Example usage for org.apache.commons.math3.linear AbstractFieldMatrix AbstractFieldMatrix

Introduction

In this page you can find the example usage for org.apache.commons.math3.linear AbstractFieldMatrix AbstractFieldMatrix.

Prototype

protected AbstractFieldMatrix() 

Source Link

Document

Constructor for use with Serializable

Usage

From source file:org.briljantframework.array.Matrices.java

/**
 * View the array as a {@link FieldMatrix}.
 *
 * @param array the array/*www. j a  va 2 s .  com*/
 * @param <T> the field
 * @return a field matrix view
 */
public static <T extends FieldElement<T>> FieldMatrix<T> asFieldMatrix(Array<T> array) {
    Check.argument(array.isMatrix(), CAN_ONLY_VIEW_2D_ARRAYS);
    return new AbstractFieldMatrix<T>() {
        @Override
        public FieldMatrix<T> createMatrix(int rowDimension, int columnDimension)
                throws NotStrictlyPositiveException {
            return asFieldMatrix(array.newEmptyArray(rowDimension, columnDimension));
        }

        @Override
        public FieldMatrix<T> copy() {
            return asFieldMatrix(array.copy());
        }

        @Override
        public T getEntry(int row, int column) throws OutOfRangeException {
            return array.get(row, column);
        }

        @Override
        public void setEntry(int row, int column, T value) throws OutOfRangeException {
            array.set(row, column, value);
        }

        @Override
        public void addToEntry(int row, int column, T increment) throws OutOfRangeException {
            array.set(row, column, array.get(row, column).add(increment));
        }

        @Override
        public void multiplyEntry(int row, int column, T factor) throws OutOfRangeException {
            array.set(row, column, array.get(row, column).multiply(factor));
        }

        @Override
        public int getRowDimension() {
            return array.rows();
        }

        @Override
        public int getColumnDimension() {
            return array.columns();
        }
    };
}

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