Package org.apache.commons.math3.exception

Examples of org.apache.commons.math3.exception.ZeroException

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         */
        private double interpolateXAtY(WeightedObservedPoint[] points,
                                       int startIdx, int idxStep, double y)
            throws OutOfRangeException {
            if (idxStep == 0) {
                throw new ZeroException();
            }
            WeightedObservedPoint[] twoPoints = getInterpolationPointsForY(points, startIdx, idxStep, y);
            WeightedObservedPoint pointA = twoPoints[0];
            WeightedObservedPoint pointB = twoPoints[1];
            if (pointA.getY() == y) {
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         */
        private WeightedObservedPoint[] getInterpolationPointsForY(WeightedObservedPoint[] points,
                                                                   int startIdx, int idxStep, double y)
            throws OutOfRangeException {
            if (idxStep == 0) {
                throw new ZeroException();
            }
            for (int i = startIdx;
                 (idxStep < 0) ? (i + idxStep >= 0) : (i + idxStep < points.length);
                 i += idxStep) {
                if (isBetween(y, points[i].getY(), points[i + idxStep].getY())) {
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     * @throws ZeroException if {@code n = 0}
     */
    public synchronized void computeRoots(int n) throws ZeroException {

        if (n == 0) {
            throw new ZeroException(
                    LocalizedFormats.CANNOT_COMPUTE_0TH_ROOT_OF_UNITY);
        }

        isCounterClockWise = n > 0;

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    protected AbstractSimplex(final double[] steps) {
        if (steps == null) {
            throw new NullArgumentException();
        }
        if (steps.length == 0) {
            throw new ZeroException();
        }
        dimension = steps.length;

        // Only the relative position of the n final vertices with respect
        // to the first one are stored.
        startConfiguration = new double[dimension][dimension];
        for (int i = 0; i < dimension; i++) {
            final double[] vertexI = startConfiguration[i];
            for (int j = 0; j < i + 1; j++) {
                if (steps[j] == 0) {
                    throw new ZeroException(LocalizedFormats.EQUAL_VERTICES_IN_SIMPLEX);
                }
                System.arraycopy(steps, 0, vertexI, 0, j + 1);
            }
        }
    }
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        }
        try {
            field = d[0].getField();
            data = d.clone();
        } catch (ArrayIndexOutOfBoundsException e) {
            throw new ZeroException(LocalizedFormats.VECTOR_MUST_HAVE_AT_LEAST_ONE_ELEMENT);
        }
    }
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    public ArrayFieldVector(T[] d, boolean copyArray) {
        if (d == null) {
            throw new NullArgumentException();
        }
        if (d.length == 0) {
            throw new ZeroException(LocalizedFormats.VECTOR_MUST_HAVE_AT_LEAST_ONE_ELEMENT);
        }
        field = d[0].getField();
        data = copyArray ? d.clone() :  d;
    }
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        if (v1 == null ||
            v2 == null) {
            throw new NullArgumentException();
        }
        if (v1.length + v2.length == 0) {
            throw new ZeroException(LocalizedFormats.VECTOR_MUST_HAVE_AT_LEAST_ONE_ELEMENT);
        }
        data = buildArray(v1.length + v2.length);
        System.arraycopy(v1, 0, data, 0, v1.length);
        System.arraycopy(v2, 0, data, v1.length, v2.length);
        field = data[0].getField();
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     * @throws ZeroException if both arrays are empty.
     * @see #ArrayFieldVector(FieldElement[], FieldElement[])
     */
    public ArrayFieldVector(Field<T> field, T[] v1, T[] v2) {
        if (v1.length + v2.length == 0) {
            throw new ZeroException(LocalizedFormats.VECTOR_MUST_HAVE_AT_LEAST_ONE_ELEMENT);
        }
        data = buildArray(v1.length + v2.length);
        System.arraycopy(v1, 0, data, 0, v1.length);
        System.arraycopy(v2, 0, data, v1.length, v2.length);
        this.field = field;
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            countSum1 += observed1[i];
            countSum2 += observed2[i];
        }
        // Ensure neither sample is uniformly 0
        if (countSum1 == 0 || countSum2 == 0) {
            throw new ZeroException();
        }
        // Compare and compute weight only if different
        unequalCounts = countSum1 != countSum2;
        if (unequalCounts) {
            weight = FastMath.sqrt((double) countSum1 / (double) countSum2);
        }
        // Compute ChiSquare statistic
        double sumSq = 0.0d;
        double dev = 0.0d;
        double obs1 = 0.0d;
        double obs2 = 0.0d;
        for (int i = 0; i < observed1.length; i++) {
            if (observed1[i] == 0 && observed2[i] == 0) {
                throw new ZeroException(LocalizedFormats.OBSERVED_COUNTS_BOTTH_ZERO_FOR_ENTRY, i);
            } else {
                obs1 = observed1[i];
                obs2 = observed2[i];
                if (unequalCounts) { // apply weights
                    dev = obs1/weight - obs2 * weight;
 
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     */
    public BigFraction(BigInteger num, BigInteger den) {
        MathUtils.checkNotNull(num, LocalizedFormats.NUMERATOR);
        MathUtils.checkNotNull(den, LocalizedFormats.DENOMINATOR);
        if (BigInteger.ZERO.equals(den)) {
            throw new ZeroException(LocalizedFormats.ZERO_DENOMINATOR);
        }
        if (BigInteger.ZERO.equals(num)) {
            numerator   = BigInteger.ZERO;
            denominator = BigInteger.ONE;
        } else {
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Related Classes of org.apache.commons.math3.exception.ZeroException

  • org.apache.commons.math3.analysis.differentiation.DerivativeStructure
  • org.apache.commons.math3.analysis.differentiation.MultivariateDifferentiableVectorFunction
  • org.apache.commons.math3.analysis.function.HarmonicOscillator
  • org.apache.commons.math3.analysis.function.Sin
  • org.apache.commons.math3.analysis.function.Sinc
  • org.apache.commons.math3.analysis.interpolation.FieldHermiteInterpolator
  • org.apache.commons.math3.analysis.interpolation.HermiteInterpolator
  • org.apache.commons.math3.analysis.MultivariateFunction
  • org.apache.commons.math3.analysis.QuinticFunction
  • org.apache.commons.math3.analysis.solvers.BrentSolver
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