The this Pointer : this « Language « C++

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3. this

The this Pointer

#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() << "\n";
  return 0;
}

           
       

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