Предупреждение в компиляторе: the address of 'float Perimeter(float, float)' will always evaluate as 'true' [-Waddress]

[сергей антонов13]

#include
float Perimeter (float width, float length);
using namespace std;

int main()
{
float length, width;
cout << "Enter a length " << endl;
cin >> length;
cout << "Now enter a width " << endl;
cin >> width;
cout << "Perimeter is " << Perimeter << endl;
return 0;
}
float Perimeter(float width, float length)
{
float per = width*length;
return per;
}