public void BasicArithmeticTests()
{
Rational r, r1, r2;
r1 = new Rational(47, 64);
r2 = new Rational(-11, 64);
r = r1.Add(r2);
Assert.IsTrue(r.CompareTo(new Rational(36, 64)) == 0);
r = r1.Subtract(r2);
Assert.IsTrue(r.CompareTo(new Rational(58, 64)) == 0);
r = r1.Multiply(r2);
Assert.IsTrue(r.CompareTo(new Rational(47 * -11, 64 * 64)) == 0);
r = r1.Divide(r2);
Assert.IsTrue(r.CompareTo(new Rational(47, -11)) == 0);
r = r1.Reciprocal();
Assert.IsTrue(r.CompareTo(new Rational(64, 47)) == 0);
r = r1.Negate();
Assert.IsTrue(r.CompareTo(new Rational(-47, 64)) == 0);
}
public static void Main()
{
ShowParse("-12/30");
ShowParse("123");
ShowParse("1.125");
Rational f = new Rational(6, -10);
Console.WriteLine("6/(-10) simplifies to {0}", f);
Console.WriteLine("reciprocal of {0} is {1}", f, f.Reciprocal());
Console.WriteLine("{0} negated is {1}", f, f.Negate());
Rational h = new Rational(1, 2);
Console.WriteLine("{0} + {1} is {2}", f, h, f.Add(h));
Console.WriteLine("{0} - {1} is {2}", f, h, f.Subtract(h));
Console.WriteLine("{0} * {1} is {2}", f, h, f.Multiply(h));
Console.WriteLine("({0}) / ({1}) is {2}", f, h, f.Divide(h));
Console.WriteLine("{0} > {1} ? {2}", h, f, (h.CompareTo(f) > 0));
Console.WriteLine("{0} as a double is {1}", f, f.ToDouble());
Console.WriteLine("{0} as a decimal is {1}", h, h.ToDecimal());
}