/**
* create matroid with matrix a as element repeated for rows and cols
*
* @param a
* @param rows
* @param cols
* @return
*/
public static int[][] repmat(int[][] a, int rows, int cols) {
int[][] b = (int[][]) ArrayUtils.copy(a);
for (int i = 0; i < cols; i++) {
b = concat(b, a, false);
}
int[][] c = (int[][]) ArrayUtils.copy(b);
for (int i = 0; i < rows; i++) {
c = concat(c, b, true);
}
return c;
}
@Test
public void testCopy() {
String[] from = {"Lorem", "ipsum", "dolor", "sit"};
String[] to = new String[from.length];
ArrayUtils.copy(from, to);
// We should have two different objects
assertFalse(from == to);
assertArrayEquals(from, to);
}
