How to use

getElements

method

in

org.apache.sis.referencing.operation.matrix.Matrix2

/**
 * Returns all matrix elements in a flat, row-major (column indices vary fastest) array.
 * The array length is 4.
 *
 * @return {@inheritDoc}
 */
@Override
public final double[] getElements() {
  final double[] elements = new double[SIZE*SIZE];
  getElements(elements);
  return elements;
}

/**
 * Returns all matrix elements in a flat, row-major (column indices vary fastest) array.
 * The array length is 4.
 *
 * @return {@inheritDoc}
 */
@Override
public final double[] getElements() {
  final double[] elements = new double[SIZE*SIZE];
  getElements(elements);
  return elements;
}

/**
 * Tests the {@link Matrix2#Matrix2(double, double, double, double)} constructor.
 * This constructor is specific to the implementation class.
 */
@Test
public void testConstructor() {
  initialize(-8453835559080304420L);
  final double[] elements = createRandomPositiveValues(SIZE * SIZE);
  final Matrix2 matrix = new Matrix2(
      elements[0],
      elements[1],
      elements[2],
      elements[3]);
  validate(matrix);
  assertArrayEquals(elements, matrix.getElements(), STRICT);
}