Package cc.mallet.types

Examples of cc.mallet.types.IndexedSparseVector.dotProduct()

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    }
  }

  public void testDotProduct () {
    IndexedSparseVector t1 = new IndexedSparseVector (new int[] { 7 }, new double[] { 0.2 });
    assertEquals (0.6, t1.dotProduct (s1), 0.00001);
    assertEquals (0.6, s1.dotProduct (t1), 0.00001);

    assertEquals (19.0, s1.dotProduct (s2), 0.00001);
    assertEquals (19.0, s2.dotProduct (s1), 0.00001);
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                                             false, false, false);
    IndexedSparseVector binary2 = new IndexedSparseVector (idx2, null, idx2.length, idx2.length,
                                            false, false, false);

    assertEquals (3, binary1.dotProduct (binary2), 0.0001);
    assertEquals (3, binary2.dotProduct (binary1), 0.0001);

    assertEquals (15.0, binary1.dotProduct (s1), 0.0001);
    assertEquals (15.0, s1.dotProduct (binary1), 0.0001);

    assertEquals (9.0, binary2.dotProduct (s1), 0.0001);
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    assertEquals (3, binary2.dotProduct (binary1), 0.0001);

    assertEquals (15.0, binary1.dotProduct (s1), 0.0001);
    assertEquals (15.0, s1.dotProduct (binary1), 0.0001);

    assertEquals (9.0, binary2.dotProduct (s1), 0.0001);
    assertEquals (9.0, s1.dotProduct (binary2), 0.0001);

    IndexedSparseVector dblVec = (IndexedSparseVector) s1.cloneMatrix ();
    dblVec.plusEqualsSparse (binary1);
    checkAnswer (dblVec, new double[] { 2, 3, 4, 5, 6 });
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  public void testEmptyLocations ()
  {
    IndexedSparseVector s = new IndexedSparseVector (new int[0], new double [0]);
    assertEquals (0.0, s.value (38), 1e-10);
    assertEquals (0.0, s.dotProduct (s1), 1e-10);
  }

  public void testSerializable () throws IOException, ClassNotFoundException
  {
    IndexedSparseVector s = (IndexedSparseVector) s1.cloneMatrix ();
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