assertTrue(RangeRow_FAILED, Closeness.isClose(array.accumulate(), 1.0));
array = mA.rangeRow(0, 0, 2);
// System.out.println(array.toString());
assertTrue(RangeRow_FAILED, array.size()==2);
assertTrue(RangeRow_FAILED, Closeness.isClose(array.accumulate(), 1.9));
array = mA.rangeRow(0, 0, 3);
// System.out.println(array.toString());
assertTrue(RangeRow_FAILED, array.size()==3);
assertTrue(RangeRow_FAILED, Closeness.isClose(array.accumulate(), 2.6));