/**
* Returns a copy of a portion of a big array.
*
* @param array a big array.
* @param offset the first element to copy.
* @param length the number of elements to copy.
* @return a new big array containing <code>length</code> elements of <code>array</code> starting
* at <code>offset</code>.
*/
public static boolean[][] copy(final boolean[][] array, final long offset, final long length) {
ensureOffsetLength(array, offset, length);
final boolean[][] a = newBigArray(length);
copy(array, offset, a, 0, length);
return a;
}
