Examples with Doubles java8.lang.Doubles used on opensource projects

Example 26 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class DoubleAccumulatorTest method testLongValue.

/**
 * longValue returns current value.
 */
public void testLongValue() {
    DoubleAccumulator acc = new DoubleAccumulator(Doubles::max, 0.0);
    assertEquals(0, acc.longValue());
    acc.accumulate(1.0);
    assertEquals(1, acc.longValue());
}

Example 27 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class DoubleAccumulatorTest method testAccumulateAndGet.

/**
 * accumulate accumulates given value to current, and get returns current value
 */
public void testAccumulateAndGet() {
    DoubleAccumulator acc = new DoubleAccumulator(Doubles::max, 0.0);
    acc.accumulate(2.0);
    assertEquals(2.0, acc.get());
    acc.accumulate(-4.0);
    assertEquals(2.0, acc.get());
    acc.accumulate(4.0);
    assertEquals(4.0, acc.get());
}

Example 28 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class DoubleAccumulatorTest method testDoubleValue.

/**
 * doubleValue returns current value.
 */
public void testDoubleValue() {
    DoubleAccumulator acc = new DoubleAccumulator(Doubles::max, 0.0);
    assertEquals(0.0, acc.doubleValue());
    acc.accumulate(1.0);
    assertEquals(1.0, acc.doubleValue());
}

Example 29 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class ThreadLocalRandom8Test method testUnsizedDoublesCount.

/**
 * A parallel unsized stream of doubles generates at least 100 values
 */
public void testUnsizedDoublesCount() {
    LongAdder counter = new LongAdder();
    ThreadLocalRandom r = ThreadLocalRandom.current();
    long size = 100;
    r.doubles().limit(size).parallel().forEach(x -> counter.increment());
    assertEquals(size, counter.sum());
}

Example 30 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class ThreadLocalRandom8Test method testUnsizedDoublesCountSeq.

/**
 * A sequential unsized stream of doubles generates at least 100 values
 */
public void testUnsizedDoublesCountSeq() {
    LongAdder counter = new LongAdder();
    ThreadLocalRandom r = ThreadLocalRandom.current();
    long size = 100;
    r.doubles().limit(size).forEach(x -> counter.increment());
    assertEquals(size, counter.sum());
}