public static double DoubleValue(MyFrac f1)
{
double b = 0;
b = (double)f1.nom / f1.denom;
return(b);
}
public static MyFrac GetRGR115LeftSum(int n)
{
MyFrac res = new MyFrac(1, 1);
for (int i = 2; i <= n; i++)
{
res = Multiply(res, Minus(new MyFrac(1, 1), new MyFrac(1, i * i)));
}
return(res);
}
public static MyFrac GetRGR113LeftSum(int n)
{
MyFrac objS = new MyFrac(1, 1 * 3);
for (int i = 2; i <= n; i++)
{
MyFrac obj = new MyFrac(1, (2 * i - 1) * (2 * i + 1));
objS = Plus(objS, obj);
}
return(objS);
}
public static MyFrac Divide(MyFrac f1, MyFrac f2)
{
return(new MyFrac(f1.nom * f2.denom,
f1.denom * f2.nom));
}
public static MyFrac Multiply(MyFrac f1, MyFrac f2)
{
return(new MyFrac(f1.nom * f2.nom,
f1.denom * f2.denom));
}
public static MyFrac Minus(MyFrac f1, MyFrac f2)
{
return(new MyFrac(f1.nom * f2.denom - f1.denom * f2.nom,
f1.denom * f2.denom));
}