public static String formatByte(long l) {
String s = "0 KB";
if (l <= 0x100000L) {
BigDecimal bigdecimal = new BigDecimal(l);
BigDecimal bigdecimal1 = new BigDecimal(1024);
RoundingMode roundingmode = RoundingMode.CEILING;
String s1 = String.valueOf(bigdecimal.divide(bigdecimal1, 0, roundingmode).toString());
s = (new StringBuilder(s1)).append(" KB").toString();
} else {
if (l >= 0x40000000L) {
BigDecimal bigdecimal2 = new BigDecimal(l);
BigDecimal bigdecimal3 = new BigDecimal(0x40000000);
RoundingMode roundingmode1 = RoundingMode.CEILING;
String s2 = String.valueOf(bigdecimal2.divide(bigdecimal3, 2, roundingmode1).toString());
s = (new StringBuilder(s2)).append(" G").toString();
} else {
BigDecimal bigdecimal4 = new BigDecimal(l);
BigDecimal bigdecimal5 = new BigDecimal(0x100000);
RoundingMode roundingmode2 = RoundingMode.CEILING;
String s3 = String.valueOf(bigdecimal4.divide(bigdecimal5, 2, roundingmode2).toString());
s = (new StringBuilder(s3)).append(" MB").toString();
}
}
return s;
}
public static ArrayList<BigDecimal> factors(BigDecimal query) {
if (query.equals(new BigDecimal("0"))) {
return null;
}
ArrayList<BigDecimal> factors = new ArrayList<BigDecimal>();
BigDecimal sqrt = sqrt(query);
if (sqrt.remainder(new BigDecimal("1")).equals(new BigDecimal("0"))) {
factors.add(sqrt);
}
for (float i = 1; i < sqrt.floatValue(); i++) {
// simplifying assumption
if (factors.size() > 2) {
break;
}
String m = Float.toString(i);
BigDecimal otherFactor = query.divide(new BigDecimal(m), MathContext.DECIMAL128);
if (query
.divide(new BigDecimal(m), MathContext.DECIMAL128)
.remainder(new BigDecimal(1))
.floatValue()
== 0) {
factors.add(new BigDecimal(m));
factors.add(query.divide(new BigDecimal(m)));
}
}
return factors;
}
/**
* Calculate the mean course grade (whether entered or calulated) as a percentage for all
* enrollments, leaving students who've explicitly been given non-percentage-valued manual-only
* course grades (such as "I" for incomplete) or null scores out of the calculation.
*/
public void calculateStatistics(Collection<CourseGradeRecord> gradeRecords, int numEnrollments) {
// Ungraded but enrolled students count as if they have 0% in the course.
int numScored = numEnrollments - gradeRecords.size();
BigDecimal total = new BigDecimal("0");
BigDecimal average = new BigDecimal("0");
for (CourseGradeRecord record : gradeRecords) {
Double score = record.getGradeAsPercentage();
// Skip manual-only course grades.
if ((record.getEnteredGrade() != null) && (score == null)) {
continue;
}
if (score != null && record.getPointsEarned() != null) {
average = average.add(new BigDecimal(record.getPointsEarned().toString()));
total = total.add(new BigDecimal(score.toString()));
numScored++;
}
// numScored++;
}
if (numScored == 0) {
mean = null;
averageScore = null;
} else {
mean =
Double.valueOf(
total.divide(new BigDecimal(numScored), GradebookService.MATH_CONTEXT).doubleValue());
averageScore =
Double.valueOf(
average
.divide(new BigDecimal(numScored), GradebookService.MATH_CONTEXT)
.doubleValue());
}
}
public static BigDecimal get(final BigDecimal n) {
// Make sure n is a positive number
if (n.compareTo(ZERO) <= 0) {
throw new IllegalArgumentException();
}
final BigDecimal initialGuess = getInitialApproximation(n);
BigDecimal lastGuess = ZERO;
BigDecimal guess = new BigDecimal(initialGuess.toString());
// Iterate
iterations = 0;
boolean more = true;
while (more) {
lastGuess = guess;
guess = n.divide(guess, scale, BigDecimal.ROUND_HALF_UP);
guess = guess.add(lastGuess);
guess = guess.divide(TWO, scale, BigDecimal.ROUND_HALF_UP);
error = n.subtract(guess.multiply(guess));
if (++iterations >= maxIterations) {
more = false;
} else if (lastGuess.equals(guess)) {
more = error.abs().compareTo(ONE) >= 0;
}
}
return guess;
}
public static EastNorth getCentroid(List<Node> nodes) {
// Compute the centroid of nodes
BigDecimal area = new BigDecimal(0);
BigDecimal north = new BigDecimal(0);
BigDecimal east = new BigDecimal(0);
