1,
show(T, G).