| public GetDistance ( String source, String target ) : float | ||
| source | String | |
| target | String | |
| return | float | |
public void TestGetDistance2()
{
StringDistance sd = new NGramDistance(2);
float d = sd.GetDistance("al", "al");
Assert.AreEqual(d, 1.0f, 0.001);
d = sd.GetDistance("a", "a");
Assert.AreEqual(d, 1.0f, 0.001);
d = sd.GetDistance("b", "a");
Assert.AreEqual(d, 0.0f, 0.001);
d = sd.GetDistance("a", "aa");
Assert.AreEqual(d, 0.5f, 0.001);
d = sd.GetDistance("martha", "marhta");
Assert.AreEqual(d, 0.6666, 0.001);
d = sd.GetDistance("jones", "johnson");
Assert.AreEqual(d, 0.4285, 0.001);
d = sd.GetDistance("natural", "contrary");
Assert.AreEqual(d, 0.25, 0.001);
d = sd.GetDistance("abcvwxyz", "cabvwxyz");
Assert.AreEqual(d, 0.625, 0.001);
d = sd.GetDistance("dwayne", "duane");
Assert.AreEqual(d, 0.5833, 0.001);
d = sd.GetDistance("dixon", "dicksonx");
Assert.AreEqual(d, 0.5, 0.001);
d = sd.GetDistance("six", "ten");
Assert.AreEqual(d, 0, 0.001);
float d1 = sd.GetDistance("zac ephron", "zac efron");
float d2 = sd.GetDistance("zac ephron", "kai ephron");
Assert.IsTrue(d1 > d2);
d1 = sd.GetDistance("brittney spears", "britney spears");
d2 = sd.GetDistance("brittney spears", "brittney startzman");
Assert.IsTrue(d1 > d2);
d1 = sd.GetDistance("0012345678", "0012890678");
d2 = sd.GetDistance("0012345678", "0072385698");
Assert.AreEqual(d1, d2, 0.001);
}
public static void TestQGram()
{
string fn1 = "acht";
string fn2 = "yacht";
string fn3 = "acha";
NGramDistance ngd = new NGramDistance();
double x = ngd.GetDistance(fn1, fn2);
double y = ngd.GetDistance(fn1, fn3);
double z = x;
}
public void TestEmpty()
{
StringDistance nsd = new NGramDistance(1);
float d = nsd.GetDistance("", "al");
Assert.AreEqual(d, 0.0f, 0.001);
}