// See http://en.wikipedia.org/w/index.php?title=Centroid&oldid=294224857#Centroid_of_polygon
// for the equation used here
for (int i = 0; i < nodes.size(); i++) {
EastNorth n0 = nodes.get(i).getEastNorth();
EastNorth n1 = nodes.get((i + 1) % nodes.size()).getEastNorth();
BigDecimal x0 = new BigDecimal(n0.east());
BigDecimal y0 = new BigDecimal(n0.north());
BigDecimal x1 = new BigDecimal(n1.east());
BigDecimal y1 = new BigDecimal(n1.north());
BigDecimal k =
x0.multiply(y1, MathContext.DECIMAL128).subtract(y0.multiply(x1, MathContext.DECIMAL128));
area = area.add(k, MathContext.DECIMAL128);
east = east.add(k.multiply(x0.add(x1, MathContext.DECIMAL128), MathContext.DECIMAL128));
north = north.add(k.multiply(y0.add(y1, MathContext.DECIMAL128), MathContext.DECIMAL128));
}
BigDecimal d = new BigDecimal(3, MathContext.DECIMAL128); // 1/2 * 6 = 3
area = area.multiply(d, MathContext.DECIMAL128);
if (area.compareTo(BigDecimal.ZERO) != 0) {
north = north.divide(area, MathContext.DECIMAL128);
east = east.divide(area, MathContext.DECIMAL128);
}
return new EastNorth(east.doubleValue(), north.doubleValue());
}
public static String bytes2kb(long bytes) {
BigDecimal filesize = new BigDecimal(bytes);
BigDecimal megabyte = new BigDecimal(1024 * 1024);
float returnValue = filesize.divide(megabyte, 2, BigDecimal.ROUND_UP).floatValue();
if (returnValue > 1) return (returnValue + "MB");
BigDecimal kilobyte = new BigDecimal(1024);
returnValue = filesize.divide(kilobyte, 2, BigDecimal.ROUND_UP).floatValue();
return (returnValue + "KB");
}
/**
* Ver onde sao guardados os StudentInquiries (QUC): ir por CurricularCourses
*
* <p>1. Extrair o ED 2. A partir do ED extrair duas collections: CourseResults e TeacherResults
* 3. Magia para tirar um score desses results (ainda nao sei o q possa ser esse score. vou
* extrair o 'average_NDE' e 'average_P6_1' apenas a titulo de exemplo. nao tem qq valor real. os
* values sao em double, passar a BigDecimals e trabalhar sempre neste format). 4. Aplicar 50% à
* media do score de todos os CourseResults e 50% à media do score de todos os TeacherResults 5.
* Mostrar esse score.
*/
private String generateQUCResults(YearViewBean bean) {
ExecutionDegree executionDegree =
ExecutionDegree.getByDegreeCurricularPlanAndExecutionYear(
bean.getDegreeCurricularPlan(), bean.getExecutionYear());
Set<StudentInquiriesCourseResult> courseResults =
executionDegree.getStudentInquiriesCourseResultsSet();
Set<StudentInquiriesTeachingResult> teachingResults =
executionDegree.getStudentInquiriesTeachingResultsSet();
BigDecimal sigmaCR = new BigDecimal(0);
BigDecimal cardinalityCR = new BigDecimal(0);
BigDecimal averageCR = new BigDecimal(0);
BigDecimal sigmaTR = new BigDecimal(0);
BigDecimal cardinalityTR = new BigDecimal(0);
BigDecimal averageTR = new BigDecimal(0);
BigDecimal partialCourse = new BigDecimal(0);
BigDecimal partialTeaching = new BigDecimal(0);
String result;
for (StudentInquiriesCourseResult courseResult : courseResults) {
BigDecimal converted =
new BigDecimal(courseResult.getAverage_NDE() != null ? courseResult.getAverage_NDE() : 0);
sigmaCR = sigmaCR.add(converted);
cardinalityCR = cardinalityCR.add(BigDecimal.ONE);
}
if (cardinalityCR.compareTo(BigDecimal.ZERO) != 0) {
averageCR = sigmaCR.divide(cardinalityCR, 4, RoundingMode.HALF_EVEN);
} else {
averageCR = BigDecimal.ZERO;
}
for (StudentInquiriesTeachingResult teachingResult : teachingResults) {
BigDecimal converted =
new BigDecimal(
teachingResult.getAverage_P6_1() != null ? teachingResult.getAverage_P6_1() : 0);
sigmaTR = sigmaTR.add(converted);
cardinalityTR = cardinalityTR.add(BigDecimal.ONE);
}
if (cardinalityCR.compareTo(BigDecimal.ZERO) != 0) {
averageTR = sigmaTR.divide(cardinalityTR, 4, RoundingMode.HALF_EVEN);
} else {
averageTR = BigDecimal.ZERO;
}
partialCourse = averageCR.divide(new BigDecimal(2), 2, RoundingMode.HALF_EVEN);
partialTeaching = averageTR.divide(new BigDecimal(2), 2, RoundingMode.HALF_EVEN);
