[Test] public void ToDegrees()
{
Assert.IsTrue(Compare.AlmostEqual(1f, Trig.ToDegrees(0.0174533), 1e5));
Assert.IsTrue(Compare.AlmostEqual(33f, Trig.ToDegrees(0.575959), 1e5));
Assert.IsTrue(Compare.AlmostEqual(74f, Trig.ToDegrees(1.29154), 1e5));
Assert.IsTrue(Compare.AlmostEqual(89f, Trig.ToDegrees(1.55334), 1e5));
Assert.IsTrue(Compare.AlmostEqual(90f, Trig.ToDegrees(1.5708), 1e5));
Assert.IsTrue(Compare.AlmostEqual(91f, Trig.ToDegrees(1.58825), 1e5));
Assert.IsTrue(Compare.AlmostEqual(123f, Trig.ToDegrees(2.14675), 1e5));
Assert.IsTrue(Compare.AlmostEqual(198f, Trig.ToDegrees(3.45575), 1e5));
Assert.IsTrue(Compare.AlmostEqual(255f, Trig.ToDegrees(4.45059), 1e5));
Assert.IsTrue(Compare.AlmostEqual(313f, Trig.ToDegrees(5.46288), 1e5));
}
[Test] public void LengthSquared()
{
Reset(test: "LengthSquared", setsWithNewSeed: 100, nearRepeats: 1000, maxDegrees: 180);
Walker(
() => {
var expected = 1;
float actual = seed.normalized.LengthSquared();
Assert.IsTrue(Compare.AlmostEqual(expected, actual));
});
}
[Test] public void ToRadians()
{
Assert.IsTrue(Compare.AlmostEqual(0.0174533, Trig.ToRadians(1)));
Assert.IsTrue(Compare.AlmostEqual(0.575959, Trig.ToRadians(33)));
Assert.IsTrue(Compare.AlmostEqual(1.29154, Trig.ToRadians(74)));
Assert.IsTrue(Compare.AlmostEqual(1.55334, Trig.ToRadians(89)));
Assert.IsTrue(Compare.AlmostEqual(1.5708, Trig.ToRadians(90)));
Assert.IsTrue(Compare.AlmostEqual(1.58825, Trig.ToRadians(91)));
Assert.IsTrue(Compare.AlmostEqual(2.14675, Trig.ToRadians(123)));
Assert.IsTrue(Compare.AlmostEqual(3.45575, Trig.ToRadians(198)));
Assert.IsTrue(Compare.AlmostEqual(4.45059, Trig.ToRadians(255)));
Assert.IsTrue(Compare.AlmostEqual(5.46288, Trig.ToRadians(313)));
}
[Test] public void AlmostEqualFloatingPoint()
{
Assert.IsFalse(Compare.AlmostEqual(a: 1.1f, b: 1.2f, minimumChange: 0.1f));
Assert.IsTrue(Compare.AlmostEqual(a: 1.1f, b: 1.2f, minimumChange: 0.11f));
Assert.IsFalse(Compare.AlmostEqual(a: 1.1f, b: 1.11f));
Assert.IsTrue(Compare.AlmostEqual(a: 1.1f, b: 1.0999f));
Assert.IsFalse(Compare.AlmostEqual(a: 103.11, b: 104, minimumChange: 0.5));
Assert.IsTrue(Compare.AlmostEqual(a: 103.11, b: 104, minimumChange: 0.9));
Assert.IsFalse(Compare.AlmostEqual(a: 123.45678, b: 123.45679));
Assert.IsTrue(Compare.AlmostEqual(a: 123.456789, b: 123.45679));
}
[Test] public void AlmostEqualInteger()
{
Assert.IsFalse(Compare.AlmostEqual(a: 123L, b: 133L, minimumChange: 10L));
Assert.IsTrue(Compare.AlmostEqual(a: 123L, b: 133L, minimumChange: 11L));
Assert.IsFalse(Compare.AlmostEqual(a: 123L, b: 125L));
Assert.IsFalse(Compare.AlmostEqual(a: 123L, b: 121L));
Assert.IsTrue(Compare.AlmostEqual(a: 123L, b: 124L));
Assert.IsTrue(Compare.AlmostEqual(a: 123L, b: 122L));
Assert.IsFalse(Compare.AlmostEqual(a: 1, b: 4, minimumChange: 2));
Assert.IsTrue(Compare.AlmostEqual(a: 1, b: 3, minimumChange: 4));
Assert.IsFalse(Compare.AlmostEqual(a: 1, b: 4));
Assert.IsTrue(Compare.AlmostEqual(a: 1, b: 2));
}
private void AreEqual(Vector2 expected, Vector2 actual)
{
Assert.IsTrue(
Compare.AlmostEqual(expected.x, actual.x) & Compare.AlmostEqual(expected.y, actual.y),
$"expected: {expected.x:F4},{expected.y:F4}, actual: {actual.x:F4},{actual.y:F4}");
}
private void AreEqual(float expected, float actual) => Assert.IsTrue(
Compare.AlmostEqual(expected, actual), $"Expected {expected}, Actual {actual}");
private static int eq(double a, double b) => Compare.AlmostEqual(a, b) ? 1 : 0;
private static int eq(float a, float b) => Compare.AlmostEqual(a, b) ? 1 : 0;
private static int nz(double number) => Compare.AlmostEqual(number, 0) ? 0 : 1;
private static int nz(float number) => Compare.AlmostEqual(number, 0) ? 0 : 1;