// ************************************
public static void initWeights() {
for (int j = 0; j < numHidden; j++) {
weightsHO[j] = (Math.random() - 0.5) / 2;
for (int i = 0; i < numInputs; i++) weightsIH[i][j] = (Math.random() - 0.5) / 5;
}
}
public int getWrongTwo() {
int wrongTwo = (int) (Math.random() * (Math.pow(2, bits)));
while (wrongTwo == answer || wrongTwo == wrongOne)
wrongOne = (int) (Math.random() * (Math.pow(2, bits)));
return wrongTwo;
}
private static double nextRandom() {
int pos = (int) (java.lang.Math.random() * BUFFER_SIZE);
if (pos == BUFFER_SIZE) pos = BUFFER_SIZE - 1;
double r = buffer[pos];
buffer[pos] = java.lang.Math.random();
return r;
}
private void setType(Paddle paddle) {
if (Math.random() < 0.1 && paddle.getType() != 2) { // %10 chance
if (Math.random() < 0.5 && paddle.padType != 1) {
Sound.play("\\sound\\pwrup.wav");
paddle.padType = 1;
} else if (paddle.padType != 2) {
Sound.play("\\sound\\pwrup.wav");
paddle.padType = 2;
}
} else if (paddle.getType() != 1) {
paddle.padType = 0;
}
}
private static void meth() throws Exception {
double r1 =
10
* java.lang.Math
.random(); // random() returns a double value with a positive sign, greater than or
// equal to 0.0 and less than 1.0
double r2 = 10 * java.lang.Math.random();
// if the difference of the 2 numbers is higher than 3, throw an exception you�ll specially
// define for this case
if (java.lang.Math.abs(r1 - r2) > 3) {
throw new Exception("Difference of the 2 random numbers is higher than 3");
}
}
public void test(Date currentDate) {
// is it a new day
if (currentDate == oldDate) {
counter = counter + 1;
if (counter == 1) {
isnewDay = true;
} else {
isnewDay = false;
}
}
if (currentDate != oldDate) {
oldDate = currentDate;
isnewDay = true;
counter = 1;
}
// Snooze functionality
double x = Math.random();
if (x < .5) {
isSnooze = true;
}
if (x >= .5) {
isSnooze = false;
}
if (isSnooze == false && isnewDay == true) {
totalpoints = totalpoints + points;
}
}
public static void main(String[] args) {
// initiate the weights
initWeights();
// load in the data
initData();
// train the network
for (int j = 0; j <= numEpochs; j++) {
for (int i = 0; i < numPatterns; i++) {
// select a pattern at random
patNum = (int) ((Math.random() * numPatterns) - 0.001);
// calculate the current network output
// and error for this pattern
calcNet();
// change network weights
WeightChangesHO();
WeightChangesIH();
}
// display the overall network error
// after each epoch
calcOverallError();
System.out.println("epoch = " + j + " RMS Error = " + RMSerror);
}
// training has finished
// display the results
displayResults();
}
public static void main(String[] args) throws IOException {
int aKey;
Link dataItem;
int size, initSize, keysPerCell = 100;
size = 100;
initSize = 10;
HashChain hashTable = new HashChain(size);
for (int i = 0; i < initSize; i++) {
aKey = (int) (java.lang.Math.random() * keysPerCell * size);
dataItem = new Link(aKey);
hashTable.insert(dataItem);
}
hashTable.displayTable();
aKey = 100;
dataItem = new Link(aKey);
hashTable.insert(dataItem);
aKey = 100;
hashTable.delete(aKey);
aKey = 50;
dataItem = hashTable.find(aKey);
if (dataItem != null) System.out.println("Found " + aKey);
else System.out.println("Could not find " + aKey);
}
/**
* Apply an "efficient selection shuffle" to the argument. The selection shuffle algorithm
* conceptually maintains two sequences of cards: the selected cards (initially empty) and the
* not-yet-selected cards (initially the entire deck). It repeatedly does the following until all
* cards have been selected: randomly remove a card from those not yet selected and add it to the
* selected cards. An efficient version of this algorithm makes use of arrays to avoid searching
* for an as-yet-unselected card.
*
* @param values is an array of integers simulating cards to be shuffled.
