public void TestCos()
{
for (Double deg = -360.0; deg <= 360.0; deg += 0.1)
{
Double rad = deg * DoublePrecision.Maths.Deg2Rad;
Fixed32 f = rad;
Fixed32 fs = Fixed32.Cos(f);
Double result = fs.ToDouble();
Double expected = Math.Cos(rad);
Assert.That(result,
Is.EqualTo(expected).Within(MathsTests.TestTolerance). // Check that result is within test tolerance for Fixed32
Or.EqualTo(expected).Within(MathsTests.PercentageTolerance * Math.Abs(result))); // or that result is within test percentage for Fixed32.
}
}
public static F32 Cos(F32 a)
{
return(FromRaw(Fixed32.Cos(a.Raw)));
}
public static F32Vec4 Cos(F32Vec4 a)
{
return(new F32Vec4(Fixed32.Cos(a.RawX), Fixed32.Cos(a.RawY), Fixed32.Cos(a.RawZ), Fixed32.Cos(a.RawW)));
}
public static F32Vec3 Cos(F32Vec3 a)
{
return(new F32Vec3(Fixed32.Cos(a.RawX), Fixed32.Cos(a.RawY), Fixed32.Cos(a.RawZ)));
}
public static F32Vec2 Cos(F32Vec2 a)
{
return(new F32Vec2(Fixed32.Cos(a.RawX), Fixed32.Cos(a.RawY)));
}
