Examples of ArrayListOfDoubles

edu.umd.cloud9.util.array.ArrayListOfDoubles
Object representing a list of doubles, backed by an resizable-array.

Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

  @Test
  public void testToString() {
    int size = 10;
    Random r = new Random();


    ArrayListOfDoubles list = new ArrayListOfDoubles();
    for (int i = 0; i < size; i++) {
      list.add(r.nextDouble());
    }


    String out = list.toString();
    for (int i = 0; i < size; i++) {
      double v = list.get(i);


      // Make sure the first 10 elements are printed out.
      assertTrue(out.indexOf(new Double(v).toString()) != -1);
    }


    for (int i = 0; i < size; i++) {
      list.add(r.nextFloat());
    }


    out = list.toString();
    for (int i = size; i < size+size; i++) {
      double v = list.get(i);


      // Make sure these elements are not printed out.
      assertTrue(out.indexOf(new Double(v).toString()) == -1);
    }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

  public void testIterable() {
    int size = 1000;
    Random r = new Random();
    double[] doubles = new double[size];


    ArrayListOfDoubles list = new ArrayListOfDoubles();
    for (int i = 0; i < size; i++) {
      double k = r.nextDouble();
      list.add(k);
      doubles[i] = k;
    }


    int i=0;
    for ( Double v : list) {

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

    }
  }


  @Test
  public void testSetSize() {
    ArrayListOfDoubles list = new ArrayListOfDoubles();


    list.add(5);
    assertEquals(1, list.size);
    assertEquals(5, list.get(0), 10e-6);


    list.setSize(5);
    assertEquals(5, list.size);
    assertEquals(0, list.get(1), 10e-6);
    assertEquals(0, list.get(2), 10e-6);
    assertEquals(0, list.get(3), 10e-6);
    assertEquals(0, list.get(4), 10e-6);


    list.add(12);
    assertEquals(6, list.size);
    assertEquals(12, list.get(5), 10e-6);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

    assertEquals(12, list.get(5), 10e-6);
  }


  @Test
  public void testSort() {
    ArrayListOfDoubles a = new ArrayListOfDoubles();
    assertEquals(0, a.size());


    a.add(5.2f).add(6f).add(5.9f).add(4.1f);
    assertEquals(4, a.size());


    a.sort();
    assertEquals(4, a.size());


    assertTrue(Math.abs(a.get(0)-4.1) < 0.0001);
    assertTrue(Math.abs(a.get(1)-5.2) < 0.0001);
    assertTrue(Math.abs(a.get(2)-5.9) < 0.0001);
    assertTrue(Math.abs(a.get(3)-6) < 0.0001);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

    assertTrue(Math.abs(a.get(3)-6) < 0.0001);
  }


  @Test
  public void testIntersection1() {
    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(5).add(3).add(1);


    a.sort();


    ArrayListOfDoubles b = new ArrayListOfDoubles();
    b.add(0).add(1).add(2).add(3);


    ArrayListOfDoubles c = a.intersection(b);


    assertTrue(Math.abs(1 - c.get(0)) < 0.0001);
    assertTrue(Math.abs(3 - c.get(1)) < 0.0001);
    assertTrue(Math.abs(2 - c.size()) < 0.0001);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

    assertTrue(Math.abs(2 - c.size()) < 0.0001);
  }


  @Test
  public void testIntersection2() {
    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(5);


    ArrayListOfDoubles b = new ArrayListOfDoubles();
    b.add(0).add(1).add(2).add(3);


    ArrayListOfDoubles c = a.intersection(b);
    assertTrue(c.size() == 0);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles

    assertTrue(c.size() == 0);
  }


  @Test
  public void testIntersection3() {
    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(3).add(5).add(7).add(8).add(9);


    ArrayListOfDoubles b = new ArrayListOfDoubles();
    b.add(0).add(1).add(2).add(3);


    ArrayListOfDoubles c = a.intersection(b);


    assertTrue(Math.abs(3 - c.get(0)) < 0.0001);
    assertEquals(1, c.size());
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles


  @Test
  public void testMerge1() {
    //CASE: interleaved


    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(3);
    a.add(7);
    a.add(10);


    ArrayListOfDoubles b = new ArrayListOfDoubles();
    b.add(0);
    b.add(4);
    b.add(9);


    ArrayListOfDoubles c = a.merge(b);


    assertEquals(6, c.size());
    assertTrue(Math.abs(0 - c.get(0)) < 0.0001);
    assertTrue(Math.abs(3 - c.get(1)) < 0.0001);
    assertTrue(Math.abs(4 - c.get(2)) < 0.0001);
    assertTrue(Math.abs(7 - c.get(3)) < 0.0001);
    assertTrue(Math.abs(9 - c.get(4)) < 0.0001);
    assertTrue(Math.abs(10 - c.get(5)) < 0.0001);


    // c should be same as c2
    ArrayListOfDoubles c2 = b.merge(a); 
    assertEquals(c, c2);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles


  @Test
  public void testMerge2() {
    //CASE: append


    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(3);
    a.add(7);
    a.add(10);


    ArrayListOfDoubles b = new ArrayListOfDoubles();
    b.add(11);
    b.add(19);
    b.add(21);


    ArrayListOfDoubles c = a.merge(b);


    assertEquals(6, c.size());
    assertTrue(Math.abs(3 - c.get(0)) < 0.0001);
    assertTrue(Math.abs(7 - c.get(1)) < 0.0001);
    assertTrue(Math.abs(10 - c.get(2)) < 0.0001);
    assertTrue(Math.abs(11 - c.get(3)) < 0.0001);
    assertTrue(Math.abs(19 - c.get(4)) < 0.0001);
    assertTrue(Math.abs(21 - c.get(5)) < 0.0001);


    ArrayListOfDoubles c2 = b.merge(a);
    assertEquals(c, c2);
  }

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Examples of edu.umd.cloud9.util.array.ArrayListOfDoubles


  @Test
  public void testMerge3() {
    //CASE: one of the lists are empty


    ArrayListOfDoubles a = new ArrayListOfDoubles();
    a.add(3);
    a.add(7);
    a.add(10);


    ArrayListOfDoubles b = new ArrayListOfDoubles();


    ArrayListOfDoubles c = a.merge(b);
    assertEquals(c, a);


    ArrayListOfDoubles c2 = b.merge(a);
    assertEquals(c, c2);   
  }

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