Examples of ZeroException

org.apache.commons.math.exception.ZeroException
Exception to be thrown when zero is provided where it is not allowed. @since 2.2 @version $Revision: 983921 $ $Date: 2010-08-10 12:46:06 +0200 (mar. 10 août 2010) $
org.apache.commons.math3.exception.ZeroException
Exception to be thrown when zero is provided where it is not allowed. @since 2.2

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

            new BufferedReader(new InputStreamReader(url.openStream(), charset));
        try {
            DataAdapter da = new StreamDataAdapter(in);
            da.computeStats();
            if (sampleStats.getN() == 0) {
                throw new ZeroException(LocalizedFormats.URL_CONTAINS_NO_DATA, url);
            }
            // new adapter for the second pass
            in = new BufferedReader(new InputStreamReader(url.openStream(), charset));
            fillBinStats(new StreamDataAdapter(in));
            loaded = true;

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

     */
    public Quaternion normalize() {
        final double norm = getNorm();


        if (norm < Precision.SAFE_MIN) {
            throw new ZeroException(LocalizedFormats.NORM, norm);
        }


        return new Quaternion(q0 / norm,
                              q1 / norm,
                              q2 / norm,

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

     * @throws ZeroException if the norm (squared) of the quaternion is zero.
     */
    public Quaternion getInverse() {
        final double squareNorm = q0 * q0 + q1 * q1 + q2 * q2 + q3 * q3;
        if (squareNorm < Precision.SAFE_MIN) {
            throw new ZeroException(LocalizedFormats.NORM, squareNorm);
        }


        return new Quaternion(q0 / squareNorm,
                              -q1 / squareNorm,
                              -q2 / squareNorm,

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

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

                                       int startIdx,
                                       int idxStep,
                                       double y)
            throws OutOfRangeException {
            if (idxStep == 0) {
                throw new ZeroException();
            }
            final WeightedObservedPoint[] twoPoints
                = getInterpolationPointsForY(points, startIdx, idxStep, y);
            final WeightedObservedPoint p1 = twoPoints[0];
            final WeightedObservedPoint p2 = twoPoints[1];

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

                                                                   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) {
                final WeightedObservedPoint p1 = points[i];

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

                final int last = observations.length - 1;
                // Range of the observations, assuming that the
                // observations are sorted.
                final double xRange = observations[last].getX() - observations[0].getX();
                if (xRange == 0) {
                    throw new ZeroException();
                }
                aOmega[1] = 2 * Math.PI / xRange;


                double yMin = Double.POSITIVE_INFINITY;
                double yMax = Double.NEGATIVE_INFINITY;

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

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

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

            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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