*/
public static void selectionShuffle(int[] values) {
for (int i = SHUFFLE_COUNT - 1; i >= 0; i--) {
int r = (int) (Math.random() * i);
int tmp = values[r];
values[r] = values[i];
values[i] = tmp;
}
}
private void addDish() {
foodTimerDiff = (System.nanoTime() - foodTimer) / 1000000;
if (foodTimerDiff > foodDelay) { // there will be a 88% chance the next dish will be food
double chance = Math.random();
int rail = (int) Math.round(Math.random() * 2);
if (chance < foodprobability) {
String food = foodList.get((int) (Math.random() * foodList.size()) % foodList.size());
Food f = new Food(food, rail, foodValues.get(food));
f.setPositionInRail(player.getx() + GamePanel.WIDTH + f.getWidth() / 2, rail);
f.setCamera(camera);
dishes.add(f);
} else {
String power = powerList.get((int) (Math.random() * powerList.size()) % powerList.size());
Power p = new Power(power, rail);
p.setPositionInRail(player.getx() + GamePanel.WIDTH + p.getWidth() / 2, rail);
p.setCamera(camera);
dishes.add(p);
}
foodTimer = System.nanoTime();
if (difficulty == OptionsState.EASY)
foodDelay = (long) (Math.random() * fooddelays[0]) + fooddelays[1];
if (difficulty == OptionsState.NORMAL)
foodDelay = (long) (Math.random() * fooddelays[2]) + fooddelays[3];
if (difficulty == OptionsState.HARD)
foodDelay = (long) (Math.random() * fooddelays[4]) + fooddelays[5];
}
}
/** Turns the robot left or right depending on a random number. */
private void turnLeftOrRight() {
randomNum = (int) (Math.random() * 2);
if (randomNum == 0) {
rotation(TURN_90_DEGREES, TURN_RIGHT);
} else if (randomNum == 1) {
rotation(TURN_90_DEGREES, TURN_LEFT);
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
java.util.Map<String, String[]> map = request.getParameterMap();
String param = "";
if (!map.isEmpty()) {
String[] values = map.get("vector");
if (values != null) param = values[0];
}
String bar = org.apache.commons.lang.StringEscapeUtils.escapeHtml(param);
double value = java.lang.Math.random();
String rememberMeKey = Double.toString(value).substring(2); // Trim off the 0. at the front.
String user = "******";
String fullClassName = this.getClass().getName();
String testCaseNumber =
fullClassName.substring(fullClassName.lastIndexOf('.') + 1 + "BenchmarkTest".length());
user += testCaseNumber;
String cookieName = "rememberMe" + testCaseNumber;
boolean foundUser = false;
javax.servlet.http.Cookie[] cookies = request.getCookies();
for (int i = 0; cookies != null && ++i < cookies.length && !foundUser; ) {
javax.servlet.http.Cookie cookie = cookies[i];
if (cookieName.equals(cookie.getName())) {
if (cookie.getValue().equals(request.getSession().getAttribute(cookieName))) {
foundUser = true;
}
}
}
if (foundUser) {
response.getWriter().println("Welcome back: " + user + "<br/>");
} else {
javax.servlet.http.Cookie rememberMe =
new javax.servlet.http.Cookie(cookieName, rememberMeKey);
rememberMe.setSecure(true);
request.getSession().setAttribute(cookieName, rememberMeKey);
response.addCookie(rememberMe);
response
.getWriter()
.println(
user
+ " has been remembered with cookie: "
+ rememberMe.getName()
+ " whose value is: "
+ rememberMe.getValue()
+ "<br/>");
}
response.getWriter().println("Weak Randomness Test java.lang.Math.random() executed");
}
/** Calls all other methods creates 120 vehicles and populates proper queues to specification */
public void Simulate() {
write("---Start of simulation, time set to 0\n");
int num = (int) (Math.random() * (13 - 7)) + 7;
changeLight();
populate(num);
do {
move(2);
num = (int) (Math.random() * (16 - 8)) + 8;
if (!(counter > 120)) populate(num);
changeLight();
move(3);
num = (int) (Math.random() * (16 - 3)) + 3;
if (!(counter > 120)) populate(num);
changeLight();
} while (!queuesEmpty());
output();
}
public static void main(String args[]) {
CCalculator obj1 = new CCalculator();
CTriFunc obj2 = new CTriFunc();
double a, b;
a = Math.random() * 20;
b = Math.random() * 10;
System.out.println(a + " Add " + b + " = " + obj1.Add(a, b));
System.out.println(a + " Sub " + b + " = " + obj1.Sub(a, b));
System.out.println(a + " Mul " + b + " = " + obj1.Mul(a, b));
System.out.println(a + " Div " + b + " = " + obj1.Div(a, b));
System.out.println("log(" + a + ") = " + obj1.LOG(a));
System.out.println("ln(" + a + ") = " + obj1.LN(a));
System.out.println("sin(" + b + ") = " + obj1.SIN(b * 10));
System.out.println("cos(" + b + ") = " + obj1.COS(b * 10));
