List of usage examples for org.apache.commons.lang Validate notNull
public static void notNull(Object object, String message)
Validate an argument, throwing IllegalArgumentException if the argument is null.
Validate.notNull(myObject, "The object must not be null");
From source file:com.opengamma.analytics.financial.model.volatility.smile.function.HestonModelData.java
public HestonModelData(final double[] parameters) { Validate.notNull(parameters, "null parameters"); Validate.isTrue(parameters.length == NUM_PARAMETERS, "number of parameters wrong"); Validate.isTrue(parameters[0] >= 0.0, "kappa must be >= 0"); Validate.isTrue(parameters[1] >= 0.0, "theta must be >= 0"); Validate.isTrue(parameters[2] >= 0.0, "vol0 must be >= 0"); Validate.isTrue(parameters[3] >= 0.0, "omega must be >= 0"); Validate.isTrue(parameters[4] >= -1.0 && parameters[4] <= 1.0, "rho must be >= -1 && <= 1"); _parameters = new double[NUM_PARAMETERS]; System.arraycopy(parameters, 0, _parameters, 0, NUM_PARAMETERS); }
From source file:com.opengamma.analytics.financial.interestrate.InterestRateCurveSensitivityUtils.java
/** * Takes a list of curve sensitivities (i.e. an unordered list of pairs of times and sensitivities) and returns a list order by ascending * time, and with sensitivities that occur at the same time netted (zero net sensitivities are removed) * @param old An unordered list of pairs of times and sensitivities * @param relTol Relative tolerance - if the net divided by gross sensitivity is less than this it is ignored/removed * @param absTol Absolute tolerance - is the net sensitivity is less than this it is ignored/removed * @return A time ordered netted list//from w ww .j ava 2s.c o m */ static final List<DoublesPair> clean(final List<DoublesPair> old, final double relTol, final double absTol) { Validate.notNull(old, "null list"); Validate.isTrue(relTol >= 0.0 && absTol >= 0.0); if (old.size() == 0) { return new ArrayList<DoublesPair>(); } final List<DoublesPair> res = new ArrayList<DoublesPair>(); final DoublesPair[] sort = old.toArray(new DoublesPair[] {}); Arrays.sort(sort, FirstThenSecondDoublesPairComparator.INSTANCE); final DoublesPair pairOld = sort[0]; double tOld = pairOld.first; double sum = pairOld.getSecond(); double scale = Math.abs(sum); double t = tOld; for (int i = 1; i < sort.length; i++) { final DoublesPair pair = sort[i]; t = pair.first; if (t > tOld) { if (Math.abs(sum) > absTol && Math.abs(sum) / scale > relTol) { res.add(new DoublesPair(tOld, sum)); } tOld = t; sum = pair.getSecondDouble(); scale = Math.abs(sum); } else { sum += pair.getSecondDouble(); scale += Math.abs(pair.getSecondDouble()); } } if (Math.abs(sum) > absTol && Math.abs(sum) / scale > relTol) { res.add(new DoublesPair(t, sum)); } return res; }
From source file:com.relicum.ipsum.Reflection.ReflectionUtil.java
/** * Attempts to get the NMS (net.minecraft.server) class with this name. * While this does cross versions, it's important to note that this class * may have been changed or removed.// www. j a va2s. com * * @param name Class Name * @return NMS class, or null if none exists */ public static final Class<?> getNMSClass(String name) { Validate.notNull(name, "name cannot be null!"); if (PACKAGE == null) { // Lazy-load PACKAGE String serverPackage = Bukkit.getServer().getClass().getPackage().getName(); PACKAGE = serverPackage.substring(serverPackage.lastIndexOf('.') + 1); } name = "net.minecraft.server." + PACKAGE + "." + name; try { return Class.forName(name); } catch (Throwable ex) { } return null; }
From source file:com.opengamma.analytics.financial.interestrate.NelsonSiegelSvennsonBondCurveModel.java
