public static void TestStringEqualRoundTrip(EFloat obj)
{
Assert.AreEqual(
EDecimal.PositiveInfinity,
EDecimal.FromSingle(Single.PositiveInfinity));
Assert.AreEqual(
EDecimal.NegativeInfinity,
EDecimal.FromSingle(Single.NegativeInfinity));
Assert.AreEqual(
EFloat.PositiveInfinity,
EFloat.FromDouble(Double.PositiveInfinity));
Assert.AreEqual(
EFloat.NegativeInfinity,
EFloat.FromDouble(Double.NegativeInfinity));
Assert.AreEqual(
EFloat.PositiveInfinity,
EFloat.FromSingle(Single.PositiveInfinity));
Assert.AreEqual(
EFloat.NegativeInfinity,
EFloat.FromSingle(Single.NegativeInfinity));
Assert.AreEqual(
ERational.PositiveInfinity,
ERational.FromDouble(Double.PositiveInfinity));
Assert.AreEqual(
ERational.NegativeInfinity,
ERational.FromDouble(Double.NegativeInfinity));
Assert.AreEqual(
ERational.PositiveInfinity,
ERational.FromSingle(Single.PositiveInfinity));
Assert.AreEqual(
ERational.NegativeInfinity,
ERational.FromSingle(Single.NegativeInfinity));
Assert.AreEqual(
ERational.PositiveInfinity,
ERational.FromEDecimal(EDecimal.PositiveInfinity));
Assert.AreEqual(
ERational.NegativeInfinity,
ERational.FromEDecimal(EDecimal.NegativeInfinity));
Assert.AreEqual(
ERational.PositiveInfinity,
ERational.FromEFloat(EFloat.PositiveInfinity));
Assert.AreEqual(
ERational.NegativeInfinity,
ERational.FromEFloat(EFloat.NegativeInfinity));
Assert.IsTrue(Double.IsPositiveInfinity(ERational.PositiveInfinity.ToDouble()));
Assert.IsTrue(Double.IsNegativeInfinity(ERational.NegativeInfinity.ToDouble()));
Assert.IsTrue(Single.IsPositiveInfinity(ERational.PositiveInfinity.ToSingle()));
Assert.IsTrue(Single.IsNegativeInfinity(ERational.NegativeInfinity.ToSingle()));
}
public void TestToDouble()
{
// test for correct rounding
double dbl;
dbl = ERational.FromEDecimal(
EDecimal.FromString(
"1.972579273363468721491642554610734805464744567871093749999999999999"))
.ToDouble();
{
string stringTemp = EFloat.FromDouble(dbl).ToPlainString();
Assert.AreEqual(
"1.9725792733634686104693400920950807631015777587890625",
stringTemp);
}
}
public void TestCompareToDecimal()
{
var fr = new RandomGenerator();
for (var i = 0; i < 100; ++i)
{
ERational er = RandomObjects.RandomERational(fr);
int exp = -100000 + fr.UniformInt(200000);
EDecimal ed = EDecimal.Create(
RandomObjects.RandomEInteger(fr),
(EInteger)exp);
ERational er2 = ERational.FromEDecimal(ed);
int c2r = er.CompareTo(er2);
int c2d = er.CompareToDecimal(ed);
Assert.AreEqual(c2r, c2d);
}
}
public ERational AsERational(object obj)
{
return(ERational.FromEDecimal((EDecimal)obj));
}