getRow method

Vector2 getRow (int row)

Gets the row of the matrix

Implementation 

Vector2 getRow(int row) {
  final Vector2 r = new Vector2.zero();
  final Float64List rStorage = r._v2storage;
  rStorage[0] = _m2storage[index(row, 0)];
  rStorage[1] = _m2storage[index(row, 1)];
  return r;
}