示例#1
0
        public void TestCompareTo()
        {
            var r = new RandomGenerator();

            for (var i = 0; i < 500; ++i)
            {
                ERational bigintA = RandomObjects.RandomERational(r);
                ERational bigintB = RandomObjects.RandomERational(r);
                ERational bigintC = RandomObjects.RandomERational(r);
                TestCommon.CompareTestRelations(bigintA, bigintB, bigintC);
            }
            TestCommon.CompareTestLess(ERational.Zero, ERational.NaN);
            ERational rat, rat2;

            for (var i = 0; i < 100; ++i)
            {
                EInteger num = RandomObjects.RandomEInteger(r);
                if (num.IsZero)
                {
                    // Skip if number is 0; 0/1 and 0/2 are
                    // equal in that case
                    continue;
                }
                num  = num.Abs();
                rat  = ERational.Create(num, EInteger.One);
                rat2 = ERational.Create(num, (EInteger)2);
                TestCommon.CompareTestLess(rat2, rat);
                TestCommon.CompareTestGreater(rat, rat2);
            }
            TestCommon.CompareTestLess(
                ERational.Create(EInteger.One, (EInteger)2),
                ERational.Create((EInteger)4, EInteger.One));
            for (var i = 0; i < 100; ++i)
            {
                EInteger num = RandomObjects.RandomEInteger(r);
                EInteger den = RandomObjects.RandomEInteger(r);
                if (den.IsZero)
                {
                    den = EInteger.One;
                }
                rat = ERational.Create(num, den);
                for (int j = 0; j < 10; ++j)
                {
                    EInteger num2 = num;
                    EInteger den2 = den;
                    EInteger mult = RandomObjects.RandomEInteger(r);
                    if (mult.IsZero || mult.Equals(EInteger.One))
                    {
                        mult = (EInteger)2;
                    }
                    num2 *= (EInteger)mult;
                    den2 *= (EInteger)mult;
                    rat2  = ERational.Create(num2, den2);
                    TestCommon.CompareTestEqual(rat, rat2);
                }
            }
        }