Mega Code Archive
Declare the instance variable for a class
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#include <iostream>
using namespace std;
class Power {
double b;
int e;
double val;
public:
Power(double base, int exp);
double getPower() {
return val;
}
};
Power::Power(double base, int exp)
{
b = base;
e = exp;
val = 1;
if(exp == 0)
return;
for( ; exp > 0; exp--)
val = val * b;
}
int main()
{
Power x(4.0, 2), y(2.5, 1), z(5.7, 0);
cout << x.getPower() << " ";
cout << y.getPower() << " ";
cout << z.getPower() << endl;
return 0;
}
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