Package io.rkz.cacmsearch

Examples of io.rkz.cacmsearch.TermVector

8
9
10
11
12
13
14
15
16
17
18
19
20
*/
public class TermVectorTestCase extends TestCase
{
    public void testCoordinates()
    {
        TermVector c1 = new TermVector();
        c1.put("foo", 3.0);
        c1.put("car", 2.0);
        c1.put("wee", 1.5);

        assertEquals(c1.get("foo"), 3.0);
        assertEquals(c1.get("bar"), 0.0);
    }
View Full Code Here
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
        assertEquals(c1.get("bar"), 0.0);
    }

    public void testScalarProduct()
    {
        TermVector c1 = new TermVector();
        c1.put("foo", 3.0);
        c1.put("car", 2.0);
        c1.put("wee", 1.5);

        TermVector c2 = new TermVector();
        c2.put("bar", 4.0);
        c2.put("wee", 2.0);
        c2.put("zak", 1.1);

        assertEquals(TermVector.scalarProduct(c1, c2), 3.0);
    }
View Full Code Here
34
35
36
37
38
39
40
41
42
43
44
45
46
47
        assertEquals(TermVector.scalarProduct(c1, c2), 3.0);
    }

    public void testNormalize()
    {
        TermVector c1 = new TermVector();
        c1.put("foo", 3.0);
        c1.put("car", 2.0);
        c1.put("wee", 1.5);

        TermVector n1 = c1.normalize();
        assertEquals(Math.floor(n1.getNorm()*1000), 1000.0);
        assertEquals(n1.get("bar"), 0.0);
    }
View Full Code Here
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
        assertEquals(n1.get("bar"), 0.0);
    }

    public void testCos()
    {
        TermVector c1 = new TermVector();
        c1.put("x", 1.0);

        TermVector c2 = new TermVector();
        c2.put("y", 2.0);
        c2.put("z", 1.0);

        TermVector c3 = new TermVector();
        c3.put("x", 1.0);
        c3.put("y", 1.0);

        assertEquals(TermVector.cos(c1, c2), 0.0);
        assertEquals(Math.floor(TermVector.cos(c1, c3)*1000), Math.floor(Math.sqrt(2)/2*1000));
    }
View Full Code Here
TOP

Related Classes of io.rkz.cacmsearch.TermVector

  • io.rkz.cacmsearch.test.TermVectorTestCase
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.