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); } } }