public MerkleTree(Vector<Indexable> v) {
nodeMap = new HashMap<Integer, MerkleTreeNode>();
this.store = v;
int exp = 0;
while ((int) Math.pow(2, exp) < store.size()) {
exp++;
}
for (int i = store.size(); i < (int) Math.pow(2, exp); i++) {
store.add(i, null);
}
Vector<MerkleTreeNode> hashes = new Vector<MerkleTreeNode>();
for (int i = 0; i < store.size(); i++) {
if (store.get(i) != null) {
MerkleTreeNode temp = new MerkleTreeNode(store.get(i).getBytes(), i);
nodeMap.put(i, temp);
hashes.add(temp);
} else {
MerkleTreeNode temp = new MerkleTreeNode(i);
nodeMap.put(i, temp);
hashes.add(temp);
}
}
while (hashes.size() > 1) {
Vector<MerkleTreeNode> temp = new Vector<MerkleTreeNode>();
for (int i = 0; i < hashes.size(); i += 2) {
temp.add(MerkleTreeNode.combineDigestFactory(hashes.get(i), hashes.get(i + 1)));
}
hashes = temp;
}
root = hashes.get(0);
}
double oblicz_wage(int x1, int y1, int x2, int y2) {
double x = (double) Math.pow(Math.abs((x1 - x2)), 2);
double y = (double) Math.pow(Math.abs((y1 - y2)), 2);
double wynik = Math.sqrt(x + y) * 1000;
wynik = Math.round(wynik);
return (wynik / 1000);
}
/*
* We completed handling of a filtered block. Update false-positive estimate based
* on the total number of transactions in the original block.
*
* count includes filtered transactions, transactions that were passed in and were relevant
* and transactions that were false positives (i.e. includes all transactions in the block).
*/
protected void trackFilteredTransactions(int count) {
// Track non-false-positives in batch. Each non-false-positive counts as
// 0.0 towards the estimate.
//
// This is slightly off because we are applying false positive tracking before non-FP tracking,
// which counts FP as if they came at the beginning of the block. Assuming uniform FP
// spread in a block, this will somewhat underestimate the FP rate (5% for 1000 tx block).
double alphaDecay = Math.pow(1 - FP_ESTIMATOR_ALPHA, count);
// new_rate = alpha_decay * new_rate
falsePositiveRate = alphaDecay * falsePositiveRate;
double betaDecay = Math.pow(1 - FP_ESTIMATOR_BETA, count);
// trend = beta * (new_rate - old_rate) + beta_decay * trend
falsePositiveTrend =
FP_ESTIMATOR_BETA * count * (falsePositiveRate - previousFalsePositiveRate)
+ betaDecay * falsePositiveTrend;
// new_rate += alpha_decay * trend
falsePositiveRate += alphaDecay * falsePositiveTrend;
// Stash new_rate in old_rate
previousFalsePositiveRate = falsePositiveRate;
}
private long computeDsh3(double q) {
double t1num = 0.0;
double t1den = 0.0;
double t2num = 0.0;
double t2den = 0.0;
double qsq = q * q;
double _1qsq = 1.0 - qsq;
double _1q = 1.0 - q;
double _q1 = 1.0 + q;
for (long i = 1; i <= n; i++) {
double fi = (double) f.get(i);
double id = (double) i;
double _1qi = Math.pow(_1q, id);
double id_1 = (double) (i - 1);
t1num += id * qsq * Math.pow(_1qsq, id_1) * fi;
t1den += _1qi * (Math.pow(_q1, id) - 1.0) * fi;
t2num += _1qi * fi;
t2den += id * q * Math.pow(_1q, id_1) * fi;
}
double f1 = (double) (f.get(1));
double D = (double) dn + (f1 * (t1num / t1den) * ((t2num / t2den) * (t2num / t2den)));
return Math.round(D);
}
public static int gainKillExperience(Thing h, Thing t) {
int hlevel = h.getLevel();
int tlevel = t.getLevel();
int killcount = 0;
if (h.isHero()) {
killcount = incKillCount(t);
if (killcount == 1) {
Score.scoreFirstKill(t);
}
}
int base = t.getStat("XPValue");
double xp = base;
xp = xp * Math.pow(experienceDecay, killcount);
xp = xp * Math.pow(experienceLevelMultiplier, tlevel - 1);
// decrease xp gain for killing lower level monsters
if (hlevel > tlevel) xp = xp / (hlevel - tlevel);
int gain = (int) xp;
Hero.gainExperience(gain);
return gain;
}