System.out.println("tan(" + b + ") = " + obj1.TAN(b * 10));
System.out.println("sin(" + b + ") = " + obj2.SIN(b * 10) + "by run CTriFunc method");
System.out.println("cos(" + b + ") = " + obj2.COS(b * 10) + "by run CTriFunc method");
System.out.println("tan(" + b + ") = " + obj2.TAN(b * 10) + "by run CTriFunc method");
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String param = request.getParameter("foo");
String bar = doSomething(param);
java.lang.Math.random();
response.getWriter().println("Weak Randomness Test java.lang.Math.random() executed");
} // end doPost
public void init() {
// setBackground (Color.blue);
try {
// load map
dbImage =
ImageIO.read(
new File("C:\\Users\\acer\\Documents\\JavaProjects\\ProjectZ\\src\\usamap.png"));
background =
ImageIO.read(
new File("C:\\Users\\acer\\Documents\\JavaProjects\\ProjectZ\\src\\usamap.png"));
// load building
// building = ImageIO.read(new
// File("C:\\Users\\acer\\Documents\\JavaProjects\\ProjectZ\\src\\building.jpg"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
setSize(1200, 600);
width = getSize().width;
height = getSize().height;
mx = width / 2;
my = height / 2;
points = new Point[N];
for (int i = 0; i < N; ++i) {
int x = (int) ((Math.random() - 0.5) * width / 1.5);
int y = (int) ((Math.random() - 0.5) * height / 1.5);
points[i] = new Point(x, y);
}
building = getImage(getDocumentBase(), "building.jpg");
// backbuffer = createImage( width, height );
dbg = dbImage.getGraphics();
addMouseMotionListener(this);
}
public boolean match() {
if (robot.getOthers() > 5 || targetManager.getAliveTargetCount() == 0) {
return false;
}
Map<Target, Double> dists = new HashMap<Target, Double>();
final java.util.List<Target> aliveTargets = targetManager.getAliveTargets();
for (Target t : aliveTargets) {
final Target closest = targetManager.getClosestTergetToT(t);
if (closest == null) {
return false;
}
dists.put(t, closest.aDistance(t) + 80);
}
LXXPoint candidate = dest;
Target closest = targetManager.getClosestTarget();
for (int i = 0; i < 20; i++) {
double angle =
Utils.angle(closest.getPosition(), robot.getPosition())
+ Math.random() * LXXConstants.RADIANS_20
- LXXConstants.RADIANS_10;
double dist = dists.get(closest);
if (candidate == null) {
candidate =
new LXXPoint(closest.getX() + sin(angle) * dist, closest.getY() + cos(angle) * dist);
}
for (Target t : aliveTargets) {
final double d = t.aDistance(candidate);
if (d < dists.get(t)) {
candidate = null;
break;
}
}
if (candidate != null && robot.getBattleField().contains(candidate)) {
break;
}
candidate =
new LXXPoint(closest.getX() + sin(angle) * dist, closest.getY() + cos(angle) * dist);
}
dest = candidate;
return candidate != null
&& robot.getBattleField().contains(candidate)
&& StaticData.robot.getDestination().aDistance(dest) > 20;
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String param = "";
java.util.Enumeration<String> headers = request.getHeaders("foo");
if (headers.hasMoreElements()) {
param = headers.nextElement(); // just grab first element
}
String bar = new Test().doSomething(param);
java.lang.Math.random();
response.getWriter().println("Weak Randomness Test java.lang.Math.random() executed");
} // end doPost
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
java.util.Map<String, String[]> map = request.getParameterMap();
String param = "";
if (!map.isEmpty()) {
param = map.get("foo")[0];
}
String bar = org.owasp.esapi.ESAPI.encoder().encodeForHTML(param);
java.lang.Math.random();
response.getWriter().println("Weak Randomness Test java.lang.Math.random() executed");
}
public static double handleRandom(Process pro) {
System.out.println("RAMBUDGET = " + pro.B);
double value = 0;
double bud = 0;
for (int t = 1; t < pro.T; t++) {
for (int i = 0; i < pro.N.list.size(); i++) {
if (pro.N.list.get(i).arrival_time == t) {
if (Math.random() > 0.5) {
if (bud + pro.N.list.get(i).cost < pro.B) {
bud += pro.N.list.get(i).cost;
value += pro.N.list.get(i).value * disc(pro.beta, t);
}
}
}
}
}
return value;
}
private Object interpretFunctionRand(Object right, Object left) {
Double minimum = java.lang.Math.min((Double) left, (Double) right);
Double maximum = java.lang.Math.max((Double) left, (Double) right);
Double randomDouble = minimum + (java.lang.Math.random() * (maximum - minimum));
if (isInteger(minimum)
&& isInteger(maximum)
&& !(rightChild.type == ElementType.NUMBER && rightChild.value.contains("."))
