public static BigInteger GreatestCommonDivisor(this BigInteger a, BigInteger b)
{
Extreme.Mathematics.BigInteger emA = ToUnsignedExtremeMathematics(a);
Extreme.Mathematics.BigInteger emB = ToUnsignedExtremeMathematics(b);
Extreme.Mathematics.BigInteger result = IntegerMath.GreatestCommonDivisor(emA, emB);
return(ToUnsignedBigInteger(result));
}
public void GreatestCommonDivisorBigInteger()
{
BigInteger a = 2 * 3 * 5 * 7;
BigInteger b = 3 * 5 * 7;
BigInteger c = 2 * 5 * 7;
BigInteger expected = 5 * 7;
BigInteger actual = IntegerMath.GreatestCommonDivisor(a, b, c);
Assert.AreEqual(expected, actual);
}
public void GreatestCommonDivisorInt()
{
int a = 2 * 3 * 5 * 7;
int b = 3 * 5 * 7;
int c = 2 * 5 * 7;
int expected = 5 * 7;
int actual = IntegerMath.GreatestCommonDivisor(a, b, c);
Assert.AreEqual(expected, actual);
}