public double distanciaEuclidiana(int x1, int x2, int y1, int y2) {
double a, b, c;
a = Math.pow(x2 - x1, 2);
b = Math.pow(y2 - y1, 2);
c = Math.sqrt(a + b);
return (c);
}
/**
* Computes and plots correlation functions
*
* @param tauMax is the maximum time for correlation functions
*/
public void computeCorrelation(int tauMax) {
plotFrame.clearData();
double energyAccumulator = 0, magnetizationAccumulator = 0;
double energySquaredAccumulator = 0, magnetizationSquaredAccumulator = 0;
for (int t = 0; t < numberOfPoints; t++) {
energyAccumulator += energy[t];
magnetizationAccumulator += magnetization[t];
energySquaredAccumulator += energy[t] * energy[t];
magnetizationSquaredAccumulator += magnetization[t] * magnetization[t];
}
double averageEnergySquared = Math.pow(energyAccumulator / numberOfPoints, 2);
double averageMagnetizationSquared = Math.pow(magnetizationAccumulator / numberOfPoints, 2);
// compute normalization factors
double normE = (energySquaredAccumulator / numberOfPoints) - averageEnergySquared;
double normM = (magnetizationSquaredAccumulator / numberOfPoints) - averageMagnetizationSquared;
for (int tau = 1; tau <= tauMax; tau++) {
double c_MAccumulator = 0;
double c_EAccumulator = 0;
int counter = 0;
for (int t = 0; t < numberOfPoints - tau; t++) {
c_MAccumulator += magnetization[t] * magnetization[t + tau];
c_EAccumulator += energy[t] * energy[t + tau];
counter++;
}
// correlation function defined so that c(0) = 1 and c(infinity) -> 0
plotFrame.append(0, tau, ((c_MAccumulator / counter) - averageMagnetizationSquared) / normM);
plotFrame.append(1, tau, ((c_EAccumulator / counter) - averageEnergySquared) / normE);
}
plotFrame.setVisible(true);
}
/** @return distance from this location to location with x and y coordinations */
public double getLength(double[] coordinations) {
double storage = Math.pow(coordinations[0] - this.coordinations[0], 2);
for (int i = 1; i < coordinations.length; i++) {
storage += Math.pow(coordinations[i] - this.coordinations[i], 2);
}
return Math.sqrt(storage);
}
public double getLength(List<Double> coordinations) {
double storage = Math.pow(coordinations.get(0) - this.coordinations[0], 2);
for (int i = 1; i < coordinations.size(); i++) {
storage += Math.pow(coordinations.get(i) - this.coordinations[i], 2);
}
return Math.sqrt(storage);
}
public double nextDouble() {
int c = read();
while (isSpaceChar(c)) c = read();
int sgn = 1;
if (c == '-') {
sgn = -1;
c = read();
}
double res = 0;
while (!isSpaceChar(c) && c != '.') {
if (c == 'e' || c == 'E') return res * Math.pow(10, nextInt());
if (c < '0' || c > '9') throw new InputMismatchException();
res *= 10;
res += c - '0';
c = read();
}
if (c == '.') {
c = read();
double m = 1;
while (!isSpaceChar(c)) {
if (c == 'e' || c == 'E') return res * Math.pow(10, nextInt());
if (c < '0' || c > '9') throw new InputMismatchException();
m /= 10;
res += (c - '0') * m;
c = read();
}
}
return res * sgn;
}
public void calc() {
System.out.println("Please Input tow primes:");
Scanner sc = new Scanner(System.in);
int p = sc.nextInt();
int q = sc.nextInt();
int n = p * q;
int s = (p - 1) * (q - 1);
int e, d;
for (e = 2; e < s; ++e) if (gcd(e, s) == 1) break;
e = 31;
for (d = 2; ; ++d) if (d * e % s == 1) break;
System.out.println("p\tq\tn\ts\te\td");
System.out.printf("%d\t%d\t%d\t%d\t%d\t%d\n", p, q, n, s, e, d);
System.out.println("Please Input M:");
int m = sc.nextInt();
long c = Math.round(Math.pow(m, e)) % n;
long mm = Math.round(Math.pow(c, d)) % n;
System.out.printf("After encrypt: %d\n", c);
System.out.printf("After decrypt: %d\n", mm);
}
private Double CosineSimilarity(HashMap<String, Double> table1, HashMap<String, Double> table2)
