文件数

#include<iostream>
#include"pow.cpp"

double power(double, double);
//Function to calculate approximate index 
 double AppxIndex(double m, double f){
	 double U = (power(m,2) - 1)/(power(m,2)+2); //First term
	 double V = (power(m,4) + 27*power(m,2)+38)/
	 (2*power(m,2)+3);// Second term
	 return (1+2*f*power(U,2)*(1+power(m,2)*U*V +
	  power(m,3)/power(m,3)*(U-V)))
	 /( (1-2*f*power(U,2)*(1+power(m,2)*U*V 
	 + power(m,3)/power(m,3)*(U-V))));
 }

 
 int main(){
	 return 0;
 }