public void TestBinaryDecimalCast()
{
SLongIntB A = new SLongIntB("-20976982698769825692774362798672976276668754000000000000000765700000000");
SLongIntD B = (SLongIntD)A;
Assert.AreEqual(A.ToString(), B.ToString());
Assert.AreEqual((SLongIntD)A, B);
Assert.AreEqual(A, (SLongIntB)B);
}
public void TestSubstraction1()
{
SLongIntB N = new SLongIntB("2945729752935981200000005151659293467923476293623");
RandomLong rand = new RandomLong((ulong)DateTime.Now.Millisecond);
for (int i = 0; i < 1000; ++i)
{
SLongIntB A = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
SLongIntB B = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
SLongIntB C = A + B;
Assert.AreEqual(C - B, A, C.ToString() + " " + B.ToString());
Assert.AreEqual(C - A, B, C.ToString() + " " + A.ToString());
Assert.AreEqual(C - 0, C);
Assert.AreEqual(C - C, (SLongIntB)0);
}
}
//[Test()]
public void TestExtendedGCD()
{
SLongIntB N = new SLongIntB("2945729752935981200000005151659293467923476293623");
RandomLong rand = new RandomLong((ulong)DateTime.Now.Millisecond);
SLongIntB U = null, V = null;
for (int i = 0; i < 1000; ++i)
{
SLongIntB temp1 = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
SLongIntB temp2 = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
SLongIntB gcd = CryptoMath.eXtendedGCD(temp1, temp2, out U, out V);
SLongIntB gcdB = CryptoMath.GCD(temp1, temp2);
Assert.AreEqual(gcd, temp1*U + temp2*V);
Assert.AreEqual(gcd, gcdB, temp1.ToString() + " " + temp2.ToString() + " " + gcd.ToString() + " " + gcdB.ToString());
}
}
public void TestPower()
{
SLongIntB N = new SLongIntB("2945");
RandomLong rand = new RandomLong((ulong)DateTime.Now.Millisecond);
Random rand32 = new Random(DateTime.Now.Millisecond);
SLongIntB m = new SLongIntB("98696766574783");
for (int i = 0; i < 100; ++i)
{
SLongIntB temp = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
int power = rand32.Next(ushort.MaxValue) % 10000;
Assert.AreEqual(CryptoMath.ExpMod5((ULongIntB)temp, (ULongIntB)power, (ULongIntB)m), LongMath.Exp((ULongIntB)temp, (ulong)power) % (ULongIntB)m,
temp.ToString() + "^" + power.ToString());
}
}
public void TestDivision2()
{
SLongIntB N = new SLongIntB("2945729752935981200000005151659293467923476293623");
RandomLong rand = new RandomLong((ulong)DateTime.Now.Millisecond);
for (int i = 0; i < 1000; ++i)
{
SLongIntB A = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
SLongIntB B = new SLongIntB(rand.Next(N), ConstructorMode.Assign);
if (B == 0)
continue;
if ((B * (A / B)) + (A % B) != A)
{
Console.WriteLine(A);
Console.WriteLine(B);
Console.WriteLine((A/B).ToString());
Console.WriteLine((A%B).ToString());
}
Assert.AreEqual((B * (A / B)) + (A % B), A, string.Join(" ",
new string[]{ A.ToString(), B.ToString(), (A/B).ToString(), (A%B).ToString() }));
}
}