throws Exception {
if (table1.size() != table2.size()) {
throw new Exception("Table sizes must be equal");
}
// length of table 1
double length1 = 0;
double length2 = 0;
// Double firstValue;
double secValue;
// sum of vector multiplication
double svMul = 0;
for (Entry<String, Double> kv : table1.entrySet()) {
length1 += Math.pow(kv.getValue(), 2);
secValue = table2.get(kv.getKey());
length2 += Math.pow(secValue, 2);
svMul += secValue * kv.getValue();
}
length1 = Math.sqrt(length1);
length2 = Math.sqrt(length2);
return Double.parseDouble(NumericFormat.getNumberFormated(svMul / (length1 * length2)));
}
public Object getData(final WModelIndex index, int role) {
if (role != ItemDataRole.DisplayRole) {
return super.getData(index, role);
}
double delta_y = (this.yEnd_ - this.yStart_) / (this.getColumnCount() - 2);
if (index.getRow() == 0) {
if (index.getColumn() == 0) {
return 0.0;
}
return this.yStart_ + (index.getColumn() - 1) * delta_y;
}
double delta_x = (this.xEnd_ - this.xStart_) / (this.getRowCount() - 2);
if (index.getColumn() == 0) {
if (index.getRow() == 0) {
return 0.0;
}
return this.xStart_ + (index.getRow() - 1) * delta_x;
}
double x;
double y;
y = this.yStart_ + (index.getColumn() - 1) * delta_y;
x = this.xStart_ + (index.getRow() - 1) * delta_x;
return 4
* Math.sin(Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)))
/ Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
}
/**
* Fisher distribution
*
* @param f Fisher value
* @param n1 N1 value
* @param n2 N2 value
* @return P-value associated
*/
private static double FishF(double f, int n1, int n2) {
double x = n2 / (n1 * f + n2);
if ((n1 % 2) == 0) {
return StatCom(1 - x, n2, n1 + n2 - 4, n2 - 2) * Math.pow(x, n2 / 2.0);
}
if ((n2 % 2) == 0) {
return 1 - StatCom(x, n1, n1 + n2 - 4, n1 - 2) * Math.pow(1 - x, n1 / 2.0);
}
double th = Math.atan(Math.sqrt(n1 * f / (1.0 * n2)));
double a = th / (Math.PI / 2.0);
double sth = Math.sin(th);
double cth = Math.cos(th);
if (n2 > 1) {
a = a + sth * cth * StatCom(cth * cth, 2, n2 - 3, -1) / (Math.PI / 2.0);
}
if (n1 == 1) {
return 1 - a;
}
double c =
4 * StatCom(sth * sth, n2 + 1, n1 + n2 - 4, n2 - 2) * sth * Math.pow(cth, n2) / Math.PI;
if (n2 == 1) {
return 1 - a + c / 2.0;
}
int k = 2;
while (k <= (n2 - 1) / 2.0) {
c = c * k / (k - .5);
k = k + 1;
}
return 1 - a + c;
}
public void findTHS() {
int doubleRange = this.range * 2;
for (int i = 0; i < numNodes; i++) {
Node active = nodes.get(i);
for (int j = 0; j < numNodes; j++) {
Node toCheck = nodes.get(j);
if (i != j) {
// System.out.println("active x: " + active.getXLanePosition() + " active y: " +
// active.getyLanePosition());
// System.out.println("check y : " + toCheck.getXLanePosition() + " check y: " +
// toCheck.getyLanePosition());
int activeX = active.getXLanePosition();
int activeY = active.getyLanePosition();
int checkX = toCheck.getXLanePosition();
int checkY = toCheck.getyLanePosition();
double distance =
Math.sqrt(Math.pow((activeX - checkX), 2) + Math.pow((activeY - checkY), 2));
if (distance <= doubleRange) {
active.addToTHS(toCheck.getID());
}
}
}
}
}
/**
* Uses the Haversine formula to calculate the distnace between to lat-long coordinates
*
* @param latitude1 The first point's latitude
* @param longitude1 The first point's longitude
* @param latitude2 The second point's latitude
* @param longitude2 The second point's longitude
* @return The distance between the two points in meters
*/
public static double CalculateDistance(
double latitude1, double longitude1, double latitude2, double longitude2) {
/*
Haversine formula:
A = sin²(Δlat/2) + cos(lat1).cos(lat2).sin²(Δlong/2)
C = 2.atan2(√a, √(1−a))
D = R.c
R = radius of earth, 6371 km.
