Examples with DoubleFunction org.eclipse.collections.api.block.function.primitive.DoubleFunction used on opensource projects

Example 1 with DoubleFunction

use of org.eclipse.collections.api.block.function.primitive.DoubleFunction in project eclipse-collections by eclipse.

the class ParallelIterableTestCase method sumOfDoubleConsistentRounding.

@Test
public void sumOfDoubleConsistentRounding() {
    DoubleFunction<Integer> roundingSensitiveElementFunction = i -> (i <= 99995) ? 1.0e-18d : 1.0d;
    MutableList<Integer> list = Interval.oneTo(100_000).toList().shuffleThis();
    double baseline = this.getExpectedWith(list.toArray(new Integer[] {})).sumOfDouble(roundingSensitiveElementFunction);
    for (Integer batchSize : BATCH_SIZES) {
        this.batchSize = batchSize;
        ParallelIterable<Integer> testCollection = this.newWith(list.toArray(new Integer[] {}));
        Assert.assertEquals("Batch size: " + this.batchSize, baseline, testCollection.sumOfDouble(roundingSensitiveElementFunction), 1.0e-15d);
    }
}