public static float Divide(float a, float b)
{
if (b == 0)
{
Prog.ThrowError(3);
}
return(a / b);
}
public static double Divide(double a, double b)
{
if (b == 0)
{
Prog.ThrowError(3);
}
return(a / b);
}
public static float Reciprocal(float a)
{
if (a == 0)
{
Prog.ThrowError(5);
}
return(1 / a);
}
public static double Reciprocal(double a)
{
if (a == 0)
{
Prog.ThrowError(5);
}
return(1 / a);
}
//Checking for errors
public bool Validate(string param)
{
if (!(ArrayLib.Count(param.ToCharArray(), '(') == ArrayLib.Count(param.ToCharArray(), ')')))
{
Prog.ThrowError(1);
return(false);
}
for (int i = 0; i < param.Length; i++)
{
if (ArrayLib.Contains(OPERATORS, param[i]) && ArrayLib.Contains(OPERATORS, param[i + 1]))
{
Prog.ThrowError(0);
return(false);
}
}
return(true);
}
public static int Factorial(int a)
{
if (a < 0)
{
Prog.ThrowError(6);
}
if (a != (int)a)
{
Prog.ThrowError(7);
}
if (a == 0)
{
return(1);
}
else
{
return(a * Factorial(a - 1));
}
}
public static double Sqr(int a)
{
if (a < 0)
{
Prog.ThrowError(4);
}
double guess = 1;
while (guess * guess <= a)
{
guess++;
}
guess--;
for (int i = 0; i < 10; i++)
{
double f = guess * guess - a;
double f_der = 2 * guess;
guess = guess - (f / f_der);
}
return(guess);
}