All angles are in radians
*/
double deltaLatitude = Math.toRadians(Math.abs(latitude1 - latitude2));
double deltaLongitude = Math.toRadians(Math.abs(longitude1 - longitude2));
double latitude1Rad = Math.toRadians(latitude1);
double latitude2Rad = Math.toRadians(latitude2);
double a =
Math.pow(Math.sin(deltaLatitude / 2), 2)
+ (Math.cos(latitude1Rad)
* Math.cos(latitude2Rad)
* Math.pow(Math.sin(deltaLongitude / 2), 2));
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return 6371 * c * 1000; // Distance in meters
}
// evaluate Fisher score of all indexes in current ^ featIndex
private double evaluateFisher(HashSet<Integer> current, int featIndex) {
ArrayList<Integer> d = new ArrayList<Integer>(current);
d.add(featIndex);
ArrayList<ArrayList<Integer>> vectors = new ArrayList<ArrayList<Integer>>();
for (int i = 0; i < getA().get_classes().size(); i++) {
ArrayList<ArrayList<Integer>> cl = getA().features.get(getA().get_classes().get(i));
ArrayList<Integer> tmp = new ArrayList<Integer>();
for (int j = 0; j < cl.size(); j++) {
int sum = 0;
for (int k = 0; k < d.size(); k++) sum += cl.get(j).get(d.get(k));
if (sum == d.size()) tmp.add(1);
else tmp.add(0);
}
vectors.add(tmp);
}
ArrayList<double[]> stats = new ArrayList<double[]>();
int count = 0;
double sum = 0.0;
for (int i = 0; i < vectors.size(); i++) {
double[] res = computeMeanVariance(vectors.get(i));
sum += (vectors.get(i).size() * res[0]);
count += vectors.get(i).size();
stats.add(res);
}
sum = sum / count;
double num = 0.0;
double denom = 0.0;
for (int i = 0; i < stats.size(); i++) {
num += (vectors.get(i).size() * Math.pow(stats.get(i)[0] - sum, 2));
denom += (vectors.get(i).size() * Math.pow(stats.get(i)[1], 2));
}
if (denom == 0.0) return 0;
else return num / denom;
}
/**
* This helper method calculates the repulsive forces acting on a node from all the other nodes in
* the graph. BIG O( number of nodes )
*
* <p>There is a repulsive force between every nodes depending on the distance separating them and
* their size.
*
* @param current node to calculate forces for.
*/
private void calculateNodeRepulsiveForces(Node current) {
Iterator<Node> inner = controller.getNodeIterator();
int current_radius, n_radius, dx, dy;
Node n;
current_radius =
(int) Math.sqrt(Math.pow(current.getWidth(), 2) + Math.pow(current.getHeight(), 2));
while (inner.hasNext()) {
n = inner.next();
if (n != current) {
dx = current.getX() - n.getX();
dy = current.getY() - n.getY();
n_radius = (int) Math.sqrt(Math.pow(n.getWidth(), 2) + Math.pow(n.getHeight(), 2));
// only repel if nodes are connected or within diameter * MAX_REPEL_DISTANCE
// if (Math.sqrt(dx * dx + dy * dy) < (Math.max(current_radius, n_radius) *
// MAX_REPEL_MULTIPLIER)) {
double l = (dx * dx + dy * dy) + .1;
if (l > 0) {
// current.setVX(current.getVX() + dx * (current_radius * SPACING) / l);
// current.setVY(current.getVY() + dy * (current_radius * SPACING) / l);
current.accelx += (dx * REPULSION / (l)) / current.weight;
current.accely += (dy * REPULSION / (l)) / current.weight;
// current.accelx += (dx * SPACING / (l * .5)) / current.weight;
// current.accely += (dy * SPACING / (l * .5)) / current.weight;
// n.accelx += (dx * SPACING / (l * -0.5)) / n.weight;
// n.accely += (dy * SPACING / (l * -0.5)) / n.weight;
}
// }
}
}
}
private static int adjust(int expectedOnMyMachine, long thisTiming, long ethanolTiming) {
// most of our algorithms are quadratic. sad but true.