result = partialCourse.add(partialTeaching).toPlainString();
return result;
}
/**
* Calculate Grade Factor. Checked against "Introduction to the Scheduler Log" white paper
*
* @param schedule
* @return Grade factor for the schedule
*/
public BigDecimal calcGrade(ScheduleWrapper schedule) {
// 1 - gradeFactor*(1 - rawGradeFactor)
BigDecimal sum = new BigDecimal(0, MathContext.DECIMAL32);
for (Iterator<Job> it = schedule.getJobs().iterator(); it.hasNext(); ) {
Job job = it.next();
Integer iLevel = schedule.getSkillLevel(job.getSkillTypeRef().getId());
if (iLevel == null) {
// FIXME: If a job is put on the work schedule, and then the skill for that job is deleted
// from the worker,
// schedule.getSkillLevel will return null. The job is no longer valid for the work
// schedule, and should
// be removed. There are two places that this removal should occur:
// 1. When the user deletes a skill from a worker, a check should be made to see if any jobs
// on the worker's
// current schedule have that skill. The user can then decide to abort, or delete the
// skill and remove
// the jobs from the schedule.
// 2. When data is being prepared for the Scheduler, the data should be examined to see if
// the person's skills
// match the jobs on the schedules for that person, and remove any jobs which require
// skills the person
// does not have.
//
// i.e. the fix for invalid data should not be done here. This code just catches the cases
// where the data clean
// was not performed prior to calling this code.
//
log(
"Worker does not have skill '"
+ job.getSkillTypeRef().getDescription()
+ "', though job "
+ job.getId()
+ " requires it.");
continue;
}
int schedSkillLevel = iLevel;
// # grades worker skill level is over job skill level
BigDecimal over =
new BigDecimal(
schedSkillLevel - job.getSkillLevelRef().getValue(), MathContext.DECIMAL32);
// 1 - (over/maxGrade)
BigDecimal penalty =
new BigDecimal(1).subtract(over.divide(new BigDecimal(maxGrade), MathContext.DECIMAL32));
BigDecimal ptime = new BigDecimal(job.getEstimatedTime().intValue(), MathContext.DECIMAL32);
BigDecimal ptimepenalty = ptime.multiply(penalty);
sum = sum.add(ptimepenalty);
}
BigDecimal prodTime =
new BigDecimal(schedule.getProductiveTime(), MathContext.DECIMAL32).multiply(ONEHUNDRED);
// sum/(scheduleProdTime Hundredths)
BigDecimal rawGradeFactor = sum.divide(prodTime, MathContext.DECIMAL32);
BigDecimal oneMinusRawGrade = new BigDecimal(1).subtract(rawGradeFactor);
BigDecimal result = new BigDecimal(1).subtract(gradeFactor.multiply(oneMinusRawGrade));
return result;
}
public static BigDecimal operator_divide(Number x, Number y) {
BigDecimal xValue = numberToBigDecimal(x);
BigDecimal yValue = numberToBigDecimal(y);
if (xValue == null) {
return NULL_DEFINITION.divide(yValue, 8, RoundingMode.HALF_UP);
} else if (yValue == null) {
return xValue.divide(NULL_DEFINITION, 8, RoundingMode.HALF_UP); // throws an exception
} else {
return xValue.divide(yValue, 8, RoundingMode.HALF_UP);
}
}
public static BigDecimal sqrt(BigDecimal b) {
BigDecimal half = new BigDecimal(1d / 2d);
BigDecimal value = b;
BigDecimal precision = new BigDecimal(10e-150);
while (value
.subtract(b.divide(value, 300, RoundingMode.HALF_UP))
.compareTo(precision.multiply(value))
> 0) {
value = half.multiply(value.add(b.divide(value, 300, RoundingMode.HALF_UP)));
}
return value;
}
public static MOrderLine createOrderLine(
Properties ctx,
MOrder order,
int productId,
BigDecimal qty,
BigDecimal discount,
BigDecimal lineNet)
throws OperationException {
if (qty == null) {
qty = Env.ONE;
}
MOrderLine orderLine = new MOrderLine(order);
MProduct product = new MProduct(ctx, productId, order.get_TrxName());
MTax tax =
TaxManager.getTaxFromCategory(ctx, product.getC_TaxCategory_ID(), order.get_TrxName());
orderLine.setC_Tax_ID(tax.get_ID());
orderLine.setC_UOM_ID(product.getC_UOM_ID());
orderLine.setC_BPartner_ID(order.getC_BPartner_ID());
// Must set Product Id before quantity Ordered.
