Hello,
With gprolog-1.4.0-mingw-x86, I observe the following oddity:
| ?- N is 10^2.
N = 99
yes
The problem does not appear on Linux gprolog-1.4.0 (sorry, I didn't have the
resources to test the latest build on Win32).
And by the way, gprolog-1.4.0 (both Linux and Win32) seems to have introduced
nth1/3 as an (apparently) undocumented "clone" of the nth/3 predicate:
| ?- nth(2,[a,b,c],X).
X = b
yes
| ?- nth1(2,[a,b,c],X).
X = b
yes
Best regards.
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