public void TestForSaltReuse()
{
var seen = new HashSet <int>();
var rng = new StatelessRng(kSeed);
StatelessRng.SaltUsed = (salt) => {
Assert.IsTrue(seen.Add(salt), "Salt {0} is unused", salt);
};
try {
rng.OnUnitCircle(0); seen.Clear();
rng.InUnitCircle(0); seen.Clear();
rng.OnUnitSphere(0); seen.Clear();
rng.InUnitSphere(0); seen.Clear();
rng.Rotation(0); seen.Clear();
} finally {
StatelessRng.SaltUsed = null;
}
}
public void TestUniformity_InUnitSphere()
{
var rng = new StatelessRng(kSeed);
Vector3[] vals = Gen(i => rng.InUnitSphere(i)).ToArray();
Func <Vector3, Vector3> ThetaRrrZr = v3 => {
float r = v3.magnitude;
if (r == 0)
{
return(Vector3.zero);
}
float angle01 = ToAngle01(Mathf.Atan2(v3.y, v3.x));
return(new Vector3(angle01, r * r * r, ((v3.z / r) + 1f) / 2f));
};
S.CheckUniformity(new[] { "theta", "rrr", "z/r" }, vals.Select(ThetaRrrZr));
}