orderLine.setM_Product_ID(productId);
orderLine.setQty(qty);
orderLine.setPrice();
// Bug fix, set price to 2dp
MPriceList orderPriceList = MPriceList.get(ctx, order.getM_PriceList_ID(), order.get_TrxName());
if (!orderPriceList.isTaxIncluded()) {
BigDecimal taxAmt = tax.calculateTax(lineNet, true, 12);
BigDecimal lineNetWithoutTax = lineNet.subtract(taxAmt);
orderLine.setLineNetAmt(lineNetWithoutTax);
BigDecimal unitPriceWithoutTax =
lineNetWithoutTax.divide(qty, 12, BigDecimal.ROUND_HALF_DOWN);
orderLine.setPriceEntered(unitPriceWithoutTax.setScale(2, BigDecimal.ROUND_HALF_UP));
orderLine.setPriceActual(unitPriceWithoutTax.setScale(2, BigDecimal.ROUND_HALF_UP));
} else {
BigDecimal unitPrice = lineNet.divide(qty, 12, BigDecimal.ROUND_HALF_DOWN);
orderLine.setLineNetAmt(lineNet.setScale(2, BigDecimal.ROUND_HALF_UP));
orderLine.setPriceEntered(unitPrice.setScale(2, BigDecimal.ROUND_HALF_UP));
orderLine.setPriceActual(unitPrice.setScale(2, BigDecimal.ROUND_HALF_UP));
}
if (discount.doubleValue() != 0.0) {
orderLine.setDiscount();
}
PoManager.save(orderLine);
return orderLine;
}
// Newton's method for sqrt
public static BigDecimal sqrt(BigDecimal A, final int SCALE) {
BigDecimal x0 = new BigDecimal("0");
BigDecimal x1 = new BigDecimal(Math.sqrt(A.doubleValue()));
while (!x0.equals(x1)) {
x0 = x1;
x1 = A.divide(x0, SCALE, BigDecimal.ROUND_HALF_UP);
x1 = x1.add(x0);
x1 = x1.divide(TWO, SCALE, BigDecimal.ROUND_HALF_UP);
}
return x1;
}
private CalculCotisationAvsAiApgSalarie(
int annee, BigDecimal tauxAVS, BigDecimal tauxAI, BigDecimal tauxAPG) {
super(annee);
this.tauxAVS = tauxAVS;
BigDecimal deux = new BigDecimal(2);
this.demiTauxAVS = tauxAVS.divide(deux);
this.tauxAI = tauxAI;
this.demiTauxAI = tauxAI.divide(deux);
this.tauxAPG = tauxAPG;
this.demiTauxAPG = tauxAPG.divide(deux);
this.tauxTotal = tauxAVS.add(tauxAI).add(tauxAPG);
this.demiTauxTotal = demiTauxAVS.add(demiTauxAI).add(demiTauxAPG);
}
public static BigDecimal getDistanceFromSpeedAndTime(
final BigDecimal speedInMPH, final long timeInMilliseconds) {
final BigDecimal timeInSeconds =
BigDecimal.valueOf(timeInMilliseconds)
.divide(Converter.THOUSAND, Converter.BIGDECIMAL_SCALE, Converter.BIGDECIMAL_ROUNDING);
final BigDecimal timeInMinutes =
timeInSeconds.divide(
Converter.SIXTY, Converter.BIGDECIMAL_SCALE, Converter.BIGDECIMAL_ROUNDING);
final BigDecimal timeInHours =
timeInMinutes.divide(
Converter.SIXTY, Converter.BIGDECIMAL_SCALE, Converter.BIGDECIMAL_ROUNDING);
return speedInMPH.multiply(timeInHours);
}
public void generarItemCuentaCorriente(MovimientoProveedor m) throws ExcepcionGeneralSistema {
if (m.getCondicionDePago() == null) {
throw new ExcepcionGeneralSistema("La condición de pago no puede estar vacía");
}
if (m.getItemTotal() == null || m.getItemTotal().isEmpty()) {
throw new ExcepcionGeneralSistema(
"Item total no fue generado, nada para agregar a la cuenta corriente");
}
m.getItemCuentaCorriente().clear();
BigDecimal importeTotal = m.getItemTotal().get(0).getImporte();
//
// System.err.println("importeTotal para cuenta corriente"+importeTotal);
for (ItemCondicionPagoProveedor icp : m.getCondicionDePago().getCuotas()) {
BigDecimal impoteCuota =
importeTotal.multiply(icp.getPorcentaje()).divide(new BigDecimal(100), RoundingMode.UP);
Calendar fechaVencimiento = Calendar.getInstance();
fechaVencimiento.add(Calendar.DAY_OF_YEAR, icp.getDiasDePago());
AplicacionCuentaCorrienteProveedor icc = new AplicacionCuentaCorrienteProveedor();
icc.setMovimiento(m);
icc.setMovimientoAplicacion(m);
icc.setCuota(icp.getCuotas());
