SieveTest (A Hot Sieve for Cool Primes)

de.luschny.math.primes.test
Class SieveTest

java.lang.Object
de.luschny.math.primes.test.SieveTest


extends java.lang.Object

A test and demo suite for de.luschny.math.primes.

 Example demo:
 SieveRange is [1, 10.000.000]
 NumberOfPrimes is 664579.
 Computation in less than 0.5 sec.

Constructor Summary
`SieveTest()`

Method Summary
`void`	`benchmarkTenMillionsDemo()` Lets make a small benchmark.
`void`	`concatenationDemo()` The concatenation property.
`void`	`concurrentExecutionDemo()` Demonstrates that iterating the prime sieve is thread save.
`void`	`isPrimeDemo()` Individual prime/composite number demo.
`void`	`iteratingSubrangeDemo()` Working with a subrange of the sieve.
`static void`	`main(java.lang.String[] willBeIgnored)` Main - PrimeSieve demo
`void`	`nthPrimeDemo()` Which is the n-th prime?
`void`	`sanityCheck()` Test some special cases.
`void`	`saveToFileDemo()` Save a range of primes to a file.
`void`	`scanDemo()` Scan the full sieve and count primes.
`void`	`sumOfPrimesDemo()` Which is the sum of the first n primes?
`void`	`toArrayDemo()` Extract the primes from the sieve as an array.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

SieveTest

public SieveTest()

Method Detail

main

public static void main(java.lang.String[] willBeIgnored)

Main - PrimeSieve demo

Parameters:: willBeIgnored - Parameters, if any, will be ignored.

scanDemo

public void scanDemo()

Scan the full sieve and count primes.

iteratingSubrangeDemo

public void iteratingSubrangeDemo()

Working with a subrange of the sieve.

benchmarkTenMillionsDemo

public void benchmarkTenMillionsDemo()

A small benchmark.

nthPrimeDemo

public void nthPrimeDemo()

Which is the n-th prime?

sumOfPrimesDemo

public void sumOfPrimesDemo()

Which is the sum of the first n primes?

isPrimeDemo

public void isPrimeDemo()

Individual prime/composite number demo.

concatenationDemo

public void concatenationDemo()

The concatenation property.

toArrayDemo

public void toArrayDemo()

Extract the primes from the sieve as an array.

saveToFileDemo

public void saveToFileDemo()

Save a range of primes to a file.

sanityCheck

public void sanityCheck()

Test some special cases.

concurrentExecutionDemo

public void concurrentExecutionDemo()

Demonstrates that iterating the prime sieve is thread save.

de.luschny.math.primes.test Class SieveTest