double speed = 1.0 * thisTiming / ethanolTiming;
double delta = speed < 1 ? 0.9 + Math.pow(speed - 0.7, 2) : 0.45 + Math.pow(speed - 0.25, 2);
expectedOnMyMachine *= delta;
return expectedOnMyMachine;
}
public static Counter ConstrainedEig(SparseMatrix mat, SparseMatrix orthogMat) {
double trimEps = 0;
int iterLimit = 10000;
long start;
long end;
Counter vector = new Counter();
int vecLen = mat.colDim;
for (int i = 0; i < vecLen; i++) {
// vector.add(i, 1.0/Math.sqrt(vecLen));
vector.add(i, Math.random() - 0.5);
}
Counter oldVector = new Counter();
// vector = mat.multiply(vector);
// for(int r: orthogMat.rows){
// Counter orthogRow = orthogMat.getRow(r);
// vector.orthogonalize(orthogRow);
//// System.out.println(vector.dot(orthogRow));
// }
double norm = 0;
double sim = 0;
double diff = 1.0;
double diffNeg = 1.0;
int t = 0;
start = System.currentTimeMillis();
while (diff > Math.pow(10.0, -16.0) && diffNeg > Math.pow(10.0, -16.0) && t < iterLimit) {
t += 1;
// vector.trimKeys(trimEps);
oldVector = new Counter(vector);
vector = mat.multiply(vector);
for (int r : orthogMat.rows) {
Counter orthogRow = orthogMat.getRow(r);
// System.out.println("before: "+vector.dot(orthogRow));
vector.orthogonalize(orthogRow);
// System.out.println("after: "+vector.dot(orthogRow));
}
norm = 0;
norm = vector.norm();
vector.multiply(1.0 / norm);
diff = 0;
diffNeg = 0;
Set<Integer> vecOldUnion = vector.concreteKeySet();
vecOldUnion.addAll(oldVector.concreteKeySet());
for (int i : vecOldUnion) {
// for(int i = 0; i < mat.colDim; i++){
diff += (oldVector.get(i) - vector.get(i)) * (oldVector.get(i) - vector.get(i));
diffNeg += (oldVector.get(i) + vector.get(i)) * (oldVector.get(i) + vector.get(i));
}
sim = vector.dot(oldVector);
// System.out.println(diff+" "+diffNeg+" "+sim+" "+norm+"
// "+vector.dot(orthogMat.getRow(0)));
// System.out.println(vector.toString());
// System.out.println(oldVector.toString());
}
System.out.println(norm + " " + orthogMat.rows.size() + " " + sim);
// System.out.println(mat.toStringValues());
end = System.currentTimeMillis();
System.out.println("Time: " + (end - start) + " iterations: " + t);
return vector;
}
int integerBreak(int n) {
if (n == 2 || n == 3) return n - 1;
int div = n / 3;
int reminder = n % 3;
if (reminder == 1) return (int) Math.pow(3, div - 1) * 4;
else if (reminder == 0) return (int) Math.pow(3, div);
return (int) Math.pow(3, div) * 2;
}
static int distance(int[] pointA, int[] pointB) {
return (int)
Math.ceil( //
Math.sqrt( //
(Math.pow(pointB[0] - pointA[0], 2) //
+ Math.pow(pointB[1] - pointA[1], 2))));
}
protected static double Distance(List<Double> p1, List<Double> p2) {
double sumOfSquaredDifferences = 0.0;
for (int i = 0; i < p1.size(); i++) {
sumOfSquaredDifferences += Math.pow(p1.get(i) - p2.get(i), 2.0);
}
return Math.pow(sumOfSquaredDifferences, 0.5);
}
/**
* Find the distance between two characters
*
* @param Targ Target character
* @return distance
*/
public double Dist(GameObject Targ) {
// find x squared and y squared
double dx =
Math.pow(((X + W / 2 * GROWTHFACTOR) - (Targ.X + Targ.W / 2 * Targ.GROWTHFACTOR)), 2);
double dy =
Math.pow(((Y + H / 2 * GROWTHFACTOR) - (Targ.Y + Targ.H / 2 * Targ.GROWTHFACTOR)), 2);
// find distance
return (Math.sqrt(dx + dy));
}
