public void MirroredFloatReinterpretation()
{
Assert.AreEqual(
12345,
FloatingPointNumerics.ReinterpretAsInt(
FloatingPointNumerics.ReinterpretAsFloat(12345)
)
);
}
public void MirroredLongReinterpretation()
{
Assert.AreEqual(
12345.67890,
FloatingPointNumerics.ReinterpretAsDouble(
FloatingPointNumerics.ReinterpretAsLong(12345.67890)
)
);
}
public void DoubleEqualityWithUlps()
{
Assert.IsTrue(
FloatingPointNumerics.AreAlmostEqualUlps(0.00000001, 0.000000010000000000000002, 1)
);
Assert.IsFalse(
FloatingPointNumerics.AreAlmostEqualUlps(0.00000001, 0.000000010000000000000004, 1)
);
Assert.IsTrue(
FloatingPointNumerics.AreAlmostEqualUlps(1000000.00, 1000000.0000000001, 1)
);
Assert.IsFalse(
FloatingPointNumerics.AreAlmostEqualUlps(1000000.00, 1000000.0000000002, 1)
);
}
public void FloatEqualityWithUlps()
{
Assert.IsTrue(
FloatingPointNumerics.AreAlmostEqualUlps(0.00000001f, 0.0000000100000008f, 1)
);
Assert.IsFalse(
FloatingPointNumerics.AreAlmostEqualUlps(0.00000001f, 0.0000000100000017f, 1)
);
Assert.IsTrue(
FloatingPointNumerics.AreAlmostEqualUlps(1000000.00f, 1000000.06f, 1)
);
Assert.IsFalse(
FloatingPointNumerics.AreAlmostEqualUlps(1000000.00f, 1000000.13f, 1)
);
}