//	Euler.cc
//	g++ Euler.cc
// -lm 
//			Euler number
//			limited accuracy

#include <iostream.h>
#include <math.h>

main()
{
 float e1;
 long long int i,n,m,j;
 
 n = 1000;
 m = 100000;
 
 for (i=1; i<=n; i++)
   {
     j = i*m;
     e1 = pow(1.0+1.0/j,double(j));
     cout << "e - e1  = " << exp(1) - e1 << endl;
   }
 
 cout << endl << "e = " << exp(1) << endl;
 
//		M_E is the predefined Euler number  (/usr/include/math.h)
 cout << endl << "e = " << M_E - exp(1) << endl;

//		M_PI is the predefined PI number  (/usr/include/math.h) 
 cout << M_PI << " " <<sizeof(M_PI) << endl;

}