icc.setProveedor(m.getProveedor());
icc.setNroSubcuenta(m.getProveedorCuentaCorriente().getNrocta());
icc.setCodigoImputacion("CC");
icc.setMonedaSecundaria(m.getMonedaSecundaria());
icc.setCotizacion(m.getCotizacion());
if (m.getComprobante().getSignoAplicacionCuentaCorriente().equals("+")) {
icc.setImporte(impoteCuota);
icc.setImporteSecundario(impoteCuota.divide(m.getCotizacion(), RoundingMode.UP));
} else {
icc.setImporte(importeTotal.negate());
icc.setImporteSecundario((impoteCuota.divide(m.getCotizacion(), RoundingMode.UP)).negate());
}
icc.setFechaAplicacion(new Date());
icc.setFechaVencimiento(fechaVencimiento.getTime());
m.getItemCuentaCorriente().add(icc);
}
}
public PercentType[] toRGB() {
PercentType red = null;
PercentType green = null;
PercentType blue = null;
BigDecimal h = hue.divide(new BigDecimal(100), 10, BigDecimal.ROUND_HALF_UP);
BigDecimal s = saturation.divide(new BigDecimal(100));
int h_int =
h.multiply(new BigDecimal(5))
.divide(new BigDecimal(3), 10, BigDecimal.ROUND_HALF_UP)
.intValue();
BigDecimal f =
h.multiply(new BigDecimal(5))
.divide(new BigDecimal(3), 10, BigDecimal.ROUND_HALF_UP)
.remainder(BigDecimal.ONE);
PercentType a = new PercentType(value.multiply(BigDecimal.ONE.subtract(s)));
PercentType b = new PercentType(value.multiply(BigDecimal.ONE.subtract(s.multiply(f))));
PercentType c =
new PercentType(
value.multiply(BigDecimal.ONE.subtract((BigDecimal.ONE.subtract(f)).multiply(s))));
if (h_int == 0 || h_int == 6) {
red = getBrightness();
green = c;
blue = a;
} else if (h_int == 1) {
red = b;
green = getBrightness();
blue = a;
} else if (h_int == 2) {
red = a;
green = getBrightness();
blue = c;
} else if (h_int == 3) {
red = a;
green = b;
blue = getBrightness();
} else if (h_int == 4) {
red = c;
green = a;
blue = getBrightness();
} else if (h_int == 5) {
red = getBrightness();
green = a;
blue = b;
} else {
throw new RuntimeException();
}
return new PercentType[] {red, green, blue};
}
public static void main(String[] args) {
BigDecimal f1 = new BigDecimal("0.05");
BigDecimal f2 = BigDecimal.valueOf(0.01);
BigDecimal f3 = new BigDecimal(0.05);
System.out.println("使用String作为BigDecimal构造器参数：");
System.out.println("0.05 + 0.01 = " + f1.add(f2));
System.out.println("0.05 - 0.01 = " + f1.subtract(f2));
System.out.println("0.05 * 0.01 = " + f1.multiply(f2));
System.out.println("0.05 / 0.01 = " + f1.divide(f2));
System.out.println("使用double作为BigDecimal构造器参数：");
System.out.println("0.05 + 0.01 = " + f3.add(f2));
System.out.println("0.05 - 0.01 = " + f3.subtract(f2));
System.out.println("0.05 * 0.01 = " + f3.multiply(f2));
System.out.println("0.05 / 0.01 = " + f3.divide(f2));
}
public int getTechValue() {
// Make sure we have units.
if (getNumberUnits().compareTo(BigDecimal.ZERO) == 0) {
return 0;
}
// Number of high-tech units is equal to the number of IS2 units plus twice the number of Clan
// units.
BigDecimal highTechNumber = new BigDecimal(getCountIS2() + (getCountClan() * 2));
// Conventional infantry does not count.
int numberUnits =
getFighterCount()
+ getNumberBaSquads()
+ getMechCount()
+ getLightVeeCount()
+ getNumberOther();
if (numberUnits <= 0) {
return 0;
}
// Calculate the percentage of high-tech units.
setHighTechPercent(highTechNumber.divide(new BigDecimal(numberUnits), PRECISION, HALF_EVEN));
setHighTechPercent(getHighTechPercent().multiply(ONE_HUNDRED));
// Cannot go above 100 percent.
if (getHighTechPercent().compareTo(ONE_HUNDRED) > 0) {
setHighTechPercent(ONE_HUNDRED);
}
// Score is calculated from percentage above 30%.
