public void GcdLongParamsTest(long[] nums, long expected)
 {
     MathLibEx.Gcd(nums).Should().Be(expected);
 }
 public void GcdIntParamsTest(int[] nums, int expected)
 {
     MathLibEx.Gcd(nums).Should().Be(expected);
 }
 public void GcdLongTest(long num1, long num2, long expected)
 {
     MathLibEx.Gcd(num1, num2).Should().Be(expected);
 }
 public void GcdIntTest(int num1, int num2, int expected)
 {
     MathLibEx.Gcd(num1, num2).Should().Be(expected);
 }