assertTrue(mmt.isSameShape(m));
}
@Test public void testBigZeros() {
AMatrix m=ZeroMatrix.create(2000000, 2000000);
m=m.sparseClone();
assertTrue("Not fully sparse:" +m.getClass(), m.isFullyMutable());
m.set(3,4,7.0);
assertEquals(1,m.nonZeroCount());
}