public void PowerTest3()
{
SLongIntD A = new SLongIntD("-98276598235872");
short r = 12, s = 31;
Assert.AreEqual(LongMath.Exp(A, (ulong)(r + s)), LongMath.Exp(A, (ulong)r) * LongMath.Exp(A, (ulong)s));
}
public void TestAddition2()
{
SLongIntD A = new SLongIntD("-982");
SLongIntD B = new SLongIntD(A);
for (int i = 1; i < 1000; ++i)
{
A++;
Assert.AreEqual(A, B + (short)i);
}
}
public void TestAddition1()
{
SLongIntD A = new SLongIntD("-98276598235872687523562056");
SLongIntD B = (SLongIntD)0;
short k = 120;
for (int i = 0; i < (int)k; ++i)
B += A;
Assert.AreEqual(k*A, B);
}
public void PowerTest1()
{
SLongIntD A = new SLongIntD("-98276598235872");
SLongIntD B = (SLongIntD)1;
short k = 120;
for (int i = 0; i < (int)k; ++i)
B *= A;
Assert.AreEqual(LongMath.Exp(A, (ulong)k), B);
}
public SLongIntD(SLongIntD From)
: base((LongIntDecimal)From)
{
sign = From.sign;
}
// calculates result of division of signed long number on short number
public static SLongIntD operator /(SLongIntD A, short b)
{
if (System.Math.Abs(b) == 1)
{
SLongIntD res = new SLongIntD(A);
if (b < 0)
res.ChangeSign();
return res;
}
bool sign = false;
LongIntBase temp = LongMath.Divide(A, A.IsPositive, b, out sign);
return new SLongIntD(temp, SignTransformer.GetLSign(sign), ConstructorMode.Assign);
}
public void TestSubstraction2()
{
SLongIntD A = new SLongIntD("239");
SLongIntD B = new SLongIntD(A);
for (int i = 1; i < 1000; ++i)
{
--A;
Assert.AreEqual(A, B - (short)i);
}
}
public void TestSubstraction1()
{
SLongIntD A = new SLongIntD("-2945729752935981200000005151659293467923476293623");
SLongIntD B = new SLongIntD("2398762987692620872000000");
SLongIntD C = A + B;
Console.WriteLine(C);
Assert.AreEqual(C - A, B);
Assert.AreEqual(C - B, A);
Assert.AreEqual(C - 0, C);
Assert.AreEqual(C - C, (SLongIntD)0);
}
public void TestDivision2()
{
SLongIntD A = new SLongIntD("-2945729752935981200000005151659293467923476293623");
SLongIntD B = new SLongIntD("2398762987692620872000000");
Console.WriteLine((A % B).ToString());
Assert.AreEqual(LongMath.Abs((B * (A / B))) + (A % B), LongMath.Abs(A));
}
public void TestDivision1()
{
SLongIntD A = new SLongIntD("-2945729752935981200000005151659293467923476293623");
SLongIntD B = new SLongIntD("2398762987692620872000000");
SLongIntD C = A*B;
Assert.AreEqual(C / B, A);
Assert.AreEqual(C / A, B);
}