Re: int pow on Win32 -- and nth1/3

[Daniel Diaz]

Hello,


Daniel

> 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).

indeed I have reproduced this bug. I think it is due to mingw itself. 
Seems fixed now with a more recent version.

You can try:

http://gprolog.univ-paris1.fr/unstable/setup-gprolog-1.4.1-msvc-x86.exe


> 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

This is for backward compatibility reasons. There is also a nth0/3 that 
counts from 0.

Thank you.

Daniel

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