public ParameterizedFunction<Double, DoubleMatrix1D, Double> getParameterizedFunction() { return new ParameterizedFunction<Double, DoubleMatrix1D, Double>() { @Override//from w ww . ja v a2 s .c o m public Double evaluate(final Double t, final DoubleMatrix1D parameters) { Validate.notNull(t, "t"); Validate.notNull(parameters, "parameters"); Validate.isTrue(parameters.getNumberOfElements() == 6); final double beta0 = parameters.getEntry(0); final double beta1 = parameters.getEntry(1); final double beta2 = parameters.getEntry(2); final double lambda1 = parameters.getEntry(3); final double beta3 = parameters.getEntry(4); final double lambda2 = parameters.getEntry(5); final double x1 = t / lambda1; final double x2 = (1 - Math.exp(-x1)) / x1; final double x3 = t / lambda2; final double x4 = (1 - Math.exp(-x3)) / x3; return beta0 + beta1 * x2 + beta2 * (x2 - Math.exp(-x1)) + beta3 * (x4 - Math.exp(-x3)); } public Object writeReplace() { return new InvokedSerializedForm(NelsonSiegelSvennsonBondCurveModel.class, "getParameterizedFunction"); } }; }
From source file:com.opengamma.analytics.math.statistics.descriptive.GeometricMeanCalculator.java
/** * @param x The array of data, not null or empty * @return The geometric mean/* w ww . j a v a 2 s . c om*/ */ @Override public Double evaluate(final double[] x) { Validate.notNull(x, "x"); Validate.isTrue(x.length > 0, "x cannot be empty"); final int n = x.length; double mult = x[0]; for (int i = 1; i < n; i++) { mult *= x[i]; } return Math.pow(mult, 1. / n); }
From source file:com.opengamma.financial.analytics.fixedincome.YieldCurveNodeSensitivityDataBundle.java
public YieldCurveNodeSensitivityDataBundle(final Currency currency, final DoubleLabelledMatrix1D labelledMatrix, final String yieldCurveName) { Validate.notNull(labelledMatrix, "labelled matrix array"); Validate.notNull(currency, "currency"); Validate.notNull(yieldCurveName, "yield curve name array"); _labelledMatrix = labelledMatrix;/*from w w w. j a va 2s . c o m*/ _currency = currency; _yieldCurveName = yieldCurveName; }
From source file:com.opengamma.analytics.financial.timeseries.analysis.DoubleTimeSeriesStatisticsCalculator.java
@Override public Double evaluate(final DoubleTimeSeries<?>... x) { Validate.notNull(x, "x"); Validate.isTrue(x.length > 0);//from w ww. j av a2 s. c om ArgumentChecker.noNulls(x, "x"); final int n = x.length; final double[][] arrays = new double[n][]; for (int i = 0; i < n; i++) { arrays[i] = x[i].valuesArrayFast(); } return _statistic.evaluate(arrays); }
From source file:com.opengamma.analytics.financial.var.parametric.DeltaGammaCovarianceMatrixMeanCalculator.java
public DeltaGammaCovarianceMatrixMeanCalculator(final MatrixAlgebra algebra) { Validate.notNull(algebra, "algebra"); _algebra = algebra; }
From source file:com.opengamma.financial.analytics.conversion.SimpleFutureConverter.java
@Override public SimpleInstrumentDefinition<?> visitFXFutureSecurity(final FXFutureSecurity security) { Validate.notNull(security, "security"); final ZonedDateTime expiry = security.getExpiry().getExpiry(); final double referencePrice = 0; return new SimpleFXFutureDefinition(expiry, expiry, referencePrice, security.getNumerator(), security.getDenominator(), security.getUnitAmount()); }
From source file:com.opengamma.analytics.financial.model.finitedifference.SecondDerivativeBoundaryCondition2D.java
public SecondDerivativeBoundaryCondition2D(final Surface<Double, Double, Double> boundarySecondDeriviative, double boundaryLevel) { Validate.notNull(boundarySecondDeriviative, "boundaryValue "); _f = boundarySecondDeriviative;/*from ww w . jav a 2 s .co m*/ _level = boundaryLevel; }