BigDecimal scoredPercent = getHighTechPercent().subtract(new BigDecimal(30));
// If we have a negative value (hi-tech percent was < 30%) return a value of zero.
if (scoredPercent.compareTo(BigDecimal.ZERO) <= 0) {
return 0;
}
// Round down to the nearest whole percentage.
scoredPercent = scoredPercent.setScale(0, RoundingMode.DOWN);
// Add +5 points for every 10% remaining.
BigDecimal oneTenth = scoredPercent.divide(new BigDecimal(10), PRECISION, HALF_EVEN);
BigDecimal score = oneTenth.multiply(new BigDecimal(5));
return score.intValue();
}
private void obtenerPrecio(java.math.BigDecimal valorRetorno) {
java.math.BigDecimal parcial =
new java.math.BigDecimal(valorRetorno == null ? "0.00" : valorRetorno.toString().trim());
java.math.BigDecimal cantidad =
new java.math.BigDecimal(
tabla.getValueAt(fila, buscarColumna("Cantidad", tabla)).toString().trim().isEmpty()
? "1.00"
: tabla.getValueAt(fila, buscarColumna("Cantidad", tabla)).toString().trim());
java.math.BigDecimal precio = parcial.divide(cantidad, 15, java.math.RoundingMode.HALF_EVEN);
java.math.BigDecimal porcentaje =
new java.math.BigDecimal(
tabla.getValueAt(fila, buscarColumna("%", tabla)).toString().trim().isEmpty()
? "1.00"
: tabla.getValueAt(fila, buscarColumna("%", tabla)).toString().trim());
java.math.BigDecimal valorPorcentaje =
parcial.multiply(porcentaje).divide(new java.math.BigDecimal("100.00"));
java.math.BigDecimal valorsubTotal = parcial.subtract(valorPorcentaje);
tabla.setValueAt(precio, fila, buscarColumna("Precio", tabla));
tabla.setValueAt(valorPorcentaje, fila, buscarColumna("Descuento", tabla));
tabla.setValueAt(valorsubTotal, fila, buscarColumna("Subtotal", tabla));
tabla.updateUI();
}
private static BigInteger getNearby(BigInteger significand, int binExp, int offset) {
int nExtraBits = 1;
int nDec = (int) Math.round(3.0 + (64 + nExtraBits) * Math.log10(2.0));
BigInteger newFrac = significand.shiftLeft(nExtraBits).add(BigInteger.valueOf(offset));
int gg = 64 + nExtraBits - binExp - 1;
BigDecimal bd = new BigDecimal(newFrac);
if (gg > 0) {
bd = bd.divide(new BigDecimal(BigInteger.ONE.shiftLeft(gg)));
} else {
BigInteger frac = newFrac;
while (frac.bitLength() + binExp < 180) {
frac = frac.multiply(BigInteger.TEN);
}
int binaryExp = binExp - newFrac.bitLength() + frac.bitLength();
bd = new BigDecimal(frac.shiftRight(frac.bitLength() - binaryExp - 1));
}
int excessPrecision = bd.precision() - nDec;
if (excessPrecision > 0) {
bd = bd.setScale(bd.scale() - excessPrecision, BigDecimal.ROUND_HALF_UP);
}
return bd.unscaledValue();
}
/**
* Calculate Used Time. Checked against "Introduction to the Scheduler Log" white paper
*
* @param schedule
* @return Used time
*/
public BigDecimal usedTime(ScheduleWrapper schedule) {
// productiveTime / totalTime
BigDecimal productive = new BigDecimal(schedule.getProductiveTime(), MathContext.DECIMAL32);
BigDecimal divisor = new BigDecimal(schedule.getTotalTime(), MathContext.DECIMAL32);
BigDecimal result = productive.divide(divisor, MathContext.DECIMAL32);
return result;
}
private static JsonValue decimalEval(JsonNumber v1, JsonNumber v2, int op) {
BigDecimal n1 = v1.decimalValue();
BigDecimal n2 = v2.decimalValue();
BigDecimal n3;
switch (op) {
case PLUS:
{
n3 = n1.add(n2, MathContext.DECIMAL128);
break;
}
case MINUS:
{
n3 = n1.subtract(n2, MathContext.DECIMAL128);
break;
}
case MULTIPLY:
{
n3 = n1.multiply(n2, MathContext.DECIMAL128);
break;
}
case DIVIDE:
{
try {
n3 = n1.divide(n2, MathContext.DECIMAL128);
} catch (ArithmeticException e) {
// TODO: need +INF, -INF, and NaN
return null;
}
break;
}
default:
throw new RuntimeException("invalid op:" + op);
}
return new JsonDecimal(n3);
}
private BigDecimal popResult() {
if (operand1 == null || operand2 == null || operation == null) {
clear();