/** Computes the power for each of the Spectrogram.SAMPLE_SIZE/2 frequency bins. */
private void computePower() {
for (int i = 0; i < Spectrogram.SAMPLE_SIZE; i += 2) {
double ai = Math.pow(transformedSamples[i], 2);
double bi = Math.pow(transformedSamples[i + 1], 2);
double power = ai + bi;
power = Math.sqrt(power);
freqPower[i / 2] = power;
}
}
/**
* The <code>deliverByte</code> method delivers bytes to receiver
*
* @param oneBitBeforeNow
*/
private void deliverByte(long oneBitBeforeNow) {
List<Transmission> it = getIntersection(oneBitBeforeNow - BYTE_SIZE);
if (it != null) { // there is a transmission
boolean one = false;
double rssi = 0.0;
double SNR = 0;
assert it.size() > 0;
for (Transmission t : it) {
if (one) { // more than one transmission
double I =
medium.arbitrator.computeReceivedPower(
t, Receiver.this, (int) clock.cyclesToMillis(clock.getCount()));
// add interference to received power in linear scale
rssi = 10 * Math.log10(Math.pow(10, rssi / 10) + Math.pow(10, I / 10));
SNR = SNR - I;
} else { // only one transmission - no interference -
one = true;
Pr =
medium.arbitrator.computeReceivedPower(
t, Receiver.this, (int) clock.cyclesToMillis(clock.getCount()));
Pn = medium.arbitrator.getNoise((int) clock.cyclesToMillis(clock.getCount()));
rssi = Pr;
SNR = Pr - Pn;
}
}
double snr = Math.pow(10D, (SNR / 10D));
// ebno = snr / spectral efficiency = snr / log(1 + snr)
double ebno = snr / Math.log(1 + snr);
// BER vs Ebno in AWGN channel
double x = Math.sqrt(2 * ebno);
double x2 = Math.pow(x, 2);
double BER = Math.exp(-x2 / 2) / (1.64D * x + Math.sqrt(0.76D * (x2) + 4D));
setBER(BER);
setRSSI(rssi);
// merge transmissions into a single byte and send it to receiver
// we return val in order to get rssi and corr value
char val =
medium.arbitrator.mergeTransmissions(
Receiver.this,
it,
oneBitBeforeNow - BYTE_SIZE,
(int) clock.cyclesToMillis(clock.getCount()));
// store high byte for corrupted bytes
int newval = (int) (val & 0xff00);
newval |= (int) (0xff & nextByte(true, (byte) val));
val = (char) newval;
if (probeList != null) probeList.fireAfterReceive(Receiver.this, val);
clock.insertEvent(this, cyclesPerByte);
} else { // no transmissions intersect
// all transmissions are over.
locked = false;
nextByte(false, (byte) 0);
if (probeList != null) probeList.fireAfterReceiveEnd(Receiver.this);
clock.insertEvent(this, leadCycles);
}
}
public int trailingZeroes(int n) {
int sum = 0;
int count = 1;
while ((n / Math.pow(5, count)) >= 1) {
sum = sum + n / (int) Math.pow(5, count);
count = count + 1;
}
return sum;
}
/**
* Calculates word order similarity between the sentences, with weighted words
*
* @param s1 sentence 1
* @param s2 sentence 2
* @param weights1 of sentence 1
* @param weights2 of sentence 2
* @return Word order similarity value
*/
public double orderSimilarity(
List<double[]> s1,
List<double[]> s2,
List<double[]> weights1,
List<double[]> weights2,
String sent2,
String unique) {
double[] s1Dist = s1.get(0);
double[] s1Friend = s1.get(1);
double[] s2Dist = s2.get(0);
double[] s2Friend = s2.get(1);
double[] r1 = new double[s1Dist.length];
double[] r2 = new double[s2Dist.length];
String[] sent = sent2.split(" ");
String[] un = unique.split(" ");
String word;
// Specifies word order vectors for either sentence.