&& !(leftChild.type == ElementType.NUMBER && leftChild.value.contains("."))) {
if ((Math.abs(randomDouble) - (int) Math.abs(randomDouble)) >= 0.5) {
return (double) randomDouble.intValue() + 1;
} else {
return (double) randomDouble.intValue();
}
} else {
return randomDouble;
}
}
private void createZambie(float x, float y, float dist, float speed) {
Entity entity = new Entity();
float theta = (float) (random() * PI * 2);
float cos = (float) cos(theta);
float sin = (float) sin(theta);
float scale = (float) (4 + Math.random() * 2);
entity.add(new Position(x + cos * dist, y + sin * dist, theta + (float) PI, scale, scale));
entity.add(new Velocity(0, 0, 0));
entity.add(new ZambieAI(speed + (float) Utils.random.nextGaussian() * (speed * 0.1f)));
entity.add(new Health(30));
entity.add(new Lifetime(300)); // 5 minute liftime (to stop too many zambies on screen)
entity.add(new ZambieClaws(10, 1)); // damge, APS
entity.add(new Renderable(Color.GREEN));
engine.addEntity(entity);
}
/**
* Executes the fall.
*
* @param e An action event called upon by a timer
*/
public void actionPerformed(ActionEvent e) {
// If we don't have a currently falling pentomino we set up a new one
if (activePentomino == null) {
pentominoLocation = new Point(gameBoard.getWidth() / 2, 0);
predictedLocation = new Point(gameBoard.getWidth() / 2, 0);
activePentomino = nextPentomino1;
nextPentomino1 = new Pentomino((int) (Math.random() * 12));
predictDrop();
}
// If the next drop is legal we move the piece and make a tmpBoard, which contains the
// changes.
// This way the original board remains unchanged and we can change the UI without changing
// the gameBoard.
if (nextDropLegal(activePentomino, gameBoard.getBoard(), pentominoLocation)) {
// Move pentomino
pentominoLocation.setLocation(pentominoLocation.getX(), pentominoLocation.getY() + 1);
updateMatrix();
}
// If not, lock the piece to gameBoard, erase the full rows and add score accordingly.
else {
// Locking each block of the pentomino to the board
for (Point p : activePentomino.getLocation()) {
int newX = (int) (pentominoLocation.getX() + p.getX());
int newY = (int) (pentominoLocation.getY() + p.getY());
if (newY >= 0 && newY < gameBoard.getBoard()[0].length)
gameBoard.getBoard()[newX][newY] = activePentomino.getID();
}
// Removing rows and pentomino and adding score
addScore(gameBoard.removeFullRows());
matrix = gameBoard.getBoard();
activePentomino = null;
scoreText = Integer.toString(score);
// And set storageable to true
storageable = true;
// Adjust the timer speed
if (t.getDelay() > 10) t.setDelay((int) (Math.max(1000 - Math.sqrt(12 * score), 10)));
else t.setDelay(10);
}
}
// ---------------------------------------------------------------------------
private String Calculate0(String oper) throws Exception {
double val = 0;
if (oper.equalsIgnoreCase("ALEATORIO")) val = java.lang.Math.random();
else throw new Exception("ERRO fun��o Desconhecida 2 [" + oper + "]");
return Values.DoubleToString(val);
}
/**
* Constructor for a new game
*
* @param width The width of the gameboard
* @param height The height of the gameboard
* @param randomBlocks The random blocks in the starting grid
*/
public Game(int width, int height, int randomBlocks) {
// Setup for the board, UI and the first pentomino.
gameBoard = new Board(width, height, 0, randomBlocks);
pentominoLocation = new Point(width / 2, 0);
predictedLocation = new Point(width / 2, 0);
activePentomino = new Pentomino((int) (Math.random() * 12));
nextPentomino1 = new Pentomino((int) (Math.random() * 12));
storagedPentomino = new Pentomino((int) (Math.random() * 12));
storageable = true;
scoreText = Integer.toString(0);
predictDrop();
/** Makes the active pentomino fall one step each time it's called. */
/*START-OF-BLOCKFALL-CLASS*/
class BlockFall implements ActionListener {
/**
* Executes the fall.
