Package org.jblas.exceptions

Examples of org.jblas.exceptions.SizeException

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    }

    /** Throws SizeException unless two matrices have the same size. */
    public void assertSameSize(FloatMatrix a) {
        if (!sameSize(a)) {
            throw new SizeException("Matrices must have the same size.");
        }
    }
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    }

    /** Throws SizeException unless matrices can be multiplied with one another. */
    public void assertMultipliesWith(FloatMatrix a) {
        if (!multipliesWith(a)) {
            throw new SizeException("Number of columns of left matrix must be equal to number of rows of right matrix.");
        }
    }
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    }

    /** Throws SizeException unless matrices have the same length. */
    public void assertSameLength(FloatMatrix a) {
        if (!sameLength(a)) {
            throw new SizeException("Matrices must have same length (is: " + length + " and " + a.length + ")");
        }
    }
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    }

    /** Throw SizeException unless matrix is square. */
    public void assertSquare() {
        if (!isSquare()) {
            throw new SizeException("Matrix must be square!");
        }
    }
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     * resizing result is tried, which fails if result == this or result == other.
     */
    private void ensureResultLength(FloatMatrix other, FloatMatrix result) {
        if (!sameLength(result)) {
            if (result == this || result == other) {
                throw new SizeException("Cannot resize result matrix because it is used in-place.");
            }
            result.resize(rows, columns);
        }
    }
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     * Concatenates two matrices horizontally. Matrices must have identical
     * numbers of rows.
     */
    public static DoubleMatrix concatHorizontally(DoubleMatrix A, DoubleMatrix B) {
        if (A.rows != B.rows) {
            throw new SizeException("Matrices don't have same number of rows.");
        }

        DoubleMatrix result = new DoubleMatrix(A.rows, A.columns + B.columns);
        SimpleBlas.copy(A, result);
        JavaBlas.rcopy(B.length, B.data, 0, 1, result.data, A.length, 1);
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     * Concatenates two matrices vertically. Matrices must have identical
     * numbers of columns.
     */
    public static DoubleMatrix concatVertically(DoubleMatrix A, DoubleMatrix B) {
        if (A.columns != B.columns) {
            throw new SizeException("Matrices don't have same number of columns (" + A.columns + " != " + B.columns + ".");
        }

        DoubleMatrix result = new DoubleMatrix(A.rows + B.rows, A.columns);

        for (int i = 0; i < A.columns; i++) {
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    }

    public DoubleMatrix getRows(Range indices, DoubleMatrix result) {
        indices.init(0, rows);
        if (result.rows < indices.length()) {
            throw new SizeException("Result matrix does not have enough rows (" + result.rows + " < " + indices.length() + ")");
        }
        result.checkColumns(columns);

      indices.init(0, rows);
      for (int r = 0; indices.hasMore(); indices.next(), r++) {
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    /** Get whole columns as specified by Range. */
    public DoubleMatrix getColumns(Range indices, DoubleMatrix result) {
        indices.init(0, columns);
        if (result.columns < indices.length()) {
            throw new SizeException("Result matrix does not have enough columns (" + result.columns + " < " + indices.length() + ")");
        }
        result.checkRows(rows);

        indices.init(0, columns);
        for (int c = 0; indices.hasMore(); indices.next(), c++) {
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     * Assert that the matrix has a certain length.
     * @throws SizeException
     */
    public void checkLength(int l) {
        if (length != l) {
            throw new SizeException("Matrix does not have the necessary length (" + length + " != " + l + ").");
        }
    }
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Related Classes of org.jblas.exceptions.SizeException

  • org.jblas.ComplexDoubleMatrix
  • org.jblas.ComplexFloatMatrix
  • org.jblas.DoubleMatrix
  • org.jblas.FloatMatrix
  • scalaSci.jcublas.FloatMatrix
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