BigInteger.SqrtTest C# (CSharp) Method

        public static void SqrtTest(int rounds)
        {
                Random rand = new Random();
	        for(int count = 0; count < rounds; count++)
	        {
	                // generate data of random length
		        int t1 = 0;
		        while(t1 == 0)
			        t1 = (int)(rand.NextDouble() * 1024);

                        Console.Write("Round = " + count);

                        BigInteger a = new BigInteger();
                        a.genRandomBits(t1, rand);

                        BigInteger b = a.sqrt();
                        BigInteger c = (b+1)*(b+1);

                        // check that b is the largest integer such that b*b <= a
                        if(c <= a)
	        	{
		        	Console.WriteLine("\nError at round " + count);
                                Console.WriteLine(a + "\n");
			        return;
		        }
		        Console.WriteLine(" <PASSED>.");
	        }
        }