return ZERO;
}
BigDecimal result = null;
switch (operation) {
case PLUS:
result = operand2.add(operand1);
break;
case MINUS:
result = operand2.subtract(operand1);
break;
case MULTIPLY:
result = operand2.multiply(operand1);
break;
case DIVIDE:
try {
result = operand2.divide(operand1, DECIMAL32);
} catch (ArithmeticException e) {
result = ZERO;
}
break;
default:
throw new IllegalStateException();
}
clearOnDigit = true;
negativeNumber = false;
operand1 = result;
operand2 = null;
operation = null;
return result;
}
public BigDecimal previsao(BigDecimal total, String periodo) {
BigDecimal diaUteis = BigDecimal.ONE;
int diasUlteisTotal = diasUteis(true, periodo);
int diasUlteisDecorridos = diasUteis(false, periodo);
if (diasUlteisDecorridos < 2) {
return BigDecimal.ZERO;
} else {
diaUteis = new BigDecimal(diasUlteisDecorridos);
diaUteis = diaUteis.subtract(BigDecimal.ONE);
}
BigDecimal mediaDiaria;
if (total != null) {
mediaDiaria =
total.divide(
diaUteis.compareTo(BigDecimal.ZERO) == 0 ? BigDecimal.ONE : diaUteis,
2,
RoundingMode.HALF_UP);
} else {
mediaDiaria = BigDecimal.ZERO;
}
return mediaDiaria.multiply(new BigDecimal(diasUlteisTotal));
}
public static void main(String[] args) throws ParseException {
// ZoneId america = ZoneId.of("America/New_York");
// ZoneId zone0 = ZoneId.of("UTC+00:00");
// ZoneId zone8 = ZoneId.of("UTC+08:00");
// ZoneOffset offset = ZoneOffset.UTC;
// LocalDateTime nowOfHere = LocalDateTime.now();
// ZonedDateTime timePoint8 =ZonedDateTime.of(nowOfHere, zone8);
// ZonedDateTime timePoint0 = timePoint8.withZoneSameInstant(zone0);
//
// System.out.println(timePoint8);
// System.out.println(timePoint0);
double f1 = 299.0F / 31;
double f2 = f1 * 31;
System.out.println(f1);
System.out.println(f2);
System.out.println(f2 == 299.0d);
if (f2 - 299.0 < 0.0001) {
System.out.println("equals");
}
BigDecimal bd1 = new BigDecimal(299);
BigDecimal bd2 = bd1.divide(new BigDecimal(31), 5, BigDecimal.ROUND_CEILING);
BigDecimal bd3 = bd2.multiply(new BigDecimal(31));
System.out.println(bd1);
System.out.println(bd2);
System.out.println(bd3);
System.out.println(bd1.equals(bd3));
}
/**
* The allowed amount to stretch the top or bottom end of the overall bin range in order to reach
* 'nicer' inward extreme values.
*
* <p>This is currently defined as the ideal bin width (range / binCount) X 1/2, rounded up.
*
* @param range The range is expected to be positive.
* @return
*/
protected static BigDecimal getAllowedInwardRangeStretch(BigDecimal range, int binCount) {
BigDecimal allowedRangeStretch =
range.divide(new BigDecimal(2 * binCount), new MathContext(16, RoundingMode.UP));
return allowedRangeStretch;
}
/**
* 전체 실행건수 대비 오류 발생 비율을 계산하여 기준에 따라 감점
*
* @return returnVal 감점 점수
*/
public int getErrExePoint() {
int returnVal = 0;
if (getTotExeCnt() == 0) {
return returnVal;
}
// 전체 실행건수 대비 오류발생 건수 비율을 소수점 2자리까지 표현
BigDecimal errExeCount = new BigDecimal(getErrExeCnt() + ".00");
BigDecimal totExeCount = new BigDecimal(getTotExeCnt() + ".00");
BigDecimal val = errExeCount.divide(totExeCount, 3).multiply(new BigDecimal(100));
if (val.doubleValue() == 0) {
returnVal = 50;
} else if (val.doubleValue() < 0.05) {
returnVal = -10;
} else if (val.doubleValue() < 0.10) {
returnVal = -30;
} else if (val.doubleValue() < 0.15) {
returnVal = -60;
} else if (val.doubleValue() < 0.30) {
returnVal = -100;
} else if (val.doubleValue() < 0.50) {
returnVal = -150;
} else if (val.doubleValue() < 1) {
returnVal = -250;
} else if (val.doubleValue() < 2) {
returnVal = -400;
} else {
returnVal = -600;
}
return returnVal;
}
/**
* Metoda dodająca ocenę
*
* @param id_ksiazka id książki wskazanej przez użytkownika
* @param wartosc wartość oceny jaką wskazał użytkownia (1-5)
* @param login login użytkownika który ocenia książkę.