*
* @param e An action event called upon by a timer
*/
public void actionPerformed(ActionEvent e) {
// If we don't have a currently falling pentomino we set up a new one
if (activePentomino == null) {
pentominoLocation = new Point(gameBoard.getWidth() / 2, 0);
predictedLocation = new Point(gameBoard.getWidth() / 2, 0);
activePentomino = nextPentomino1;
nextPentomino1 = new Pentomino((int) (Math.random() * 12));
predictDrop();
}
// If the next drop is legal we move the piece and make a tmpBoard, which contains the
// changes.
// This way the original board remains unchanged and we can change the UI without changing
// the gameBoard.
if (nextDropLegal(activePentomino, gameBoard.getBoard(), pentominoLocation)) {
// Move pentomino
pentominoLocation.setLocation(pentominoLocation.getX(), pentominoLocation.getY() + 1);
updateMatrix();
}
// If not, lock the piece to gameBoard, erase the full rows and add score accordingly.
else {
// Locking each block of the pentomino to the board
for (Point p : activePentomino.getLocation()) {
int newX = (int) (pentominoLocation.getX() + p.getX());
int newY = (int) (pentominoLocation.getY() + p.getY());
if (newY >= 0 && newY < gameBoard.getBoard()[0].length)
gameBoard.getBoard()[newX][newY] = activePentomino.getID();
}
// Removing rows and pentomino and adding score
addScore(gameBoard.removeFullRows());
matrix = gameBoard.getBoard();
activePentomino = null;
scoreText = Integer.toString(score);
// And set storageable to true
storageable = true;
// Adjust the timer speed
if (t.getDelay() > 10) t.setDelay((int) (Math.max(1000 - Math.sqrt(12 * score), 10)));
else t.setDelay(10);
}
}
}
/*END-OF-BLOCKFALL-CLASS*/
// Setup for the method to make the pentomino fall and the timer which controls it. I.E. this
// makes the game run.
BlockFall blockFall = new BlockFall();
// Set up the timer for the fall
t = new Timer((800), blockFall);
t.start();
updateMatrix();
}
static {
int i;
for (i = 0; i < BUFFER_SIZE; i++) buffer[i] = java.lang.Math.random();
}
private static int r(int num) {
return (int) (Math.random() * num);
}
/**
* @param prob the probability of success for the geometric distribution.
* @return a random number generated from the geometric distribution.
*/
private static long randomGeometricDist(double prob) {
assert (prob > 0.0 && prob < 1.0);
return (long) (Math.log(Math.random()) / Math.log(1.0 - prob));
}
public static int randOneZero() { // GENERATE RANDOM LEFT OR RIGHT
// method that generates random number either 1 or 0
double random_number = Math.random();
int rand_int = (random_number >= .50) ? 1 : 0;
return rand_int;
}
public void run() {
int j = 0;
while (true) {
j++;
if (supply) {
controller.depositFuel(supplyAmount, supplyKind);
System.out.println(
System.currentTimeMillis()
- startTime
+ "--> SpaceVehicle "
+ getName()
+ " has supplied "
+ supplyAmount
+ " liters of "
+ FuelSpaceStation.KIND[supplyKind]
+ " in its "
+ j
+ "-th trip");
}
amount[0] = rand.nextInt(10);
amount[1] = rand.nextInt(10);
if (amount[0] == 0 && amount[1] == 0) continue;
System.out.println(
System.currentTimeMillis()
- startTime
+ " -- SpaceVehicle "
+ getName()
+ " requests "
+ amount[0]
+ " liters of "
+ FuelSpaceStation.KIND[0]
+ " and "
+ amount[1]
+ " liters of "
+ FuelSpaceStation.KIND[1]
+ " in its "
+ j
+ "-th trip");
if (amount[0] == 0 || amount[1] == 0) {
controller.requestFuel(amount);
Sleep((int) (1000 * java.lang.Math.random())); // gets the fuel of the kind
} else {
kind = controller.requestFuel(amount);
Sleep((int) (1000 * java.lang.Math.random())); // get the fuel of the kind
if (kind != FuelSpaceStation.BOTH) {
amount[kind] = 0;
controller.releasePlace();
controller.requestFuel(amount); // request another fuel
Sleep((int) (1000 * java.lang.Math.random())); // get another fluid;
}
}
controller.releasePlace();
System.out.println(
System.currentTimeMillis()
- startTime
+ "<-- SpaceVehicle "
+ getName()
+ " has got the fuel requested in its "
+ j
+ "-th trip");
}
}