Examples with PLink jcog.pri.PLink used on opensource projects

Example 1 with PLink

use of jcog.pri.PLink in project narchy by automenta.

the class ArrayBagTest method populated.

@NotNull
private CurveBag<PLink<String>> populated(int n, @NotNull DoubleSupplier random) {
    CurveBag<PLink<String>> a = curveBag(n, plus);
    // fill with uniform randomness
    for (int i = 0; i < n; i++) {
        a.put(new PLink("x" + i, (float) random.getAsDouble()));
    }
    a.commit();
    return a;
}

Example 2 with PLink

use of jcog.pri.PLink in project narchy by automenta.

the class ArrayBagTest method testInsertOrBoostDoesntCauseSort.

@Disabled
@Test
public void testInsertOrBoostDoesntCauseSort() {
    final int[] sorts = { 0 };
    @NotNull CurveBag<PLink<String>> x = new CurveBag(PriMerge.plus, new HashMap<>(), 4) {

        @Override
        protected void sort(int from, int to) {
            sorts[0]++;
            super.sort(from, to);
        }
    };
    x.put(new PLink("x", 0.2f));
    x.put(new PLink("y", 0.1f));
    x.put(new PLink("z", 0f));
    assertEquals(0, sorts[0]);
    x.commit();
    assertEquals(0, sorts[0]);
    assertSorted(x);
}

Example 3 with PLink

use of jcog.pri.PLink in project narchy by automenta.

the class ArrayBagTest method testBudgetMerge.

@Test
public void testBudgetMerge() {
    PLinkArrayBag<String> a = new PLinkArrayBag<String>(4, plus, new HashMap<>(4));
    assertEquals(0, a.size());
    a.put(new PLink("x", 0.1f));
    a.put(new PLink("x", 0.1f));
    a.commit(null);
    assertEquals(1, a.size());
    PriReference<String> agx = a.get("x");
    Pri expect = new Pri(0.2f);
    assertTrue(Util.equals(expect.priElseNeg1(), agx.priElseNeg1(), 0.01f), agx + "==?==" + expect);
}

Example 4 with PLink

use of jcog.pri.PLink in project narchy by automenta.

the class ArrayBagTest method testCapacity.

@Test
public void testCapacity() {
    PLinkArrayBag a = new PLinkArrayBag(2, plus, new HashMap<>(2));
    a.put(new PLink("x", 0.1f));
    a.put(new PLink("y", 0.2f));
    a.print();
    System.out.println();
    assertEquals(2, a.size());
    a.commit(null);
    assertSorted(a);
    assertEquals(0.1f, a.priMin(), 0.01f);
    a.put(new PLink("z", 0.05f));
    a.print();
    System.out.println();
    assertEquals(2, a.size());
    assertTrue(a.contains("x") && a.contains("y"));
    assertFalse(a.contains("z"));
}

Example 5 with PLink

use of jcog.pri.PLink in project narchy by automenta.

the class HijackBagTest method testHijackFlatBagRemainsRandomInNormalizedSampler.

@Test
public void testHijackFlatBagRemainsRandomInNormalizedSampler() {
    int n = 256;
    Bag<String, PriReference<String>> a = new DefaultHijackBag<>(max, n, 4);
    for (int i = 0; i < n * 8; i++) {
        a.put(new PLink("x" + Integer.toString(Float.floatToIntBits(1f / i), 5), ((float) (i)) / (n)));
    }
    a.commit();
    int size = a.size();
    // assertTrue(size >= 20 && size <= 30);
    // TreeSet<String> keys = new TreeSet();
    // Iterators.transform(a.iterator(), x -> x.get()).forEachRemaining(keys::add);
    // System.out.println( keys.size() + " " + Joiner.on(' ').join(keys) );
    TreeSet<String> keys2 = new TreeSet();
    a.forEach((b) -> {
        if (!keys2.add(b.get()))
            throw new RuntimeException("duplicate detected");
    });
    System.out.println(keys2.size() + " " + Joiner.on(' ').join(keys2));
    assertEquals(size, keys2.size());
// int b = 20;
// EmpiricalDistribution e = BagTest.getSamplingPriorityDistribution(a, n * 500, b);
// 
// printDist(e);
// 
// //monotonically increasing:
// assertTrue(e.getBinStats().get(0).getMean() < e.getBinStats().get(b-1).getMean());
// assertTrue(e.getBinStats().get(0).getMean() < e.getBinStats().get(b/2).getMean());
// assertTrue(e.getBinStats().get(b/2).getMean() < e.getBinStats().get(b-2).getMean());
// a.print();
}