double "^" operations ???...

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adam.balgach@gmail.com - 06 Dec 2006 19:56 GMT

Greetings all,

I am having a hard time performing exponential operations on doubles.
My code looks like

public double getExpon(double a, double b) {
double ans = a ^ b;
return(ans);
}

and I am getting the compiler error:

operator ^ cannot be applied to double,double
double ans = a^b;

Does anyone know why? I am totally bewildered.

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adam.balgach@gmail.com - 06 Dec 2006 20:02 GMT

Never mind, I forgot you have to use Math.pow(a,b)

and not a^b [bitwise OR operation?]

> Greetings all,
>
[quoted text clipped - 12 lines]
>
> Does anyone know why? I am totally bewildered.

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Adam Maass - 08 Dec 2006 04:05 GMT

> Greetings all,
>
[quoted text clipped - 12 lines]
>
> Does anyone know why? I am totally bewildered.

^ isn't exponentiation in Java; it's (integer) XOR.

Check out Math.exp

-- Adam Maass

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