// Threshold specifies that words can be seen as the same if similar enough
// If same word not found in unique sentence, the order value is 0
for (int i = 0; i < r1.length; i++) {
if (s1Dist[i] == 1.0) {
r1[i] = i + 1;
} else if (s1Dist[i] >= threshold) {
r1[i] = s1Friend[i] + 1;
} else {
r1[i] = 0;
}
}
for (int i = 0; i < r2.length; i++) {
if (s2Dist[i] == 1.0) {
word = un[i];
r2[i] = Arrays.asList(sent).indexOf(word) + 1;
} else if (s2Dist[i] >= threshold) {
r2[i] = s2Friend[i] + 1;
} else {
r2[i] = 0.0;
}
}
double numerator = 0.0;
double denominator = 0.0;
// Calculate order similarity while avoiding division by 0
for (int i = 0; i < r1.length; i++) {
numerator = numerator + Math.pow((r1[i] - r2[i]) * weights1.get(0)[i], 2);
denominator = denominator + Math.pow((r1[i] + r2[i]) * weights1.get(0)[i], 2);
}
numerator = Math.sqrt(numerator);
denominator = Math.sqrt(denominator);
if (denominator == 0.0) {
numerator = 1;
denominator = 1;
}
return numerator / denominator;
}
double fitnessFunction(Solution individual, double[] lambda) {
double fitness;
fitness = 0.0;
if (functionType_.equals("_TCHE1")) {
double maxFun = -1.0e+30;
for (int n = 0; n < problem_.getNumberOfObjectives(); n++) {
double diff = Math.abs(individual.getObjective(n) - z_[n]);
double feval;
if (lambda[n] == 0) {
feval = 0.0001 * diff;
} else {
feval = diff * lambda[n];
}
if (feval > maxFun) {
maxFun = feval;
}
} // for
fitness = maxFun;
} // if
else if (functionType_.equals("_AGG")) {
double sum = 0.0;
for (int n = 0; n < problem_.getNumberOfObjectives(); n++) {
sum += (lambda[n]) * individual.getObjective(n);
}
fitness = sum;
} else if (functionType_.equals("_PBI")) {
double d1, d2, nl;
double theta = 5.0;
d1 = d2 = nl = 0.0;
for (int i = 0; i < problem_.getNumberOfObjectives(); i++) {
d1 += (individual.getObjective(i) - z_[i]) * lambda[i];
nl += Math.pow(lambda[i], 2.0);
}
nl = Math.sqrt(nl);
d1 = Math.abs(d1) / nl;
for (int i = 0; i < problem_.getNumberOfObjectives(); i++) {
d2 += Math.pow((individual.getObjective(i) - z_[i]) - d1 * (lambda[i] / nl), 2.0);
}
d2 = Math.sqrt(d2);
fitness = (d1 + theta * d2);
} else {
System.out.println("MOEAD.fitnessFunction: unknown type " + functionType_);
System.exit(-1);
}
return fitness;
} // fitnessEvaluation
public static void main(String[] args) throws Throwable {
double begin = System.currentTimeMillis();
/*File file = new File(args[0]);
BufferedReader buffer = new BufferedReader(new FileReader(file));
String line;
while ((line = buffer.readLine()) != null) {
int digits = Integer.parseInt(line);
*/
int digits = 10;
int count = 1;
int iterations = 0;
int limit = (int) Math.pow((double) 10, (double) digits);
// start at the first lucky number besides 0 for 6 digits: 0 0 1 | 0 0 1
int start = (int) Math.pow((double) 10, (double) (digits / 2));
System.out.println("start: " + start + " and limit: " + limit);
for (int i = start + 1; i < limit; i++) {
iterations++;
int current = i;
int[] number = new int[digits];
int len = number.length;
int index = len - 1;
// populate array with values
while (current > 0) {
number[index] = current % 10;
current /= 10;
index--;
}
if (!sidesEqual(number)) continue;
// percentage of "hits" is very small. this way it only runs the sidesEqual method once
// instead of twice
/*
* Step 2: Test that each side is equal. If they are, and the last digit is 0, proceed normally
*/
else if (sidesEqual(number) && number[len - 1] == 0) {
// System.out.println("sides match and last digit 0");
count++;
}
/*
* Step 2b: If both sides match but the last digit is NOT ZERO,
* then the next occurance (if it exists) will be exactly 9 numbers after the current i
*/
else if (sidesEqual(number)) {
// System.out.println("Sides match, last digit is not zero");
count++;
i += 8; // (8 since 1 will be added at the end of this iteration or for loop)
}
} // end for loop
System.out.println("count: " + count + " and iterations: " + iterations);
// } //end while
System.out.println("runtime in seconds: " + (System.currentTimeMillis() - begin) / 1000);
} // end main method
