@Test
public void indexToCoor() {

	Dummy tensor = new Dummy();
	tensor.reshape(10,5,6);
	int index = tensor.idx(3,4,1);
	int[] found = tensor.indexToCoor(index,null);
	assertEquals(3,found.length);
	assertEquals(3,found[0]);
	assertEquals(4,found[1]);
	assertEquals(1,found[2]);
}