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

Package org.apache.commons.math3.exception

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

org.apache.commons.math3.exception.NullArgumentException
All conditions checks that fail due to a {@code null} argument must throwthis exception. This class is meant to signal a precondition violation ("null is an illegal argument") and so does not extend the standard {@code NullPointerException}. Propagation of {@code NullPointerException} from within Commons-Math isconstrued to be a bug. @since 2.2

     */
    public static <T extends FieldElement<T>> FieldMatrix<T> createFieldMatrix(T[][] data)
        throws DimensionMismatchException, NoDataException, NullArgumentException {
        if (data == null ||
            data[0] == null) {
            throw new NullArgumentException();
        }
        return (data.length * data[0].length <= 4096) ?
                new Array2DRowFieldMatrix<T>(data) : new BlockFieldMatrix<T>(data);
    }

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     * @throws NullArgumentException if {@code data} is {@code null}.
     */
    public static RealVector createRealVector(double[] data)
        throws NoDataException, NullArgumentException {
        if (data == null) {
            throw new NullArgumentException();
        }
        return new ArrayRealVector(data, true);
    }

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     * @throws ZeroException if {@code data} has 0 elements
     */
    public static <T extends FieldElement<T>> FieldVector<T> createFieldVector(final T[] data)
        throws NoDataException, NullArgumentException, ZeroException {
        if (data == null) {
            throw new NullArgumentException();
        }
        if (data.length == 0) {
            throw new ZeroException(LocalizedFormats.VECTOR_MUST_HAVE_AT_LEAST_ONE_ELEMENT);
        }
        return new ArrayFieldVector<T>(data[0].getField(), data, true);

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     * @throws NullArgumentException if {@code rowData} is {@code null}.
     */
    public static RealMatrix createRowRealMatrix(double[] rowData)
        throws NoDataException, NullArgumentException {
        if (rowData == null) {
            throw new NullArgumentException();
        }
        final int nCols = rowData.length;
        final RealMatrix m = createRealMatrix(1, nCols);
        for (int i = 0; i < nCols; ++i) {
            m.setEntry(0, i, rowData[i]);

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     */
    public static <T extends FieldElement<T>> FieldMatrix<T>
        createRowFieldMatrix(final T[] rowData)
        throws NoDataException, NullArgumentException {
        if (rowData == null) {
            throw new NullArgumentException();
        }
        final int nCols = rowData.length;
        if (nCols == 0) {
            throw new NoDataException(LocalizedFormats.AT_LEAST_ONE_COLUMN);
        }

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     * @throws NullArgumentException if {@code columnData} is {@code null}.
     */
    public static RealMatrix createColumnRealMatrix(double[] columnData)
        throws NoDataException, NullArgumentException {
        if (columnData == null) {
            throw new NullArgumentException();
        }
        final int nRows = columnData.length;
        final RealMatrix m = createRealMatrix(nRows, 1);
        for (int i = 0; i < nRows; ++i) {
            m.setEntry(i, 0, columnData[i]);

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     */
    public static <T extends FieldElement<T>> FieldMatrix<T>
        createColumnFieldMatrix(final T[] columnData)
        throws NoDataException, NullArgumentException {
        if (columnData == null) {
            throw new NullArgumentException();
        }
        final int nRows = columnData.length;
        if (nRows == 0) {
            throw new NoDataException(LocalizedFormats.AT_LEAST_ONE_ROW);
        }

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    public static void checkSubMatrixIndex(final AnyMatrix m,
                                           final int[] selectedRows,
                                           final int[] selectedColumns)
        throws NoDataException, NullArgumentException, OutOfRangeException {
        if (selectedRows == null) {
            throw new NullArgumentException();
        }
        if (selectedColumns == null) {
            throw new NullArgumentException();
        }
        if (selectedRows.length == 0) {
            throw new NoDataException(LocalizedFormats.EMPTY_SELECTED_ROW_INDEX_ARRAY);
        }
        if (selectedColumns.length == 0) {

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     * @throws NoDataException if the array is empty.
     */
    protected static <T extends FieldElement<T>> Field<T> extractField(final T[][] d)
        throws NoDataException, NullArgumentException {
        if (d == null) {
            throw new NullArgumentException();
        }
        if (d.length == 0) {
            throw new NoDataException(LocalizedFormats.AT_LEAST_ONE_ROW);
        }
        if (d[0].length == 0) {

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    public void setSubMatrix(final T[][] subMatrix, final int row,
                             final int column)
        throws DimensionMismatchException, OutOfRangeException,
        NoDataException, NullArgumentException {
        if (subMatrix == null) {
            throw new NullArgumentException();
        }
        final int nRows = subMatrix.length;
        if (nRows == 0) {
            throw new NoDataException(LocalizedFormats.AT_LEAST_ONE_ROW);
        }

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