net.openhft.chronicle.testframework

Class Series

java.lang.Object

net.openhft.chronicle.testframework.Series

public final class Series
extends Object

This class provides utility methods to generate series of numbers, such as powers of two, powers of two and adjacent values, Fibonacci series, and prime numbers.

This class is a final utility class and cannot be instantiated.

Method Summary

Modifier and Type	Method and Description
static LongStream	fibonacci() Creates and returns a new LongStream of the Fibonacci series: 0, 1, 1, 2, 3, 5, ...
static LongStream	powersOfTwo() Creates and returns a new LongStream of powers of two: 1, 2, ..., 2^63.
static LongStream	powersOfTwoAndAdjacent() Creates and returns a new LongStream of powers of two and adjacent values: 0, 1, 2, ..., 15, 16, 17, 31, 32, 33.
static LongStream	primes() Creates and returns a new LongStream of all the prime numbers: 2, 3, 5, 7, ...

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

powersOfTwo

public static LongStream powersOfTwo()

Creates and returns a new LongStream of powers of two: 1, 2, ..., 2^63.

Returns:

the powers of two series as a LongStream

powersOfTwoAndAdjacent

public static LongStream powersOfTwoAndAdjacent()

Creates and returns a new LongStream of powers of two and adjacent values: 0, 1, 2, ..., 15, 16, 17, 31, 32, 33.

Returns:

the powers of two and adjacent series as a LongStream

fibonacci

public static LongStream fibonacci()

Creates and returns a new LongStream of the Fibonacci series: 0, 1, 1, 2, 3, 5, ...

Returns:

the Fibonacci series as a LongStream

primes

public static LongStream primes()

Creates and returns a new LongStream of all the prime numbers: 2, 3, 5, 7, ...

Returns:

the prime number series as a LongStream