/**

private static int sMAX_FRACTIONS = 30;

/**

private static BigFraction sBigReducedFraction =

BigFraction.valueOf(new BigInteger("846122553600669882"),

new BigInteger("188027234133482196"),

true);

/**

private static CompletableFuture<BigFraction> mBigReducedFractionFuture =

CompletableFuture.completedFuture(sBigReducedFraction);

/**

public static void main (String[] argv) throws IOException {

display("Starting ForkJoinTest");

// A list of random unreduced BigFractions.

List<BigFraction> fractionList = Stream

// Generate a list of random unreduced BigFractions

.generate(() -> makeBigFraction(new Random(), false))

// Limit the size of the list.

.limit(sMAX_FRACTIONS)

// Collect all the BigFractions into an ArrayList.

.collect(toList());

// Define a BigFraction operation to run.

Function<BigFraction, BigFraction> op = bigFraction -> BigFraction

// Reduce the big fraction.

.reduce(bigFraction)

// Multiply it by the constant.

.multiply(sBigReducedFraction);

ForkJoinPool fjp1 = new ForkJoinPool();

// Run all the tests.

RunTimer.timeRun(() -> testApplyAllIter(fractionList, op, fjp1),

"testApplyAllIter()");

System.out.println("applyAllIter() steal count = "

+ fjp1.getStealCount());

System.gc();

ForkJoinPool fjp2 = new ForkJoinPool();

RunTimer.timeRun(() -> testApplyAllSplitIndex(fractionList, op, fjp2),

"testApplyAllSplitIndex()");

System.out.println("applyAllSplitIndex() steal count = "

+ fjp2.getStealCount());

System.gc();

ForkJoinPool fjp3 = new ForkJoinPool();

RunTimer.timeRun(() -> testApplyAllSplit(fractionList, op, fjp3),

"testApplyAllSplit()");

System.out.println("applyAllSplit() steal count = "

+ fjp3.getStealCount());

System.gc();

ForkJoinPool fjp4 = new ForkJoinPool();

RunTimer.timeRun(() -> testInvokeAll(fractionList, op, fjp4),

"testInvokeAll()");

System.out.println("invokeAll() steal count = "

+ fjp4.getStealCount());

System.gc();

ForkJoinPool fjp5 = new ForkJoinPool();

RunTimer.timeRun(() -> testApplyAllSplitIndexEx(fractionList, op, fjp5),

"testApplyAllSplitIndexEx()");

System.out.println("applyAllSplitIndexEx() steal count = "

+ fjp5.getStealCount());

// Print the results of the tests.

display(RunTimer.getTimingResults());

display("Finishing ForkJoinTest");

}

/**

private static BigFraction makeBigFraction(Random random,

boolean reduced) {

// Create a large random big integer.

BigInteger numerator =

new BigInteger(150000, random);

// Create a denominator that's between 1 to 10 times smaller

// than the numerator.

BigInteger denominator =

numerator.divide(BigInteger.valueOf(random.nextInt(10) + 1));

// Return a big fraction.

return BigFraction.valueOf(numerator,

denominator,

reduced);

}

/**

private static void testApplyAllIter(List<BigFraction> fractionList,

Function<BigFraction, BigFraction> op,

ForkJoinPool fjp) {

// Test big fraction operations using applyAllIter().

applyAllIter(fractionList,

op,

fjp);

}

/**

private static void testApplyAllSplitIndex(List<BigFraction> fractionList,

Function<BigFraction, BigFraction> op,

ForkJoinPool fjp) {

// Test big fraction operations using applyAllSplitIndex().

applyAllSplitIndex(fractionList,

op,

fjp);

}

/**

private static void testApplyAllSplitIndexEx(List<BigFraction> fractionList,

Function<BigFraction, BigFraction> op,

ForkJoinPool fjp) {

BigFraction[] results = new BigFraction[fractionList.size()];

// Test big fraction operations using applyAllSplitIndex().

applyAllSplitIndexEx(fractionList,

op,

fjp,

results);

}

/**

private static void testApplyAllSplit(List<BigFraction> fractionList,

Function<BigFraction, BigFraction> op,

ForkJoinPool fjp) {

// Test big fraction operations using applyAllSplit().

applyAllSplit(fractionList,

op,

fjp);

}

/**

private static void testInvokeAll(List<BigFraction> fractionList,

Function<BigFraction, BigFraction> op,

ForkJoinPool fjp) {

// Test big fraction operations using invokeAll()

invokeAll(fractionList,

op,

fjp);

}

/**

private static void display(String string) {

System.out.println("["

+ Thread.currentThread().getId()

+ "] "

+ string);

}