Examples with DoublesUnion com.yahoo.sketches.quantiles.DoublesUnion used on opensource projects

Example 6 with DoublesUnion

use of com.yahoo.sketches.quantiles.DoublesUnion in project Gaffer by gchq.

the class DoublesUnionAggregatorTest method testCloneOfBusySketch.

@Test
public void testCloneOfBusySketch() {
    final DoublesUnionAggregator unionAggregator = new DoublesUnionAggregator();
    unionAggregator.init();
    for (int i = 0; i < 100; i++) {
        final DoublesUnion union = DoublesUnion.builder().build();
        for (int j = 0; j < 100; j++) {
            union.update(Math.random());
        }
        unionAggregator._aggregate(union);
    }
    final DoublesUnionAggregator clone = unionAggregator.statelessClone();
    assertNotSame(unionAggregator, clone);
    clone._aggregate(union1);
    assertEquals(union1.getResult().getQuantile(0.5D), ((DoublesUnion) clone.state()[0]).getResult().getQuantile(0.5D), DELTA);
}

Example 7 with DoublesUnion

use of com.yahoo.sketches.quantiles.DoublesUnion in project Gaffer by gchq.

the class DoublesUnionSerialiserTest method testSerialiser.

private void testSerialiser(final DoublesUnion union) {
    final double quantile1 = union.getResult().getQuantile(0.5D);
    final byte[] unionSerialised;
    try {
        unionSerialised = SERIALISER.serialise(union);
    } catch (final SerialisationException exception) {
        fail("A SerialisationException occurred");
        return;
    }
    final DoublesUnion unionDeserialised;
    try {
        unionDeserialised = SERIALISER.deserialise(unionSerialised);
    } catch (final SerialisationException exception) {
        fail("A SerialisationException occurred");
        return;
    }
    assertEquals(quantile1, unionDeserialised.getResult().getQuantile(0.5D), DELTA);
}