public void TestUniformity_OnUnitSphere()
{
var rng = new StatelessRng(kSeed);
Vector3[] vals = Gen(i => rng.OnUnitSphere(i)).ToArray();
S.CheckUniformity(new[] { "theta", "z" }, vals.Select(ParametrizeSphereSurfaceThetaZ));
// Try along another axis
S.CheckUniformity(
new[] { "theta", "y" },
vals.Select(v => new Vector3(v.x, v.z, v.y))
.Select(ParametrizeSphereSurfaceThetaZ));
}
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;
}
}