* @throws UzytkownikException jeśli użytkownik nie istnieje
* @throws OcenaException jeśli ocena JUŻ istnieje
* @throws KsiazkaException jeśli książka została zmodyfikowana podczas oceny (OptimistickLock).
*/
@RolesAllowed("DodanieOceny")
@Override
public void ocenKsiazke(long id_ksiazka, int wartosc, String login)
throws UzytkownikException, OcenaException, KsiazkaException, AutorException {
Ocena ocena = new Ocena();
ocena.setIdKsiazka(ksiazkaFacade.find(id_ksiazka));
ocena.setIdUzytkownik(uzytkownikFacade.findByLogin(login));
ocena.setOcena(wartosc);
ocena.setUlubiona(false);
ocenaFacade.create(ocena);
long suma = 0;
for (Ocena o : ocena.getIdKsiazka().getOcenaList()) {
suma = suma + o.getOcena();
}
ocena
.getIdKsiazka()
.setSredniaOcen(new BigDecimal((double) suma / ocena.getIdKsiazka().getOcenaList().size()));
ksiazkaFacade.edit(ocena.getIdKsiazka());
for (Autor a : ocena.getIdKsiazka().getAutorList()) {
BigDecimal licznik = BigDecimal.ZERO;
BigDecimal mianownik = BigDecimal.ZERO;
for (Ksiazka k : a.getKsiazkaList()) {
if (k.getSredniaOcen() != null) {
mianownik = mianownik.add(BigDecimal.valueOf(1.0 / (k.getIloscAutorow())));
licznik =
licznik.add(
k.getSredniaOcen().multiply(BigDecimal.valueOf(1.0 / k.getIloscAutorow())));
}
}
a.setSrOcena(licznik.divide(mianownik, new MathContext(10)));
autorFacade.edit(a);
}
}
// Gauss-Legendre Algorithm
public static BigDecimal calculatePi() {
BigDecimal a = ONE;
BigDecimal b = ONE.divide(sqrt(TWO, SCALE), SCALE, BigDecimal.ROUND_HALF_UP);
BigDecimal t = new BigDecimal(0.25);
BigDecimal x = ONE;
BigDecimal y;
while (!a.equals(b)) {
y = a;
// a = (a + b)/2
a = a.add(b).divide(TWO, SCALE, BigDecimal.ROUND_HALF_UP);
// b = sqrt(b*y)
b = sqrt(b.multiply(y), SCALE);
// t -= x*((y - a)^2)
t = t.subtract(x.multiply(y.subtract(a).multiply(y.subtract(a))));
// x *= 2
x = x.multiply(TWO);
}
// a + (a+b)/(4)
return a.add(b).multiply(a.add(b)).divide(t.multiply(FOUR), SCALE, BigDecimal.ROUND_HALF_UP);
}
/**
* 전체 실행건수 대비 2000ms 이상 실행 건수 비율을 계산하여 기준에 따라 감점
*
* @return returnVal 감점 점수
*/
public int getLongExePoint() {
int returnVal = 0;
if (getTotExeCnt() == 0) {
return returnVal;
}
// 전체 실행건수 대비 2000ms 이상 실행 건수 비율을 소수점 2자리까지 표현
BigDecimal longExeCount = new BigDecimal(getLongExeCnt() + ".00");
BigDecimal totExeCount = new BigDecimal(getTotExeCnt() + ".00");
BigDecimal val = longExeCount.divide(totExeCount, 3).multiply(new BigDecimal(100));
if (val.doubleValue() == 0) {
returnVal = 50;
} else if (val.doubleValue() < 0.05) {
returnVal = -5;
} else if (val.doubleValue() < 0.10) {
returnVal = -15;
} else if (val.doubleValue() < 0.3) {
returnVal = -30;
} else if (val.doubleValue() < 0.6) {
returnVal = -50;
} else if (val.doubleValue() < 1) {
returnVal = -75;
} else if (val.doubleValue() < 2) {
returnVal = -125;
} else if (val.doubleValue() < 4) {
returnVal = -200;
} else {
returnVal = -300;
}
return returnVal;
}
