Power function in prolog

Posted by NHans on Stack Overflow See other posts from Stack Overflow or by NHans
Published on 2010-04-17T15:47:22Z Indexed on 2010/04/17 15:53 UTC
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homework

Exactly what's the prolog definition for power function. I wrote this code and it give some errors I wanna know exact code for the power function.

pow(X,0,1).

pow(X,Y,Z):-Y1=Y-1,pow(X,Y1,Z1),Z1=Z*X.

Anything wrong with this code?

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